1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/uio.h>
12 #include <linux/types.h>
13 #include <linux/page-flags.h>
14 #include <linux/buffer_head.h>
15 #include <linux/slab.h>
16 #include <linux/crc32.h>
17 #include <linux/magic.h>
18 #include <linux/kobject.h>
19 #include <linux/sched.h>
20 #include <linux/cred.h>
21 #include <linux/sched/mm.h>
22 #include <linux/vmalloc.h>
23 #include <linux/bio.h>
24 #include <linux/blkdev.h>
25 #include <linux/quotaops.h>
26 #include <linux/part_stat.h>
27 #include <crypto/hash.h>
29 #include <linux/fscrypt.h>
30 #include <linux/fsverity.h>
34 #ifdef CONFIG_F2FS_CHECK_FS
35 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
37 #define f2fs_bug_on(sbi, condition) \
39 if (WARN_ON(condition)) \
40 set_sbi_flag(sbi, SBI_NEED_FSCK); \
49 FAULT_ALLOC_BIO
, /* it's obsolete due to bio_alloc() will never fail */
67 #ifdef CONFIG_F2FS_FAULT_INJECTION
68 #define F2FS_ALL_FAULT_TYPE (GENMASK(FAULT_MAX - 1, 0))
70 struct f2fs_fault_info
{
72 unsigned int inject_rate
;
73 unsigned int inject_type
;
76 extern const char *f2fs_fault_name
[FAULT_MAX
];
77 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & BIT(type))
83 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000001
84 #define F2FS_MOUNT_DISCARD 0x00000002
85 #define F2FS_MOUNT_NOHEAP 0x00000004
86 #define F2FS_MOUNT_XATTR_USER 0x00000008
87 #define F2FS_MOUNT_POSIX_ACL 0x00000010
88 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000020
89 #define F2FS_MOUNT_INLINE_XATTR 0x00000040
90 #define F2FS_MOUNT_INLINE_DATA 0x00000080
91 #define F2FS_MOUNT_INLINE_DENTRY 0x00000100
92 #define F2FS_MOUNT_FLUSH_MERGE 0x00000200
93 #define F2FS_MOUNT_NOBARRIER 0x00000400
94 #define F2FS_MOUNT_FASTBOOT 0x00000800
95 #define F2FS_MOUNT_READ_EXTENT_CACHE 0x00001000
96 #define F2FS_MOUNT_DATA_FLUSH 0x00002000
97 #define F2FS_MOUNT_FAULT_INJECTION 0x00004000
98 #define F2FS_MOUNT_USRQUOTA 0x00008000
99 #define F2FS_MOUNT_GRPQUOTA 0x00010000
100 #define F2FS_MOUNT_PRJQUOTA 0x00020000
101 #define F2FS_MOUNT_QUOTA 0x00040000
102 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00080000
103 #define F2FS_MOUNT_RESERVE_ROOT 0x00100000
104 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x00200000
105 #define F2FS_MOUNT_NORECOVERY 0x00400000
106 #define F2FS_MOUNT_ATGC 0x00800000
107 #define F2FS_MOUNT_MERGE_CHECKPOINT 0x01000000
108 #define F2FS_MOUNT_GC_MERGE 0x02000000
109 #define F2FS_MOUNT_COMPRESS_CACHE 0x04000000
110 #define F2FS_MOUNT_AGE_EXTENT_CACHE 0x08000000
112 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
113 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
114 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
115 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
117 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
118 typecheck(unsigned long long, b) && \
119 ((long long)((a) - (b)) > 0))
121 typedef u32 block_t
; /*
122 * should not change u32, since it is the on-disk block
123 * address format, __le32.
127 #define COMPRESS_EXT_NUM 16
130 * An implementation of an rwsem that is explicitly unfair to readers. This
131 * prevents priority inversion when a low-priority reader acquires the read lock
132 * while sleeping on the write lock but the write lock is needed by
133 * higher-priority clients.
137 struct rw_semaphore internal_rwsem
;
138 #ifdef CONFIG_F2FS_UNFAIR_RWSEM
139 wait_queue_head_t read_waiters
;
143 struct f2fs_mount_info
{
145 int write_io_size_bits
; /* Write IO size bits */
146 block_t root_reserved_blocks
; /* root reserved blocks */
147 kuid_t s_resuid
; /* reserved blocks for uid */
148 kgid_t s_resgid
; /* reserved blocks for gid */
149 int active_logs
; /* # of active logs */
150 int inline_xattr_size
; /* inline xattr size */
151 #ifdef CONFIG_F2FS_FAULT_INJECTION
152 struct f2fs_fault_info fault_info
; /* For fault injection */
155 /* Names of quota files with journalled quota */
156 char *s_qf_names
[MAXQUOTAS
];
157 int s_jquota_fmt
; /* Format of quota to use */
159 /* For which write hints are passed down to block layer */
160 int alloc_mode
; /* segment allocation policy */
161 int fsync_mode
; /* fsync policy */
162 int fs_mode
; /* fs mode: LFS or ADAPTIVE */
163 int bggc_mode
; /* bggc mode: off, on or sync */
164 int memory_mode
; /* memory mode */
165 int errors
; /* errors parameter */
167 * discard command's offset/size should
168 * be aligned to this unit: block,
171 struct fscrypt_dummy_policy dummy_enc_policy
; /* test dummy encryption */
172 block_t unusable_cap_perc
; /* percentage for cap */
173 block_t unusable_cap
; /* Amount of space allowed to be
174 * unusable when disabling checkpoint
177 /* For compression */
178 unsigned char compress_algorithm
; /* algorithm type */
179 unsigned char compress_log_size
; /* cluster log size */
180 unsigned char compress_level
; /* compress level */
181 bool compress_chksum
; /* compressed data chksum */
182 unsigned char compress_ext_cnt
; /* extension count */
183 unsigned char nocompress_ext_cnt
; /* nocompress extension count */
184 int compress_mode
; /* compression mode */
185 unsigned char extensions
[COMPRESS_EXT_NUM
][F2FS_EXTENSION_LEN
]; /* extensions */
186 unsigned char noextensions
[COMPRESS_EXT_NUM
][F2FS_EXTENSION_LEN
]; /* extensions */
189 #define F2FS_FEATURE_ENCRYPT 0x00000001
190 #define F2FS_FEATURE_BLKZONED 0x00000002
191 #define F2FS_FEATURE_ATOMIC_WRITE 0x00000004
192 #define F2FS_FEATURE_EXTRA_ATTR 0x00000008
193 #define F2FS_FEATURE_PRJQUOTA 0x00000010
194 #define F2FS_FEATURE_INODE_CHKSUM 0x00000020
195 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x00000040
196 #define F2FS_FEATURE_QUOTA_INO 0x00000080
197 #define F2FS_FEATURE_INODE_CRTIME 0x00000100
198 #define F2FS_FEATURE_LOST_FOUND 0x00000200
199 #define F2FS_FEATURE_VERITY 0x00000400
200 #define F2FS_FEATURE_SB_CHKSUM 0x00000800
201 #define F2FS_FEATURE_CASEFOLD 0x00001000
202 #define F2FS_FEATURE_COMPRESSION 0x00002000
203 #define F2FS_FEATURE_RO 0x00004000
205 #define __F2FS_HAS_FEATURE(raw_super, mask) \
206 ((raw_super->feature & cpu_to_le32(mask)) != 0)
207 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
210 * Default values for user and/or group using reserved blocks
212 #define F2FS_DEF_RESUID 0
213 #define F2FS_DEF_RESGID 0
216 * For checkpoint manager
223 #define CP_UMOUNT 0x00000001
224 #define CP_FASTBOOT 0x00000002
225 #define CP_SYNC 0x00000004
226 #define CP_RECOVERY 0x00000008
227 #define CP_DISCARD 0x00000010
228 #define CP_TRIMMED 0x00000020
229 #define CP_PAUSE 0x00000040
230 #define CP_RESIZE 0x00000080
232 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
233 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
234 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
235 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
236 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
237 #define DEF_CP_INTERVAL 60 /* 60 secs */
238 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
239 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
240 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
241 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
251 * indicate meta/data type
260 DATA_GENERIC
, /* check range only */
261 DATA_GENERIC_ENHANCE
, /* strong check on range and segment bitmap */
262 DATA_GENERIC_ENHANCE_READ
, /*
263 * strong check on range and segment
264 * bitmap but no warning due to race
265 * condition of read on truncated area
268 DATA_GENERIC_ENHANCE_UPDATE
, /*
269 * strong check on range and segment
270 * bitmap for update case
275 /* for the list of ino */
277 ORPHAN_INO
, /* for orphan ino list */
278 APPEND_INO
, /* for append ino list */
279 UPDATE_INO
, /* for update ino list */
280 TRANS_DIR_INO
, /* for transactions dir ino list */
281 FLUSH_INO
, /* for multiple device flushing */
282 MAX_INO_ENTRY
, /* max. list */
286 struct list_head list
; /* list head */
287 nid_t ino
; /* inode number */
288 unsigned int dirty_device
; /* dirty device bitmap */
291 /* for the list of inodes to be GCed */
293 struct list_head list
; /* list head */
294 struct inode
*inode
; /* vfs inode pointer */
297 struct fsync_node_entry
{
298 struct list_head list
; /* list head */
299 struct page
*page
; /* warm node page pointer */
300 unsigned int seq_id
; /* sequence id */
304 struct completion wait
; /* completion for checkpoint done */
305 struct llist_node llnode
; /* llist_node to be linked in wait queue */
306 int ret
; /* return code of checkpoint */
307 ktime_t queue_time
; /* request queued time */
310 struct ckpt_req_control
{
311 struct task_struct
*f2fs_issue_ckpt
; /* checkpoint task */
312 int ckpt_thread_ioprio
; /* checkpoint merge thread ioprio */
313 wait_queue_head_t ckpt_wait_queue
; /* waiting queue for wake-up */
314 atomic_t issued_ckpt
