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d29fbcdb | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
0a8165d7 | 2 | /* |
39a53e0c JK |
3 | * fs/f2fs/f2fs.h |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
39a53e0c JK |
7 | */ |
8 | #ifndef _LINUX_F2FS_H | |
9 | #define _LINUX_F2FS_H | |
10 | ||
f847c699 | 11 | #include <linux/uio.h> |
39a53e0c JK |
12 | #include <linux/types.h> |
13 | #include <linux/page-flags.h> | |
14 | #include <linux/buffer_head.h> | |
39a53e0c JK |
15 | #include <linux/slab.h> |
16 | #include <linux/crc32.h> | |
17 | #include <linux/magic.h> | |
c2d715d1 | 18 | #include <linux/kobject.h> |
7bd59381 | 19 | #include <linux/sched.h> |
7c2e5963 | 20 | #include <linux/cred.h> |
df808180 | 21 | #include <linux/sched/mm.h> |
39307a8e | 22 | #include <linux/vmalloc.h> |
740432f8 | 23 | #include <linux/bio.h> |
d0239e1b | 24 | #include <linux/blkdev.h> |
0abd675e | 25 | #include <linux/quotaops.h> |
c6a564ff | 26 | #include <linux/part_stat.h> |
43b6573b | 27 | #include <crypto/hash.h> |
39a53e0c | 28 | |
734f0d24 | 29 | #include <linux/fscrypt.h> |
95ae251f | 30 | #include <linux/fsverity.h> |
734f0d24 | 31 | |
51dcbdac MWO |
32 | struct pagevec; |
33 | ||
5d56b671 | 34 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 35 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 36 | #else |
9850cf4a JK |
37 | #define f2fs_bug_on(sbi, condition) \ |
38 | do { \ | |
db489652 | 39 | if (WARN_ON(condition)) \ |
caf0047e | 40 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a | 41 | } while (0) |
5d56b671 JK |
42 | #endif |
43 | ||
2c63fead JK |
44 | enum { |
45 | FAULT_KMALLOC, | |
628b3d14 | 46 | FAULT_KVMALLOC, |
c41f3cc3 | 47 | FAULT_PAGE_ALLOC, |
01eccef7 | 48 | FAULT_PAGE_GET, |
b96d9b3b | 49 | FAULT_ALLOC_BIO, /* it's obsolete due to bio_alloc() will never fail */ |
cb78942b JK |
50 | FAULT_ALLOC_NID, |
51 | FAULT_ORPHAN, | |
52 | FAULT_BLOCK, | |
53 | FAULT_DIR_DEPTH, | |
53aa6bbf | 54 | FAULT_EVICT_INODE, |
14b44d23 | 55 | FAULT_TRUNCATE, |
6f5c2ed0 | 56 | FAULT_READ_IO, |
0f348028 | 57 | FAULT_CHECKPOINT, |
b83dcfe6 | 58 | FAULT_DISCARD, |
6f5c2ed0 | 59 | FAULT_WRITE_IO, |
32410577 | 60 | FAULT_SLAB_ALLOC, |
10a26878 | 61 | FAULT_DQUOT_INIT, |
3e020389 | 62 | FAULT_LOCK_OP, |
2c63fead JK |
63 | FAULT_MAX, |
64 | }; | |
65 | ||
7fa750a1 | 66 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
67 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
68 | ||
08796897 SY |
69 | struct f2fs_fault_info { |
70 | atomic_t inject_ops; | |
71 | unsigned int inject_rate; | |
72 | unsigned int inject_type; | |
73 | }; | |
74 | ||
19880e6e | 75 | extern const char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 76 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
77 | #endif |
78 | ||
39a53e0c JK |
79 | /* |
80 | * For mount options | |
81 | */ | |
39a53e0c JK |
82 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 |
83 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
84 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
85 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
86 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
87 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 88 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 89 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
90 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
91 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
92 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 93 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 94 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
343f40f0 | 95 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 96 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
0abd675e CY |
97 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
98 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 99 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 100 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 101 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 102 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
4354994f | 103 | #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000 |
a9117eca | 104 | #define F2FS_MOUNT_NORECOVERY 0x04000000 |
093749e2 | 105 | #define F2FS_MOUNT_ATGC 0x08000000 |
261eeb9c | 106 | #define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000 |
5911d2d1 | 107 | #define F2FS_MOUNT_GC_MERGE 0x20000000 |
6ce19aff | 108 | #define F2FS_MOUNT_COMPRESS_CACHE 0x40000000 |
39a53e0c | 109 | |
63189b78 CY |
110 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
111 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
112 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
113 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
114 | |
115 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
116 | typecheck(unsigned long long, b) && \ | |
117 | ((long long)((a) - (b)) > 0)) | |
118 | ||
a9841c4d JK |
119 | typedef u32 block_t; /* |
120 | * should not change u32, since it is the on-disk block | |
121 | * address format, __le32. | |
122 | */ | |
39a53e0c JK |
123 | typedef u32 nid_t; |
124 | ||
4c8ff709 CY |
125 | #define COMPRESS_EXT_NUM 16 |
126 | ||
e4544b63 TM |
127 | /* |
128 | * An implementation of an rwsem that is explicitly unfair to readers. This | |
129 | * prevents priority inversion when a low-priority reader acquires the read lock | |
130 | * while sleeping on the write lock but the write lock is needed by | |
131 | * higher-priority clients. | |
132 | */ | |
133 | ||
134 | struct f2fs_rwsem { | |
135 | struct rw_semaphore internal_rwsem; | |
7f8e249d | 136 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 137 | wait_queue_head_t read_waiters; |
7f8e249d | 138 | #endif |
e4544b63 TM |
139 | }; |
140 | ||
39a53e0c | 141 | struct f2fs_mount_info { |
63189b78 CY |
142 | unsigned int opt; |
143 | int write_io_size_bits; /* Write IO size bits */ | |
144 | block_t root_reserved_blocks; /* root reserved blocks */ | |
145 | kuid_t s_resuid; /* reserved blocks for uid */ | |
146 | kgid_t s_resgid; /* reserved blocks for gid */ | |
147 | int active_logs; /* # of active logs */ | |
148 | int inline_xattr_size; /* inline xattr size */ | |
149 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
150 | struct f2fs_fault_info fault_info; /* For fault injection */ | |
151 | #endif | |
152 | #ifdef CONFIG_QUOTA | |
153 | /* Names of quota files with journalled quota */ | |
154 | char *s_qf_names[MAXQUOTAS]; | |
155 | int s_jquota_fmt; /* Format of quota to use */ | |
156 | #endif | |
157 | /* For which write hints are passed down to block layer */ | |
63189b78 CY |
158 | int alloc_mode; /* segment allocation policy */ |
159 | int fsync_mode; /* fsync policy */ | |
b0332a0f | 160 | int fs_mode; /* fs mode: LFS or ADAPTIVE */ |
bbbc34fd | 161 | int bggc_mode; /* bggc mode: off, on or sync */ |
7a8fc586 | 162 | int memory_mode; /* memory mode */ |
4f993264 CY |
163 | int discard_unit; /* |
164 | * discard command's offset/size should | |
165 | * be aligned to this unit: block, | |
166 | * segment or section | |
167 | */ | |
ac4acb1f | 168 | struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */ |
1ae18f71 | 169 | block_t unusable_cap_perc; /* percentage for cap */ |
4d3aed70 DR |
170 | block_t unusable_cap; /* Amount of space allowed to be |
171 | * unusable when disabling checkpoint | |
172 | */ | |
4c8ff709 CY |
173 | |
174 | /* For compression */ | |
175 | unsigned char compress_algorithm; /* algorithm type */ | |
b28f047b | 176 | unsigned char compress_log_size; /* cluster log size */ |
3fde13f8 | 177 | unsigned char compress_level; /* compress level */ |
b28f047b | 178 | bool compress_chksum; /* compressed data chksum */ |
4c8ff709 | 179 | unsigned char compress_ext_cnt; /* extension count */ |
151b1982 | 180 | unsigned char nocompress_ext_cnt; /* nocompress extension count */ |
602a16d5 | 181 | int compress_mode; /* compression mode */ |
4c8ff709 | 182 | unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ |
151b1982 | 183 | unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ |
39a53e0c JK |
184 | }; |
185 | ||
7a2af766 CY |
186 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
187 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
188 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
189 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 190 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 191 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 192 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 193 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 194 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 195 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
95ae251f | 196 | #define F2FS_FEATURE_VERITY 0x0400 |
d440c52d | 197 | #define F2FS_FEATURE_SB_CHKSUM 0x0800 |
5aba5430 | 198 | #define F2FS_FEATURE_CASEFOLD 0x1000 |
4c8ff709 | 199 | #define F2FS_FEATURE_COMPRESSION 0x2000 |
a7d9fe3c | 200 | #define F2FS_FEATURE_RO 0x4000 |
cde4de12 | 201 | |
7beb01f7 CY |
202 | #define __F2FS_HAS_FEATURE(raw_super, mask) \ |
203 | ((raw_super->feature & cpu_to_le32(mask)) != 0) | |
204 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) | |
205 | #define F2FS_SET_FEATURE(sbi, mask) \ | |
206 | (sbi->raw_super->feature |= cpu_to_le32(mask)) | |
207 | #define F2FS_CLEAR_FEATURE(sbi, mask) \ | |
208 | (sbi->raw_super->feature &= ~cpu_to_le32(mask)) | |
76f105a2 | 209 | |
7c2e5963 JK |
210 | /* |
211 | * Default values for user and/or group using reserved blocks | |
212 | */ | |
213 | #define F2FS_DEF_RESUID 0 | |
214 | #define F2FS_DEF_RESGID 0 | |
215 | ||
39a53e0c JK |
216 | /* |
217 | * For checkpoint manager | |
218 | */ | |
219 | enum { | |
220 | NAT_BITMAP, | |
221 | SIT_BITMAP | |
222 | }; | |
223 | ||
c473f1a9 CY |
224 | #define CP_UMOUNT 0x00000001 |
225 | #define CP_FASTBOOT 0x00000002 | |
226 | #define CP_SYNC 0x00000004 | |
227 | #define CP_RECOVERY 0x00000008 | |
228 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 229 | #define CP_TRIMMED 0x00000020 |
4354994f | 230 | #define CP_PAUSE 0x00000040 |
b4b10061 | 231 | #define CP_RESIZE 0x00000080 |
75ab4cb8 | 232 | |
ecc9aa00 | 233 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 234 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 235 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 236 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 237 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 238 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 239 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
4354994f | 240 | #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ |
db610a64 | 241 | #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ |
03f2c02d | 242 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ |
bba681cb | 243 | |
75ab4cb8 JK |
244 | struct cp_control { |
245 | int reason; | |
4b2fecc8 JK |
246 | __u64 trim_start; |
247 | __u64 trim_end; | |
248 | __u64 trim_minlen; | |
75ab4cb8 JK |
249 | }; |
250 | ||
662befda | 251 | /* |
e1da7872 | 252 | * indicate meta/data type |
662befda CY |
253 | */ |
254 | enum { | |
255 | META_CP, | |
256 | META_NAT, | |
81c1a0f1 | 257 | META_SIT, |
4c521f49 | 258 | META_SSA, |
b63e7be5 | 259 | META_MAX, |
4c521f49 | 260 | META_POR, |
93770ab7 CY |
261 | DATA_GENERIC, /* check range only */ |
262 | DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ | |
263 | DATA_GENERIC_ENHANCE_READ, /* | |
264 | * strong check on range and segment | |
265 | * bitmap but no warning due to race | |
266 | * condition of read on truncated area | |
267 | * by extent_cache | |
268 | */ | |
e1da7872 | 269 | META_GENERIC, |
662befda CY |
270 | }; |
271 | ||
6451e041 JK |
272 | /* for the list of ino */ |
273 | enum { | |
274 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
275 | APPEND_INO, /* for append ino list */ |
276 | UPDATE_INO, /* for update ino list */ | |
0a007b97 | 277 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
39d787be | 278 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
279 | MAX_INO_ENTRY, /* max. list */ |
280 | }; | |
281 | ||
282 | struct ino_entry { | |
39d787be CY |
283 | struct list_head list; /* list head */ |
284 | nid_t ino; /* inode number */ | |
285 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
286 | }; |
287 | ||
2710fd7e | 288 | /* for the list of inodes to be GCed */ |
06292073 | 289 | struct inode_entry { |
39a53e0c JK |
290 | struct list_head list; /* list head */ |
291 | struct inode *inode; /* vfs inode pointer */ | |
292 | }; | |
293 | ||
50fa53ec CY |
294 | struct fsync_node_entry { |
295 | struct list_head list; /* list head */ | |
296 | struct page *page; /* warm node page pointer */ | |
297 | unsigned int seq_id; /* sequence id */ | |
298 | }; | |
299 | ||
261eeb9c DJ |
300 | struct ckpt_req { |
301 | struct completion wait; /* completion for checkpoint done */ | |
302 | struct llist_node llnode; /* llist_node to be linked in wait queue */ | |
303 | int ret; /* return code of checkpoint */ | |
304 | ktime_t queue_time; /* request queued time */ | |
305 | }; | |
306 | ||
307 | struct ckpt_req_control { | |
308 | struct task_struct *f2fs_issue_ckpt; /* checkpoint task */ | |
e6592066 | 309 | int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */ |
261eeb9c DJ |
310 | wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */ |
311 | atomic_t issued_ckpt; /* # of actually issued ckpts */ | |
312 | atomic_t total_ckpt; /* # of total ckpts */ | |
313 | atomic_t queued_ckpt; /* # of queued ckpts */ | |
314 | struct llist_head issue_list; /* list for command issue */ | |
315 | spinlock_t stat_lock; /* lock for below checkpoint time stats */ | |
316 | unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */ | |
317 | unsigned int peak_time; /* peak wait time in msec until now */ | |
318 | }; | |
319 | ||
a7eeb823 | 320 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
321 | struct discard_entry { |
322 | struct list_head list; /* list head */ | |
a7eeb823 CY |
323 | block_t start_blkaddr; /* start blockaddr of current segment */ |
324 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
325 | }; |
326 | ||
969d1b18 CY |
327 | /* default discard granularity of inner discard thread, unit: block count */ |
328 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
329 | ||
ba48a33e CY |
330 | /* max discard pend list number */ |
331 | #define MAX_PLIST_NUM 512 | |
332 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
2f84babf | 333 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) |
ba48a33e | 334 | |
15469963 | 335 | enum { |
35ec7d57 CY |
336 | D_PREP, /* initial */ |
337 | D_PARTIAL, /* partially submitted */ | |
338 | D_SUBMIT, /* all submitted */ | |
339 | D_DONE, /* finished */ | |
15469963 JK |
340 | }; |
341 | ||
004b6862 CY |
342 | struct discard_info { |
343 | block_t lstart; /* logical start address */ | |
344 | block_t len; /* length */ | |
345 | block_t start; /* actual start address in dev */ | |
346 | }; | |
347 | ||
b01a9201 | 348 | struct discard_cmd { |
004b6862 CY |
349 | struct rb_node rb_node; /* rb node located in rb-tree */ |
350 | union { | |
351 | struct { | |
352 | block_t lstart; /* logical start address */ | |
353 | block_t len; /* length */ | |
354 | block_t start; /* actual start address in dev */ | |
355 | }; | |
356 | struct discard_info di; /* discard info */ | |
357 | ||
358 | }; | |
b01a9201 JK |
359 | struct list_head list; /* command list */ |
360 | struct completion wait; /* compleation */ | |
c81abe34 | 361 | struct block_device *bdev; /* bdev */ |
ec9895ad | 362 | unsigned short ref; /* reference count */ |
9a744b92 | 363 | unsigned char state; /* state */ |
72691af6 | 364 | unsigned char queued; /* queued discard */ |
c81abe34 | 365 | int error; /* bio error */ |
35ec7d57 CY |
366 | spinlock_t lock; /* for state/bio_ref updating */ |
367 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
368 | }; |
369 | ||
78997b56 CY |
370 | enum { |
371 | DPOLICY_BG, | |
372 | DPOLICY_FORCE, | |
373 | DPOLICY_FSTRIM, | |
374 | DPOLICY_UMOUNT, | |
375 | MAX_DPOLICY, | |
376 | }; | |
377 | ||
ecc9aa00 | 378 | struct discard_policy { |
78997b56 | 379 | int type; /* type of discard */ |
ecc9aa00 | 380 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 381 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
382 | unsigned int max_interval; /* used for candidates not exist */ |
383 | unsigned int max_requests; /* # of discards issued per round */ | |
384 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
385 | bool io_aware; /* issue discard in idle time */ | |
386 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 387 | bool ordered; /* issue discard by lba order */ |
6ce48b0c | 388 | bool timeout; /* discard timeout for put_super */ |
78997b56 | 389 | unsigned int granularity; /* discard granularity */ |
ecc9aa00 CY |
390 | }; |
391 | ||
0b54fb84 | 392 | struct discard_cmd_control { |
15469963 | 393 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 394 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 395 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 396 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 397 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 398 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 399 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 400 | struct mutex cmd_lock; |
d618ebaf CY |
401 | unsigned int nr_discards; /* # of discards in the list */ |
402 | unsigned int max_discards; /* max. discards to be issued */ | |
d2d8e896 KV |
403 | unsigned int max_discard_request; /* max. discard request per round */ |
404 | unsigned int min_discard_issue_time; /* min. interval between discard issue */ | |
405 | unsigned int mid_discard_issue_time; /* mid. interval between discard issue */ | |
406 | unsigned int max_discard_issue_time; /* max. interval between discard issue */ | |
969d1b18 | 407 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 408 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 409 | unsigned int next_pos; /* next discard position */ |
8b8dd65f | 410 | atomic_t issued_discard; /* # of issued discard */ |
72691af6 | 411 | atomic_t queued_discard; /* # of queued discard */ |
5f32366a | 412 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
4dada3fd | 413 | struct rb_root_cached root; /* root of discard rb-tree */ |
67fce70b | 414 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
415 | }; |
416 | ||
39a53e0c JK |
417 | /* for the list of fsync inodes, used only during recovery */ |
418 | struct fsync_inode_entry { | |
419 | struct list_head list; /* list head */ | |
420 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
421 | block_t blkaddr; /* block address locating the last fsync */ |
422 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
423 | }; |
424 | ||
68afcf2d TK |
425 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
426 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 427 | |
68afcf2d TK |
428 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
429 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
430 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
431 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 432 | |
dfc08a12 CY |
433 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
434 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 435 | |
dfc08a12 | 436 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 437 | { |
dfc08a12 | 438 | int before = nats_in_cursum(journal); |
cac5a3d8 | 439 | |
dfc08a12 | 440 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
441 | return before; |
442 | } | |
443 | ||
dfc08a12 | 444 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 445 | { |
dfc08a12 | 446 | int before = sits_in_cursum(journal); |
cac5a3d8 | 447 | |
dfc08a12 | 448 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
449 | return before; |
450 | } | |
451 | ||
dfc08a12 CY |
452 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
453 | int size, int type) | |
184a5cd2 CY |
454 | { |
455 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
456 | return size <= MAX_NAT_JENTRIES(journal); |
457 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
458 | } |
459 | ||
f2470371 CY |
460 | /* for inline stuff */ |
461 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 462 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 463 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
464 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
465 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 466 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 467 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
468 | |
469 | /* for inline dir */ | |
470 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
471 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
472 | BITS_PER_BYTE + 1)) | |
f91108b8 GU |
473 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \ |
474 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) | |
f2470371 CY |
475 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
476 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
477 | NR_INLINE_DENTRY(inode) + \ | |
478 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
479 | ||
39a53e0c JK |
480 | /* |
481 | * For INODE and NODE manager | |
482 | */ | |
7b3cd7d6 | 483 | /* for directory operations */ |
43c780ba EB |
484 | |
485 | struct f2fs_filename { | |
486 | /* | |
487 | * The filename the user specified. This is NULL for some | |
488 | * filesystem-internal operations, e.g. converting an inline directory | |
489 | * to a non-inline one, or roll-forward recovering an encrypted dentry. | |
490 | */ | |
491 | const struct qstr *usr_fname; | |
492 | ||
493 | /* | |
494 | * The on-disk filename. For encrypted directories, this is encrypted. | |
495 | * This may be NULL for lookups in an encrypted dir without the key. | |
496 | */ | |
497 | struct fscrypt_str disk_name; | |
498 | ||
499 | /* The dirhash of this filename */ | |
500 | f2fs_hash_t hash; | |
501 | ||
502 | #ifdef CONFIG_FS_ENCRYPTION | |
503 | /* | |
504 | * For lookups in encrypted directories: either the buffer backing | |
505 | * disk_name, or a buffer that holds the decoded no-key name. | |
506 | */ | |
507 | struct fscrypt_str crypto_buf; | |
508 | #endif | |
5298d4bf | 509 | #if IS_ENABLED(CONFIG_UNICODE) |
43c780ba EB |
510 | /* |
511 | * For casefolded directories: the casefolded name, but it's left NULL | |
b5639bb4 EB |
512 | * if the original name is not valid Unicode, if the original name is |
513 | * "." or "..", if the directory is both casefolded and encrypted and | |
514 | * its encryption key is unavailable, or if the filesystem is doing an | |
515 | * internal operation where usr_fname is also NULL. In all these cases | |
516 | * we fall back to treating the name as an opaque byte sequence. | |
43c780ba EB |
517 | */ |
518 | struct fscrypt_str cf_name; | |
519 | #endif | |
520 | }; | |
521 | ||
7b3cd7d6 | 522 | struct f2fs_dentry_ptr { |
d8c6822a | 523 | struct inode *inode; |
76a9dd85 | 524 | void *bitmap; |
7b3cd7d6 JK |
525 | struct f2fs_dir_entry *dentry; |
526 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
527 | int max; | |
76a9dd85 | 528 | int nr_bitmap; |
7b3cd7d6 JK |
529 | }; |
530 | ||
64c24ecb TK |
531 | static inline void make_dentry_ptr_block(struct inode *inode, |
532 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 533 | { |
d8c6822a | 534 | d->inode = inode; |
64c24ecb | 535 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 536 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 537 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
538 | d->dentry = t->dentry; |
539 | d->filename = t->filename; | |
540 | } | |
d8c6822a | 541 | |
64c24ecb | 542 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 543 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 544 | { |
f2470371 CY |
545 | int entry_cnt = NR_INLINE_DENTRY(inode); |
546 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
547 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
548 | ||
64c24ecb | 549 | d->inode = inode; |
f2470371 CY |
550 | d->max = entry_cnt; |
551 | d->nr_bitmap = bitmap_size; | |
552 | d->bitmap = t; | |
553 | d->dentry = t + bitmap_size + reserved_size; | |
554 | d->filename = t + bitmap_size + reserved_size + | |
555 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
556 | } |
557 | ||
dbe6a5ff JK |
558 | /* |
559 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
560 | * as its node offset to distinguish from index node blocks. | |
561 | * But some bits are used to mark the node block. | |
562 | */ | |
563 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
564 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
565 | enum { |
566 | ALLOC_NODE, /* allocate a new node page if needed */ | |
567 | LOOKUP_NODE, /* look up a node without readahead */ | |
568 | LOOKUP_NODE_RA, /* | |
569 | * look up a node with readahead called | |