; /* # of actually issued ckpts */
315 atomic_t total_ckpt
; /* # of total ckpts */
316 atomic_t queued_ckpt
; /* # of queued ckpts */
317 struct llist_head issue_list
; /* list for command issue */
318 spinlock_t stat_lock
; /* lock for below checkpoint time stats */
319 unsigned int cur_time
; /* cur wait time in msec for currently issued checkpoint */
320 unsigned int peak_time
; /* peak wait time in msec until now */
323 /* for the bitmap indicate blocks to be discarded */
324 struct discard_entry
{
325 struct list_head list
; /* list head */
326 block_t start_blkaddr
; /* start blockaddr of current segment */
327 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
330 /* minimum discard granularity, unit: block count */
331 #define MIN_DISCARD_GRANULARITY 1
332 /* default discard granularity of inner discard thread, unit: block count */
333 #define DEFAULT_DISCARD_GRANULARITY 16
334 /* default maximum discard granularity of ordered discard, unit: block count */
335 #define DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY 16
337 /* max discard pend list number */
338 #define MAX_PLIST_NUM 512
339 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
340 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
343 D_PREP
, /* initial */
344 D_PARTIAL
, /* partially submitted */
345 D_SUBMIT
, /* all submitted */
346 D_DONE
, /* finished */
349 struct discard_info
{
350 block_t lstart
; /* logical start address */
351 block_t len
; /* length */
352 block_t start
; /* actual start address in dev */
356 struct rb_node rb_node
; /* rb node located in rb-tree */
357 struct discard_info di
; /* discard info */
358 struct list_head list
; /* command list */
359 struct completion wait
; /* compleation */
360 struct block_device
*bdev
; /* bdev */
361 unsigned short ref
; /* reference count */
362 unsigned char state
; /* state */
363 unsigned char queued
; /* queued discard */
364 int error
; /* bio error */
365 spinlock_t lock
; /* for state/bio_ref updating */
366 unsigned short bio_ref
; /* bio reference count */
377 struct discard_policy
{
378 int type
; /* type of discard */
379 unsigned int min_interval
; /* used for candidates exist */
380 unsigned int mid_interval
; /* used for device busy */
381 unsigned int max_interval
; /* used for candidates not exist */
382 unsigned int max_requests
; /* # of discards issued per round */
383 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
384 bool io_aware
; /* issue discard in idle time */
385 bool sync
; /* submit discard with REQ_SYNC flag */
386 bool ordered
; /* issue discard by lba order */
387 bool timeout
; /* discard timeout for put_super */
388 unsigned int granularity
; /* discard granularity */
391 struct discard_cmd_control
{
392 struct task_struct
*f2fs_issue_discard
; /* discard thread */
393 struct list_head entry_list
; /* 4KB discard entry list */
394 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
395 struct list_head wait_list
; /* store on-flushing entries */
396 struct list_head fstrim_list
; /* in-flight discard from fstrim */
397 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
398 struct mutex cmd_lock
;
399 unsigned int nr_discards
; /* # of discards in the list */
400 unsigned int max_discards
; /* max. discards to be issued */
401 unsigned int max_discard_request
; /* max. discard request per round */
402 unsigned int min_discard_issue_time
; /* min. interval between discard issue */
403 unsigned int mid_discard_issue_time
; /* mid. interval between discard issue */
404 unsigned int max_discard_issue_time
; /* max. interval between discard issue */
405 unsigned int discard_io_aware_gran
; /* minimum discard granularity not be aware of I/O */
406 unsigned int discard_urgent_util
; /* utilization which issue discard proactively */
407 unsigned int discard_granularity
; /* discard granularity */
408 unsigned int max_ordered_discard
; /* maximum discard granularity issued by lba order */
409 unsigned int undiscard_blks
; /* # of undiscard blocks */
410 unsigned int next_pos
; /* next discard position */
411 atomic_t issued_discard
; /* # of issued discard */
412 atomic_t queued_discard
; /* # of queued discard */
413 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
414 struct rb_root_cached root
; /* root of discard rb-tree */
415 bool rbtree_check
; /* config for consistence check */
416 bool discard_wake
; /* to wake up discard thread */
419 /* for the list of fsync inodes, used only during recovery */
420 struct fsync_inode_entry
{
421 struct list_head list
; /* list head */
422 struct inode
*inode
; /* vfs inode pointer */
423 block_t blkaddr
; /* block address locating the last fsync */
424 block_t last_dentry
; /* block address locating the last dentry */
427 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
428 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
430 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
431 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
432 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
433 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
435 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
436 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
438 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
440 int before
= nats_in_cursum(journal
);
442 journal
->n_nats
= cpu_to_le16(before
+ i
);
446 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
448 int before
= sits_in_cursum(journal
);
450 journal
->n_sits
= cpu_to_le16(before
+ i
);
454 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
457 if (type
== NAT_JOURNAL
)
458 return size
<= MAX_NAT_JENTRIES(journal
);
459 return size
<= MAX_SIT_JENTRIES(journal
);
462 /* for inline stuff */
463 #define DEF_INLINE_RESERVED_SIZE 1
464 static inline int get_extra_isize(struct inode
*inode
);
465 static inline int get_inline_xattr_addrs(struct inode
*inode
);
466 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
467 (CUR_ADDRS_PER_INODE(inode) - \
468 get_inline_xattr_addrs(inode) - \
469 DEF_INLINE_RESERVED_SIZE))
472 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
473 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
475 #define INLINE_DENTRY_BITMAP_SIZE(inode) \
476 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
477 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
478 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
479 NR_INLINE_DENTRY(inode) + \
480 INLINE_DENTRY_BITMAP_SIZE(inode)))
483 * For INODE and NODE manager
485 /* for directory operations */
487 struct f2fs_filename
{
489 * The filename the user specified. This is NULL for some
490 * filesystem-internal operations, e.g. converting an inline directory
491 * to a non-inline one, or roll-forward recovering an encrypted dentry.
493 const struct qstr
*usr_fname
;
496 * The on-disk filename. For encrypted directories, this is encrypted.
497 * This may be NULL for lookups in an encrypted dir without the key.
499 struct fscrypt_str disk_name
;
501 /* The dirhash of this filename */
504 #ifdef CONFIG_FS_ENCRYPTION
506 * For lookups in encrypted directories: either the buffer backing
507 * disk_name, or a buffer that holds the decoded no-key name.
509 struct fscrypt_str crypto_buf
;
511 #if IS_ENABLED(CONFIG_UNICODE)
513 * For casefolded directories: the casefolded name, but it's left NULL
514 * if the original name is not valid Unicode, if the original name is
515 * "." or "..", if the directory is both casefolded and encrypted and
516 * its encryption key is unavailable, or if the filesystem is doing an
517 * internal operation where usr_fname is also NULL. In all these cases
518 * we fall back to treating the name as an opaque byte sequence.
520 struct fscrypt_str cf_name
;
524 struct f2fs_dentry_ptr
{
527 struct f2fs_dir_entry
*dentry
;
528 __u8 (*filename
)[F2FS_SLOT_LEN
];
533 static inline void make_dentry_ptr_block(struct inode
*inode
,
534 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
537 d
->max
= NR_DENTRY_IN_BLOCK
;
538 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
539 d
->bitmap
= t
->dentry_bitmap
;
540 d
->dentry
= t
->dentry
;
541 d
->filename
= t
->filename
;
544 static inline void make_dentry_ptr_inline(struct inode
*inode
,
545 struct f2fs_dentry_ptr
*d
, void *t
)
547 int entry_cnt
= NR_INLINE_DENTRY(inode
);
548 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
549 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
553 d
->nr_bitmap
= bitmap_size
;
555 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
556 d
->filename
= t
+ bitmap_size
+ reserved_size
+
557 SIZE_OF_DIR_ENTRY
* entry_cnt
;
561 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
562 * as its node offset to distinguish from index node blocks.
563 * But some bits are used to mark the node block.