4f4124d0 | 570 | * by get_data_block. |
39a53e0c | 571 | */ |
266e97a8 JK |
572 | }; |
573 | ||
91803392 | 574 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO or flush count */ |
7735730d | 575 | |
5df7731f CY |
576 | /* congestion wait timeout value, default: 20ms */ |
577 | #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20)) | |
578 | ||
af033b2a CY |
579 | /* maximum retry quota flush count */ |
580 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
581 | ||
a7b8618a JK |
582 | /* maximum retry of EIO'ed page */ |
583 | #define MAX_RETRY_PAGE_EIO 100 | |
50c63009 | 584 | |
a6db67f0 | 585 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 586 | |
817202d9 CY |
587 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
588 | ||
287b1406 CY |
589 | /* dirty segments threshold for triggering CP */ |
590 | #define DEFAULT_DIRTY_THRESHOLD 4 | |
591 | ||
39a53e0c | 592 | /* for in-memory extent cache entry */ |
13054c54 CY |
593 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
594 | ||
595 | /* number of extent info in extent cache we try to shrink */ | |
596 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 597 | |
430f163b CY |
598 | #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS |
599 | #define RECOVERY_MIN_RA_BLOCKS 1 | |
600 | ||
01fc4b9a FC |
601 | #define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */ |
602 | ||
54c2258c CY |
603 | struct rb_entry { |
604 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
2e9b2bb2 CY |
605 | union { |
606 | struct { | |
607 | unsigned int ofs; /* start offset of the entry */ | |
608 | unsigned int len; /* length of the entry */ | |
609 | }; | |
610 | unsigned long long key; /* 64-bits key */ | |
48046cb5 | 611 | } __packed; |
54c2258c CY |
612 | }; |
613 | ||
39a53e0c | 614 | struct extent_info { |
13054c54 | 615 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 616 | unsigned int len; /* length of the extent */ |
54c2258c | 617 | u32 blk; /* start block address of the extent */ |
94afd6d6 CY |
618 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
619 | unsigned int c_len; /* physical extent length of compressed blocks */ | |
620 | #endif | |
13054c54 CY |
621 | }; |
622 | ||
623 | struct extent_node { | |
c0362117 CY |
624 | struct rb_node rb_node; /* rb node located in rb-tree */ |
625 | struct extent_info ei; /* extent info */ | |
13054c54 | 626 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 627 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
628 | }; |
629 | ||
630 | struct extent_tree { | |
631 | nid_t ino; /* inode number */ | |
4dada3fd | 632 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 633 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 634 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 635 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 636 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 637 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 638 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
639 | }; |
640 | ||
003a3e1d JK |
641 | /* |
642 | * This structure is taken from ext4_map_blocks. | |
643 | * | |
644 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
645 | */ | |
646 | #define F2FS_MAP_NEW (1 << BH_New) | |
647 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
648 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
649 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
650 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
651 | |
652 | struct f2fs_map_blocks { | |
71f2c820 | 653 | struct block_device *m_bdev; /* for multi-device dio */ |
003a3e1d JK |
654 | block_t m_pblk; |
655 | block_t m_lblk; | |
656 | unsigned int m_len; | |
657 | unsigned int m_flags; | |
da85985c | 658 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 659 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 660 | int m_seg_type; |
f9d6d059 | 661 | bool m_may_create; /* indicate it is from write path */ |
71f2c820 | 662 | bool m_multidev_dio; /* indicate it allows multi-device dio */ |
003a3e1d JK |
663 | }; |
664 | ||
e2b4e2bc | 665 | /* for flag in get_data_block */ |
f2220c7f QS |
666 | enum { |
667 | F2FS_GET_BLOCK_DEFAULT, | |
668 | F2FS_GET_BLOCK_FIEMAP, | |
669 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 670 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
671 | F2FS_GET_BLOCK_PRE_DIO, |
672 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 673 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 674 | }; |
e2b4e2bc | 675 | |
39a53e0c JK |
676 | /* |
677 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
678 | */ | |
679 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 680 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 681 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 682 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 683 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 684 | #define FADVISE_HOT_BIT 0x20 |
95ae251f | 685 | #define FADVISE_VERITY_BIT 0x40 |
d4dd19ec | 686 | #define FADVISE_TRUNC_BIT 0x80 |
39a53e0c | 687 | |
797c1cb5 CY |
688 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
689 | ||
b5492af7 | 690 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 691 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 692 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) |
1153db09 CY |
693 | |
694 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
695 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
b5492af7 | 696 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) |
1153db09 | 697 | |
cde4de12 JK |
698 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
699 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
1153db09 | 700 | |
e7d55452 JK |
701 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
702 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
1153db09 | 703 | |
26787236 JK |
704 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
705 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
1153db09 | 706 | |
b6a06cbb CY |
707 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
708 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
709 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
1153db09 | 710 | |
95ae251f EB |
711 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) |
712 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) | |
cde4de12 | 713 | |
d4dd19ec JK |
714 | #define file_should_truncate(inode) is_file(inode, FADVISE_TRUNC_BIT) |
715 | #define file_need_truncate(inode) set_file(inode, FADVISE_TRUNC_BIT) | |
716 | #define file_dont_truncate(inode) clear_file(inode, FADVISE_TRUNC_BIT) | |
717 | ||
ab9fa662 JK |
718 | #define DEF_DIR_LEVEL 0 |
719 | ||
2ef79ecb CY |
720 | enum { |
721 | GC_FAILURE_PIN, | |
2ef79ecb CY |
722 | MAX_GC_FAILURE |
723 | }; | |
724 | ||
7653b9d8 CY |
725 | /* used for f2fs_inode_info->flags */ |
726 | enum { | |
727 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
728 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ | |
729 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ | |
730 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ | |
731 | FI_INC_LINK, /* need to increment i_nlink */ | |
732 | FI_ACL_MODE, /* indicate acl mode */ | |
733 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
734 | FI_FREE_NID, /* free allocated nide */ | |
735 | FI_NO_EXTENT, /* not to use the extent cache */ | |
736 | FI_INLINE_XATTR, /* used for inline xattr */ | |
737 | FI_INLINE_DATA, /* used for inline data*/ | |
738 | FI_INLINE_DENTRY, /* used for inline dentry */ | |
739 | FI_APPEND_WRITE, /* inode has appended data */ | |
740 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
741 | FI_NEED_IPU, /* used for ipu per file */ | |
742 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
7653b9d8 CY |
743 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
744 | FI_DROP_CACHE, /* drop dirty page cache */ | |
745 | FI_DATA_EXIST, /* indicate data exists */ | |
746 | FI_INLINE_DOTS, /* indicate inline dot dentries */ | |
1018a546 CY |
747 | FI_SKIP_WRITES, /* should skip data page writeback */ |
748 | FI_OPU_WRITE, /* used for opu per file */ | |
7653b9d8 | 749 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
3d697a4a | 750 | FI_PREALLOCATED_ALL, /* all blocks for write were preallocated */ |
7653b9d8 CY |
751 | FI_HOT_DATA, /* indicate file is hot */ |
752 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ | |
753 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ | |
754 | FI_PIN_FILE, /* indicate file should not be gced */ | |
7653b9d8 CY |
755 | FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ |
756 | FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ | |
b28f047b | 757 | FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ |
7653b9d8 | 758 | FI_MMAP_FILE, /* indicate file was mmapped */ |
602a16d5 | 759 | FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */ |
c6140415 | 760 | FI_COMPRESS_RELEASED, /* compressed blocks were released */ |
859fca6b | 761 | FI_ALIGNED_WRITE, /* enable aligned write */ |
4a2c5b79 | 762 | FI_COW_FILE, /* indicate COW file */ |
7653b9d8 CY |
763 | FI_MAX, /* max flag, never be used */ |
764 | }; | |
765 | ||
39a53e0c JK |
766 | struct f2fs_inode_info { |
767 | struct inode vfs_inode; /* serve a vfs inode */ | |
768 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
769 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 770 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
771 | unsigned int i_current_depth; /* only for directory depth */ |
772 | /* for gc failure statistic */ | |
773 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 774 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
775 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
776 | ||
777 | /* Use below internally in f2fs*/ | |
7653b9d8 | 778 | unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */ |
e4544b63 | 779 | struct f2fs_rwsem i_sem; /* protect fi info */ |
204706c7 | 780 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
781 | f2fs_hash_t chash; /* hash value of given file name */ |
782 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 783 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 784 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 785 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 786 | loff_t last_disk_size; /* lastly written file size */ |
c10c9820 | 787 | spinlock_t i_size_lock; /* protect last_disk_size */ |
88b88a66 | 788 | |
0abd675e CY |
789 | #ifdef CONFIG_QUOTA |
790 | struct dquot *i_dquot[MAXQUOTAS]; | |
791 | ||
792 | /* quota space reservation, managed internally by quota code */ | |
793 | qsize_t i_reserved_quota; | |
794 | #endif | |
0f18b462 JK |
795 | struct list_head dirty_list; /* dirty list for dirs and files */ |
796 | struct list_head gdirty_list; /* linked in global dirty list */ | |
3db1de0e | 797 | struct task_struct *atomic_write_task; /* store atomic write task */ |
3e72f721 | 798 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
3db1de0e | 799 | struct inode *cow_inode; /* copy-on-write inode for atomic write */ |
b2532c69 CY |
800 | |
801 | /* avoid racing between foreground op and gc */ | |
e4544b63 TM |
802 | struct f2fs_rwsem i_gc_rwsem[2]; |
803 | struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */ | |
f2470371 | 804 | |
7a2af766 | 805 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 806 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 807 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
808 | struct timespec64 i_crtime; /* inode creation time */ |
809 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
4c8ff709 CY |
810 | |
811 | /* for file compress */ | |
c2759eba | 812 | atomic_t i_compr_blocks; /* # of compressed blocks */ |
4c8ff709 CY |
813 | unsigned char i_compress_algorithm; /* algorithm type */ |
814 | unsigned char i_log_cluster_size; /* log of cluster size */ | |
3fde13f8 | 815 | unsigned char i_compress_level; /* compress level (lz4hc,zstd) */ |
b28f047b | 816 | unsigned short i_compress_flag; /* compress flag */ |
4c8ff709 | 817 | unsigned int i_cluster_size; /* cluster size */ |
f8e2f32b DJ |
818 | |
819 | unsigned int atomic_write_cnt; | |
39a53e0c JK |
820 | }; |
821 | ||
822 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 823 | struct f2fs_extent *i_ext) |
39a53e0c | 824 | { |
bd933d4f CY |
825 | ext->fofs = le32_to_cpu(i_ext->fofs); |
826 | ext->blk = le32_to_cpu(i_ext->blk); | |
827 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
828 | } |
829 | ||
830 | static inline void set_raw_extent(struct extent_info *ext, | |
831 | struct f2fs_extent *i_ext) | |
832 | { | |
39a53e0c | 833 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 834 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 835 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
836 | } |
837 | ||
429511cd CY |
838 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
839 | u32 blk, unsigned int len) | |
840 | { | |
841 | ei->fofs = fofs; | |
842 | ei->blk = blk; | |
843 | ei->len = len; | |
94afd6d6 CY |
844 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
845 | ei->c_len = 0; | |
846 | #endif | |
429511cd CY |
847 | } |
848 | ||
004b6862 | 849 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 850 | struct discard_info *front, unsigned int max_len) |
004b6862 | 851 | { |
9a997188 | 852 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 853 | (back->len + front->len <= max_len); |
004b6862 CY |
854 | } |
855 | ||
856 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 857 | struct discard_info *back, unsigned int max_len) |
004b6862 | 858 | { |
35ec7d57 | 859 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
860 | } |
861 | ||
862 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 863 | struct discard_info *front, unsigned int max_len) |
004b6862 | 864 | { |
35ec7d57 | 865 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
866 | } |
867 | ||
429511cd CY |
868 | static inline bool __is_extent_mergeable(struct extent_info *back, |
869 | struct extent_info *front) | |
870 | { | |
94afd6d6 CY |
871 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
872 | if (back->c_len && back->len != back->c_len) | |
873 | return false; | |
874 | if (front->c_len && front->len != front->c_len) | |
875 | return false; | |
876 | #endif | |
429511cd CY |
877 | return (back->fofs + back->len == front->fofs && |
878 | back->blk + back->len == front->blk); | |
879 | } | |
880 | ||
881 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
882 | struct extent_info *back) | |
883 | { | |
884 | return __is_extent_mergeable(back, cur); | |
885 | } | |
886 | ||
887 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
888 | struct extent_info *front) | |
889 | { | |
890 | return __is_extent_mergeable(cur, front); | |
891 | } | |
892 | ||
cac5a3d8 | 893 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
894 | static inline void __try_update_largest_extent(struct extent_tree *et, |
895 | struct extent_node *en) | |
4abd3f5a | 896 | { |
205b9822 | 897 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 898 | et->largest = en->ei; |
b430f726 | 899 | et->largest_updated = true; |
205b9822 | 900 | } |
4abd3f5a CY |
901 | } |
902 | ||
9a4ffdf5 CY |
903 | /* |
904 | * For free nid management | |
905 | */ | |
906 | enum nid_state { | |
907 | FREE_NID, /* newly added to free nid list */ | |
908 | PREALLOC_NID, /* it is preallocated */ | |
909 | MAX_NID_STATE, | |
b8559dc2 CY |
910 | }; |
911 | ||
a95ba66a JK |
912 | enum nat_state { |
913 | TOTAL_NAT, | |
914 | DIRTY_NAT, | |
915 | RECLAIMABLE_NAT, | |
916 | MAX_NAT_STATE, | |
917 | }; | |
918 | ||
39a53e0c JK |
919 | struct f2fs_nm_info { |
920 | block_t nat_blkaddr; /* base disk address of NAT */ | |
921 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 922 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 923 | nid_t next_scan_nid; /* the next nid to be scanned */ |
47c8ebcc | 924 | nid_t max_rf_node_blocks; /* max # of nodes for recovery */ |
cdfc41c1 | 925 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 926 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 927 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
928 | |
929 | /* NAT cache management */ | |
930 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 931 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
e4544b63 | 932 | struct f2fs_rwsem nat_tree_lock; /* protect nat entry tree */ |
39a53e0c | 933 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 934 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
a95ba66a | 935 | unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */ |
22ad0b6a | 936 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
937 | |
938 | /* free node ids management */ | |
8a7ed66a | 939 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
940 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
941 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 942 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 943 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 944 | unsigned char **free_nid_bitmap; |
4ac91242 | 945 | unsigned char *nat_block_bitmap; |
586d1492 | 946 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
947 | |
948 | /* for checkpoint */ | |
949 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
950 | |
951 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
952 | unsigned char *nat_bits; /* NAT bits blocks */ | |
953 | unsigned char *full_nat_bits; /* full NAT pages */ | |
954 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
955 | #ifdef CONFIG_F2FS_CHECK_FS |
956 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
957 | #endif | |
39a53e0c JK |
958 | int bitmap_size; /* bitmap size */ |
959 | }; | |
960 | ||
961 | /* | |
962 | * this structure is used as one of function parameters. | |
963 | * all the information are dedicated to a given direct node block determined | |
964 | * by the data offset in a file. | |
965 | */ | |
966 | struct dnode_of_data { | |
967 | struct inode *inode; /* vfs inode pointer */ | |
968 | struct page *inode_page; /* its inode page, NULL is possible */ | |
969 | struct page *node_page; /* cached direct node page */ | |
970 | nid_t nid; /* node id of the direct node block */ | |
971 | unsigned int ofs_in_node; /* data offset in the node page */ | |
972 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 973 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
974 | char cur_level; /* level of hole node page */ |
975 | char max_level; /* level of current page located */ | |
39a53e0c JK |
976 | block_t data_blkaddr; /* block address of the node block */ |
977 | }; | |
978 | ||
979 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
980 | struct page *ipage, struct page *npage, nid_t nid) | |
981 | { | |
d66d1f76 | 982 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
983 | dn->inode = inode; |
984 | dn->inode_page = ipage; | |
985 | dn->node_page = npage; | |
986 | dn->nid = nid; | |
39a53e0c JK |
987 | } |
988 | ||
989 | /* | |
990 | * For SIT manager | |
991 | * | |
992 | * By default, there are 6 active log areas across the whole main area. | |
993 | * When considering hot and cold data separation to reduce cleaning overhead, | |
994 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
995 | * respectively. | |
996 | * In the current design, you should not change the numbers intentionally. | |
997 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
998 | * logs individually according to the underlying devices. (default: 6) | |
999 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
1000 | * data and 8 for node logs. | |
1001 | */ | |
1002 | #define NR_CURSEG_DATA_TYPE (3) | |
1003 | #define NR_CURSEG_NODE_TYPE (3) | |
093749e2 | 1004 | #define NR_CURSEG_INMEM_TYPE (2) |
a7d9fe3c | 1005 | #define NR_CURSEG_RO_TYPE (2) |
d0b9e42a CY |
1006 | #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) |
1007 | #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE) | |
39a53e0c JK |
1008 | |
1009 | enum { | |
1010 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
1011 | CURSEG_WARM_DATA, /* data blocks */ | |
1012 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
1013 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
1014 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
1015 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
d0b9e42a CY |
1016 | NR_PERSISTENT_LOG, /* number of persistent log */ |
1017 | CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG, | |
1018 | /* pinned file that needs consecutive block address */ | |
093749e2 | 1019 | CURSEG_ALL_DATA_ATGC, /* SSR alloctor in hot/warm/cold data area */ |
d0b9e42a | 1020 | NO_CHECK_TYPE, /* number of persistent & inmem log */ |
39a53e0c JK |
1021 | }; |
1022 | ||
6b4afdd7 | 1023 | struct flush_cmd { |
6b4afdd7 | 1024 | struct completion wait; |
721bd4d5 | 1025 | struct llist_node llnode; |
39d787be | 1026 | nid_t ino; |
6b4afdd7 JK |
1027 | int ret; |
1028 | }; | |
1029 | ||
a688b9d9 GZ |
1030 | struct flush_cmd_control { |
1031 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
1032 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 1033 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 1034 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
1035 | struct llist_head issue_list; /* list for command issue */ |
1036 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
1037 | }; |
1038 | ||
39a53e0c JK |
1039 | struct f2fs_sm_info { |
1040 | struct sit_info *sit_info; /* whole segment information */ | |
1041 | struct free_segmap_info *free_info; /* free segment information */ | |
1042 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
1043 | struct curseg_info *curseg_array; /* active segment information */ | |
1044 | ||
e4544b63 | 1045 | struct f2fs_rwsem curseg_lock; /* for preventing curseg change */ |
2b60311d | 1046 | |
39a53e0c JK |
1047 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
1048 | block_t main_blkaddr; /* start block address of main area */ | |
1049 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
1050 | ||
1051 | unsigned int segment_count; /* total # of segments */ | |
1052 | unsigned int main_segments; /* # of segments in main area */ | |
1053 | unsigned int reserved_segments; /* # of reserved segments */ | |
300a8429 | 1054 | unsigned int additional_reserved_segments;/* reserved segs for IO align feature */ |
39a53e0c | 1055 | unsigned int ovp_segments; /* # of overprovision segments */ |
81eb8d6e JK |
1056 | |
1057 | /* a threshold to reclaim prefree segments */ | |
1058 | unsigned int rec_prefree_segments; | |
7fd9e544 | 1059 | |
bba681cb JK |
1060 | /* for batched trimming */ |
1061 | unsigned int trim_sections; /* # of sections to trim */ | |
1062 | ||
184a5cd2 CY |
1063 | struct list_head sit_entry_set; /* sit entry set list */ |
1064 | ||
216fbd64 JK |
1065 | unsigned int ipu_policy; /* in-place-update policy */ |
1066 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 1067 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 1068 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 1069 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 1070 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
1071 | |
1072 | /* for flush command control */ | |
b01a9201 | 1073 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 1074 | |
0b54fb84 JK |
1075 | /* for discard command control */ |
1076 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
1077 | }; |
1078 | ||
39a53e0c JK |
1079 | /* |
1080 | * For superblock | |
1081 | */ | |
1082 | /* | |
1083 | * COUNT_TYPE for monitoring | |
1084 | * | |
1085 | * f2fs monitors the number of several block types such as on-writeback, | |
1086 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
1087 | */ | |
36951b38 | 1088 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 1089 | enum count_type { |
39a53e0c | 1090 | F2FS_DIRTY_DENTS, |
c227f912 | 1091 | F2FS_DIRTY_DATA, |
2c8a4a28 | 1092 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
1093 | F2FS_DIRTY_NODES, |
1094 | F2FS_DIRTY_META, | |
0f18b462 | 1095 | F2FS_DIRTY_IMETA, |
36951b38 CY |
1096 | F2FS_WB_CP_DATA, |
1097 | F2FS_WB_DATA, | |
5f9abab4 JK |
1098 | F2FS_RD_DATA, |
1099 | F2FS_RD_NODE, | |
1100 | F2FS_RD_META, | |
02b16d0a CY |
1101 | F2FS_DIO_WRITE, |
1102 | F2FS_DIO_READ, | |
39a53e0c JK |
1103 | NR_COUNT_TYPE, |
1104 | }; | |
1105 | ||
39a53e0c | 1106 | /* |
e1c42045 | 1107 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
1108 | * The available types are: |
1109 | * DATA User data pages. It operates as async mode. | |
1110 | * NODE Node pages. It operates as async mode. | |
1111 | * META FS metadata pages such as SIT, NAT, CP. | |
1112 | * NR_PAGE_TYPE The number of page types. | |
1113 | * META_FLUSH Make sure the previous pages are written | |
1114 | * with waiting the bio's completion | |
1115 | * ... Only can be used with META. | |
1116 | */ | |
7d5e5109 | 1117 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c | 1118 | enum page_type { |
6b8beca0 CY |
1119 | DATA = 0, |
1120 | NODE = 1, /* should not change this */ | |
39a53e0c JK |
1121 | META, |
1122 | NR_PAGE_TYPE, | |
1123 | META_FLUSH, | |
3db1de0e | 1124 | IPU, /* the below types are used by tracepoints only. */ |
8ce67cb0 | 1125 | OPU, |
39a53e0c JK |
1126 | }; |
1127 | ||
a912b54d JK |
1128 | enum temp_type { |
1129 | HOT = 0, /* must be zero for meta bio */ | |
1130 | WARM, | |
1131 | COLD, | |
1132 | NR_TEMP_TYPE, | |
1133 | }; | |
1134 | ||
cc15620b JK |
1135 | enum need_lock_type { |
1136 | LOCK_REQ = 0, | |
1137 | LOCK_DONE, | |
1138 | LOCK_RETRY, | |
1139 | }; | |
1140 | ||
a5fd5050 CY |
1141 | enum cp_reason_type { |
1142 | CP_NO_NEEDED, | |
1143 | CP_NON_REGULAR, | |
4c8ff709 | 1144 | CP_COMPRESSED, |
a5fd5050 CY |
1145 | CP_HARDLINK, |
1146 | CP_SB_NEED_CP, | |
1147 | CP_WRONG_PINO, | |
1148 | CP_NO_SPC_ROLL, | |
1149 | CP_NODE_NEED_CP, | |
1150 | CP_FASTBOOT_MODE, | |
1151 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1152 | CP_RECOVER_DIR, |
a5fd5050 CY |
1153 | }; |
1154 | ||
b0af6d49 | 1155 | enum iostat_type { |
8b83ac81 CY |
1156 | /* WRITE IO */ |
1157 | APP_DIRECT_IO, /* app direct write IOs */ | |
1158 | APP_BUFFERED_IO, /* app buffered write IOs */ | |
b0af6d49 CY |
1159 | APP_WRITE_IO, /* app write IOs */ |
1160 | APP_MAPPED_IO, /* app mapped IOs */ | |
1161 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1162 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1163 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1164 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1165 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1166 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1167 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1168 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
8b83ac81 CY |
1169 | |
1170 | /* READ IO */ | |
1171 | APP_DIRECT_READ_IO, /* app direct read IOs */ | |
1172 | APP_BUFFERED_READ_IO, /* app buffered read IOs */ | |
1173 | APP_READ_IO, /* app read IOs */ | |
1174 | APP_MAPPED_READ_IO, /* app mapped read IOs */ | |
1175 | FS_DATA_READ_IO, /* data read IOs */ | |
9c122384 CY |
1176 | FS_GDATA_READ_IO, /* data read IOs from background gc */ |
1177 | FS_CDATA_READ_IO, /* compressed data read IOs */ | |
8b83ac81 CY |
1178 | FS_NODE_READ_IO, /* node read IOs */ |
1179 | FS_META_READ_IO, /* meta read IOs */ | |
1180 | ||
1181 | /* other */ | |
b0af6d49 CY |
1182 | FS_DISCARD, /* discard */ |
1183 | NR_IO_TYPE, | |
1184 | }; | |
1185 | ||
458e6197 | 1186 | struct f2fs_io_info { |
05ca3632 | 1187 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1188 | nid_t ino; /* inode number */ |
7e8f2308 | 1189 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1190 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
7649c873 BVA |
1191 | enum req_op op; /* contains REQ_OP_ */ |
1192 | blk_opf_t op_flags; /* req_flag_bits */ | |
7a9d7548 | 1193 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1194 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1195 | struct page *page; /* page to be written */ |
4375a336 | 1196 | struct page *encrypted_page; /* encrypted page */ |
4c8ff709 | 1197 | struct page *compressed_page; /* compressed page */ |
fb830fc5 | 1198 | struct list_head list; /* serialize IOs */ |
d68f735b | 1199 | bool submitted; /* indicate IO submission */ |
cc15620b | 1200 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1201 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1202 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1203 | bool retry; /* need to reallocate block address */ |
4c8ff709 CY |
1204 | int compr_blocks; /* # of compressed block addresses */ |
1205 | bool encrypted; /* indicate file is encrypted */ | |
0d5b9d81 | 1206 | bool post_read; /* require post read */ |
b0af6d49 | 1207 | enum iostat_type io_type; /* io type */ |
578c6478 | 1208 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1209 | struct bio **bio; /* bio for ipu */ |
1210 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1211 | unsigned char version; /* version of the node */ |
458e6197 JK |
1212 | }; |
1213 | ||
0b20fcec CY |
1214 | struct bio_entry { |
1215 | struct bio *bio; | |
1216 | struct list_head list; | |
1217 | }; | |
1218 | ||
68afcf2d | 1219 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1220 | struct f2fs_bio_info { |
458e6197 | 1221 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1222 | struct bio *bio; /* bios to merge */ |
1223 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1224 | struct f2fs_io_info fio; /* store buffered io info. */ |
e4544b63 | 1225 | struct f2fs_rwsem io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1226 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1227 | struct list_head io_list; /* track fios */ | |
0b20fcec | 1228 | struct list_head bio_list; /* bio entry list head */ |
e4544b63 | 1229 | struct f2fs_rwsem bio_list_lock; /* lock to protect bio entry list */ |
1ff7bd3b JK |
1230 | }; |
1231 | ||
3c62be17 JK |
1232 | #define FDEV(i) (sbi->devs[i]) |
1233 | #define RDEV(i) (raw_super->devs[i]) | |
1234 | struct f2fs_dev_info { | |
1235 | struct block_device *bdev; | |
1236 | char path[MAX_PATH_LEN]; | |
1237 | unsigned int total_segments; | |
1238 | block_t start_blk; | |
1239 | block_t end_blk; | |
1240 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1241 | unsigned int nr_blkz; /* Total number of zones */ |
1242 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
3c62be17 JK |
1243 | #endif |
1244 | }; | |
1245 | ||
c227f912 CY |
1246 | enum inode_type { |
1247 | DIR_INODE, /* for dirty dir inode */ | |
1248 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1249 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1250 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1251 | NR_INODE_TYPE, |
1252 | }; | |
1253 | ||
67298804 CY |
1254 | /* for inner inode cache management */ |
1255 | struct inode_management { | |
1256 | struct radix_tree_root ino_root; /* ino entry array */ | |
1257 | spinlock_t ino_lock; /* for ino entry lock */ | |
1258 | struct list_head ino_list; /* inode list head */ | |
1259 | unsigned long ino_num; /* number of entries */ | |
1260 | }; | |
1261 | ||
093749e2 CY |
1262 | /* for GC_AT */ |
1263 | struct atgc_management { | |
1264 | bool atgc_enabled; /* ATGC is enabled or not */ | |
1265 | struct rb_root_cached root; /* root of victim rb-tree */ | |
1266 | struct list_head victim_list; /* linked with all victim entries */ | |
1267 | unsigned int victim_count; /* victim count in rb-tree */ | |
1268 | unsigned int candidate_ratio; /* candidate ratio */ | |
1269 | unsigned int max_candidate_count; /* max candidate count */ | |
1270 | unsigned int age_weight; /* age weight, vblock_weight = 100 - age_weight */ | |
1271 | unsigned long long age_threshold; /* age threshold */ | |
1272 | }; | |
1273 | ||
d147ea4a JK |
1274 | struct f2fs_gc_control { |
1275 | unsigned int victim_segno; /* target victim segment number */ | |
1276 | int init_gc_type; /* FG_GC or BG_GC */ | |
1277 | bool no_bg_gc; /* check the space and stop bg_gc */ | |
1278 | bool should_migrate_blocks; /* should migrate blocks */ | |
1279 | bool err_gc_skipped; /* return EAGAIN if GC skipped */ | |
c81d5bae | 1280 | unsigned int nr_free_secs; /* # of free sections to do GC */ |
d147ea4a JK |
1281 | }; |
1282 | ||
caf0047e CY |
1283 | /* For s_flag in struct f2fs_sb_info */ |
1284 | enum { | |
1285 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1286 | SBI_IS_CLOSE, /* specify unmounting */ | |
1287 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1288 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1289 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1290 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1291 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1292 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1293 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1294 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1295 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1296 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1297 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
04f0b2ea | 1298 | SBI_IS_RESIZEFS, /* resizefs is in process */ |
ba900534 | 1299 | SBI_IS_FREEZING, /* freezefs is in process */ |
caf0047e CY |
1300 | }; |
1301 | ||
6beceb54 JK |
1302 | enum { |
1303 | CP_TIME, | |
d0239e1b | 1304 | REQ_TIME, |
a7d10cf3 ST |
1305 | DISCARD_TIME, |
1306 | GC_TIME, | |
4354994f | 1307 | DISABLE_TIME, |
03f2c02d | 1308 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1309 | MAX_TIME, |
1310 | }; | |
1311 | ||
5b0e9539 JK |
1312 | enum { |
1313 | GC_NORMAL, | |
1314 | GC_IDLE_CB, | |
1315 | GC_IDLE_GREEDY, | |
093749e2 | 1316 | GC_IDLE_AT, |
0e5e8111 DJ |
1317 | GC_URGENT_HIGH, |
1318 | GC_URGENT_LOW, | |
d98af5f4 | 1319 | GC_URGENT_MID, |
07c6b593 | 1320 | MAX_GC_MODE, |
5b0e9539 JK |
1321 | }; |
1322 | ||
bbbc34fd CY |
1323 | enum { |
1324 | BGGC_MODE_ON, /* background gc is on */ | |
1325 | BGGC_MODE_OFF, /* background gc is off */ | |
1326 | BGGC_MODE_SYNC, /* | |
1327 | * background gc is on, migrating blocks | |
1328 | * like foreground gc | |
1329 | */ | |
1330 | }; | |
1331 | ||
b0332a0f | 1332 | enum { |
6691d940 DJ |
1333 | FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ |
1334 | FS_MODE_LFS, /* use lfs allocation only */ | |
1335 | FS_MODE_FRAGMENT_SEG, /* segment fragmentation mode */ | |
1336 | FS_MODE_FRAGMENT_BLK, /* block fragmentation mode */ | |
b0332a0f CY |
1337 | }; |
1338 | ||
07939627 JK |
1339 | enum { |
1340 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1341 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1342 | }; | |
1343 | ||
93cf93f1 JZ |
1344 | enum fsync_mode { |
1345 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1346 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1347 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1348 | }; |
1349 | ||
602a16d5 DJ |
1350 | enum { |
1351 | COMPR_MODE_FS, /* | |
1352 | * automatically compress compression | |
1353 | * enabled files | |
1354 | */ | |
1355 | COMPR_MODE_USER, /* | |
1356 | * automatical compression is disabled. | |
1357 | * user can control the file compression | |
1358 | * using ioctls | |
1359 | */ | |
1360 | }; | |
1361 | ||
4f993264 CY |
1362 | enum { |
1363 | DISCARD_UNIT_BLOCK, /* basic discard unit is block */ | |
1364 | DISCARD_UNIT_SEGMENT, /* basic discard unit is segment */ | |
1365 | DISCARD_UNIT_SECTION, /* basic discard unit is section */ | |
1366 | }; | |
1367 | ||
7a8fc586 DJ |
1368 | enum { |
1369 | MEMORY_MODE_NORMAL, /* memory mode for normal devices */ | |
1370 | MEMORY_MODE_LOW, /* memory mode for low memry devices */ | |
1371 | }; | |
1372 | ||
1373 | ||
1374 | ||
b763f3be CY |
1375 | static inline int f2fs_test_bit(unsigned int nr, char *addr); |
1376 | static inline void f2fs_set_bit(unsigned int nr, char *addr); | |
1377 | static inline void f2fs_clear_bit(unsigned int nr, char *addr); | |
1378 | ||
4c8ff709 | 1379 | /* |
b763f3be CY |
1380 | * Layout of f2fs page.private: |
1381 | * | |
1382 | * Layout A: lowest bit should be 1 | |
1383 | * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... | | |
1384 | * bit 0 PAGE_PRIVATE_NOT_POINTER | |
1385 | * bit 1 PAGE_PRIVATE_ATOMIC_WRITE | |
1386 | * bit 2 PAGE_PRIVATE_DUMMY_WRITE | |
1387 | * bit 3 PAGE_PRIVATE_ONGOING_MIGRATION | |
1388 | * bit 4 PAGE_PRIVATE_INLINE_INODE | |
1389 | * bit 5 PAGE_PRIVATE_REF_RESOURCE | |
1390 | * bit 6- f2fs private data | |
1391 | * | |
1392 | * Layout B: lowest bit should be 0 | |
1393 | * page.private is a wrapped pointer. | |
4c8ff709 | 1394 | */ |
b763f3be CY |
1395 | enum { |
1396 | PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */ | |
1397 | PAGE_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */ | |
1398 | PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */ | |
1399 | PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */ | |
1400 | PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */ | |
1401 | PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */ | |
1402 | PAGE_PRIVATE_MAX | |
1403 | }; | |
1404 | ||
1405 | #define PAGE_PRIVATE_GET_FUNC(name, flagname) \ | |
1406 | static inline bool page_private_##name(struct page *page) \ | |
1407 | { \ | |
c9ebd3df JK |
1408 | return PagePrivate(page) && \ |
1409 | test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \ | |
b763f3be CY |
1410 | test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ |
1411 | } | |
1412 | ||
1413 | #define PAGE_PRIVATE_SET_FUNC(name, flagname) \ | |
1414 | static inline void set_page_private_##name(struct page *page) \ | |
1415 | { \ | |
1416 | if (!PagePrivate(page)) { \ | |
1417 | get_page(page); \ | |
1418 | SetPagePrivate(page); \ | |
c9ebd3df | 1419 | set_page_private(page, 0); \ |
b763f3be CY |
1420 | } \ |
1421 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \ | |
1422 | set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1423 | } | |
1424 | ||
1425 | #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \ | |
1426 | static inline void clear_page_private_##name(struct page *page) \ | |
1427 | { \ | |
1428 | clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1429 | if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \ | |
1430 | set_page_private(page, 0); \ | |
1431 | if (PagePrivate(page)) { \ | |
1432 | ClearPagePrivate(page); \ | |
1433 | put_page(page); \ | |
1434 | }\ | |
1435 | } \ | |
1436 | } | |
1437 | ||
1438 | PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER); | |
1439 | PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE); | |
1440 | PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE); | |
1441 | PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION); | |
1442 | PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE); | |
1443 | PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE); | |
1444 | ||
1445 | PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE); | |
1446 | PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE); | |
1447 | PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION); | |
1448 | PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE); | |
1449 | PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE); | |
1450 | ||
1451 | PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE); | |
1452 | PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE); | |
1453 | PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION); | |
1454 | PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE); | |
1455 | PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE); | |
4c8ff709 | 1456 | |
6ce19aff CY |
1457 | static inline unsigned long get_page_private_data(struct page *page) |
1458 | { | |
1459 | unsigned long data = page_private(page); | |
1460 | ||
1461 | if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data)) | |
1462 | return 0; | |
1463 | return data >> PAGE_PRIVATE_MAX; | |
1464 | } | |
1465 | ||
1466 | static inline void set_page_private_data(struct page *page, unsigned long data) | |
1467 | { | |
1468 | if (!PagePrivate(page)) { | |
1469 | get_page(page); | |
1470 | SetPagePrivate(page); | |
c9ebd3df | 1471 | set_page_private(page, 0); |
6ce19aff CY |
1472 | } |
1473 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); | |
1474 | page_private(page) |= data << PAGE_PRIVATE_MAX; | |
1475 | } | |
1476 | ||
1477 | static inline void clear_page_private_data(struct page *page) | |
1478 | { | |
1479 | page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1; | |
1480 | if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { | |
1481 | set_page_private(page, 0); | |
1482 | if (PagePrivate(page)) { | |
1483 | ClearPagePrivate(page); | |
1484 | put_page(page); | |
1485 | } | |
1486 | } | |
1487 | } | |
1488 | ||
4c8ff709 CY |
1489 | /* For compression */ |
1490 | enum compress_algorithm_type { | |
1491 | COMPRESS_LZO, | |
1492 | COMPRESS_LZ4, | |
50cfa66f | 1493 | COMPRESS_ZSTD, |
6d92b201 | 1494 | COMPRESS_LZORLE, |
4c8ff709 CY |
1495 | COMPRESS_MAX, |
1496 | }; | |
1497 | ||
b28f047b CY |
1498 | enum compress_flag { |
1499 | COMPRESS_CHKSUM, | |
1500 | COMPRESS_MAX_FLAG, | |
1501 | }; | |
1502 | ||
6ce19aff CY |
1503 | #define COMPRESS_WATERMARK 20 |
1504 | #define COMPRESS_PERCENT 20 | |
1505 | ||
b28f047b | 1506 | #define COMPRESS_DATA_RESERVED_SIZE 4 |
4c8ff709 CY |
1507 | struct compress_data { |
1508 | __le32 clen; /* compressed data size */ | |
b28f047b | 1509 | __le32 chksum; /* compressed data chksum */ |
4c8ff709 CY |
1510 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ |
1511 | u8 cdata[]; /* compressed data */ | |
1512 | }; | |
1513 | ||
1514 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) | |
1515 | ||
1516 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 | |
1517 | ||
3fde13f8 CY |
1518 | #define COMPRESS_LEVEL_OFFSET 8 |
1519 | ||
4c8ff709 CY |
1520 | /* compress context */ |
1521 | struct compress_ctx { | |
1522 | struct inode *inode; /* inode the context belong to */ | |
1523 | pgoff_t cluster_idx; /* cluster index number */ | |
1524 | unsigned int cluster_size; /* page count in cluster */ | |
1525 | unsigned int log_cluster_size; /* log of cluster size */ | |
1526 | struct page **rpages; /* pages store raw data in cluster */ | |
1527 | unsigned int nr_rpages; /* total page number in rpages */ | |
1528 | struct page **cpages; /* pages store compressed data in cluster */ | |
1529 | unsigned int nr_cpages; /* total page number in cpages */ | |
3271d7eb | 1530 | unsigned int valid_nr_cpages; /* valid page number in cpages */ |
4c8ff709 CY |
1531 | void *rbuf; /* virtual mapped address on rpages */ |
1532 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1533 | size_t rlen; /* valid data length in rbuf */ | |
1534 | size_t clen; /* valid data length in cbuf */ | |
1535 | void *private; /* payload buffer for specified compression algorithm */ | |
50cfa66f | 1536 | void *private2; /* extra payload buffer */ |
4c8ff709 CY |
1537 | }; |
1538 | ||
1539 | /* compress context for write IO path */ | |
1540 | struct compress_io_ctx { | |
1541 | u32 magic; /* magic number to indicate page is compressed */ | |
1542 | struct inode *inode; /* inode the context belong to */ | |
1543 | struct page **rpages; /* pages store raw data in cluster */ | |
1544 | unsigned int nr_rpages; /* total page number in rpages */ | |
e6c3948d | 1545 | atomic_t pending_pages; /* in-flight compressed page count */ |
4c8ff709 CY |
1546 | }; |
1547 | ||
7f59b277 | 1548 | /* Context for decompressing one cluster on the read IO path */ |
4c8ff709 CY |
1549 | struct decompress_io_ctx { |
1550 | u32 magic; /* magic number to indicate page is compressed */ | |
1551 | struct inode *inode; /* inode the context belong to */ | |
1552 | pgoff_t cluster_idx; /* cluster index number */ | |
1553 | unsigned int cluster_size; /* page count in cluster */ | |
1554 | unsigned int log_cluster_size; /* log of cluster size */ | |
1555 | struct page **rpages; /* pages store raw data in cluster */ | |
1556 | unsigned int nr_rpages; /* total page number in rpages */ | |
1557 | struct page **cpages; /* pages store compressed data in cluster */ | |
1558 | unsigned int nr_cpages; /* total page number in cpages */ | |
1559 | struct page **tpages; /* temp pages to pad holes in cluster */ | |
1560 | void *rbuf; /* virtual mapped address on rpages */ | |
1561 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1562 | size_t rlen; /* valid data length in rbuf */ | |
1563 | size_t clen; /* valid data length in cbuf */ | |
7f59b277 EB |
1564 | |
1565 | /* | |
1566 | * The number of compressed pages remaining to be read in this cluster. | |
1567 | * This is initially nr_cpages. It is decremented by 1 each time a page | |
1568 | * has been read (or failed to be read). When it reaches 0, the cluster | |
1569 | * is decompressed (or an error is reported). | |
1570 | * | |
1571 | * If an error occurs before all the pages have been submitted for I/O, | |
1572 | * then this will never reach 0. In this case the I/O submitter is | |
1573 | * responsible for calling f2fs_decompress_end_io() instead. | |
1574 | */ | |
1575 | atomic_t remaining_pages; | |
1576 | ||
1577 | /* | |
1578 | * Number of references to this decompress_io_ctx. | |
1579 | * | |
1580 | * One reference is held for I/O completion. This reference is dropped | |
1581 | * after the pagecache pages are updated and unlocked -- either after | |
1582 | * decompression (and verity if enabled), or after an error. | |
1583 | * | |
1584 | * In addition, each compressed page holds a reference while it is in a | |
1585 | * bio. These references are necessary prevent compressed pages from | |
1586 | * being freed while they are still in a bio. | |
1587 | */ | |
1588 | refcount_t refcnt; | |
1589 | ||
1590 | bool failed; /* IO error occurred before decompression? */ | |
1591 | bool need_verity; /* need fs-verity verification after decompression? */ | |
50cfa66f CY |
1592 | void *private; /* payload buffer for specified decompression algorithm */ |
1593 | void *private2; /* extra payload buffer */ | |
7f59b277 | 1594 | struct work_struct verity_work; /* work to verify the decompressed pages */ |
bff139b4 | 1595 | struct work_struct free_work; /* work for late free this structure itself */ |
4c8ff709 CY |
1596 | }; |
1597 | ||
1598 | #define NULL_CLUSTER ((unsigned int)(~0)) | |
1599 | #define MIN_COMPRESS_LOG_SIZE 2 | |
1600 | #define MAX_COMPRESS_LOG_SIZE 8 | |
0e2b7385 | 1601 | #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size)) |
4c8ff709 | 1602 | |
39a53e0c JK |
1603 | struct f2fs_sb_info { |
1604 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1605 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1606 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
e4544b63 | 1607 | struct f2fs_rwsem sb_lock; /* lock for raw super block */ |
e8240f65 | 1608 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1609 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1610 | struct mutex writepages; /* mutex for writepages() */ |
39a53e0c | 1611 | |
178053e2 | 1612 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1613 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1614 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1615 | #endif |
1616 | ||
39a53e0c JK |
1617 | /* for node-related operations */ |
1618 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1619 | struct inode *node_inode; /* cache node blocks */ | |
1620 | ||
1621 | /* for segment-related operations */ | |
1622 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1623 | |
1624 | /* for bio operations */ | |
a912b54d | 1625 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d | 1626 | /* keep migration IO order for LFS mode */ |
e4544b63 | 1627 | struct f2fs_rwsem io_order_lock; |
0a595eba | 1628 | mempool_t *write_io_dummy; /* Dummy pages */ |
a7b8618a JK |
1629 | pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */ |
1630 | int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */ | |
39a53e0c JK |
1631 | |
1632 | /* for checkpoint */ | |
1633 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1634 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1635 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1636 | struct inode *meta_inode; /* cache meta blocks */ |
e4544b63 TM |
1637 | struct f2fs_rwsem cp_global_sem; /* checkpoint procedure lock */ |
1638 | struct f2fs_rwsem cp_rwsem; /* blocking FS operations */ | |
1639 | struct f2fs_rwsem node_write; /* locking node writes */ | |
1640 | struct f2fs_rwsem node_change; /* locking node change */ | |
fb51b5ef | 1641 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1642 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1643 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
261eeb9c | 1644 | struct ckpt_req_control cprc_info; /* for checkpoint request control */ |
39a53e0c | 1645 | |
a87aff1d | 1646 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1647 | |
50fa53ec CY |
1648 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1649 | struct list_head fsync_node_list; /* node list head */ | |
1650 | unsigned int fsync_seg_id; /* sequence id */ | |
1651 | unsigned int fsync_node_num; /* number of node entries */ | |
1652 | ||
6451e041 | 1653 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1654 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1655 | |
c227f912 CY |
1656 | /* for inode management */ |
1657 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1658 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1659 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1660 | |
13054c54 CY |
1661 | /* for extent tree cache */ |
1662 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1663 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1664 | struct list_head extent_list; /* lru list for shrinker */ |