565 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
568 ALLOC_NODE
, /* allocate a new node page if needed */
569 LOOKUP_NODE
, /* look up a node without readahead */
571 * look up a node with readahead called
576 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO or flush count */
578 /* congestion wait timeout value, default: 20ms */
579 #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
581 /* maximum retry quota flush count */
582 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
584 /* maximum retry of EIO'ed page */
585 #define MAX_RETRY_PAGE_EIO 100
587 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
589 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
591 /* dirty segments threshold for triggering CP */
592 #define DEFAULT_DIRTY_THRESHOLD 4
594 #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS
595 #define RECOVERY_MIN_RA_BLOCKS 1
597 #define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */
599 /* for in-memory extent cache entry */
600 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
602 /* number of extent info in extent cache we try to shrink */
603 #define READ_EXTENT_CACHE_SHRINK_NUMBER 128
605 /* number of age extent info in extent cache we try to shrink */
606 #define AGE_EXTENT_CACHE_SHRINK_NUMBER 128
607 #define LAST_AGE_WEIGHT 30
608 #define SAME_AGE_REGION 1024
611 * Define data block with age less than 1GB as hot data
612 * define data block with age less than 10GB but more than 1GB as warm data
614 #define DEF_HOT_DATA_AGE_THRESHOLD 262144
615 #define DEF_WARM_DATA_AGE_THRESHOLD 2621440
617 /* extent cache type */
625 unsigned int fofs
; /* start offset in a file */
626 unsigned int len
; /* length of the extent */
628 /* read extent_cache */
630 /* start block address of the extent */
632 #ifdef CONFIG_F2FS_FS_COMPRESSION
633 /* physical extent length of compressed blocks */
637 /* block age extent_cache */
639 /* block age of the extent */
640 unsigned long long age
;
641 /* last total blocks allocated */
642 unsigned long long last_blocks
;
648 struct rb_node rb_node
; /* rb node located in rb-tree */
649 struct extent_info ei
; /* extent info */
650 struct list_head list
; /* node in global extent list of sbi */
651 struct extent_tree
*et
; /* extent tree pointer */
655 nid_t ino
; /* inode number */
656 enum extent_type type
; /* keep the extent tree type */
657 struct rb_root_cached root
; /* root of extent info rb-tree */
658 struct extent_node
*cached_en
; /* recently accessed extent node */
659 struct list_head list
; /* to be used by sbi->zombie_list */
660 rwlock_t lock
; /* protect extent info rb-tree */
661 atomic_t node_cnt
; /* # of extent node in rb-tree*/
662 bool largest_updated
; /* largest extent updated */
663 struct extent_info largest
; /* largest cached extent for EX_READ */
666 struct extent_tree_info
{
667 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
668 struct mutex extent_tree_lock
; /* locking extent radix tree */
669 struct list_head extent_list
; /* lru list for shrinker */
670 spinlock_t extent_lock
; /* locking extent lru list */
671 atomic_t total_ext_tree
; /* extent tree count */
672 struct list_head zombie_list
; /* extent zombie tree list */
673 atomic_t total_zombie_tree
; /* extent zombie tree count */
674 atomic_t total_ext_node
; /* extent info count */
678 * State of block returned by f2fs_map_blocks.
680 #define F2FS_MAP_NEW (1U << 0)
681 #define F2FS_MAP_MAPPED (1U << 1)
682 #define F2FS_MAP_DELALLOC (1U << 2)
683 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
686 struct f2fs_map_blocks
{
687 struct block_device
*m_bdev
; /* for multi-device dio */
691 unsigned int m_flags
;
692 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
693 pgoff_t
*m_next_extent
; /* point to next possible extent */
695 bool m_may_create
; /* indicate it is from write path */
696 bool m_multidev_dio
; /* indicate it allows multi-device dio */
699 /* for flag in get_data_block */
701 F2FS_GET_BLOCK_DEFAULT
,
702 F2FS_GET_BLOCK_FIEMAP
,
705 F2FS_GET_BLOCK_PRE_DIO
,
706 F2FS_GET_BLOCK_PRE_AIO
,
707 F2FS_GET_BLOCK_PRECACHE
,
711 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
713 #define FADVISE_COLD_BIT 0x01
714 #define FADVISE_LOST_PINO_BIT 0x02
715 #define FADVISE_ENCRYPT_BIT 0x04
716 #define FADVISE_ENC_NAME_BIT 0x08
717 #define FADVISE_KEEP_SIZE_BIT 0x10
718 #define FADVISE_HOT_BIT 0x20
719 #define FADVISE_VERITY_BIT 0x40
720 #define FADVISE_TRUNC_BIT 0x80
722 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
724 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
725 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
726 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
728 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
729 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
730 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
732 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
733 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
735 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
736 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
738 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
739 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
741 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
742 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
743 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
745 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
746 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
748 #define file_should_truncate(inode) is_file(inode, FADVISE_TRUNC_BIT)
749 #define file_need_truncate(inode) set_file(inode, FADVISE_TRUNC_BIT)
750 #define file_dont_truncate(inode) clear_file(inode, FADVISE_TRUNC_BIT)
752 #define DEF_DIR_LEVEL 0
759 /* used for f2fs_inode_info->flags */
761 FI_NEW_INODE
, /* indicate newly allocated inode */
762 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
763 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
764 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
765 FI_INC_LINK
, /* need to increment i_nlink */
766 FI_ACL_MODE
, /* indicate acl mode */
767 FI_NO_ALLOC
, /* should not allocate any blocks */
768 FI_FREE_NID
, /* free allocated nide */
769 FI_NO_EXTENT
, /* not to use the extent cache */
770 FI_INLINE_XATTR
, /* used for inline xattr */
771 FI_INLINE_DATA
, /* used for inline data*/
772 FI_INLINE_DENTRY
, /* used for inline dentry */
773 FI_APPEND_WRITE
, /* inode has appended data */
774 FI_UPDATE_WRITE
, /* inode has in-place-update data */
775 FI_NEED_IPU
, /* used for ipu per file */
776 FI_ATOMIC_FILE
, /* indicate atomic file */
777 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
778 FI_DROP_CACHE
, /* drop dirty page cache */
779 FI_DATA_EXIST
, /* indicate data exists */
780 FI_INLINE_DOTS
, /* indicate inline dot dentries */
781 FI_SKIP_WRITES
, /* should skip data page writeback */
782 FI_OPU_WRITE
, /* used for opu per file */
783 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
784 FI_PREALLOCATED_ALL
, /* all blocks for write were preallocated */
785 FI_HOT_DATA
, /* indicate file is hot */
786 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
787 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
788 FI_PIN_FILE
, /* indicate file should not be gced */
789 FI_VERITY_IN_PROGRESS
, /* building fs-verity Merkle tree */
790 FI_COMPRESSED_FILE
, /* indicate file's data can be compressed */
791 FI_COMPRESS_CORRUPT
, /* indicate compressed cluster is corrupted */
792 FI_MMAP_FILE
, /* indicate file was mmapped */
793 FI_ENABLE_COMPRESS
, /* enable compression in "user" compression mode */
794 FI_COMPRESS_RELEASED
, /* compressed blocks were released */
795 FI_ALIGNED_WRITE
, /* enable aligned write */
796 FI_COW_FILE
, /* indicate COW file */
797 FI_ATOMIC_COMMITTED
, /* indicate atomic commit completed except disk sync */
798 FI_ATOMIC_REPLACE
, /* indicate atomic replace */
799 FI_MAX
, /* max flag, never be used */
802 struct f2fs_inode_info
{
803 struct inode vfs_inode
; /* serve a vfs inode */
804 unsigned long i_flags
; /* keep an inode flags for ioctl */
805 unsigned char i_advise
; /* use to give file attribute hints */
806 unsigned char i_dir_level
; /* use for dentry level for large dir */
807 unsigned int i_current_depth
; /* only for directory depth */
808 /* for gc failure statistic */
809 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
810 unsigned int i_pino
; /* parent inode number */
811 umode_t i_acl_mode
; /* keep file acl mode temporarily */
813 /* Use below internally in f2fs*/
814 unsigned long flags
[BITS_TO_LONGS(FI_MAX
)]; /* use to pass per-file flags */
815 struct f2fs_rwsem i_sem
; /* protect fi info */
816 atomic_t dirty_pages
; /* # of dirty pages */
817 f2fs_hash_t chash
; /* hash value of given file name */
818 unsigned int clevel
; /* maximum level of given file name */
819 struct task_struct
*task
; /* lookup and create consistency */
820 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
821 struct task_struct
*wb_task
; /* indicate inode is in context of writeback */
822 nid_t i_xattr_nid
; /* node id that contains xattrs */
823 loff_t last_disk_size
; /* lastly written file size */
824 spinlock_t i_size_lock
; /* protect last_disk_size */
827 struct dquot
*i_dquot
[MAXQUOTAS
];
829 /* quota space reservation, managed internally by quota code */
830 qsize_t i_reserved_quota
;
832 struct list_head dirty_list
; /* dirty list for dirs and files */