1665 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1666 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1667 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1668 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1669 | atomic_t total_ext_node; /* extent info count */ |
1670 | ||
e1c42045 | 1671 | /* basic filesystem units */ |
39a53e0c JK |
1672 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1673 | unsigned int log_blocksize; /* log2 block size */ | |
1674 | unsigned int blocksize; /* block size */ | |
1675 | unsigned int root_ino_num; /* root inode number*/ | |
1676 | unsigned int node_ino_num; /* node inode number*/ | |
1677 | unsigned int meta_ino_num; /* meta inode number*/ | |
1678 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1679 | unsigned int blocks_per_seg; /* blocks per segment */ | |
b771aadc | 1680 | unsigned int unusable_blocks_per_sec; /* unusable blocks per section */ |
39a53e0c JK |
1681 | unsigned int segs_per_sec; /* segments per section */ |
1682 | unsigned int secs_per_zone; /* sections per zone */ | |
1683 | unsigned int total_sections; /* total section count */ | |
1684 | unsigned int total_node_count; /* total node block count */ | |
1685 | unsigned int total_valid_node_count; /* valid node block count */ | |
ab9fa662 | 1686 | int dir_level; /* directory level */ |
f6df8f23 | 1687 | int readdir_ra; /* readahead inode in readdir */ |
10208567 | 1688 | u64 max_io_bytes; /* max io bytes to merge IOs */ |
39a53e0c JK |
1689 | |
1690 | block_t user_block_count; /* # of user blocks */ | |
1691 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1692 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1693 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1694 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1695 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1696 | |
4354994f DR |
1697 | /* Additional tracking for no checkpoint mode */ |
1698 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1699 | ||
292c196a | 1700 | unsigned int nquota_files; /* # of quota sysfile */ |
e4544b63 | 1701 | struct f2fs_rwsem quota_sem; /* blocking cp for flags */ |
292c196a | 1702 | |
523be8a6 | 1703 | /* # of pages, see count_type */ |
35782b23 | 1704 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1705 | /* # of allocated blocks */ |
1706 | struct percpu_counter alloc_valid_block_count; | |
47c8ebcc JK |
1707 | /* # of node block writes as roll forward recovery */ |
1708 | struct percpu_counter rf_node_block_count; | |
39a53e0c | 1709 | |
687de7f1 | 1710 | /* writeback control */ |
c29fd0c0 | 1711 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1712 | |
513c5f37 JK |
1713 | /* valid inode count */ |
1714 | struct percpu_counter total_valid_inode_count; | |
1715 | ||
39a53e0c JK |
1716 | struct f2fs_mount_info mount_opt; /* mount options */ |
1717 | ||
1718 | /* for cleaning operations */ | |
e4544b63 | 1719 | struct f2fs_rwsem gc_lock; /* |
fb24fea7 CY |
1720 | * semaphore for GC, avoid |
1721 | * race between GC and GC or CP | |
1722 | */ | |
39a53e0c | 1723 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
093749e2 | 1724 | struct atgc_management am; /* atgc management */ |
5ec4e49f | 1725 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1726 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1727 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
325163e9 DJ |
1728 | spinlock_t gc_urgent_high_lock; |
1729 | bool gc_urgent_high_limited; /* indicates having limited trial count */ | |
1730 | unsigned int gc_urgent_high_remaining; /* remaining trial count for GC_URGENT_HIGH */ | |
0e5e8111 | 1731 | |
2ef79ecb | 1732 | /* for skip statistic */ |
a87aff1d | 1733 | unsigned int atomic_files; /* # of opened atomic file */ |
6f8d4455 | 1734 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1735 | |
1ad71a27 JK |
1736 | /* threshold for gc trials on pinned files */ |
1737 | u64 gc_pin_file_threshold; | |
e4544b63 | 1738 | struct f2fs_rwsem pin_sem; |
1ad71a27 | 1739 | |
b1c57c1c JK |
1740 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1741 | unsigned int max_victim_search; | |
e3080b01 CY |
1742 | /* migration granularity of garbage collection, unit: segment */ |
1743 | unsigned int migration_granularity; | |
b1c57c1c | 1744 | |
39a53e0c JK |
1745 | /* |
1746 | * for stat information. | |
1747 | * one is for the LFS mode, and the other is for the SSR mode. | |
1748 | */ | |
35b09d82 | 1749 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1750 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1751 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1752 | unsigned int segment_count[2]; /* # of allocated segments */ |
1753 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1754 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1755 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1756 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1757 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1758 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1759 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1760 | atomic_t inline_inode; /* # of inline_data inodes */ |
1761 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
4c8ff709 | 1762 | atomic_t compr_inode; /* # of compressed inodes */ |
ae999bb9 | 1763 | atomic64_t compr_blocks; /* # of compressed blocks */ |
26a28a0c | 1764 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
274bd9ba CY |
1765 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1766 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1767 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1768 | #endif |
39a53e0c | 1769 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1770 | |
da9953b7 JK |
1771 | /* to attach REQ_META|REQ_FUA flags */ |
1772 | unsigned int data_io_flag; | |
32b6aba8 | 1773 | unsigned int node_io_flag; |
b0af6d49 | 1774 | |
759820c9 | 1775 | /* For sysfs support */ |
5d4daa57 | 1776 | struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */ |
b59d0bae | 1777 | struct completion s_kobj_unregister; |
2658e50d | 1778 | |
5d4daa57 CY |
1779 | struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */ |
1780 | struct completion s_stat_kobj_unregister; | |
1781 | ||
4c89b53d JK |
1782 | struct kobject s_feature_list_kobj; /* /sys/fs/f2fs/<devname>/feature_list */ |
1783 | struct completion s_feature_list_kobj_unregister; | |
1784 | ||
2658e50d JK |
1785 | /* For shrinker support */ |
1786 | struct list_head s_list; | |
71f2c820 CY |
1787 | struct mutex umount_mutex; |
1788 | unsigned int shrinker_run_no; | |
1789 | ||
1790 | /* For multi devices */ | |
3c62be17 JK |
1791 | int s_ndevs; /* number of devices */ |
1792 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1793 | unsigned int dirty_device; /* for checkpoint data flush */ |
1794 | spinlock_t dev_lock; /* protect dirty_device */ | |
71f2c820 | 1795 | bool aligned_blksize; /* all devices has the same logical blksize */ |
8f1dbbbb SL |
1796 | |
1797 | /* For write statistics */ | |
1798 | u64 sectors_written_start; | |
1799 | u64 kbytes_written; | |
43b6573b KM |
1800 | |
1801 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1802 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1803 | |
704956ec CY |
1804 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1805 | __u32 s_chksum_seed; | |
4c8ff709 CY |
1806 | |
1807 | struct workqueue_struct *post_read_wq; /* post read workqueue */ | |
a999150f CY |
1808 | |
1809 | struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ | |
1810 | unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ | |
31083031 | 1811 | |
07c6b593 DJ |
1812 | /* For reclaimed segs statistics per each GC mode */ |
1813 | unsigned int gc_segment_mode; /* GC state for reclaimed segments */ | |
1814 | unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */ | |
1815 | ||
0f6b56ec DJ |
1816 | unsigned long seq_file_ra_mul; /* multiplier for ra_pages of seq. files in fadvise */ |
1817 | ||
6691d940 DJ |
1818 | int max_fragment_chunk; /* max chunk size for block fragmentation mode */ |
1819 | int max_fragment_hole; /* max hole size for block fragmentation mode */ | |
1820 | ||
f8e2f32b DJ |
1821 | /* For atomic write statistics */ |
1822 | atomic64_t current_atomic_write; | |
1823 | s64 peak_atomic_write; | |
1824 | u64 committed_atomic_block; | |
1825 | u64 revoked_atomic_block; | |
1826 | ||
31083031 CY |
1827 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
1828 | struct kmem_cache *page_array_slab; /* page array entry */ | |
1829 | unsigned int page_array_slab_size; /* default page array slab size */ | |
5ac443e2 DJ |
1830 | |
1831 | /* For runtime compression statistics */ | |
1832 | u64 compr_written_block; | |
1833 | u64 compr_saved_block; | |
1834 | u32 compr_new_inode; | |
6ce19aff CY |
1835 | |
1836 | /* For compressed block cache */ | |
1837 | struct inode *compress_inode; /* cache compressed blocks */ | |
1838 | unsigned int compress_percent; /* cache page percentage */ | |
1839 | unsigned int compress_watermark; /* cache page watermark */ | |
1840 | atomic_t compress_page_hit; /* cache hit count */ | |
31083031 | 1841 | #endif |
52118743 DJ |
1842 | |
1843 | #ifdef CONFIG_F2FS_IOSTAT | |
1844 | /* For app/fs IO statistics */ | |
1845 | spinlock_t iostat_lock; | |
1846 | unsigned long long rw_iostat[NR_IO_TYPE]; | |
1847 | unsigned long long prev_rw_iostat[NR_IO_TYPE]; | |
1848 | bool iostat_enable; | |
1849 | unsigned long iostat_next_period; | |
1850 | unsigned int iostat_period_ms; | |
a4b68176 DJ |
1851 | |
1852 | /* For io latency related statistics info in one iostat period */ | |
1853 | spinlock_t iostat_lat_lock; | |
1854 | struct iostat_lat_info *iostat_io_lat; | |
52118743 | 1855 | #endif |
39a53e0c JK |
1856 | }; |
1857 | ||
1ecc0c5c | 1858 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
c45d6002 CY |
1859 | #define f2fs_show_injection_info(sbi, type) \ |
1860 | printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \ | |
1861 | KERN_INFO, sbi->sb->s_id, \ | |
1862 | f2fs_fault_name[type], \ | |
55523519 | 1863 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1864 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1865 | { | |
63189b78 | 1866 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1867 | |
1868 | if (!ffi->inject_rate) | |
1869 | return false; | |
1870 | ||
1871 | if (!IS_FAULT_SET(ffi, type)) | |
1872 | return false; | |
1873 | ||
1874 | atomic_inc(&ffi->inject_ops); | |
1875 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1876 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1877 | return true; |
1878 | } | |
1879 | return false; | |
1880 | } | |
7fa750a1 | 1881 | #else |
c45d6002 | 1882 | #define f2fs_show_injection_info(sbi, type) do { } while (0) |
7fa750a1 AB |
1883 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1884 | { | |
1885 | return false; | |
1886 | } | |
1ecc0c5c CY |
1887 | #endif |
1888 | ||
0916878d DLM |
1889 | /* |
1890 | * Test if the mounted volume is a multi-device volume. | |
1891 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1892 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1893 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1894 | */ | |
1895 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1896 | { | |
1897 | return sbi->s_ndevs > 1; | |
1898 | } | |
1899 | ||
6beceb54 JK |
1900 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1901 | { | |
a7d10cf3 ST |
1902 | unsigned long now = jiffies; |
1903 | ||
1904 | sbi->last_time[type] = now; | |
1905 | ||
1906 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1907 | if (type == REQ_TIME) { | |
1908 | sbi->last_time[DISCARD_TIME] = now; | |
1909 | sbi->last_time[GC_TIME] = now; | |
1910 | } | |
6beceb54 JK |
1911 | } |
1912 | ||
1913 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1914 | { | |
6bccfa19 | 1915 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1916 | |
1917 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1918 | } | |
1919 | ||
a7d10cf3 ST |
1920 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1921 | int type) | |
1922 | { | |
1923 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1924 | unsigned int wait_ms = 0; | |
1925 | long delta; | |
1926 | ||
1927 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1928 | if (delta > 0) | |
1929 | wait_ms = jiffies_to_msecs(delta); | |
1930 | ||
1931 | return wait_ms; | |
1932 | } | |
1933 | ||
39a53e0c JK |
1934 | /* |
1935 | * Inline functions | |
1936 | */ | |
416d2dbb | 1937 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1938 | const void *address, unsigned int length) |
1939 | { | |
1940 | struct { | |
1941 | struct shash_desc shash; | |
1942 | char ctx[4]; | |
1943 | } desc; | |
1944 | int err; | |
1945 | ||
1946 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1947 | ||
1948 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1949 | *(u32 *)desc.ctx = crc; |
1950 | ||
1951 | err = crypto_shash_update(&desc.shash, address, length); | |
1952 | BUG_ON(err); | |
1953 | ||
1954 | return *(u32 *)desc.ctx; | |
1955 | } | |
1956 | ||
416d2dbb CY |
1957 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1958 | unsigned int length) | |
1959 | { | |
1960 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1961 | } | |
1962 | ||
1963 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1964 | void *buf, size_t buf_size) | |
1965 | { | |
1966 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1967 | } | |
1968 | ||
1969 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1970 | const void *address, unsigned int length) | |
1971 | { | |
1972 | return __f2fs_crc32(sbi, crc, address, length); | |
1973 | } | |
1974 | ||
39a53e0c JK |
1975 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1976 | { | |
1977 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1978 | } | |
1979 | ||
1980 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1981 | { | |
1982 | return sb->s_fs_info; | |
1983 | } | |
1984 | ||
4081363f JK |
1985 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1986 | { | |
1987 | return F2FS_SB(inode->i_sb); | |
1988 | } | |
1989 | ||
1990 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1991 | { | |
1992 | return F2FS_I_SB(mapping->host); | |
1993 | } | |
1994 | ||
1995 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1996 | { | |
4969c06a | 1997 | return F2FS_M_SB(page_file_mapping(page)); |
4081363f JK |
1998 | } |
1999 | ||
39a53e0c JK |
2000 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
2001 | { | |
2002 | return (struct f2fs_super_block *)(sbi->raw_super); | |
2003 | } | |
2004 | ||
2005 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
2006 | { | |
2007 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
2008 | } | |
2009 | ||
45590710 GZ |
2010 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
2011 | { | |
2012 | return (struct f2fs_node *)page_address(page); | |
2013 | } | |
2014 | ||
58bfaf44 JK |
2015 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
2016 | { | |
2017 | return &((struct f2fs_node *)page_address(page))->i; | |
2018 | } | |
2019 | ||
39a53e0c JK |
2020 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
2021 | { | |
2022 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
2023 | } | |
2024 | ||
2025 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
2026 | { | |
2027 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
2028 | } | |
2029 | ||
2030 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
2031 | { | |
2032 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
2033 | } | |
2034 | ||
2035 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
2036 | { | |
2037 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
2038 | } | |
2039 | ||
2040 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
2041 | { | |
2042 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
2043 | } | |
2044 | ||
9df27d98 GZ |
2045 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
2046 | { | |
2047 | return sbi->meta_inode->i_mapping; | |
2048 | } | |
2049 | ||
4ef51a8f JK |
2050 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
2051 | { | |
2052 | return sbi->node_inode->i_mapping; | |
2053 | } | |
2054 | ||
caf0047e CY |
2055 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
2056 | { | |
fadb2fb8 | 2057 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
2058 | } |
2059 | ||
2060 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 2061 | { |
fadb2fb8 | 2062 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
2063 | } |
2064 | ||
caf0047e | 2065 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 2066 | { |
fadb2fb8 | 2067 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
2068 | } |
2069 | ||
d71b5564 JK |
2070 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
2071 | { | |
2072 | return le64_to_cpu(cp->checkpoint_ver); | |
2073 | } | |
2074 | ||
ea676733 JK |
2075 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
2076 | { | |
2077 | if (type < F2FS_MAX_QUOTAS) | |
2078 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
2079 | return 0; | |
2080 | } | |
2081 | ||
ced2c7ea KM |
2082 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
2083 | { | |
2084 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
2085 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
2086 | } | |
2087 | ||
aaec2b1d | 2088 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
2089 | { |
2090 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 2091 | |
25ca923b JK |
2092 | return ckpt_flags & f; |
2093 | } | |
2094 | ||
aaec2b1d | 2095 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 2096 | { |
aaec2b1d CY |
2097 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
2098 | } | |
2099 | ||
2100 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
2101 | { | |
2102 | unsigned int ckpt_flags; | |
2103 | ||
2104 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
2105 | ckpt_flags |= f; |
2106 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
2107 | } | |
2108 | ||
aaec2b1d | 2109 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 2110 | { |
d1aa2453 CY |
2111 | unsigned long flags; |
2112 | ||
2113 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 2114 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 2115 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
2116 | } |
2117 | ||
2118 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
2119 | { | |
2120 | unsigned int ckpt_flags; | |
2121 | ||
2122 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
2123 | ckpt_flags &= (~f); |
2124 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
2125 | } | |
2126 | ||
aaec2b1d CY |
2127 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
2128 | { | |
d1aa2453 CY |
2129 | unsigned long flags; |
2130 | ||
2131 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 2132 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 2133 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
2134 | } |
2135 | ||
c7f91bd4 BVA |
2136 | #define init_f2fs_rwsem(sem) \ |
2137 | do { \ | |
2138 | static struct lock_class_key __key; \ | |
2139 | \ | |
2140 | __init_f2fs_rwsem((sem), #sem, &__key); \ | |
2141 | } while (0) | |
2142 | ||
2143 | static inline void __init_f2fs_rwsem(struct f2fs_rwsem *sem, | |
2144 | const char *sem_name, struct lock_class_key *key) | |
e4544b63 | 2145 | { |
c7f91bd4 | 2146 | __init_rwsem(&sem->internal_rwsem, sem_name, key); |
7f8e249d | 2147 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2148 | init_waitqueue_head(&sem->read_waiters); |
7f8e249d | 2149 | #endif |
e4544b63 TM |
2150 | } |
2151 | ||
2152 | static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem) | |
2153 | { | |
2154 | return rwsem_is_locked(&sem->internal_rwsem); | |
2155 | } | |
2156 | ||
2157 | static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem) | |
2158 | { | |
2159 | return rwsem_is_contended(&sem->internal_rwsem); | |
2160 | } | |
2161 | ||
2162 | static inline void f2fs_down_read(struct f2fs_rwsem *sem) | |
2163 | { | |
7f8e249d | 2164 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2165 | wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem)); |
7f8e249d JK |
2166 | #else |
2167 | down_read(&sem->internal_rwsem); | |
2168 | #endif | |
e4544b63 TM |
2169 | } |
2170 | ||
2171 | static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem) | |
2172 | { | |
2173 | return down_read_trylock(&sem->internal_rwsem); | |
2174 | } | |
2175 | ||
2176 | #ifdef CONFIG_DEBUG_LOCK_ALLOC | |
2177 | static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass) | |
2178 | { | |
2179 | down_read_nested(&sem->internal_rwsem, subclass); | |
2180 | } | |
2181 | #else | |
2182 | #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem) | |
2183 | #endif | |
2184 | ||
2185 | static inline void f2fs_up_read(struct f2fs_rwsem *sem) | |
2186 | { | |
2187 | up_read(&sem->internal_rwsem); | |
2188 | } | |
2189 | ||
2190 | static inline void f2fs_down_write(struct f2fs_rwsem *sem) | |
2191 | { | |
2192 | down_write(&sem->internal_rwsem); | |
2193 | } | |
2194 | ||
2195 | static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem) | |
2196 | { | |
2197 | return down_write_trylock(&sem->internal_rwsem); | |
2198 | } | |
2199 | ||
2200 | static inline void f2fs_up_write(struct f2fs_rwsem *sem) | |
2201 | { | |
2202 | up_write(&sem->internal_rwsem); | |
7f8e249d | 2203 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2204 | wake_up_all(&sem->read_waiters); |
7f8e249d | 2205 | #endif |
e4544b63 TM |
2206 | } |
2207 | ||
e479556b | 2208 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 2209 | { |
e4544b63 | 2210 | f2fs_down_read(&sbi->cp_rwsem); |
39936837 JK |
2211 | } |
2212 | ||
cc15620b JK |
2213 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
2214 | { | |
3e020389 CY |
2215 | if (time_to_inject(sbi, FAULT_LOCK_OP)) { |
2216 | f2fs_show_injection_info(sbi, FAULT_LOCK_OP); | |
2217 | return 0; | |
2218 | } | |
e4544b63 | 2219 | return f2fs_down_read_trylock(&sbi->cp_rwsem); |
cc15620b JK |
2220 | } |
2221 | ||
e479556b | 2222 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 2223 | { |
e4544b63 | 2224 | f2fs_up_read(&sbi->cp_rwsem); |
39a53e0c JK |
2225 | } |
2226 | ||
e479556b | 2227 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 2228 | { |
e4544b63 | 2229 | f2fs_down_write(&sbi->cp_rwsem); |
39936837 JK |
2230 | } |
2231 | ||
e479556b | 2232 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 2233 | { |
e4544b63 | 2234 | f2fs_up_write(&sbi->cp_rwsem); |
39a53e0c JK |
2235 | } |
2236 | ||
119ee914 JK |
2237 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
2238 | { | |
2239 | int reason = CP_SYNC; | |
2240 | ||
2241 | if (test_opt(sbi, FASTBOOT)) | |
2242 | reason = CP_FASTBOOT; | |
2243 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
2244 | reason = CP_UMOUNT; | |
2245 | return reason; | |
2246 | } | |
2247 | ||
2248 | static inline bool __remain_node_summaries(int reason) | |
2249 | { | |
c473f1a9 | 2250 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
2251 | } |
2252 | ||
2253 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
2254 | { | |
aaec2b1d CY |
2255 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
2256 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
2257 | } |
2258 | ||
39a53e0c JK |
2259 | /* |
2260 | * Check whether the inode has blocks or not | |
2261 | */ | |
2262 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
2263 | { | |
0eb0adad CY |
2264 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
2265 | ||
000519f2 | 2266 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
2267 | } |
2268 | ||
4bc8e9bc CY |
2269 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
2270 | { | |
2271 | return ofs == XATTR_NODE_OFFSET; | |
2272 | } | |
2273 | ||
d8a9a229 | 2274 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 2275 | struct inode *inode, bool cap) |
7c2e5963 | 2276 | { |
d8a9a229 JK |
2277 | if (!inode) |
2278 | return true; | |
7c2e5963 JK |
2279 | if (!test_opt(sbi, RESERVE_ROOT)) |
2280 | return false; | |
d8a9a229 JK |
2281 | if (IS_NOQUOTA(inode)) |
2282 | return true; | |
63189b78 | 2283 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 2284 | return true; |
63189b78 CY |
2285 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
2286 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 2287 | return true; |
a90a0884 | 2288 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 2289 | return true; |
7c2e5963 JK |
2290 | return false; |
2291 | } | |
2292 | ||
0abd675e CY |
2293 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
2294 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 2295 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 2296 | { |
0abd675e | 2297 | blkcnt_t diff = 0, release = 0; |
daeb433e | 2298 | block_t avail_user_block_count; |
0abd675e CY |
2299 | int ret; |
2300 | ||
2301 | ret = dquot_reserve_block(inode, *count); | |
2302 | if (ret) | |
2303 | return ret; | |
39a53e0c | 2304 | |
55523519 | 2305 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2306 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
0abd675e | 2307 | release = *count; |
9ea2f0be | 2308 | goto release_quota; |
55523519 | 2309 | } |
7fa750a1 | 2310 | |
dd11a5df JK |
2311 | /* |
2312 | * let's increase this in prior to actual block count change in order | |
2313 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
2314 | */ | |
2315 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
2316 | ||
2555a2d5 JK |
2317 | spin_lock(&sbi->stat_lock); |
2318 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
2319 | avail_user_block_count = sbi->user_block_count - |
2320 | sbi->current_reserved_blocks; | |
7e65be49 | 2321 | |
a90a0884 | 2322 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 2323 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
300a8429 CY |
2324 | |
2325 | if (F2FS_IO_ALIGNED(sbi)) | |
2326 | avail_user_block_count -= sbi->blocks_per_seg * | |
2327 | SM_I(sbi)->additional_reserved_segments; | |
2328 | ||
a4c3ecaa DR |
2329 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
2330 | if (avail_user_block_count > sbi->unusable_block_count) | |
2331 | avail_user_block_count -= sbi->unusable_block_count; | |
2332 | else | |
2333 | avail_user_block_count = 0; | |
2334 | } | |
daeb433e CY |
2335 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
2336 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
2337 | if (diff > *count) |
2338 | diff = *count; | |
dd11a5df | 2339 | *count -= diff; |
0abd675e | 2340 | release = diff; |
7e65be49 | 2341 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
2342 | if (!*count) { |
2343 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2344 | goto enospc; |
46008c6d | 2345 | } |
39a53e0c | 2346 | } |
39a53e0c | 2347 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 2348 | |
36b877af DR |
2349 | if (unlikely(release)) { |
2350 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 2351 | dquot_release_reservation_block(inode, release); |
36b877af | 2352 | } |
0abd675e CY |
2353 | f2fs_i_blocks_write(inode, *count, true, true); |
2354 | return 0; | |
2355 | ||
2356 | enospc: | |
36b877af | 2357 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
9ea2f0be | 2358 | release_quota: |
0abd675e CY |
2359 | dquot_release_reservation_block(inode, release); |
2360 | return -ENOSPC; | |
39a53e0c JK |
2361 | } |
2362 | ||
dcbb4c10 JP |
2363 | __printf(2, 3) |
2364 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...); | |
2365 | ||
2366 | #define f2fs_err(sbi, fmt, ...) \ | |
2367 | f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__) | |
2368 | #define f2fs_warn(sbi, fmt, ...) \ | |
2369 | f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__) | |
2370 | #define f2fs_notice(sbi, fmt, ...) \ | |
2371 | f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__) | |
2372 | #define f2fs_info(sbi, fmt, ...) \ | |
2373 | f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__) | |
2374 | #define f2fs_debug(sbi, fmt, ...) \ | |
2375 | f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__) | |
2376 | ||
da19b0dc | 2377 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 2378 | struct inode *inode, |
0eb0adad | 2379 | block_t count) |
39a53e0c | 2380 | { |
0eb0adad CY |
2381 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
2382 | ||
39a53e0c | 2383 | spin_lock(&sbi->stat_lock); |
9850cf4a | 2384 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 2385 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
2386 | if (sbi->reserved_blocks && |
2387 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2388 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
2389 | sbi->current_reserved_blocks + count); | |
39a53e0c | 2390 | spin_unlock(&sbi->stat_lock); |
5e159cd3 | 2391 | if (unlikely(inode->i_blocks < sectors)) { |
dcbb4c10 JP |
2392 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", |
2393 | inode->i_ino, | |
2394 | (unsigned long long)inode->i_blocks, | |
2395 | (unsigned long long)sectors); | |
5e159cd3 CY |
2396 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2397 | return; | |
2398 | } | |
0abd675e | 2399 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
2400 | } |
2401 | ||
2402 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2403 | { | |
35782b23 | 2404 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 2405 | |
20109873 CY |
2406 | if (count_type == F2FS_DIRTY_DENTS || |
2407 | count_type == F2FS_DIRTY_NODES || | |
2408 | count_type == F2FS_DIRTY_META || | |
2409 | count_type == F2FS_DIRTY_QDATA || | |
2410 | count_type == F2FS_DIRTY_IMETA) | |
2411 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
2412 | } |
2413 | ||
a7ffdbe2 | 2414 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 2415 | { |
204706c7 | 2416 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2417 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2418 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2419 | if (IS_NOQUOTA(inode)) |
2420 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2421 | } |
2422 | ||
2423 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2424 | { | |
35782b23 | 2425 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2426 | } |
2427 | ||
a7ffdbe2 | 2428 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 2429 | { |
5ac9f36f CY |
2430 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
2431 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
2432 | return; |
2433 | ||
204706c7 | 2434 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2435 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2436 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2437 | if (IS_NOQUOTA(inode)) |
2438 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2439 | } |
2440 | ||
f8e2f32b DJ |
2441 | static inline void inc_atomic_write_cnt(struct inode *inode) |
2442 | { | |
2443 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
2444 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
2445 | u64 current_write; | |
2446 | ||
2447 | fi->atomic_write_cnt++; | |
2448 | atomic64_inc(&sbi->current_atomic_write); | |
2449 | current_write = atomic64_read(&sbi->current_atomic_write); | |
2450 | if (current_write > sbi->peak_atomic_write) | |
2451 | sbi->peak_atomic_write = current_write; | |
2452 | } | |
2453 | ||
2454 | static inline void release_atomic_write_cnt(struct inode *inode) | |
2455 | { | |
2456 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
2457 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
2458 | ||
2459 | atomic64_sub(fi->atomic_write_cnt, &sbi->current_atomic_write); | |
2460 | fi->atomic_write_cnt = 0; | |
2461 | } | |
2462 | ||
523be8a6 | 2463 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 2464 | { |
35782b23 | 2465 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2466 | } |
2467 | ||
204706c7 | 2468 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 2469 | { |
204706c7 | 2470 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
2471 | } |
2472 | ||
5ac206cf NJ |
2473 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
2474 | { | |
3519e3f9 | 2475 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
2476 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
2477 | sbi->log_blocks_per_seg; | |
2478 | ||
2479 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
2480 | } |
2481 | ||
39a53e0c JK |
2482 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
2483 | { | |
8b8343fa | 2484 | return sbi->total_valid_block_count; |
39a53e0c JK |
2485 | } |
2486 | ||
f83a2584 YH |
2487 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
2488 | { | |
2489 | return sbi->discard_blks; | |
2490 | } | |
2491 | ||
39a53e0c JK |
2492 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
2493 | { | |
2494 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2495 | ||
2496 | /* return NAT or SIT bitmap */ | |
2497 | if (flag == NAT_BITMAP) | |
2498 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
2499 | else if (flag == SIT_BITMAP) | |
2500 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
2501 | ||
2502 | return 0; | |
2503 | } | |
2504 | ||
55141486 WL |
2505 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
2506 | { | |
2507 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
2508 | } | |
2509 | ||
39a53e0c JK |
2510 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
2511 | { | |
2512 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
4260c406 | 2513 | void *tmp_ptr = &ckpt->sit_nat_version_bitmap; |
1dbe4152 CL |
2514 | int offset; |
2515 | ||
199bc3fe CY |
2516 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
2517 | offset = (flag == SIT_BITMAP) ? | |
2518 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
2519 | /* |
2520 | * if large_nat_bitmap feature is enabled, leave checksum | |
2521 | * protection for all nat/sit bitmaps. | |
2522 | */ | |
4260c406 | 2523 | return tmp_ptr + offset + sizeof(__le32); |
199bc3fe CY |
2524 | } |
2525 | ||
55141486 | 2526 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
2527 | if (flag == NAT_BITMAP) |
2528 | return &ckpt->sit_nat_version_bitmap; | |
2529 | else | |
65b85ccc | 2530 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
2531 | } else { |
2532 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 2533 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
4260c406 | 2534 | return tmp_ptr + offset; |
1dbe4152 | 2535 | } |
39a53e0c JK |
2536 | } |
2537 | ||
2538 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
2539 | { | |
8508e44a | 2540 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 2541 | |
8508e44a | 2542 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 2543 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
2544 | return start_addr; |
2545 | } | |
39a53e0c | 2546 | |
8508e44a JK |
2547 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
2548 | { | |
2549 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 2550 | |
8508e44a JK |
2551 | if (sbi->cur_cp_pack == 1) |
2552 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
2553 | return start_addr; |
2554 | } | |
2555 | ||
8508e44a JK |
2556 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
2557 | { | |
2558 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
2559 | } | |
2560 | ||
39a53e0c JK |
2561 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
2562 | { | |
2563 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
2564 | } | |
2565 | ||
0abd675e | 2566 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 2567 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2568 | { |
2569 | block_t valid_block_count; | |
a4c3ecaa | 2570 | unsigned int valid_node_count, user_block_count; |
af033b2a | 2571 | int err; |
0abd675e | 2572 | |
af033b2a CY |
2573 | if (is_inode) { |
2574 | if (inode) { | |
2575 | err = dquot_alloc_inode(inode); | |
2576 | if (err) | |
2577 | return err; | |
2578 | } | |
2579 | } else { | |
2580 | err = dquot_reserve_block(inode, 1); | |
2581 | if (err) | |
2582 | return err; | |
0abd675e | 2583 | } |
39a53e0c | 2584 | |
812c6056 | 2585 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2586 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
812c6056 CY |
2587 | goto enospc; |
2588 | } | |
812c6056 | 2589 | |
39a53e0c JK |
2590 | spin_lock(&sbi->stat_lock); |
2591 | ||
7e65be49 JK |
2592 | valid_block_count = sbi->total_valid_block_count + |
2593 | sbi->current_reserved_blocks + 1; | |
2594 | ||
a90a0884 | 2595 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2596 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
300a8429 CY |
2597 | |
2598 | if (F2FS_IO_ALIGNED(sbi)) | |
2599 | valid_block_count += sbi->blocks_per_seg * | |
2600 | SM_I(sbi)->additional_reserved_segments; | |
2601 | ||
a4c3ecaa | 2602 | user_block_count = sbi->user_block_count; |
4354994f | 2603 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2604 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2605 | |
a4c3ecaa | 2606 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2607 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2608 | goto enospc; |
39a53e0c JK |
2609 | } |
2610 | ||
ef86d709 | 2611 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2612 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2613 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2614 | goto enospc; |
39a53e0c JK |
2615 | } |
2616 | ||
ef86d709 GZ |
2617 | sbi->total_valid_node_count++; |
2618 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2619 | spin_unlock(&sbi->stat_lock); |
2620 | ||
000519f2 CY |
2621 | if (inode) { |
2622 | if (is_inode) | |
2623 | f2fs_mark_inode_dirty_sync(inode, true); | |
2624 | else | |
0abd675e | 2625 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2626 | } |
ef86d709 | 2627 | |
41382ec4 | 2628 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2629 | return 0; |
2630 | ||
2631 | enospc: | |
af033b2a CY |
2632 | if (is_inode) { |
2633 | if (inode) | |
2634 | dquot_free_inode(inode); | |
2635 | } else { | |
0abd675e | 2636 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2637 | } |
0abd675e | 2638 | return -ENOSPC; |
39a53e0c JK |
2639 | } |
2640 | ||
2641 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2642 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2643 | { |
2644 | spin_lock(&sbi->stat_lock); | |
2645 | ||
4d17e6fe CY |
2646 | if (unlikely(!sbi->total_valid_block_count || |
2647 | !sbi->total_valid_node_count)) { | |
2648 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u", | |
2649 | sbi->total_valid_block_count, | |
2650 | sbi->total_valid_node_count); | |
2651 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
2652 | } else { | |
2653 | sbi->total_valid_block_count--; | |
2654 | sbi->total_valid_node_count--; | |
2655 | } | |
39a53e0c | 2656 | |
80d42145 YS |
2657 | if (sbi->reserved_blocks && |
2658 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2659 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2660 | |
2661 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2662 | |
ea6d7e72 | 2663 | if (is_inode) { |
af033b2a | 2664 | dquot_free_inode(inode); |
ea6d7e72 CY |
2665 | } else { |
2666 | if (unlikely(inode->i_blocks == 0)) { | |
097a7686 | 2667 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu", |
dcbb4c10 JP |
2668 | inode->i_ino, |
2669 | (unsigned long long)inode->i_blocks); | |
ea6d7e72 CY |
2670 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2671 | return; | |
2672 | } | |
0abd675e | 2673 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2674 | } |
39a53e0c JK |
2675 | } |
2676 | ||
2677 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2678 | { | |
8b8343fa | 2679 | return sbi->total_valid_node_count; |
39a53e0c JK |
2680 | } |
2681 | ||
2682 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2683 | { | |
513c5f37 | 2684 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2685 | } |
2686 | ||
0e80220a | 2687 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2688 | { |
513c5f37 | 2689 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2690 | } |
2691 | ||
513c5f37 | 2692 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2693 | { |
513c5f37 | 2694 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2695 | } |
2696 | ||
a56c7c6f JK |
2697 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2698 | pgoff_t index, bool for_write) | |
2699 | { | |
82cf4f13 | 2700 | struct page *page; |
df808180 | 2701 | unsigned int flags; |
cac5a3d8 | 2702 | |
7fa750a1 AB |
2703 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2704 | if (!for_write) | |
2705 | page = find_get_page_flags(mapping, index, | |
2706 | FGP_LOCK | FGP_ACCESSED); | |
2707 | else | |
2708 | page = find_lock_page(mapping, index); | |
2709 | if (page) | |
2710 | return page; | |
c41f3cc3 | 2711 | |
7fa750a1 | 2712 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
c45d6002 CY |
2713 | f2fs_show_injection_info(F2FS_M_SB(mapping), |
2714 | FAULT_PAGE_ALLOC); | |
7fa750a1 AB |
2715 | return NULL; |
2716 | } | |
55523519 | 2717 | } |
7fa750a1 | 2718 | |
a56c7c6f JK |
2719 | if (!for_write) |
2720 | return grab_cache_page(mapping, index); | |
df808180 MWO |
2721 | |
2722 | flags = memalloc_nofs_save(); | |
b7446e7c | 2723 | page = grab_cache_page_write_begin(mapping, index); |
df808180 MWO |
2724 | memalloc_nofs_restore(flags); |
2725 | ||
2726 | return page; | |
a56c7c6f JK |
2727 | } |
2728 | ||
01eccef7 CY |
2729 | static inline struct page *f2fs_pagecache_get_page( |
2730 | struct address_space *mapping, pgoff_t index, | |
2731 | int fgp_flags, gfp_t gfp_mask) | |
2732 | { | |
01eccef7 | 2733 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
c45d6002 | 2734 | f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET); |
01eccef7 CY |
2735 | return NULL; |
2736 | } | |
7fa750a1 | 2737 | |
01eccef7 CY |
2738 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2739 | } | |
2740 | ||
39a53e0c JK |
2741 | static inline void f2fs_put_page(struct page *page, int unlock) |
2742 | { | |
031fa8cc | 2743 | if (!page) |
39a53e0c JK |
2744 | return; |
2745 | ||
2746 | if (unlock) { | |
9850cf4a | 2747 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2748 | unlock_page(page); |
2749 | } | |
09cbfeaf | 2750 | put_page(page); |
39a53e0c JK |
2751 | } |
2752 | ||
2753 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2754 | { | |
2755 | if (dn->node_page) | |
2756 | f2fs_put_page(dn->node_page, 1); | |
2757 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2758 | f2fs_put_page(dn->inode_page, 0); | |
2759 | dn->node_page = NULL; | |
2760 | dn->inode_page = NULL; | |
2761 | } | |
2762 | ||
2763 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2764 | size_t size) |
39a53e0c | 2765 | { |
e8512d2e | 2766 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2767 | } |
2768 | ||
32410577 | 2769 | static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep, |
7bd59381 GZ |
2770 | gfp_t flags) |
2771 | { | |
2772 | void *entry; | |
7bd59381 | 2773 | |
80c54505 JK |
2774 | entry = kmem_cache_alloc(cachep, flags); |
2775 | if (!entry) | |
2776 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2777 | return entry; |
2778 | } | |
2779 | ||
32410577 CY |
2780 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2781 | gfp_t flags, bool nofail, struct f2fs_sb_info *sbi) | |
2782 | { | |
2783 | if (nofail) | |
2784 | return f2fs_kmem_cache_alloc_nofail(cachep, flags); | |
2785 | ||
2786 | if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) { | |
2787 | f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC); | |
2788 | return NULL; | |
2789 | } | |
2790 | ||
2791 | return kmem_cache_alloc(cachep, flags); | |
2792 | } | |
2793 | ||
493720a4 | 2794 | static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type) |
5f9abab4 JK |
2795 | { |
2796 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || | |
2797 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2798 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2799 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2800 | get_pages(sbi, F2FS_DIO_WRITE)) |
493720a4 | 2801 | return true; |
11ac8ef8 | 2802 | |
56659ce8 | 2803 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && |
11ac8ef8 | 2804 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) |
493720a4 | 2805 | return true; |
11ac8ef8 JK |
2806 | |
2807 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2808 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
493720a4 CY |
2809 | return true; |
2810 | return false; | |
2811 | } | |
2812 | ||
2813 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) | |
2814 | { | |
2815 | if (sbi->gc_mode == GC_URGENT_HIGH) | |
2816 | return true; | |
2817 | ||
2818 | if (is_inflight_io(sbi, type)) | |
11ac8ef8 JK |
2819 | return false; |
2820 | ||
d98af5f4 DJ |
2821 | if (sbi->gc_mode == GC_URGENT_MID) |
2822 | return true; | |
2823 | ||
0e5e8111 DJ |
2824 | if (sbi->gc_mode == GC_URGENT_LOW && |
2825 | (type == DISCARD_TIME || type == GC_TIME)) | |
2826 | return true; | |
2827 | ||
5f9abab4 JK |
2828 | return f2fs_time_over(sbi, type); |
2829 | } | |
2830 | ||
9be32d72 JK |
2831 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2832 | unsigned long index, void *item) | |
2833 | { | |
2834 | while (radix_tree_insert(root, index, item)) | |
2835 | cond_resched(); | |
2836 | } | |
2837 | ||
39a53e0c JK |
2838 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2839 | ||
2840 | static inline bool IS_INODE(struct page *page) | |
2841 | { | |
45590710 | 2842 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2843 | |
39a53e0c JK |
2844 | return RAW_IS_INODE(p); |
2845 | } | |
2846 | ||
7a2af766 CY |
2847 | static inline int offset_in_addr(struct f2fs_inode *i) |
2848 | { | |
2849 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2850 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2851 | } | |
2852 | ||
39a53e0c JK |
2853 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2854 | { | |
2855 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2856 | } | |
2857 | ||
7a2af766 | 2858 | static inline int f2fs_has_extra_attr(struct inode *inode); |
a2ced1ce | 2859 | static inline block_t data_blkaddr(struct inode *inode, |
7a2af766 | 2860 | struct page *node_page, unsigned int offset) |
39a53e0c JK |
2861 | { |
2862 | struct f2fs_node *raw_node; | |
2863 | __le32 *addr_array; | |
7a2af766 CY |
2864 | int base = 0; |
2865 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2866 | |
45590710 | 2867 | raw_node = F2FS_NODE(node_page); |
7a2af766 | 2868 | |
979f492f L |
2869 | if (is_inode) { |
2870 | if (!inode) | |
7a88ddb5 | 2871 | /* from GC path only */ |
7a2af766 | 2872 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2873 | else if (f2fs_has_extra_attr(inode)) |
2874 | base = get_extra_isize(inode); | |
7a2af766 CY |
2875 | } |
2876 | ||
39a53e0c | 2877 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2878 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2879 | } |
2880 | ||
a2ced1ce CY |
2881 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) |
2882 | { | |
2883 | return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node); | |
2884 | } | |
2885 | ||
39a53e0c JK |
2886 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
2887 | { | |
2888 | int mask; | |
2889 | ||
2890 | addr += (nr >> 3); | |
2891 | mask = 1 << (7 - (nr & 0x07)); | |
2892 | return mask & *addr; | |
2893 | } | |
2894 | ||
a66cdd98 JK |
2895 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2896 | { | |
2897 | int mask; | |
2898 | ||
2899 | addr += (nr >> 3); | |
2900 | mask = 1 << (7 - (nr & 0x07)); | |
2901 | *addr |= mask; | |
2902 | } | |
2903 | ||
2904 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2905 | { | |
2906 | int mask; | |
2907 | ||
2908 | addr += (nr >> 3); | |
2909 | mask = 1 << (7 - (nr & 0x07)); | |
2910 | *addr &= ~mask; | |
2911 | } | |
2912 | ||
52aca074 | 2913 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2914 | { |
2915 | int mask; | |
2916 | int ret; | |
2917 | ||
2918 | addr += (nr >> 3); | |
2919 | mask = 1 << (7 - (nr & 0x07)); | |
2920 | ret = mask & *addr; | |
2921 | *addr |= mask; | |
2922 | return ret; | |
2923 | } | |
2924 | ||
52aca074 | 2925 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2926 | { |
2927 | int mask; | |
2928 | int ret; | |
2929 | ||
2930 | addr += (nr >> 3); | |
2931 | mask = 1 << (7 - (nr & 0x07)); | |
2932 | ret = mask & *addr; | |
2933 | *addr &= ~mask; | |
2934 | return ret; | |
2935 | } | |
2936 | ||
c6ac4c0e GZ |
2937 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2938 | { | |
2939 | int mask; | |
2940 | ||
2941 | addr += (nr >> 3); | |
2942 | mask = 1 << (7 - (nr & 0x07)); | |
2943 | *addr ^= mask; | |
2944 | } | |
2945 | ||
59c84408 | 2946 | /* |
36098557 | 2947 | * On-disk inode flags (f2fs_inode::i_flags) |
59c84408 | 2948 | */ |
4c8ff709 | 2949 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ |
59c84408 CY |
2950 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ |
2951 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2952 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2953 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2954 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
4c8ff709 | 2955 | #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ |
59c84408 | 2956 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ |
59c84408 | 2957 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
59c84408 | 2958 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ |
2c2eb7a3 | 2959 | #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ |
59c84408 CY |
2960 | |
2961 | /* Flags that should be inherited by new inodes from their parent. */ | |
36098557 | 2962 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ |
2c2eb7a3 | 2963 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
4c8ff709 | 2964 | F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL) |
59c84408 CY |
2965 | |
2966 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2c2eb7a3 DR |