833 struct list_head gdirty_list
; /* linked in global dirty list */
834 struct task_struct
*atomic_write_task
; /* store atomic write task */
835 struct extent_tree
*extent_tree
[NR_EXTENT_CACHES
];
836 /* cached extent_tree entry */
837 struct inode
*cow_inode
; /* copy-on-write inode for atomic write */
839 /* avoid racing between foreground op and gc */
840 struct f2fs_rwsem i_gc_rwsem
[2];
841 struct f2fs_rwsem i_xattr_sem
; /* avoid racing between reading and changing EAs */
843 int i_extra_isize
; /* size of extra space located in i_addr */
844 kprojid_t i_projid
; /* id for project quota */
845 int i_inline_xattr_size
; /* inline xattr size */
846 struct timespec64 i_crtime
; /* inode creation time */
847 struct timespec64 i_disk_time
[3];/* inode disk times */
849 /* for file compress */
850 atomic_t i_compr_blocks
; /* # of compressed blocks */
851 unsigned char i_compress_algorithm
; /* algorithm type */
852 unsigned char i_log_cluster_size
; /* log of cluster size */
853 unsigned char i_compress_level
; /* compress level (lz4hc,zstd) */
854 unsigned char i_compress_flag
; /* compress flag */
855 unsigned int i_cluster_size
; /* cluster size */
857 unsigned int atomic_write_cnt
;
858 loff_t original_i_size
; /* original i_size before atomic write */
861 static inline void get_read_extent_info(struct extent_info
*ext
,
862 struct f2fs_extent
*i_ext
)
864 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
865 ext
->blk
= le32_to_cpu(i_ext
->blk
);
866 ext
->len
= le32_to_cpu(i_ext
->len
);
869 static inline void set_raw_read_extent(struct extent_info
*ext
,
870 struct f2fs_extent
*i_ext
)
872 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
873 i_ext
->blk
= cpu_to_le32(ext
->blk
);
874 i_ext
->len
= cpu_to_le32(ext
->len
);
877 static inline bool __is_discard_mergeable(struct discard_info
*back
,
878 struct discard_info
*front
, unsigned int max_len
)
880 return (back
->lstart
+ back
->len
== front
->lstart
) &&
881 (back
->len
+ front
->len
<= max_len
);
884 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
885 struct discard_info
*back
, unsigned int max_len
)
887 return __is_discard_mergeable(back
, cur
, max_len
);
890 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
891 struct discard_info
*front
, unsigned int max_len
)
893 return __is_discard_mergeable(cur
, front
, max_len
);
897 * For free nid management
900 FREE_NID
, /* newly added to free nid list */
901 PREALLOC_NID
, /* it is preallocated */
912 struct f2fs_nm_info
{
913 block_t nat_blkaddr
; /* base disk address of NAT */
914 nid_t max_nid
; /* maximum possible node ids */
915 nid_t available_nids
; /* # of available node ids */
916 nid_t next_scan_nid
; /* the next nid to be scanned */
917 nid_t max_rf_node_blocks
; /* max # of nodes for recovery */
918 unsigned int ram_thresh
; /* control the memory footprint */
919 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
920 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
922 /* NAT cache management */
923 struct radix_tree_root nat_root
;/* root of the nat entry cache */
924 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
925 struct f2fs_rwsem nat_tree_lock
; /* protect nat entry tree */
926 struct list_head nat_entries
; /* cached nat entry list (clean) */
927 spinlock_t nat_list_lock
; /* protect clean nat entry list */
928 unsigned int nat_cnt
[MAX_NAT_STATE
]; /* the # of cached nat entries */
929 unsigned int nat_blocks
; /* # of nat blocks */
931 /* free node ids management */
932 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
933 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
934 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
935 spinlock_t nid_list_lock
; /* protect nid lists ops */
936 struct mutex build_lock
; /* lock for build free nids */
937 unsigned char **free_nid_bitmap
;
938 unsigned char *nat_block_bitmap
;
939 unsigned short *free_nid_count
; /* free nid count of NAT block */
942 char *nat_bitmap
; /* NAT bitmap pointer */
944 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
945 unsigned char *nat_bits
; /* NAT bits blocks */
946 unsigned char *full_nat_bits
; /* full NAT pages */
947 unsigned char *empty_nat_bits
; /* empty NAT pages */
948 #ifdef CONFIG_F2FS_CHECK_FS
949 char *nat_bitmap_mir
; /* NAT bitmap mirror */
951 int bitmap_size
; /* bitmap size */
955 * this structure is used as one of function parameters.
956 * all the information are dedicated to a given direct node block determined
957 * by the data offset in a file.
959 struct dnode_of_data
{
960 struct inode
*inode
; /* vfs inode pointer */
961 struct page
*inode_page
; /* its inode page, NULL is possible */
962 struct page
*node_page
; /* cached direct node page */
963 nid_t nid
; /* node id of the direct node block */
964 unsigned int ofs_in_node
; /* data offset in the node page */
965 bool inode_page_locked
; /* inode page is locked or not */
966 bool node_changed
; /* is node block changed */
967 char cur_level
; /* level of hole node page */
968 char max_level
; /* level of current page located */
969 block_t data_blkaddr
; /* block address of the node block */
972 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
973 struct page
*ipage
, struct page
*npage
, nid_t nid
)
975 memset(dn
, 0, sizeof(*dn
));
977 dn
->inode_page
= ipage
;
978 dn
->node_page
= npage
;
985 * By default, there are 6 active log areas across the whole main area.
986 * When considering hot and cold data separation to reduce cleaning overhead,
987 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
989 * In the current design, you should not change the numbers intentionally.
990 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
991 * logs individually according to the underlying devices. (default: 6)
992 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
993 * data and 8 for node logs.
995 #define NR_CURSEG_DATA_TYPE (3)
996 #define NR_CURSEG_NODE_TYPE (3)
997 #define NR_CURSEG_INMEM_TYPE (2)
998 #define NR_CURSEG_RO_TYPE (2)
999 #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
1000 #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
1003 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
1004 CURSEG_WARM_DATA
, /* data blocks */
1005 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
1006 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
1007 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
1008 CURSEG_COLD_NODE
, /* indirect node blocks */
1009 NR_PERSISTENT_LOG
, /* number of persistent log */
1010 CURSEG_COLD_DATA_PINNED
= NR_PERSISTENT_LOG
,
1011 /* pinned file that needs consecutive block address */
1012 CURSEG_ALL_DATA_ATGC
, /* SSR alloctor in hot/warm/cold data area */
1013 NO_CHECK_TYPE
, /* number of persistent & inmem log */
1017 struct completion wait
;
1018 struct llist_node llnode
;
1023 struct flush_cmd_control
{
1024 struct task_struct
*f2fs_issue_flush
; /* flush thread */
1025 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
1026 atomic_t issued_flush
; /* # of issued flushes */
1027 atomic_t queued_flush
; /* # of queued flushes */
1028 struct llist_head issue_list
; /* list for command issue */
1029 struct llist_node
*dispatch_list
; /* list for command dispatch */
1032 struct f2fs_sm_info
{
1033 struct sit_info
*sit_info
; /* whole segment information */
1034 struct free_segmap_info
*free_info
; /* free segment information */
1035 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
1036 struct curseg_info
*curseg_array
; /* active segment information */
1038 struct f2fs_rwsem curseg_lock
; /* for preventing curseg change */
1040 block_t seg0_blkaddr
; /* block address of 0'th segment */
1041 block_t main_blkaddr
; /* start block address of main area */
1042 block_t ssa_blkaddr
; /* start block address of SSA area */
1044 unsigned int segment_count
; /* total # of segments */
1045 unsigned int main_segments
; /* # of segments in main area */
1046 unsigned int reserved_segments
; /* # of reserved segments */
1047 unsigned int additional_reserved_segments
;/* reserved segs for IO align feature */
1048 unsigned int ovp_segments
; /* # of overprovision segments */
1050 /* a threshold to reclaim prefree segments */
1051 unsigned int rec_prefree_segments
;
1053 struct list_head sit_entry_set
; /* sit entry set list */
1055 unsigned int ipu_policy
; /* in-place-update policy */
1056 unsigned int min_ipu_util
; /* in-place-update threshold */
1057 unsigned int min_fsync_blocks
; /* threshold for fsync */
1058 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
1059 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
1060 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
1062 /* for flush command control */
1063 struct flush_cmd_control
*fcc_info
;
1065 /* for discard command control */
1066 struct discard_cmd_control
*dcc_info
;
1073 * COUNT_TYPE for monitoring
1075 * f2fs monitors the number of several block types such as on-writeback,
1076 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
1078 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1097 * The below are the page types of bios used in submit_bio().
1098 * The available types are:
1099 * DATA User data pages. It operates as async mode.
1100 * NODE Node pages. It operates as async mode.
1101 * META FS metadata pages such as SIT, NAT, CP.
1102 * NR_PAGE_TYPE The number of page types.
1103 * META_FLUSH Make sure the previous pages are written
1104 * with waiting the bio's completion
1105 * ... Only can be used with META.