2967 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
2968 | F2FS_CASEFOLD_FL)) | |
59c84408 CY |
2969 | |
2970 | /* Flags that are appropriate for non-directories/regular files. */ | |
2971 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2972 | |
2973 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2974 | { | |
2975 | if (S_ISDIR(mode)) | |
2976 | return flags; | |
2977 | else if (S_ISREG(mode)) | |
2978 | return flags & F2FS_REG_FLMASK; | |
2979 | else | |
2980 | return flags & F2FS_OTHER_FLMASK; | |
2981 | } | |
2982 | ||
205b9822 JK |
2983 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2984 | int flag, bool set) | |
2985 | { | |
2986 | switch (flag) { | |
2987 | case FI_INLINE_XATTR: | |
2988 | case FI_INLINE_DATA: | |
2989 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2990 | case FI_NEW_INODE: |
205b9822 JK |
2991 | if (set) |
2992 | return; | |
df561f66 | 2993 | fallthrough; |
205b9822 JK |
2994 | case FI_DATA_EXIST: |
2995 | case FI_INLINE_DOTS: | |
1ad71a27 | 2996 | case FI_PIN_FILE: |
c6140415 | 2997 | case FI_COMPRESS_RELEASED: |
7c45729a | 2998 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2999 | } |
3000 | } | |
3001 | ||
91942321 | 3002 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 3003 | { |
58f7e00f | 3004 | set_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 3005 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
3006 | } |
3007 | ||
91942321 | 3008 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 3009 | { |
7653b9d8 | 3010 | return test_bit(flag, F2FS_I(inode)->flags); |
39a53e0c JK |
3011 | } |
3012 | ||
91942321 | 3013 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 3014 | { |
58f7e00f | 3015 | clear_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 3016 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
3017 | } |
3018 | ||
95ae251f EB |
3019 | static inline bool f2fs_verity_in_progress(struct inode *inode) |
3020 | { | |
3021 | return IS_ENABLED(CONFIG_FS_VERITY) && | |
3022 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); | |
3023 | } | |
3024 | ||
91942321 | 3025 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 3026 | { |
91942321 JK |
3027 | F2FS_I(inode)->i_acl_mode = mode; |
3028 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 3029 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
3030 | } |
3031 | ||
a1961246 | 3032 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 3033 | { |
a1961246 JK |
3034 | if (inc) |
3035 | inc_nlink(inode); | |
3036 | else | |
3037 | drop_nlink(inode); | |
7c45729a | 3038 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
3039 | } |
3040 | ||
8edd03c8 | 3041 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 3042 | block_t diff, bool add, bool claim) |
8edd03c8 | 3043 | { |
26de9b11 JK |
3044 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
3045 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
3046 | ||
0abd675e CY |
3047 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
3048 | if (add) { | |
3049 | if (claim) | |
3050 | dquot_claim_block(inode, diff); | |
3051 | else | |
3052 | dquot_alloc_block_nofail(inode, diff); | |
3053 | } else { | |
3054 | dquot_free_block(inode, diff); | |
3055 | } | |
3056 | ||
7c45729a | 3057 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
3058 | if (clean || recover) |
3059 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
3060 | } |
3061 | ||
fc9581c8 JK |
3062 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
3063 | { | |
26de9b11 JK |
3064 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
3065 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
3066 | ||
fc9581c8 JK |
3067 | if (i_size_read(inode) == i_size) |
3068 | return; | |
3069 | ||
3070 | i_size_write(inode, i_size); | |
7c45729a | 3071 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
3072 | if (clean || recover) |
3073 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
3074 | } |
3075 | ||
205b9822 | 3076 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 3077 | { |
205b9822 | 3078 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 3079 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
3080 | } |
3081 | ||
1ad71a27 JK |
3082 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
3083 | unsigned int count) | |
3084 | { | |
2ef79ecb | 3085 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
3086 | f2fs_mark_inode_dirty_sync(inode, true); |
3087 | } | |
3088 | ||
205b9822 | 3089 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 3090 | { |
205b9822 | 3091 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 3092 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
3093 | } |
3094 | ||
3095 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
3096 | { | |
3097 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 3098 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
3099 | } |
3100 | ||
91942321 | 3101 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 3102 | { |
205b9822 JK |
3103 | struct f2fs_inode_info *fi = F2FS_I(inode); |
3104 | ||
444c580f | 3105 | if (ri->i_inline & F2FS_INLINE_XATTR) |
7653b9d8 | 3106 | set_bit(FI_INLINE_XATTR, fi->flags); |
1001b347 | 3107 | if (ri->i_inline & F2FS_INLINE_DATA) |
7653b9d8 | 3108 | set_bit(FI_INLINE_DATA, fi->flags); |
34d67deb | 3109 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
7653b9d8 | 3110 | set_bit(FI_INLINE_DENTRY, fi->flags); |
b3d208f9 | 3111 | if (ri->i_inline & F2FS_DATA_EXIST) |
7653b9d8 | 3112 | set_bit(FI_DATA_EXIST, fi->flags); |
510022a8 | 3113 | if (ri->i_inline & F2FS_INLINE_DOTS) |
7653b9d8 | 3114 | set_bit(FI_INLINE_DOTS, fi->flags); |
7a2af766 | 3115 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
7653b9d8 | 3116 | set_bit(FI_EXTRA_ATTR, fi->flags); |
1ad71a27 | 3117 | if (ri->i_inline & F2FS_PIN_FILE) |
7653b9d8 | 3118 | set_bit(FI_PIN_FILE, fi->flags); |
c6140415 JK |
3119 | if (ri->i_inline & F2FS_COMPRESS_RELEASED) |
3120 | set_bit(FI_COMPRESS_RELEASED, fi->flags); | |
444c580f JK |
3121 | } |
3122 | ||
91942321 | 3123 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
3124 | { |
3125 | ri->i_inline = 0; | |
3126 | ||
91942321 | 3127 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 3128 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 3129 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 3130 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 3131 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 3132 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 3133 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 3134 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 3135 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 3136 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
3137 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
3138 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
3139 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
3140 | ri->i_inline |= F2FS_PIN_FILE; | |
c6140415 JK |
3141 | if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) |
3142 | ri->i_inline |= F2FS_COMPRESS_RELEASED; | |
7a2af766 CY |
3143 | } |
3144 | ||
3145 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
3146 | { | |
3147 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
3148 | } |
3149 | ||
987c7c31 CY |
3150 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
3151 | { | |
91942321 | 3152 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
3153 | } |
3154 | ||
4c8ff709 CY |
3155 | static inline int f2fs_compressed_file(struct inode *inode) |
3156 | { | |
3157 | return S_ISREG(inode->i_mode) && | |
3158 | is_inode_flag_set(inode, FI_COMPRESSED_FILE); | |
3159 | } | |
3160 | ||
602a16d5 DJ |
3161 | static inline bool f2fs_need_compress_data(struct inode *inode) |
3162 | { | |
3163 | int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode; | |
3164 | ||
3165 | if (!f2fs_compressed_file(inode)) | |
3166 | return false; | |
3167 | ||
3168 | if (compress_mode == COMPR_MODE_FS) | |
3169 | return true; | |
3170 | else if (compress_mode == COMPR_MODE_USER && | |
3171 | is_inode_flag_set(inode, FI_ENABLE_COMPRESS)) | |
3172 | return true; | |
3173 | ||
3174 | return false; | |
3175 | } | |
3176 | ||
81ca7350 | 3177 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 3178 | { |
d02a6e61 CY |
3179 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
3180 | get_inline_xattr_addrs(inode); | |
4c8ff709 CY |
3181 | |
3182 | if (!f2fs_compressed_file(inode)) | |
3183 | return addrs; | |
3184 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); | |
d02a6e61 CY |
3185 | } |
3186 | ||
3187 | static inline unsigned int addrs_per_block(struct inode *inode) | |
3188 | { | |
4c8ff709 CY |
3189 | if (!f2fs_compressed_file(inode)) |
3190 | return DEF_ADDRS_PER_BLOCK; | |
3191 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size); | |
de93653f JK |
3192 | } |
3193 | ||
6afc662e | 3194 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 3195 | { |
695fd1ed | 3196 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 3197 | |
65985d93 | 3198 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 3199 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
3200 | } |
3201 | ||
3202 | static inline int inline_xattr_size(struct inode *inode) | |
3203 | { | |
622927f3 CY |
3204 | if (f2fs_has_inline_xattr(inode)) |
3205 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
3206 | return 0; | |
65985d93 JK |
3207 | } |
3208 | ||
d9c454ab CL |
3209 | /* |
3210 | * Notice: check inline_data flag without inode page lock is unsafe. | |
3211 | * It could change at any time by f2fs_convert_inline_page(). | |
3212 | */ | |
0dbdc2ae JK |
3213 | static inline int f2fs_has_inline_data(struct inode *inode) |
3214 | { | |
91942321 | 3215 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
3216 | } |
3217 | ||
b3d208f9 JK |
3218 | static inline int f2fs_exist_data(struct inode *inode) |
3219 | { | |
91942321 | 3220 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
3221 | } |
3222 | ||
510022a8 JK |
3223 | static inline int f2fs_has_inline_dots(struct inode *inode) |
3224 | { | |
91942321 | 3225 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
3226 | } |
3227 | ||
4c8ff709 CY |
3228 | static inline int f2fs_is_mmap_file(struct inode *inode) |
3229 | { | |
3230 | return is_inode_flag_set(inode, FI_MMAP_FILE); | |
3231 | } | |
3232 | ||
1ad71a27 JK |
3233 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
3234 | { | |
3235 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
3236 | } | |
3237 | ||
88b88a66 JK |
3238 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
3239 | { | |
91942321 | 3240 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
3241 | } |
3242 | ||
4a2c5b79 YB |
3243 | static inline bool f2fs_is_cow_file(struct inode *inode) |
3244 | { | |
3245 | return is_inode_flag_set(inode, FI_COW_FILE); | |
3246 | } | |
3247 | ||
3c6c2beb JK |
3248 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
3249 | { | |
91942321 | 3250 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
3251 | } |
3252 | ||
1e84371f JK |
3253 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
3254 | { | |
91942321 | 3255 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
3256 | } |
3257 | ||
f2470371 | 3258 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 3259 | { |
695fd1ed | 3260 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 3261 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 3262 | |
7a2af766 | 3263 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
3264 | } |
3265 | ||
34d67deb CY |
3266 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
3267 | { | |
91942321 | 3268 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
3269 | } |
3270 | ||
b5492af7 JK |
3271 | static inline int is_file(struct inode *inode, int type) |
3272 | { | |
3273 | return F2FS_I(inode)->i_advise & type; | |
3274 | } | |
3275 | ||
3276 | static inline void set_file(struct inode *inode, int type) | |
3277 | { | |
766c6639 JK |
3278 | if (is_file(inode, type)) |
3279 | return; | |
b5492af7 | 3280 | F2FS_I(inode)->i_advise |= type; |
7c45729a | 3281 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3282 | } |
3283 | ||
3284 | static inline void clear_file(struct inode *inode, int type) | |
3285 | { | |
766c6639 JK |
3286 | if (!is_file(inode, type)) |
3287 | return; | |
b5492af7 | 3288 | F2FS_I(inode)->i_advise &= ~type; |
7c45729a | 3289 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3290 | } |
3291 | ||
fe1897ea CY |
3292 | static inline bool f2fs_is_time_consistent(struct inode *inode) |
3293 | { | |
3294 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) | |
3295 | return false; | |
3296 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) | |
3297 | return false; | |
3298 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) | |
3299 | return false; | |
3300 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, | |
3301 | &F2FS_I(inode)->i_crtime)) | |
3302 | return false; | |
3303 | return true; | |
3304 | } | |
3305 | ||
26787236 JK |
3306 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
3307 | { | |
a0d00fad CY |
3308 | bool ret; |
3309 | ||
26787236 JK |
3310 | if (dsync) { |
3311 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
3312 | |
3313 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
3314 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
3315 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
3316 | return ret; | |
3317 | } | |
3318 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
3319 | file_keep_isize(inode) || | |
235831d7 | 3320 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 3321 | return false; |
a0d00fad | 3322 | |
fe1897ea | 3323 | if (!f2fs_is_time_consistent(inode)) |
214c2461 JK |
3324 | return false; |
3325 | ||
c10c9820 | 3326 | spin_lock(&F2FS_I(inode)->i_size_lock); |
a0d00fad | 3327 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
c10c9820 | 3328 | spin_unlock(&F2FS_I(inode)->i_size_lock); |
a0d00fad CY |
3329 | |
3330 | return ret; | |
b5492af7 JK |
3331 | } |
3332 | ||
deeedd71 | 3333 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 3334 | { |
deeedd71 | 3335 | return sb_rdonly(sb); |
77888c1e JK |
3336 | } |
3337 | ||
1e968fdf JK |
3338 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
3339 | { | |
aaec2b1d | 3340 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
3341 | } |
3342 | ||
43c780ba | 3343 | static inline bool is_dot_dotdot(const u8 *name, size_t len) |
eaa693f4 | 3344 | { |
43c780ba | 3345 | if (len == 1 && name[0] == '.') |
eaa693f4 JK |
3346 | return true; |
3347 | ||
43c780ba | 3348 | if (len == 2 && name[0] == '.' && name[1] == '.') |
eaa693f4 JK |
3349 | return true; |
3350 | ||
3351 | return false; | |
3352 | } | |
3353 | ||
1ecc0c5c CY |
3354 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
3355 | size_t size, gfp_t flags) | |
0414b004 | 3356 | { |
55523519 | 3357 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
c45d6002 | 3358 | f2fs_show_injection_info(sbi, FAULT_KMALLOC); |
2c63fead | 3359 | return NULL; |
55523519 | 3360 | } |
7fa750a1 | 3361 | |
0b6d4ca0 | 3362 | return kmalloc(size, flags); |
0414b004 JK |
3363 | } |
3364 | ||
acbf054d CY |
3365 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
3366 | size_t size, gfp_t flags) | |
3367 | { | |
3368 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
3369 | } | |
3370 | ||
628b3d14 CY |
3371 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
3372 | size_t size, gfp_t flags) | |
3373 | { | |
628b3d14 | 3374 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
c45d6002 | 3375 | f2fs_show_injection_info(sbi, FAULT_KVMALLOC); |
628b3d14 CY |
3376 | return NULL; |
3377 | } | |
7fa750a1 | 3378 | |
628b3d14 CY |
3379 | return kvmalloc(size, flags); |
3380 | } | |
3381 | ||
3382 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
3383 | size_t size, gfp_t flags) | |
3384 | { | |
3385 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
3386 | } | |
3387 | ||
7a2af766 | 3388 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 3389 | { |
7a2af766 | 3390 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
3391 | } |
3392 | ||
6afc662e CY |
3393 | static inline int get_inline_xattr_addrs(struct inode *inode) |
3394 | { | |
3395 | return F2FS_I(inode)->i_inline_xattr_size; | |
3396 | } | |
3397 | ||
4d57b86d | 3398 | #define f2fs_get_inode_mode(i) \ |
91942321 | 3399 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
3400 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
3401 | ||
7a2af766 CY |
3402 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
3403 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
3404 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
3405 | ||
5c57132e CY |
3406 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
3407 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 3408 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 3409 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 3410 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 3411 | |
2c70c5e3 CY |
3412 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
3413 | ||
6dc3a126 | 3414 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 3415 | |
e1da7872 CY |
3416 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3417 | block_t blkaddr, int type); | |
e1da7872 CY |
3418 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
3419 | block_t blkaddr, int type) | |
3420 | { | |
3421 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
dcbb4c10 JP |
3422 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", |
3423 | blkaddr, type); | |
e1da7872 CY |
3424 | f2fs_bug_on(sbi, 1); |
3425 | } | |
3426 | } | |
3427 | ||
3428 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 | 3429 | { |
4c8ff709 CY |
3430 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || |
3431 | blkaddr == COMPRESS_ADDR) | |
7b525dd0 CY |
3432 | return false; |
3433 | return true; | |
3434 | } | |
3435 | ||
39a53e0c JK |
3436 | /* |
3437 | * file.c | |
3438 | */ | |
cac5a3d8 | 3439 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 3440 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
3265d3db | 3441 | int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock); |
c42d28ce | 3442 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 3443 | int f2fs_truncate(struct inode *inode); |
549c7297 CB |
3444 | int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path, |
3445 | struct kstat *stat, u32 request_mask, unsigned int flags); | |
3446 | int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, | |
3447 | struct iattr *attr); | |
4d57b86d CY |
3448 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
3449 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 3450 | int f2fs_precache_extents(struct inode *inode); |
9b1bb01c MS |
3451 | int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa); |
3452 | int f2fs_fileattr_set(struct user_namespace *mnt_userns, | |
3453 | struct dentry *dentry, struct fileattr *fa); | |
cac5a3d8 DS |
3454 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
3455 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 3456 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 3457 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
3458 | |
3459 | /* | |
3460 | * inode.c | |
3461 | */ | |
cac5a3d8 | 3462 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
3463 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
3464 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
3465 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
3466 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
3467 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
3468 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
3469 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
3470 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
3471 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 3472 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
3473 | |
3474 | /* | |
3475 | * namei.c | |
3476 | */ | |
4d57b86d | 3477 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 3478 | bool hot, bool set); |
39a53e0c | 3479 | struct dentry *f2fs_get_parent(struct dentry *child); |
3db1de0e DJ |
3480 | int f2fs_get_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, |
3481 | struct inode **new_inode); | |
39a53e0c JK |
3482 | |
3483 | /* | |
3484 | * dir.c | |
3485 | */ | |
4d57b86d | 3486 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
43c780ba EB |
3487 | int f2fs_init_casefolded_name(const struct inode *dir, |
3488 | struct f2fs_filename *fname); | |
3489 | int f2fs_setup_filename(struct inode *dir, const struct qstr *iname, | |
3490 | int lookup, struct f2fs_filename *fname); | |
3491 | int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry, | |
3492 | struct f2fs_filename *fname); | |
3493 | void f2fs_free_filename(struct f2fs_filename *fname); | |
3494 | struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d, | |
3495 | const struct f2fs_filename *fname, int *max_slots); | |
cac5a3d8 DS |
3496 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, |
3497 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 3498 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3499 | struct f2fs_dentry_ptr *d); |
4d57b86d | 3500 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
43c780ba | 3501 | const struct f2fs_filename *fname, struct page *dpage); |
4d57b86d | 3502 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 3503 | unsigned int current_depth); |
4d57b86d | 3504 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
3505 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
3506 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
43c780ba EB |
3507 | const struct f2fs_filename *fname, |
3508 | struct page **res_page); | |
cac5a3d8 DS |
3509 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, |
3510 | const struct qstr *child, struct page **res_page); | |
3511 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
3512 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
3513 | struct page **page); | |
3514 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
3515 | struct page *page, struct inode *inode); | |
b06af2af | 3516 | bool f2fs_has_enough_room(struct inode *dir, struct page *ipage, |
43c780ba | 3517 | const struct f2fs_filename *fname); |
cac5a3d8 | 3518 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
43c780ba | 3519 | const struct fscrypt_str *name, f2fs_hash_t name_hash, |
cac5a3d8 | 3520 | unsigned int bit_pos); |
43c780ba | 3521 | int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3522 | struct inode *inode, nid_t ino, umode_t mode); |
43c780ba | 3523 | int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3524 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 3525 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
3526 | struct inode *inode, nid_t ino, umode_t mode); |
3527 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3528 | struct inode *dir, struct inode *inode); | |
3529 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
3530 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 3531 | |
b7f7a5e0 AV |
3532 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
3533 | { | |
bfc2b7e8 EB |
3534 | if (fscrypt_is_nokey_name(dentry)) |
3535 | return -ENOKEY; | |
4d57b86d | 3536 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 3537 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
3538 | } |
3539 | ||
39a53e0c JK |
3540 | /* |
3541 | * super.c | |
3542 | */ | |
cac5a3d8 DS |
3543 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
3544 | void f2fs_inode_synced(struct inode *inode); | |
10a26878 | 3545 | int f2fs_dquot_initialize(struct inode *inode); |
ea676733 | 3546 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 3547 | int f2fs_quota_sync(struct super_block *sb, int type); |
6d1451bf | 3548 | loff_t max_file_blocks(struct inode *inode); |
4b2414d0 | 3549 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
3550 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3551 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
4d57b86d | 3552 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3553 | |
3554 | /* | |
3555 | * hash.c | |
3556 | */ | |
43c780ba | 3557 | void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname); |
39a53e0c JK |
3558 | |
3559 | /* | |
3560 | * node.c | |
3561 | */ | |
39a53e0c JK |
3562 | struct node_info; |
3563 | ||
4d57b86d CY |
3564 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3565 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3566 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3567 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3568 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3569 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3570 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3571 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3572 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3573 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
a9419b63 | 3574 | struct node_info *ni, bool checkpoint_context); |
4d57b86d CY |
3575 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); |
3576 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3577 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3578 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3579 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3580 | unsigned int seq_id); | |
94c821fb | 3581 | bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3582 | int f2fs_remove_inode_page(struct inode *inode); |
3583 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3584 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3585 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3586 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3587 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3588 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
68e79baf | 3589 | void f2fs_flush_inline_data(struct f2fs_sb_info *sbi); |
4d57b86d | 3590 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3591 | struct writeback_control *wbc, bool atomic, |
3592 | unsigned int *seq_id); | |
4d57b86d CY |
3593 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3594 | struct writeback_control *wbc, | |
b0af6d49 | 3595 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3596 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3597 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3598 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3599 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3600 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
9627a7b3 | 3601 | int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); |
4d57b86d CY |
3602 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); |
3603 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3604 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3605 | unsigned int segno, struct f2fs_summary_block *sum); |
94c821fb | 3606 | void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi); |
edc55aaf | 3607 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3608 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3609 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3610 | int __init f2fs_create_node_manager_caches(void); | |
3611 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3612 | |
3613 | /* | |
3614 | * segment.c | |
3615 | */ | |
4d57b86d | 3616 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3db1de0e DJ |
3617 | int f2fs_commit_atomic_write(struct inode *inode); |
3618 | void f2fs_abort_atomic_write(struct inode *inode, bool clean); | |
cac5a3d8 | 3619 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
7bcd0cfa | 3620 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); |
39d787be | 3621 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3622 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3623 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3624 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3625 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3626 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d674904 | 3627 | int f2fs_start_discard_thread(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3628 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); |
3629 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3630 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3631 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3632 | struct cp_control *cpc); | |
4354994f | 3633 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
4d3aed70 DR |
3634 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); |
3635 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); | |
4d57b86d CY |
3636 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3637 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
61461fc9 | 3638 | bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno); |
093749e2 CY |
3639 | void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi); |
3640 | void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi); | |
3641 | void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi); | |
3642 | void f2fs_get_new_segment(struct f2fs_sb_info *sbi, | |
3643 | unsigned int *newseg, bool new_sec, int dir); | |
0ef81833 | 3644 | void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, |
04f0b2ea | 3645 | unsigned int start, unsigned int end); |
509f1010 | 3646 | void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force); |
901d745f | 3647 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3648 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3649 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3650 | struct cp_control *cpc); | |
3651 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3652 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3653 | block_t blk_addr); | |
3654 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3655 | enum iostat_type io_type); |
4d57b86d CY |
3656 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3657 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3658 | struct f2fs_io_info *fio); | |
3659 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3660 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 | 3661 | block_t old_blkaddr, block_t new_blkaddr, |
c5d02785 CY |
3662 | bool recover_curseg, bool recover_newaddr, |
3663 | bool from_gc); | |
cac5a3d8 DS |
3664 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, |
3665 | block_t old_addr, block_t new_addr, | |
3666 | unsigned char version, bool recover_curseg, | |
3667 | bool recover_newaddr); | |
4d57b86d | 3668 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3669 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 | 3670 | struct f2fs_summary *sum, int type, |
f608c38c | 3671 | struct f2fs_io_info *fio); |
71f2c820 CY |
3672 | void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino, |
3673 | block_t blkaddr, unsigned int blkcnt); | |
cac5a3d8 | 3674 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3675 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3676 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3677 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3678 | block_t len); | |
4d57b86d CY |
3679 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3680 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3681 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3682 | unsigned int val, int alloc); |
4d57b86d | 3683 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
c426d991 | 3684 | int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi); |
d508c94e | 3685 | int f2fs_check_write_pointer(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3686 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); |
3687 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3688 | int __init f2fs_create_segment_manager_caches(void); | |
3689 | void f2fs_destroy_segment_manager_caches(void); | |
3690 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
de881df9 AR |
3691 | unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi, |
3692 | unsigned int segno); | |
3693 | unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi, | |
3694 | unsigned int segno); | |
39a53e0c | 3695 | |
6691d940 DJ |
3696 | #define DEF_FRAGMENT_SIZE 4 |
3697 | #define MIN_FRAGMENT_SIZE 1 | |
3698 | #define MAX_FRAGMENT_SIZE 512 | |
3699 | ||
3700 | static inline bool f2fs_need_rand_seg(struct f2fs_sb_info *sbi) | |
3701 | { | |
3702 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG || | |
3703 | F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK; | |
3704 | } | |
3705 | ||
39a53e0c JK |
3706 | /* |
3707 | * checkpoint.c | |
3708 | */ | |
cac5a3d8 | 3709 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
3710 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3711 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
86f33603 | 3712 | struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3713 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3714 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3715 | block_t blkaddr, int type); | |
4d57b86d | 3716 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3717 | int type, bool sync); |
430f163b CY |
3718 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index, |
3719 | unsigned int ra_blocks); | |
4d57b86d | 3720 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, |
b0af6d49 | 3721 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3722 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3723 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3724 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3725 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3726 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3727 | unsigned int devidx, int type); |
4d57b86d | 3728 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3729 | unsigned int devidx, int type); |
cac5a3d8 | 3730 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3731 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3732 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3733 | void f2fs_add_orphan_inode(struct inode *inode); | |
3734 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3735 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3736 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
4f5e34f7 | 3737 | void f2fs_update_dirty_folio(struct inode *inode, struct folio *folio); |
4d57b86d CY |
3738 | void f2fs_remove_dirty_inode(struct inode *inode); |
3739 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
bf22c3cc | 3740 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); |
3a0a9cbc | 3741 | u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3742 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3743 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3744 | int __init f2fs_create_checkpoint_caches(void); | |
3745 | void f2fs_destroy_checkpoint_caches(void); | |
261eeb9c DJ |
3746 | int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi); |
3747 | int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi); | |
3748 | void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi); | |
3749 | void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3750 | |
3751 | /* | |
3752 | * data.c | |
3753 | */ | |
f543805f CY |
3754 | int __init f2fs_init_bioset(void); |
3755 | void f2fs_destroy_bioset(void); | |
0b20fcec CY |
3756 | int f2fs_init_bio_entry_cache(void); |
3757 | void f2fs_destroy_bio_entry_cache(void); | |
4c8ff709 CY |
3758 | void f2fs_submit_bio(struct f2fs_sb_info *sbi, |
3759 | struct bio *bio, enum page_type type); | |
908ea654 | 3760 | int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi); |
b9109b0e JK |
3761 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3762 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3763 | struct inode *inode, struct page *page, |
3764 | nid_t ino, enum page_type type); | |
0b20fcec CY |
3765 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, |
3766 | struct bio **bio, struct page *page); | |
b9109b0e | 3767 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3768 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3769 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3770 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 | 3771 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
5189810a | 3772 | block_t blk_addr, sector_t *sector); |
cac5a3d8 | 3773 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); |
4d57b86d | 3774 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3775 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3776 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3777 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 | 3778 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
cac5a3d8 | 3779 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); |
4d57b86d | 3780 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
7649c873 | 3781 | blk_opf_t op_flags, bool for_write); |
4d57b86d CY |
3782 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3783 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3784 | bool for_write); |
4d57b86d | 3785 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3786 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3787 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
0ef81833 | 3788 | void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3789 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3790 | int create, int flag); | |
3791 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3792 | u64 start, u64 len); | |
4c8ff709 | 3793 | int f2fs_encrypt_one_page(struct f2fs_io_info *fio); |
4d57b86d CY |
3794 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3795 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
4c8ff709 CY |
3796 | int f2fs_write_single_data_page(struct page *page, int *submitted, |
3797 | struct bio **bio, sector_t *last_block, | |
3798 | struct writeback_control *wbc, | |
3799 | enum iostat_type io_type, | |
3afae09f | 3800 | int compr_blocks, bool allow_balance); |
a1e09b03 | 3801 | void f2fs_write_failed(struct inode *inode, loff_t to); |
91503996 | 3802 | void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length); |
c26cd045 | 3803 | bool f2fs_release_folio(struct folio *folio, gfp_t wait); |
b91050a8 | 3804 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3805 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
4c8ff709 CY |
3806 | int f2fs_init_post_read_processing(void); |
3807 | void f2fs_destroy_post_read_processing(void); | |
3808 | int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi); | |
3809 | void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi); | |
1517c1a7 | 3810 | extern const struct iomap_ops f2fs_iomap_ops; |
39a53e0c JK |
3811 | |
3812 | /* | |
3813 | * gc.c | |
3814 | */ | |
4d57b86d CY |
3815 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3816 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3817 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
d147ea4a | 3818 | int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control); |
4d57b86d | 3819 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
04f0b2ea | 3820 | int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); |
093749e2 CY |
3821 | int __init f2fs_create_garbage_collection_cache(void); |
3822 | void f2fs_destroy_garbage_collection_cache(void); | |
39a53e0c JK |
3823 | |
3824 | /* | |
3825 | * recovery.c | |
3826 | */ | |
4d57b86d CY |
3827 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3828 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
cad83c96 CY |
3829 | int __init f2fs_create_recovery_cache(void); |
3830 | void f2fs_destroy_recovery_cache(void); | |
39a53e0c JK |
3831 | |
3832 | /* | |
3833 | * debug.c | |
3834 | */ | |
3835 | #ifdef CONFIG_F2FS_STAT_FS | |
3836 | struct f2fs_stat_info { | |
3837 | struct list_head stat_list; | |
3838 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3839 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3840 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3841 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3842 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3843 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3844 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3845 | int ndirty_data, ndirty_qdata; | |
2c8a4a28 | 3846 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3847 | int nats, dirty_nats, sits, dirty_sits; |
3848 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3849 | int total_count, utilization; |
8b8dd65f | 3850 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3851 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3852 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3853 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3854 | int nr_flushing, nr_flushed, flush_list_empty; |
3855 | int nr_discarding, nr_discarded; | |
5f32366a | 3856 | int nr_discard_cmd; |
d84d1cbd | 3857 | unsigned int undiscard_blks; |
261eeb9c DJ |
3858 | int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt; |
3859 | unsigned int cur_ckpt_time, peak_ckpt_time; | |
a00861db | 3860 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
ae999bb9 DJ |
3861 | int compr_inode; |
3862 | unsigned long long compr_blocks; | |
7bc155fe | 3863 | int aw_cnt, max_aw_cnt; |
f83a2584 | 3864 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3865 | unsigned int bimodal, avg_vblocks; |
3866 | int util_free, util_valid, util_invalid; | |
3867 | int rsvd_segs, overp_segs; | |
6ce19aff CY |
3868 | int dirty_count, node_pages, meta_pages, compress_pages; |
3869 | int compress_page_hit; | |
42190d2a | 3870 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3871 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3872 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3873 | int tot_blks, data_blks, node_blks; |
e1235983 | 3874 | int bg_data_blks, bg_node_blks; |
39a53e0c JK |
3875 | int curseg[NR_CURSEG_TYPE]; |
3876 | int cursec[NR_CURSEG_TYPE]; | |
3877 | int curzone[NR_CURSEG_TYPE]; | |
0759e2c1 CY |
3878 | unsigned int dirty_seg[NR_CURSEG_TYPE]; |
3879 | unsigned int full_seg[NR_CURSEG_TYPE]; | |
3880 | unsigned int valid_blks[NR_CURSEG_TYPE]; | |
39a53e0c | 3881 | |
b63e7be5 | 3882 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3883 | unsigned int segment_count[2]; |
3884 | unsigned int block_count[2]; | |
b9a2c252 | 3885 | unsigned int inplace_count; |
9edcdabf | 3886 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3887 | }; |
3888 | ||
963d4f7d GZ |
3889 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3890 | { | |
6c311ec6 | 3891 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3892 | } |
3893 | ||
942e0be6 | 3894 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3895 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 | 3896 | #define stat_inc_call_count(si) ((si)->call_count++) |
fc7100ea | 3897 | #define stat_inc_bggc_count(si) ((si)->bg_gc++) |
274bd9ba CY |
3898 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3899 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3900 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3901 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3902 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3903 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3904 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3905 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3906 | #define stat_inc_inline_xattr(inode) \ |
3907 | do { \ | |
3908 | if (f2fs_has_inline_xattr(inode)) \ | |
3909 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3910 | } while (0) | |
3911 | #define stat_dec_inline_xattr(inode) \ | |
3912 | do { \ | |
3913 | if (f2fs_has_inline_xattr(inode)) \ | |
3914 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3915 | } while (0) | |
0dbdc2ae JK |
3916 | #define stat_inc_inline_inode(inode) \ |
3917 | do { \ | |
3918 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3919 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3920 | } while (0) |
3921 | #define stat_dec_inline_inode(inode) \ | |
3922 | do { \ | |
3923 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3924 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3925 | } while (0) |
3289c061 JK |
3926 | #define stat_inc_inline_dir(inode) \ |
3927 | do { \ | |
3928 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3929 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3930 | } while (0) |
3931 | #define stat_dec_inline_dir(inode) \ | |
3932 | do { \ | |
3933 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3934 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3935 | } while (0) |
4c8ff709 CY |
3936 | #define stat_inc_compr_inode(inode) \ |
3937 | do { \ | |
3938 | if (f2fs_compressed_file(inode)) \ | |
3939 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ | |
3940 | } while (0) | |
3941 | #define stat_dec_compr_inode(inode) \ | |
3942 | do { \ | |
3943 | if (f2fs_compressed_file(inode)) \ | |
3944 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ | |
3945 | } while (0) | |
3946 | #define stat_add_compr_blocks(inode, blocks) \ | |
ae999bb9 | 3947 | (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
4c8ff709 | 3948 | #define stat_sub_compr_blocks(inode, blocks) \ |
ae999bb9 | 3949 | (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
b63e7be5 CY |
3950 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3951 | do { \ | |
3952 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3953 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3954 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3955 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3956 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3957 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3958 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3959 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3960 | } while (0) | |
dcdfff65 JK |
3961 | #define stat_inc_seg_type(sbi, curseg) \ |
3962 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3963 | #define stat_inc_block_count(sbi, curseg) \ | |
3964 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3965 | #define stat_inc_inplace_blocks(sbi) \ |
3966 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c JK |
3967 | #define stat_update_max_atomic_write(inode) \ |
3968 | do { \ | |
0e6d0164 | 3969 | int cur = F2FS_I_SB(inode)->atomic_files; \ |
26a28a0c JK |
3970 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
3971 | if (cur > max) \ | |
3972 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3973 | } while (0) | |
e1235983 | 3974 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3975 | do { \ |
963d4f7d | 3976 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3977 | si->tot_segs++; \ |
3978 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3979 | si->data_segs++; \ |
e1235983 CL |
3980 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3981 | } else { \ | |
39a53e0c | 3982 | si->node_segs++; \ |
e1235983 CL |
3983 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3984 | } \ | |
39a53e0c JK |
3985 | } while (0) |
3986 | ||
3987 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3988 | ((si)->tot_blks += (blks)) |
39a53e0c | 3989 | |
e1235983 | 3990 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3991 | do { \ |
963d4f7d | 3992 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3993 | stat_inc_tot_blk_count(si, blks); \ |
3994 | si->data_blks += (blks); \ | |
68afcf2d | 3995 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3996 | } while (0) |
3997 | ||
e1235983 | 3998 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3999 | do { \ |
963d4f7d | 4000 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
4001 | stat_inc_tot_blk_count(si, blks); \ |
4002 | si->node_blks += (blks); \ | |
68afcf2d | 4003 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
4004 | } while (0) |
4005 | ||
cac5a3d8 DS |
4006 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
4007 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 4008 | void __init f2fs_create_root_stats(void); |
4589d25d | 4009 | void f2fs_destroy_root_stats(void); |
fc7100ea | 4010 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi); |
39a53e0c | 4011 | #else |
d66450e7 AB |
4012 | #define stat_inc_cp_count(si) do { } while (0) |
4013 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
4014 | #define stat_inc_call_count(si) do { } while (0) | |
4015 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
4016 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
4017 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
4018 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
4019 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
fc7100ea HV |
4020 | #define stat_inc_total_hit(sbi) do { } while (0) |
4021 | #define stat_inc_rbtree_node_hit(sbi) do { } while (0) | |
d66450e7 AB |
4022 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
4023 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
4024 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
4025 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
4026 | #define stat_inc_inline_inode(inode) do { } while (0) | |
4027 | #define stat_dec_inline_inode(inode) do { } while (0) | |
4028 | #define stat_inc_inline_dir(inode) do { } while (0) | |
4029 | #define stat_dec_inline_dir(inode) do { } while (0) | |
4c8ff709 CY |
4030 | #define stat_inc_compr_inode(inode) do { } while (0) |
4031 | #define stat_dec_compr_inode(inode) do { } while (0) | |
4032 | #define stat_add_compr_blocks(inode, blocks) do { } while (0) | |
4033 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0) | |
d66450e7 | 4034 | #define stat_update_max_atomic_write(inode) do { } while (0) |
b63e7be5 | 4035 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
4036 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