1107 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1110 NODE
= 1, /* should not change this */
1114 IPU
, /* the below types are used by tracepoints only. */
1119 HOT
= 0, /* must be zero for meta bio */
1125 enum need_lock_type
{
1131 enum cp_reason_type
{
1147 APP_DIRECT_IO
, /* app direct write IOs */
1148 APP_BUFFERED_IO
, /* app buffered write IOs */
1149 APP_WRITE_IO
, /* app write IOs */
1150 APP_MAPPED_IO
, /* app mapped IOs */
1151 APP_BUFFERED_CDATA_IO
, /* app buffered write IOs on compressed file */
1152 APP_MAPPED_CDATA_IO
, /* app mapped write IOs on compressed file */
1153 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1154 FS_CDATA_IO
, /* data IOs from kworker/fsync/reclaimer on compressed file */
1155 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1156 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1157 FS_GC_DATA_IO
, /* data IOs from forground gc */
1158 FS_GC_NODE_IO
, /* node IOs from forground gc */
1159 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1160 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1161 FS_CP_META_IO
, /* meta IOs from checkpoint */
1164 APP_DIRECT_READ_IO
, /* app direct read IOs */
1165 APP_BUFFERED_READ_IO
, /* app buffered read IOs */
1166 APP_READ_IO
, /* app read IOs */
1167 APP_MAPPED_READ_IO
, /* app mapped read IOs */
1168 APP_BUFFERED_CDATA_READ_IO
, /* app buffered read IOs on compressed file */
1169 APP_MAPPED_CDATA_READ_IO
, /* app mapped read IOs on compressed file */
1170 FS_DATA_READ_IO
, /* data read IOs */
1171 FS_GDATA_READ_IO
, /* data read IOs from background gc */
1172 FS_CDATA_READ_IO
, /* compressed data read IOs */
1173 FS_NODE_READ_IO
, /* node read IOs */
1174 FS_META_READ_IO
, /* meta read IOs */
1177 FS_DISCARD_IO
, /* discard */
1178 FS_FLUSH_IO
, /* flush */
1179 FS_ZONE_RESET_IO
, /* zone reset */
1183 struct f2fs_io_info
{
1184 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1185 nid_t ino
; /* inode number */
1186 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1187 enum temp_type temp
; /* contains HOT/WARM/COLD */
1188 enum req_op op
; /* contains REQ_OP_ */
1189 blk_opf_t op_flags
; /* req_flag_bits */
1190 block_t new_blkaddr
; /* new block address to be written */
1191 block_t old_blkaddr
; /* old block address before Cow */
1192 struct page
*page
; /* page to be written */
1193 struct page
*encrypted_page
; /* encrypted page */
1194 struct page
*compressed_page
; /* compressed page */
1195 struct list_head list
; /* serialize IOs */
1196 unsigned int compr_blocks
; /* # of compressed block addresses */
1197 unsigned int need_lock
:8; /* indicate we need to lock cp_rwsem */
1198 unsigned int version
:8; /* version of the node */
1199 unsigned int submitted
:1; /* indicate IO submission */
1200 unsigned int in_list
:1; /* indicate fio is in io_list */
1201 unsigned int is_por
:1; /* indicate IO is from recovery or not */
1202 unsigned int retry
:1; /* need to reallocate block address */
1203 unsigned int encrypted
:1; /* indicate file is encrypted */
1204 unsigned int post_read
:1; /* require post read */
1205 enum iostat_type io_type
; /* io type */
1206 struct writeback_control
*io_wbc
; /* writeback control */
1207 struct bio
**bio
; /* bio for ipu */
1208 sector_t
*last_block
; /* last block number in bio */
1213 struct list_head list
;
1216 #define is_read_io(rw) ((rw) == READ)
1217 struct f2fs_bio_info
{
1218 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1219 struct bio
*bio
; /* bios to merge */
1220 sector_t last_block_in_bio
; /* last block number */
1221 struct f2fs_io_info fio
; /* store buffered io info. */
1222 #ifdef CONFIG_BLK_DEV_ZONED
1223 struct completion zone_wait
; /* condition value for the previous open zone to close */
1224 struct bio
*zone_pending_bio
; /* pending bio for the previous zone */
1225 void *bi_private
; /* previous bi_private for pending bio */
1227 struct f2fs_rwsem io_rwsem
; /* blocking op for bio */
1228 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1229 struct list_head io_list
; /* track fios */
1230 struct list_head bio_list
; /* bio entry list head */
1231 struct f2fs_rwsem bio_list_lock
; /* lock to protect bio entry list */
1234 #define FDEV(i) (sbi->devs[i])
1235 #define RDEV(i) (raw_super->devs[i])
1236 struct f2fs_dev_info
{
1237 struct bdev_handle
*bdev_handle
;
1238 struct block_device
*bdev
;
1239 char path
[MAX_PATH_LEN
];
1240 unsigned int total_segments
;
1243 #ifdef CONFIG_BLK_DEV_ZONED
1244 unsigned int nr_blkz
; /* Total number of zones */
1245 unsigned long *blkz_seq
; /* Bitmap indicating sequential zones */
1250 DIR_INODE
, /* for dirty dir inode */
1251 FILE_INODE
, /* for dirty regular/symlink inode */
1252 DIRTY_META
, /* for all dirtied inode metadata */
1256 /* for inner inode cache management */
1257 struct inode_management
{
1258 struct radix_tree_root ino_root
; /* ino entry array */
1259 spinlock_t ino_lock
; /* for ino entry lock */
1260 struct list_head ino_list
; /* inode list head */
1261 unsigned long ino_num
; /* number of entries */
1265 struct atgc_management
{
1266 bool atgc_enabled
; /* ATGC is enabled or not */
1267 struct rb_root_cached root
; /* root of victim rb-tree */
1268 struct list_head victim_list
; /* linked with all victim entries */
1269 unsigned int victim_count
; /* victim count in rb-tree */
1270 unsigned int candidate_ratio
; /* candidate ratio */
1271 unsigned int max_candidate_count
; /* max candidate count */
1272 unsigned int age_weight
; /* age weight, vblock_weight = 100 - age_weight */
1273 unsigned long long age_threshold
; /* age threshold */
1276 struct f2fs_gc_control
{
1277 unsigned int victim_segno
; /* target victim segment number */
1278 int init_gc_type
; /* FG_GC or BG_GC */
1279 bool no_bg_gc
; /* check the space and stop bg_gc */
1280 bool should_migrate_blocks
; /* should migrate blocks */
1281 bool err_gc_skipped
; /* return EAGAIN if GC skipped */
1282 unsigned int nr_free_secs
; /* # of free sections to do GC */
1286 * For s_flag in struct f2fs_sb_info
1287 * Modification on enum should be synchronized with s_flag array
1290 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1291 SBI_IS_CLOSE
, /* specify unmounting */
1292 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1293 SBI_POR_DOING
, /* recovery is doing or not */
1294 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1295 SBI_NEED_CP
, /* need to checkpoint */
1296 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1297 SBI_IS_RECOVERED
, /* recovered orphan/data */
1298 SBI_CP_DISABLED
, /* CP was disabled last mount */
1299 SBI_CP_DISABLED_QUICK
, /* CP was disabled quickly */
1300 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1301 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1302 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1303 SBI_IS_RESIZEFS
, /* resizefs is in process */
1304 SBI_IS_FREEZING
, /* freezefs is in process */
1305 SBI_IS_WRITABLE
, /* remove ro mountoption transiently */
1315 UMOUNT_DISCARD_TIMEOUT
,
1319 /* Note that you need to keep synchronization with this gc_mode_names array */
1332 BGGC_MODE_ON
, /* background gc is on */
1333 BGGC_MODE_OFF
, /* background gc is off */
1335 * background gc is on, migrating blocks
1336 * like foreground gc
1341 FS_MODE_ADAPTIVE
, /* use both lfs/ssr allocation */
1342 FS_MODE_LFS
, /* use lfs allocation only */
1343 FS_MODE_FRAGMENT_SEG
, /* segment fragmentation mode */
1344 FS_MODE_FRAGMENT_BLK
, /* block fragmentation mode */
1348 ALLOC_MODE_DEFAULT
, /* stay default */
1349 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1353 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1354 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1355 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1360 * automatically compress compression
1364 * automatical compression is disabled.
1365 * user can control the file compression
1371 DISCARD_UNIT_BLOCK
, /* basic discard unit is block */
1372 DISCARD_UNIT_SEGMENT
, /* basic discard unit is segment */
1373 DISCARD_UNIT_SECTION
, /* basic discard unit is section */
1377 MEMORY_MODE_NORMAL
, /* memory mode for normal devices */
1378 MEMORY_MODE_LOW
, /* memory mode for low memry devices */
1381 enum errors_option
{
1382 MOUNT_ERRORS_READONLY
, /* remount fs ro on errors */
1383 MOUNT_ERRORS_CONTINUE
, /* continue on errors */
1384 MOUNT_ERRORS_PANIC
, /* panic on errors */
1391 TOTAL_CALL
= FOREGROUND
,
1394 static inline int f2fs_test_bit(unsigned int nr
, char *addr
);
1395 static inline void f2fs_set_bit(unsigned int nr
, char *addr
);
1396 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
);
1399 * Layout of f2fs page.private:
1401 * Layout A: lowest bit should be 1
1402 * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
1403 * bit 0 PAGE_PRIVATE_NOT_POINTER
1404 * bit 1 PAGE_PRIVATE_DUMMY_WRITE
1405 * bit 2 PAGE_PRIVATE_ONGOING_MIGRATION
1406 * bit 3 PAGE_PRIVATE_INLINE_INODE
1407 * bit 4 PAGE_PRIVATE_REF_RESOURCE
1408 * bit 5- f2fs private data
1410 * Layout B: lowest bit should be 0
1411 * page.private is a wrapped pointer.
1414 PAGE_PRIVATE_NOT_POINTER
, /* private contains non-pointer data */
1415 PAGE_PRIVATE_DUMMY_WRITE
, /* data page for padding aligned IO */
1416 PAGE_PRIVATE_ONGOING_MIGRATION
, /* data page which is on-going migrating */
1417 PAGE_PRIVATE_INLINE_INODE
, /* inode page contains inline data */
1418 PAGE_PRIVATE_REF_RESOURCE
, /* dirty page has referenced resources */
1422 /* For compression */
1423 enum compress_algorithm_type
{
1431 enum compress_flag
{
1436 #define COMPRESS_WATERMARK 20
1437 #define COMPRESS_PERCENT 20
1439 #define COMPRESS_DATA_RESERVED_SIZE 4
1440 struct compress_data
{
1441 __le32 clen
; /* compressed data size */
1442 __le32 chksum
; /* compressed data chksum */
1443 __le32 reserved
[COMPRESS_DATA_RESERVED_SIZE
]; /* reserved */
1444 u8 cdata
[]; /* compressed data */
1447 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1449 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1451 #define F2FS_ZSTD_DEFAULT_CLEVEL 1
1453 #define COMPRESS_LEVEL_OFFSET 8
1455 /* compress context */
1456 struct compress_ctx
{
1457 struct inode
*inode
; /* inode the context belong to */
1458 pgoff_t cluster_idx
; /* cluster index number */
1459 unsigned int cluster_size
; /* page count in cluster */
1460 unsigned int log_cluster_size
; /* log of cluster size */
1461 struct page
**rpages
; /* pages store raw data in cluster */
1462 unsigned int nr_rpages
; /* total page number in rpages */
1463 struct page
**cpages
; /* pages store compressed data in cluster */
1464 unsigned int nr_cpages
; /* total page number in cpages */
1465 unsigned int valid_nr_cpages
; /* valid page number in cpages */
1466 void *rbuf
; /* virtual mapped address on rpages */
1467 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1468 size_t rlen
; /* valid data length in rbuf */
1469 size_t clen
; /* valid data length in cbuf */
1470 void *private; /* payload buffer for specified compression algorithm */
1471 void *private2
; /* extra payload buffer */
1474 /* compress context for write IO path */
1475 struct compress_io_ctx
{
1476 u32 magic
; /* magic number to indicate page is compressed */
1477 struct inode
*inode
; /* inode the context belong to */
1478 struct page
**rpages
; /* pages store raw data in cluster */
1479 unsigned int nr_rpages
; /* total page number in rpages */
1480 atomic_t pending_pages
; /* in-flight compressed page count */
1483 /* Context for decompressing one cluster on the read IO path */
1484 struct decompress_io_ctx
{
1485 u32 magic
; /* magic number to indicate page is compressed */
1486 struct inode
*inode
; /* inode the context belong to */
1487 pgoff_t cluster_idx
; /* cluster index number */
1488 unsigned int cluster_size
; /* page count in cluster */
1489 unsigned int log_cluster_size
; /* log of cluster size */
1490 struct page
**rpages
; /* pages store raw data in cluster */
1491 unsigned int nr_rpages
; /* total page number in rpages */
1492 struct page
**cpages
; /* pages store compressed data in cluster */
1493 unsigned int nr_cpages
; /* total page number in cpages */
1494 struct page
**tpages
; /* temp pages to pad holes in cluster */
1495 void *rbuf
; /* virtual mapped address on rpages */
1496 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1497 size_t rlen
; /* valid data length in rbuf */
1498 size_t clen
; /* valid data length in cbuf */
1501 * The number of compressed pages remaining to be read in this cluster.
1502 * This is initially nr_cpages. It is decremented by 1 each time a page
1503 * has been read (or failed to be read). When it reaches 0, the cluster
1504 * is decompressed (or an error is reported).
1506 * If an error occurs before all the pages have been submitted for I/O,
1507 * then this will never reach 0. In this case the I/O submitter is
1508 * responsible for calling f2fs_decompress_end_io() instead.
1510 atomic_t remaining_pages
;
1513 * Number of references to this decompress_io_ctx.
1515 * One reference is held for I/O completion. This reference is dropped
1516 * after the pagecache pages are updated and unlocked -- either after
1517 * decompression (and verity if enabled), or after an error.
1519 * In addition, each compressed page holds a reference while it is in a
1520 * bio. These references are necessary prevent compressed pages from
1521 * being freed while they are still in a bio.
1525 bool failed
; /* IO error occurred before decompression? */
1526 bool need_verity
; /* need fs-verity verification after decompression? */
1527 void *private; /* payload buffer for specified decompression algorithm */
1528 void *private2
; /* extra payload buffer */
1529 struct work_struct verity_work
; /* work to verify the decompressed pages */
1530 struct work_struct free_work
; /* work for late free this structure itself */
1533 #define NULL_CLUSTER ((unsigned int)(~0))
1534 #define MIN_COMPRESS_LOG_SIZE 2
1535 #define MAX_COMPRESS_LOG_SIZE 8
1536 #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
1538 struct f2fs_sb_info
{
1539 struct super_block
*sb
; /* pointer to VFS super block */
1540 struct proc_dir_entry
*s_proc
; /* proc entry */
1541 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1542 struct f2fs_rwsem sb_lock
; /* lock for raw super block */
1543 int valid_super_block
; /* valid super block no */
1544 unsigned long s_flag
; /* flags for sbi */
1545 struct mutex writepages
; /* mutex for writepages() */
1547 #ifdef CONFIG_BLK_DEV_ZONED
1548 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1551 /* for node-related operations */
1552 struct f2fs_nm_info
*nm_info
; /* node manager */
1553 struct inode
*node_inode
; /* cache node blocks */
1555 /* for segment-related operations */
1556 struct f2fs_sm_info
*sm_info
; /* segment manager */
1558 /* for bio operations */
1559 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1560 /* keep migration IO order for LFS mode */
1561 struct f2fs_rwsem io_order_lock
;
1562 mempool_t
*write_io_dummy
; /* Dummy pages */
1563 pgoff_t page_eio_ofs
[NR_PAGE_TYPE
]; /* EIO page offset */
1564 int page_eio_cnt
[NR_PAGE_TYPE
]; /* EIO count */
1566 /* for checkpoint */
1567 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1568 int cur_cp_pack
; /* remain current cp pack */
1569 spinlock_t cp_lock
; /* for flag in ckpt */
1570 struct inode
*meta_inode
; /* cache meta blocks */
1571 struct f2fs_rwsem cp_global_sem
; /* checkpoint procedure lock */
1572 struct f2fs_rwsem cp_rwsem
; /* blocking FS operations */
1573 struct f2fs_rwsem node_write
; /* locking node writes */
1574 struct f2fs_rwsem node_change
; /* locking node change */
1575 wait_queue_head_t cp_wait
;
1576 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1577 long interval_time
[MAX_TIME
]; /* to store thresholds */
1578 struct ckpt_req_control cprc_info
; /* for checkpoint request control */
1580 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1582 spinlock_t fsync_node_lock
; /* for node entry lock */
1583 struct list_head fsync_node_list
; /* node list head */
1584 unsigned int fsync_seg_id
; /* sequence id */
1585 unsigned int fsync_node_num
; /* number of node entries */
1587 /* for orphan inode, use 0'th array */
1588 unsigned int max_orphans
; /* max orphan inodes */
1590 /* for inode management */
1591 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1592 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1593 struct mutex flush_lock
; /* for flush exclusion */
1595 /* for extent tree cache */
1596 struct extent_tree_info extent_tree
[NR_EXTENT_CACHES
];
1597 atomic64_t allocated_data_blocks
; /* for block age extent_cache */
1599 /* The threshold used for hot and warm data seperation*/
1600 unsigned int hot_data_age_threshold
;
1601 unsigned int warm_data_age_threshold
;
1602 unsigned int last_age_weight
;
1604 /* basic filesystem units */
1605 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1606 unsigned int log_blocksize
; /* log2 block size */
1607 unsigned int blocksize
; /* block size */
1608 unsigned int root_ino_num
; /* root inode number*/
1609 unsigned int node_ino_num
; /* node inode number*/
1610 unsigned int meta_ino_num
; /* meta inode number*/
1611 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1612 unsigned int blocks_per_seg
; /* blocks per segment */
1613 unsigned int unusable_blocks_per_sec
; /* unusable blocks per section */
1614 unsigned int segs_per_sec
; /* segments per section */
1615 unsigned int secs_per_zone
; /* sections per zone */
1616 unsigned int total_sections
; /* total section count */
1617 unsigned int total_node_count
; /* total node block count */
1618 unsigned int total_valid_node_count
; /* valid node block count */
1619 int dir_level
; /* directory level */
1620 bool readdir_ra
; /* readahead inode in readdir */
1621 u64 max_io_bytes
; /* max io bytes to merge IOs */
1623 block_t user_block_count
; /* # of user blocks */
1624 block_t total_valid_block_count
; /* # of valid blocks */
1625 block_t discard_blks
; /* discard command candidats */
1626 block_t last_valid_block_count
; /* for recovery */
1627 block_t reserved_blocks
; /* configurable reserved blocks */
1628 block_t current_reserved_blocks
; /* current reserved blocks */
1630 /* Additional tracking for no checkpoint mode */
1631 block_t unusable_block_count
; /* # of blocks saved by last cp */
1633 unsigned int nquota_files
; /* # of quota sysfile */
1634 struct f2fs_rwsem quota_sem
; /* blocking cp for flags */
1636 /* # of pages, see count_type */
1637 atomic_t nr_pages
[NR_COUNT_TYPE
];
1638 /* # of allocated blocks */
1639 struct percpu_counter alloc_valid_block_count
;
1640 /* # of node block writes as roll forward recovery */
1641 struct percpu_counter rf_node_block_count
;
1643 /* writeback control */
1644 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1646 /* valid inode count */
1647 struct percpu_counter total_valid_inode_count
;
1649 struct f2fs_mount_info mount_opt
; /* mount options */
1651 /* for cleaning operations */
1652 struct f2fs_rwsem gc_lock
; /*
1653 * semaphore for GC, avoid
1654 * race between GC and GC or CP
1656 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1657 struct atgc_management am
; /* atgc management */
1658 unsigned int cur_victim_sec
; /* current victim section num */
1659 unsigned int gc_mode
; /* current GC state */
1660 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1661 spinlock_t gc_remaining_trials_lock
;
1662 /* remaining trial count for GC_URGENT_* and GC_IDLE_* */
1663 unsigned int gc_remaining_trials
;
1665 /* for skip statistic */
1666 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1668 /* threshold for gc trials on pinned files */
1669 u64 gc_pin_file_threshold
;
1670 struct f2fs_rwsem pin_sem
;
1672 /* maximum # of trials to find a victim segment for SSR and GC */
1673 unsigned int max_victim_search
;
1674 /* migration granularity of garbage collection, unit: segment */
1675 unsigned int migration_granularity
;
1678 * for stat information.