4037 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
4038 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
4039 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
4040 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
4041 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
4042 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
4043 | |
4044 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
4045 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 4046 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 4047 | static inline void f2fs_destroy_root_stats(void) { } |
48abe91a | 4048 | static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} |
39a53e0c JK |
4049 | #endif |
4050 | ||
4051 | extern const struct file_operations f2fs_dir_operations; | |
4052 | extern const struct file_operations f2fs_file_operations; | |
4053 | extern const struct inode_operations f2fs_file_inode_operations; | |
4054 | extern const struct address_space_operations f2fs_dblock_aops; | |
4055 | extern const struct address_space_operations f2fs_node_aops; | |
4056 | extern const struct address_space_operations f2fs_meta_aops; | |
4057 | extern const struct inode_operations f2fs_dir_inode_operations; | |
4058 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 4059 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 4060 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 4061 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 4062 | |
e18c65b2 HL |
4063 | /* |
4064 | * inline.c | |
4065 | */ | |
cac5a3d8 | 4066 | bool f2fs_may_inline_data(struct inode *inode); |
677a82b4 | 4067 | bool f2fs_sanity_check_inline_data(struct inode *inode); |
cac5a3d8 | 4068 | bool f2fs_may_inline_dentry(struct inode *inode); |
4d57b86d CY |
4069 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
4070 | void f2fs_truncate_inline_inode(struct inode *inode, | |
4071 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
4072 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
4073 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
4074 | int f2fs_convert_inline_inode(struct inode *inode); | |
b06af2af | 4075 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); |
cac5a3d8 | 4076 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
9627a7b3 | 4077 | int f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
4d57b86d | 4078 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, |
43c780ba EB |
4079 | const struct f2fs_filename *fname, |
4080 | struct page **res_page); | |
4d57b86d | 4081 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 4082 | struct page *ipage); |
43c780ba | 4083 | int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 4084 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d CY |
4085 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
4086 | struct page *page, struct inode *dir, | |
4087 | struct inode *inode); | |
cac5a3d8 DS |
4088 | bool f2fs_empty_inline_dir(struct inode *dir); |
4089 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
4090 | struct fscrypt_str *fstr); | |
4091 | int f2fs_inline_data_fiemap(struct inode *inode, | |
4092 | struct fiemap_extent_info *fieinfo, | |
4093 | __u64 start, __u64 len); | |
cde4de12 | 4094 | |
2658e50d JK |
4095 | /* |
4096 | * shrinker.c | |
4097 | */ | |
cac5a3d8 DS |
4098 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
4099 | struct shrink_control *sc); | |
4100 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
4101 | struct shrink_control *sc); | |
4102 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
4103 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 4104 | |
a28ef1f5 CY |
4105 | /* |
4106 | * extent_cache.c | |
4107 | */ | |
4dada3fd | 4108 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 4109 | struct rb_entry *cached_re, unsigned int ofs); |
2e9b2bb2 CY |
4110 | struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi, |
4111 | struct rb_root_cached *root, | |
4112 | struct rb_node **parent, | |
4113 | unsigned long long key, bool *left_most); | |
4d57b86d | 4114 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
4115 | struct rb_root_cached *root, |
4116 | struct rb_node **parent, | |
4117 | unsigned int ofs, bool *leftmost); | |
4118 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
4119 | struct rb_entry *cached_re, unsigned int ofs, |
4120 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
4121 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 4122 | bool force, bool *leftmost); |
4d57b86d | 4123 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
2e9b2bb2 | 4124 | struct rb_root_cached *root, bool check_key); |
cac5a3d8 | 4125 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
a6d601f3 | 4126 | void f2fs_init_extent_tree(struct inode *inode, struct page *ipage); |
cac5a3d8 DS |
4127 | void f2fs_drop_extent_tree(struct inode *inode); |
4128 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
4129 | void f2fs_destroy_extent_tree(struct inode *inode); | |
4130 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
4131 | struct extent_info *ei); | |
4132 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 4133 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 4134 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
4135 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
4136 | int __init f2fs_create_extent_cache(void); | |
4137 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 4138 | |
8ceffcb2 CY |
4139 | /* |
4140 | * sysfs.c | |
4141 | */ | |
0f6b56ec DJ |
4142 | #define MIN_RA_MUL 2 |
4143 | #define MAX_RA_MUL 256 | |
4144 | ||
dc6b2055 JK |
4145 | int __init f2fs_init_sysfs(void); |
4146 | void f2fs_exit_sysfs(void); | |
4147 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
4148 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 4149 | |
95ae251f EB |
4150 | /* verity.c */ |
4151 | extern const struct fsverity_operations f2fs_verityops; | |
4152 | ||
cde4de12 JK |
4153 | /* |
4154 | * crypto support | |
4155 | */ | |
1958593e JK |
4156 | static inline bool f2fs_encrypted_file(struct inode *inode) |
4157 | { | |
62230e0d | 4158 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
4159 | } |
4160 | ||
cde4de12 JK |
4161 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
4162 | { | |
643fa961 | 4163 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 4164 | file_set_encrypt(inode); |
9149a5eb | 4165 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
4166 | #endif |
4167 | } | |
4168 | ||
6dbb1796 EB |
4169 | /* |
4170 | * Returns true if the reads of the inode's data need to undergo some | |
4171 | * postprocessing step, like decryption or authenticity verification. | |
4172 | */ | |
4173 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 4174 | { |
4c8ff709 CY |
4175 | return f2fs_encrypted_file(inode) || fsverity_active(inode) || |
4176 | f2fs_compressed_file(inode); | |
4177 | } | |
4178 | ||
4179 | /* | |
4180 | * compress.c | |
4181 | */ | |
4182 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
4183 | bool f2fs_is_compressed_page(struct page *page); | |
4184 | struct page *f2fs_compress_control_page(struct page *page); | |
4185 | int f2fs_prepare_compress_overwrite(struct inode *inode, | |
4186 | struct page **pagep, pgoff_t index, void **fsdata); | |
4187 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata, | |
4188 | pgoff_t index, unsigned copied); | |
3265d3db | 4189 | int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock); |
4c8ff709 CY |
4190 | void f2fs_compress_write_end_io(struct bio *bio, struct page *page); |
4191 | bool f2fs_is_compress_backend_ready(struct inode *inode); | |
5e6bbde9 CY |
4192 | int f2fs_init_compress_mempool(void); |
4193 | void f2fs_destroy_compress_mempool(void); | |
bff139b4 | 4194 | void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task); |
6ce19aff | 4195 | void f2fs_end_read_compressed_page(struct page *page, bool failed, |
bff139b4 | 4196 | block_t blkaddr, bool in_task); |
4c8ff709 CY |
4197 | bool f2fs_cluster_is_empty(struct compress_ctx *cc); |
4198 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); | |
01fc4b9a | 4199 | bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, |
4f8219f8 | 4200 | int index, int nr_pages, bool uptodate); |
bbe1da7e | 4201 | bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); |
4c8ff709 CY |
4202 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); |
4203 | int f2fs_write_multi_pages(struct compress_ctx *cc, | |
4204 | int *submitted, | |
4205 | struct writeback_control *wbc, | |
4206 | enum iostat_type io_type); | |
4207 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); | |
94afd6d6 CY |
4208 | void f2fs_update_extent_tree_range_compressed(struct inode *inode, |
4209 | pgoff_t fofs, block_t blkaddr, unsigned int llen, | |
4210 | unsigned int c_len); | |
4c8ff709 CY |
4211 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, |
4212 | unsigned nr_pages, sector_t *last_block_in_bio, | |
0683728a | 4213 | bool is_readahead, bool for_write); |
4c8ff709 | 4214 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); |
bff139b4 DJ |
4215 | void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed, |
4216 | bool in_task); | |
4217 | void f2fs_put_page_dic(struct page *page, bool in_task); | |
94afd6d6 | 4218 | unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn); |
4c8ff709 | 4219 | int f2fs_init_compress_ctx(struct compress_ctx *cc); |
8bfbfb0d | 4220 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); |
4c8ff709 | 4221 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi); |
6ce19aff CY |
4222 | int f2fs_init_compress_inode(struct f2fs_sb_info *sbi); |
4223 | void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi); | |
31083031 CY |
4224 | int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); |
4225 | void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); | |
c68d6c88 CY |
4226 | int __init f2fs_init_compress_cache(void); |
4227 | void f2fs_destroy_compress_cache(void); | |
6ce19aff CY |
4228 | struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi); |
4229 | void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4230 | void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page, | |
4231 | nid_t ino, block_t blkaddr); | |
4232 | bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page, | |
4233 | block_t blkaddr); | |
4234 | void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino); | |
5ac443e2 DJ |
4235 | #define inc_compr_inode_stat(inode) \ |
4236 | do { \ | |
4237 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4238 | sbi->compr_new_inode++; \ | |
4239 | } while (0) | |
4240 | #define add_compr_block_stat(inode, blocks) \ | |
4241 | do { \ | |
4242 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4243 | int diff = F2FS_I(inode)->i_cluster_size - blocks; \ | |
4244 | sbi->compr_written_block += blocks; \ | |
4245 | sbi->compr_saved_block += diff; \ | |
4246 | } while (0) | |
4c8ff709 CY |
4247 | #else |
4248 | static inline bool f2fs_is_compressed_page(struct page *page) { return false; } | |
4249 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode) | |
4250 | { | |
4251 | if (!f2fs_compressed_file(inode)) | |
4252 | return true; | |
4253 | /* not support compression */ | |
4254 | return false; | |
4255 | } | |
4256 | static inline struct page *f2fs_compress_control_page(struct page *page) | |
4257 | { | |
4258 | WARN_ON_ONCE(1); | |
4259 | return ERR_PTR(-EINVAL); | |
4260 | } | |
5e6bbde9 CY |
4261 | static inline int f2fs_init_compress_mempool(void) { return 0; } |
4262 | static inline void f2fs_destroy_compress_mempool(void) { } | |
bff139b4 DJ |
4263 | static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic, |
4264 | bool in_task) { } | |
6ce19aff | 4265 | static inline void f2fs_end_read_compressed_page(struct page *page, |
bff139b4 | 4266 | bool failed, block_t blkaddr, bool in_task) |
7f59b277 EB |
4267 | { |
4268 | WARN_ON_ONCE(1); | |
4269 | } | |
bff139b4 | 4270 | static inline void f2fs_put_page_dic(struct page *page, bool in_task) |
7f59b277 EB |
4271 | { |
4272 | WARN_ON_ONCE(1); | |
4273 | } | |
94afd6d6 | 4274 | static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn) { return 0; } |
bbe1da7e | 4275 | static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; } |
6ce19aff CY |
4276 | static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; } |
4277 | static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { } | |
31083031 CY |
4278 | static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } |
4279 | static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } | |
c68d6c88 CY |
4280 | static inline int __init f2fs_init_compress_cache(void) { return 0; } |
4281 | static inline void f2fs_destroy_compress_cache(void) { } | |
6ce19aff CY |
4282 | static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, |
4283 | block_t blkaddr) { } | |
4284 | static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, | |
4285 | struct page *page, nid_t ino, block_t blkaddr) { } | |
4286 | static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, | |
4287 | struct page *page, block_t blkaddr) { return false; } | |
4288 | static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, | |
4289 | nid_t ino) { } | |
5ac443e2 | 4290 | #define inc_compr_inode_stat(inode) do { } while (0) |
94afd6d6 CY |
4291 | static inline void f2fs_update_extent_tree_range_compressed(struct inode *inode, |
4292 | pgoff_t fofs, block_t blkaddr, unsigned int llen, | |
4293 | unsigned int c_len) { } | |
4c8ff709 CY |
4294 | #endif |
4295 | ||
912f0d65 | 4296 | static inline int set_compress_context(struct inode *inode) |
4c8ff709 | 4297 | { |
912f0d65 | 4298 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
4299 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
4300 | ||
4301 | F2FS_I(inode)->i_compress_algorithm = | |
4302 | F2FS_OPTION(sbi).compress_algorithm; | |
4303 | F2FS_I(inode)->i_log_cluster_size = | |
4304 | F2FS_OPTION(sbi).compress_log_size; | |
b28f047b CY |
4305 | F2FS_I(inode)->i_compress_flag = |
4306 | F2FS_OPTION(sbi).compress_chksum ? | |
4307 | 1 << COMPRESS_CHKSUM : 0; | |
4c8ff709 CY |
4308 | F2FS_I(inode)->i_cluster_size = |
4309 | 1 << F2FS_I(inode)->i_log_cluster_size; | |
01f6afd0 CY |
4310 | if ((F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 || |
4311 | F2FS_I(inode)->i_compress_algorithm == COMPRESS_ZSTD) && | |
3fde13f8 CY |
4312 | F2FS_OPTION(sbi).compress_level) |
4313 | F2FS_I(inode)->i_compress_flag |= | |
4314 | F2FS_OPTION(sbi).compress_level << | |
4315 | COMPRESS_LEVEL_OFFSET; | |
4c8ff709 CY |
4316 | F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; |
4317 | set_inode_flag(inode, FI_COMPRESSED_FILE); | |
4318 | stat_inc_compr_inode(inode); | |
5ac443e2 | 4319 | inc_compr_inode_stat(inode); |
530e0704 | 4320 | f2fs_mark_inode_dirty_sync(inode, true); |
912f0d65 JK |
4321 | return 0; |
4322 | #else | |
4323 | return -EOPNOTSUPP; | |
4324 | #endif | |
4c8ff709 CY |
4325 | } |
4326 | ||
78134d03 | 4327 | static inline bool f2fs_disable_compressed_file(struct inode *inode) |
4c8ff709 CY |
4328 | { |
4329 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
4330 | ||
4331 | if (!f2fs_compressed_file(inode)) | |
78134d03 | 4332 | return true; |
02d58cd2 | 4333 | if (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode)) |
78134d03 | 4334 | return false; |
4c8ff709 CY |
4335 | |
4336 | fi->i_flags &= ~F2FS_COMPR_FL; | |
4c8ff709 | 4337 | stat_dec_compr_inode(inode); |
96f5b4fa | 4338 | clear_inode_flag(inode, FI_COMPRESSED_FILE); |
530e0704 | 4339 | f2fs_mark_inode_dirty_sync(inode, true); |
78134d03 | 4340 | return true; |
cde4de12 JK |
4341 | } |
4342 | ||
ccd31cb2 | 4343 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
7beb01f7 | 4344 | static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 4345 | { \ |
7beb01f7 | 4346 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
4347 | } |
4348 | ||
ccd31cb2 SY |
4349 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
4350 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
4351 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
4352 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
4353 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
4354 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
4355 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
4356 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 4357 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
95ae251f | 4358 | F2FS_FEATURE_FUNCS(verity, VERITY); |
d440c52d | 4359 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
5aba5430 | 4360 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD); |
4c8ff709 | 4361 | F2FS_FEATURE_FUNCS(compression, COMPRESSION); |
a7d9fe3c | 4362 | F2FS_FEATURE_FUNCS(readonly, RO); |
1c1d35df | 4363 | |
4215d054 DJ |
4364 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
4365 | { | |
4366 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4367 | ||
4368 | if (!test_opt(sbi, EXTENT_CACHE) || | |
4369 | is_inode_flag_set(inode, FI_NO_EXTENT) || | |
4370 | (is_inode_flag_set(inode, FI_COMPRESSED_FILE) && | |
4371 | !f2fs_sb_has_readonly(sbi))) | |
4372 | return false; | |
4373 | ||
4374 | /* | |
4375 | * for recovered files during mount do not create extents | |
4376 | * if shrinker is not registered. | |
4377 | */ | |
4378 | if (list_empty(&sbi->s_list)) | |
4379 | return false; | |
4380 | ||
4381 | return S_ISREG(inode->i_mode); | |
4382 | } | |
4383 | ||
178053e2 | 4384 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
4385 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
4386 | block_t blkaddr) | |
178053e2 DLM |
4387 | { |
4388 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
4389 | ||
95175daf | 4390 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
4391 | } |
4392 | #endif | |
4393 | ||
7d20c8ab | 4394 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 4395 | { |
7beb01f7 | 4396 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 4397 | } |
96ba2dec | 4398 | |
7f3d7719 DLM |
4399 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
4400 | { | |
70200574 | 4401 | return bdev_max_discard_sectors(bdev) || bdev_is_zoned(bdev); |
7f3d7719 DLM |
4402 | } |
4403 | ||
7d20c8ab CY |
4404 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
4405 | { | |
7f3d7719 DLM |
4406 | int i; |
4407 | ||
4408 | if (!f2fs_is_multi_device(sbi)) | |
4409 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
4410 | ||
4411 | for (i = 0; i < sbi->s_ndevs; i++) | |
4412 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
4413 | return true; | |
4414 | return false; | |
7d20c8ab CY |
4415 | } |
4416 | ||
4417 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
4418 | { | |
4419 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
4420 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
4421 | } |
4422 | ||
f824deb5 CY |
4423 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
4424 | { | |
4425 | int i; | |
4426 | ||
4427 | if (!f2fs_is_multi_device(sbi)) | |
4428 | return bdev_read_only(sbi->sb->s_bdev); | |
4429 | ||
4430 | for (i = 0; i < sbi->s_ndevs; i++) | |
4431 | if (bdev_read_only(FDEV(i).bdev)) | |
4432 | return true; | |
4433 | return false; | |
4434 | } | |
4435 | ||
b0332a0f | 4436 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) |
52763a4b | 4437 | { |
b0332a0f | 4438 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; |
52763a4b JK |
4439 | } |
4440 | ||
7a8fc586 DJ |
4441 | static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi) |
4442 | { | |
4443 | return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW; | |
4444 | } | |
4445 | ||
4c8ff709 CY |
4446 | static inline bool f2fs_may_compress(struct inode *inode) |
4447 | { | |
4448 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || | |
7165841d | 4449 | f2fs_is_atomic_file(inode) || f2fs_has_inline_data(inode)) |
4c8ff709 CY |
4450 | return false; |
4451 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); | |
4452 | } | |
4453 | ||
4454 | static inline void f2fs_i_compr_blocks_update(struct inode *inode, | |
4455 | u64 blocks, bool add) | |
4456 | { | |
c2759eba | 4457 | struct f2fs_inode_info *fi = F2FS_I(inode); |
054cb289 | 4458 | int diff = fi->i_cluster_size - blocks; |
4c8ff709 | 4459 | |
ef8d563f | 4460 | /* don't update i_compr_blocks if saved blocks were released */ |
c2759eba | 4461 | if (!add && !atomic_read(&fi->i_compr_blocks)) |
ef8d563f CY |
4462 | return; |
4463 | ||
4c8ff709 | 4464 | if (add) { |
c2759eba | 4465 | atomic_add(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4466 | stat_add_compr_blocks(inode, diff); |
4467 | } else { | |
c2759eba | 4468 | atomic_sub(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4469 | stat_sub_compr_blocks(inode, diff); |
4470 | } | |
4471 | f2fs_mark_inode_dirty_sync(inode, true); | |
4472 | } | |
4473 | ||
f847c699 CY |
4474 | static inline int block_unaligned_IO(struct inode *inode, |
4475 | struct kiocb *iocb, struct iov_iter *iter) | |
b91050a8 | 4476 | { |
f847c699 CY |
4477 | unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); |
4478 | unsigned int blocksize_mask = (1 << i_blkbits) - 1; | |
4479 | loff_t offset = iocb->ki_pos; | |
4480 | unsigned long align = offset | iov_iter_alignment(iter); | |
4481 | ||
4482 | return align & blocksize_mask; | |
4483 | } | |
4484 | ||
71f2c820 CY |
4485 | static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi, |
4486 | int flag) | |
4487 | { | |
4488 | if (!f2fs_is_multi_device(sbi)) | |
4489 | return false; | |
4490 | if (flag != F2FS_GET_BLOCK_DIO) | |
4491 | return false; | |
4492 | return sbi->aligned_blksize; | |
4493 | } | |
4494 | ||
f847c699 CY |
4495 | static inline bool f2fs_force_buffered_io(struct inode *inode, |
4496 | struct kiocb *iocb, struct iov_iter *iter) | |
4497 | { | |
4498 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4499 | int rw = iov_iter_rw(iter); | |
4500 | ||
8a2c77bc EB |
4501 | if (!fscrypt_dio_supported(iocb, iter)) |
4502 | return true; | |
4503 | if (fsverity_active(inode)) | |
4504 | return true; | |
4505 | if (f2fs_compressed_file(inode)) | |
f847c699 | 4506 | return true; |
71f2c820 CY |
4507 | |
4508 | /* disallow direct IO if any of devices has unaligned blksize */ | |
4509 | if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize) | |
f847c699 | 4510 | return true; |
dbf8e63f | 4511 | |
b0332a0f | 4512 | if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { |
9720ee80 CY |
4513 | if (block_unaligned_IO(inode, iocb, iter)) |
4514 | return true; | |
4515 | if (F2FS_IO_ALIGNED(sbi)) | |
4516 | return true; | |
4517 | } | |
ebc29b62 | 4518 | if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) |
4354994f DR |
4519 | return true; |
4520 | ||
f847c699 | 4521 | return false; |
b91050a8 HL |
4522 | } |
4523 | ||
7f59b277 EB |
4524 | static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx) |
4525 | { | |
4526 | return fsverity_active(inode) && | |
4527 | idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE); | |
4528 | } | |
4529 | ||
83a3bfdb | 4530 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
4531 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
4532 | unsigned int type); | |
83a3bfdb | 4533 | #else |
d494500a | 4534 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
4535 | #endif |
4536 | ||
af033b2a CY |
4537 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
4538 | { | |
4539 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 4540 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
4541 | return true; |
4542 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
4543 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
4544 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4545 | return true; | |
4546 | #endif | |
4547 | return false; | |
4548 | } | |
0af725fc | 4549 | |
4f993264 CY |
4550 | static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi) |
4551 | { | |
4552 | return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK; | |
4553 | } | |
4554 | ||
a64239d0 N |
4555 | static inline void f2fs_io_schedule_timeout(long timeout) |
4556 | { | |
4557 | set_current_state(TASK_UNINTERRUPTIBLE); | |
4558 | io_schedule_timeout(timeout); | |
4559 | } | |
4560 | ||
a7b8618a JK |
4561 | static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs, |
4562 | enum page_type type) | |
4563 | { | |
4564 | if (unlikely(f2fs_cp_error(sbi))) | |
4565 | return; | |
4566 | ||
4567 | if (ofs == sbi->page_eio_ofs[type]) { | |
4568 | if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO) | |
4569 | set_ckpt_flags(sbi, CP_ERROR_FLAG); | |
4570 | } else { | |
4571 | sbi->page_eio_ofs[type] = ofs; | |
4572 | sbi->page_eio_cnt[type] = 0; | |
4573 | } | |
4574 | } | |
4575 | ||
10f966bb CY |
4576 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
4577 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ | |
4578 | ||
e1074d4b | 4579 | #endif /* _LINUX_F2FS_H */ |