1679 * one is for the LFS mode, and the other is for the SSR mode.
1681 #ifdef CONFIG_F2FS_STAT_FS
1682 struct f2fs_stat_info
*stat_info
; /* FS status information */
1683 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1684 unsigned int segment_count
[2]; /* # of allocated segments */
1685 unsigned int block_count
[2]; /* # of allocated blocks */
1686 atomic_t inplace_count
; /* # of inplace update */
1687 /* # of lookup extent cache */
1688 atomic64_t total_hit_ext
[NR_EXTENT_CACHES
];
1689 /* # of hit rbtree extent node */
1690 atomic64_t read_hit_rbtree
[NR_EXTENT_CACHES
];
1691 /* # of hit cached extent node */
1692 atomic64_t read_hit_cached
[NR_EXTENT_CACHES
];
1693 /* # of hit largest extent node in read extent cache */
1694 atomic64_t read_hit_largest
;
1695 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1696 atomic_t inline_inode
; /* # of inline_data inodes */
1697 atomic_t inline_dir
; /* # of inline_dentry inodes */
1698 atomic_t compr_inode
; /* # of compressed inodes */
1699 atomic64_t compr_blocks
; /* # of compressed blocks */
1700 atomic_t swapfile_inode
; /* # of swapfile inodes */
1701 atomic_t atomic_files
; /* # of opened atomic file */
1702 atomic_t max_aw_cnt
; /* max # of atomic writes */
1703 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1704 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1705 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1706 atomic_t cp_call_count
[MAX_CALL_TYPE
]; /* # of cp call */
1708 spinlock_t stat_lock
; /* lock for stat operations */
1710 /* to attach REQ_META|REQ_FUA flags */
1711 unsigned int data_io_flag
;
1712 unsigned int node_io_flag
;
1714 /* For sysfs support */
1715 struct kobject s_kobj
; /* /sys/fs/f2fs/<devname> */
1716 struct completion s_kobj_unregister
;
1718 struct kobject s_stat_kobj
; /* /sys/fs/f2fs/<devname>/stat */
1719 struct completion s_stat_kobj_unregister
;
1721 struct kobject s_feature_list_kobj
; /* /sys/fs/f2fs/<devname>/feature_list */
1722 struct completion s_feature_list_kobj_unregister
;
1724 /* For shrinker support */
1725 struct list_head s_list
;
1726 struct mutex umount_mutex
;
1727 unsigned int shrinker_run_no
;
1729 /* For multi devices */
1730 int s_ndevs
; /* number of devices */
1731 struct f2fs_dev_info
*devs
; /* for device list */
1732 unsigned int dirty_device
; /* for checkpoint data flush */
1733 spinlock_t dev_lock
; /* protect dirty_device */
1734 bool aligned_blksize
; /* all devices has the same logical blksize */
1736 /* For write statistics */
1737 u64 sectors_written_start
;
1740 /* Reference to checksum algorithm driver via cryptoapi */
1741 struct crypto_shash
*s_chksum_driver
;
1743 /* Precomputed FS UUID checksum for seeding other checksums */
1744 __u32 s_chksum_seed
;
1746 struct workqueue_struct
*post_read_wq
; /* post read workqueue */
1749 * If we are in irq context, let's update error information into
1750 * on-disk superblock in the work.
1752 struct work_struct s_error_work
;
1753 unsigned char errors
[MAX_F2FS_ERRORS
]; /* error flags */
1754 unsigned char stop_reason
[MAX_STOP_REASON
]; /* stop reason */
1755 spinlock_t error_lock
; /* protect errors/stop_reason array */
1756 bool error_dirty
; /* errors of sb is dirty */
1758 struct kmem_cache
*inline_xattr_slab
; /* inline xattr entry */
1759 unsigned int inline_xattr_slab_size
; /* default inline xattr slab size */
1761 /* For reclaimed segs statistics per each GC mode */
1762 unsigned int gc_segment_mode
; /* GC state for reclaimed segments */
1763 unsigned int gc_reclaimed_segs
[MAX_GC_MODE
]; /* Reclaimed segs for each mode */
1765 unsigned long seq_file_ra_mul
; /* multiplier for ra_pages of seq. files in fadvise */
1767 int max_fragment_chunk
; /* max chunk size for block fragmentation mode */
1768 int max_fragment_hole
; /* max hole size for block fragmentation mode */
1770 /* For atomic write statistics */
1771 atomic64_t current_atomic_write
;
1772 s64 peak_atomic_write
;
1773 u64 committed_atomic_block
;
1774 u64 revoked_atomic_block
;
1776 #ifdef CONFIG_F2FS_FS_COMPRESSION
1777 struct kmem_cache
*page_array_slab
; /* page array entry */
1778 unsigned int page_array_slab_size
; /* default page array slab size */
1780 /* For runtime compression statistics */
1781 u64 compr_written_block
;
1782 u64 compr_saved_block
;
1783 u32 compr_new_inode
;
1785 /* For compressed block cache */
1786 struct inode
*compress_inode
; /* cache compressed blocks */
1787 unsigned int compress_percent
; /* cache page percentage */
1788 unsigned int compress_watermark
; /* cache page watermark */
1789 atomic_t compress_page_hit
; /* cache hit count */
1792 #ifdef CONFIG_F2FS_IOSTAT
1793 /* For app/fs IO statistics */
1794 spinlock_t iostat_lock
;
1795 unsigned long long iostat_count
[NR_IO_TYPE
];
1796 unsigned long long iostat_bytes
[NR_IO_TYPE
];
1797 unsigned long long prev_iostat_bytes
[NR_IO_TYPE
];
1799 unsigned long iostat_next_period
;
1800 unsigned int iostat_period_ms
;
1802 /* For io latency related statistics info in one iostat period */
1803 spinlock_t iostat_lat_lock
;
1804 struct iostat_lat_info
*iostat_io_lat
;
1808 #ifdef CONFIG_F2FS_FAULT_INJECTION
1809 #define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__, \
1810 __builtin_return_address(0))
1811 static inline bool __time_to_inject(struct f2fs_sb_info
*sbi
, int type
,
1812 const char *func
, const char *parent_func
)
1814 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1816 if (!ffi
->inject_rate
)
1819 if (!IS_FAULT_SET(ffi
, type
))
1822 atomic_inc(&ffi
->inject_ops
);
1823 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1824 atomic_set(&ffi
->inject_ops
, 0);
1825 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n",
1826 KERN_INFO
, sbi
->sb
->s_id
, f2fs_fault_name
[type
],
1833 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1840 * Test if the mounted volume is a multi-device volume.
1841 * - For a single regular disk volume, sbi->s_ndevs is 0.
1842 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1843 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1845 static inline bool f2fs_is_multi_device(struct f2fs_sb_info
*sbi
)
1847 return sbi
->s_ndevs
> 1;
1850 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1852 unsigned long now
= jiffies
;
1854 sbi
->last_time
[type
] = now
;
1856 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1857 if (type
== REQ_TIME
) {
1858 sbi
->last_time
[DISCARD_TIME
] = now
;
1859 sbi
->last_time
[GC_TIME
] = now
;
1863 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1865 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1867 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1870 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1873 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1874 unsigned int wait_ms
= 0;
1877 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1879 wait_ms
= jiffies_to_msecs(delta
);
1887 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1888 const void *address
, unsigned int length
)
1891 struct shash_desc shash
;
1896 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1898 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1899 *(u32
*)desc
.ctx
= crc
;
1901 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1904 return *(u32
*)desc
.ctx
;
1907 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1908 unsigned int length
)
1910 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1913 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1914 void *buf
, size_t buf_size
)
1916 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1919 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1920 const void *address
, unsigned int length
)
1922 return __f2fs_crc32(sbi
, crc
, address
, length
);
1925 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1927 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1930 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1932 return sb
->s_fs_info
;
1935 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1937 return F2FS_SB(inode
->i_sb
);
1940 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1942 return F2FS_I_SB(mapping
->host
);
1945 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1947 return F2FS_M_SB(page_file_mapping(page
));
1950 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1952 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1955 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1957 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1960 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1962 return (struct f2fs_node
*)page_address(page
);
1965 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1967 return &((struct f2fs_node
*)page_address(page
))->i
;
1970 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1972 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1975 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1977 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1980 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1982 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1985 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1987 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1990 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1992 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1995 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1997 return sbi
->meta_inode
->i_mapping
;
2000 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
2002 return sbi
->node_inode
->i_mapping
;
2005 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
2007 return test_bit(type
, &sbi
->s_flag
);
2010 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
2012 set_bit(type
, &sbi
->s_flag
);
2015 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
2017 clear_bit(type
, &sbi
->s_flag
);
2020 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
2022 return le64_to_cpu(cp
->checkpoint_ver
);
2025 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
2027 if (type
< F2FS_MAX_QUOTAS
)
2028 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
2032 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
2034 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
2035 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
2038 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
2040 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
2042 return ckpt_flags
& f
;
2045 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
2047 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
2050 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
2052 unsigned int ckpt_flags
;
2054 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
2056 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
2059 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
2061 unsigned long flags
;
2063 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
2064 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
2065 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
2068 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
2070 unsigned int ckpt_flags
;
2072 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
2074 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
2077 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
2079 unsigned long flags
;
2081 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
2082 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
2083 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
2086 #define init_f2fs_rwsem(sem) \
2088 static struct lock_class_key __key; \
2090 __init_f2fs_rwsem((sem), #sem, &__key); \
2093 static inline void __init_f2fs_rwsem(struct f2fs_rwsem
*sem
,
2094 const char *sem_name
, struct lock_class_key
*key
)
2096 __init_rwsem(&sem
->internal_rwsem
, sem_name
, key
);
2097 #ifdef CONFIG_F2FS_UNFAIR_RWSEM
2098 init_waitqueue_head(&sem
->read_waiters
);
2102 static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem
*sem
)
2104 return rwsem_is_locked(&sem
->internal_rwsem
);
2107 static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem
*sem
)
2109 return rwsem_is_contended(&sem
->internal_rwsem
);
2112 static inline void f2fs_down_read(struct f2fs_rwsem
*sem
)
2114 #ifdef CONFIG_F2FS_UNFAIR_RWSEM
2115 wait_event(sem
->read_waiters
, down_read_trylock(&sem
->internal_rwsem
));
2117 down_read(&sem
->internal_rwsem
);
2121 static inline int f2fs_down_read_trylock(struct f2fs_rwsem
*sem
)
2123 return down_read_trylock(&sem
->internal_rwsem
);
2126 static inline void f2fs_up_read(struct f2fs_rwsem
*sem
)
2128 up_read(&sem
->internal_rwsem
);
2131 static inline void f2fs_down_write(struct f2fs_rwsem
*sem
)
2133 down_write(&sem
->internal_rwsem
);
2136 #ifdef CONFIG_DEBUG_LOCK_ALLOC
2137 static inline void f2fs_down_read_nested(struct f2fs_rwsem
*sem
, int subclass
)
2139 down_read_nested(&sem
->internal_rwsem
, subclass
);
2142 static inline void f2fs_down_write_nested(struct f2fs_rwsem
*sem
, int subclass
)
2144 down_write_nested(&sem
->internal_rwsem
, subclass
);
2147 #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem)
2148 #define f2fs_down_write_nested(sem, subclass) f2fs_down_write(sem)
2151 static inline int f2fs_down_write_trylock(struct f2fs_rwsem
*sem
)
2153 return down_write_trylock(&sem
->internal_rwsem
);
2156 static inline void f2fs_up_write(struct f2fs_rwsem
*sem
)
2158 up_write(&sem
->internal_rwsem
);
2159 #ifdef CONFIG_F2FS_UNFAIR_RWSEM
2160 wake_up_all(&sem
->read_waiters
);
2164 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
2166 f2fs_down_read(&sbi
->cp_rwsem
);
2169 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
2171 if (time_to_inject(sbi
, FAULT_LOCK_OP
))
2173 return f2fs_down_read_trylock(&sbi
->cp_rwsem
);
2176 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
2178 f2fs_up_read(&sbi
->cp_rwsem
);
2181 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
2183 f2fs_down_write(&sbi
->cp_rwsem
);
2186 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
2188 f2fs_up_write(&sbi
->cp_rwsem
);
2191 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
2193 int reason
= CP_SYNC
;
2195 if (test_opt(sbi
, FASTBOOT
))
2196 reason
= CP_FASTBOOT
;
2197 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
2202 static inline bool __remain_node_summaries(int reason
)
2204 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
2207 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
2209 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
2210 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
2214 * Check whether the inode has blocks or not
2216 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
2218 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
2220 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
2223 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
2225 return ofs
== XATTR_NODE_OFFSET
;
2228 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
2229 struct inode
*inode
, bool cap
)
2233 if (!test_opt(sbi
, RESERVE_ROOT
))
2235 if (IS_NOQUOTA(inode
))
2237 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
2239 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
2240 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
2242 if (cap
&& capable(CAP_SYS_RESOURCE
))
2247 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
2248 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
2249 struct inode
*inode
, blkcnt_t
*count
)
2251 blkcnt_t diff
= 0, release
= 0;
2252 block_t avail_user_block_count
;
2255 ret
= dquot_reserve_block(inode
, *count
);
2259 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
2265 * let's increase this in prior to actual block count change in order
2266 * for f2fs_sync_file to avoid data races when deciding checkpoint.
2268 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
2270 spin_lock(&sbi
->stat_lock
);
2271 sbi
->total_valid_block_count
+= (block_t
)(*count
);
2272 avail_user_block_count
= sbi
->user_block_count
-
2273 sbi
->current_reserved_blocks
;
2275 if (!__allow_reserved_blocks(sbi
, inode
, true))
2276 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
2278 if (F2FS_IO_ALIGNED(sbi
))
2279 avail_user_block_count
-= sbi
->blocks_per_seg
*
2280 SM_I(sbi
)->additional_reserved_segments
;
2282 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
))) {
2283 if (avail_user_block_count
> sbi
->unusable_block_count
)
2284 avail_user_block_count
-= sbi
->unusable_block_count
;
2286 avail_user_block_count
= 0;
2288 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
2289 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
2294 sbi
->total_valid_block_count
-= diff
;
2296 spin_unlock(&sbi
->stat_lock
);
2300 spin_unlock(&sbi
->stat_lock
);
2302 if (unlikely(release
)) {
2303 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2304 dquot_release_reservation_block(inode
, release
);
2306 f2fs_i_blocks_write(inode
, *count
, true, true);
2310 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2312 dquot_release_reservation_block(inode
, release
);
2317 void f2fs_printk(struct f2fs_sb_info
*sbi
, const char *fmt
, ...);
2319 #define f2fs_err(sbi, fmt, ...) \
2320 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2321 #define f2fs_warn(sbi, fmt, ...) \
2322 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2323 #define f2fs_notice(sbi, fmt, ...) \
2324 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2325 #define f2fs_info(sbi, fmt, ...) \
2326 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2327 #define f2fs_debug(sbi, fmt, ...) \
2328 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2330 #define PAGE_PRIVATE_GET_FUNC(name, flagname) \
2331 static inline bool page_private_##name(struct page *page) \
2333 return PagePrivate(page) && \
2334 test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
2335 test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
2338 #define PAGE_PRIVATE_SET_FUNC(name, flagname) \
2339 static inline void set_page_private_##name(struct page *page) \
2341 if (!PagePrivate(page)) \
2342 attach_page_private(page, (void *)0); \
2343 set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
2344 set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
2347 #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
2348 static inline void clear_page_private_##name(struct page *page) \
2350 clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
2351 if (page_private(page) == BIT(PAGE_PRIVATE_NOT_POINTER)) \
2352 detach_page_private(page); \
2355 PAGE_PRIVATE_GET_FUNC(nonpointer
, NOT_POINTER
);
2356 PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE
);
2357 PAGE_PRIVATE_GET_FUNC(gcing
, ONGOING_MIGRATION
);
2358 PAGE_PRIVATE_GET_FUNC(dummy
, DUMMY_WRITE
);
2360 PAGE_PRIVATE_SET_FUNC(reference
, REF_RESOURCE
);
2361 PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE
);
2362 PAGE_PRIVATE_SET_FUNC(gcing
, ONGOING_MIGRATION
);
2363 PAGE_PRIVATE_SET_FUNC(dummy
, DUMMY_WRITE
);
2365 PAGE_PRIVATE_CLEAR_FUNC(reference
, REF_RESOURCE
);
2366 PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE
);
2367 PAGE_PRIVATE_CLEAR_FUNC(gcing
, ONGOING_MIGRATION
);
2368 PAGE_PRIVATE_CLEAR_FUNC(dummy
, DUMMY_WRITE
);
2370 static inline unsigned long get_page_private_data(struct page
*page
)
2372 unsigned long data
= page_private(page
);
2374 if (!test_bit(PAGE_PRIVATE_NOT_POINTER
, &data
))
2376 return data
>> PAGE_PRIVATE_MAX
;
2379 static inline void set_page_private_data(struct page
*page
, unsigned long data
)
2381 if (!PagePrivate(page
))
2382 attach_page_private(page
, (void *)0);
2383 set_bit(PAGE_PRIVATE_NOT_POINTER
, &page_private(page
));
2384 page_private(page
) |= data
<< PAGE_PRIVATE_MAX
;
2387 static inline void clear_page_private_data(struct page
*page
)
2389 page_private(page
) &= GENMASK(PAGE_PRIVATE_MAX
- 1, 0);
2390 if (page_private(page
) == BIT(PAGE_PRIVATE_NOT_POINTER
))
2391 detach_page_private(page
);
2394 static inline void clear_page_private_all(struct page
*page
)
2396 clear_page_private_data(page
);
2397 clear_page_private_reference(page
);
2398 clear_page_private_gcing(page
);
2399 clear_page_private_inline(page
);
2401 f2fs_bug_on(F2FS_P_SB(page
), page_private(page
));
2404 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
2405 struct inode
*inode
,
2408 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
2410 spin_lock(&sbi
->stat_lock
);
2411 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
2412 sbi
->total_valid_block_count
-= (block_t
)count
;
2413 if (sbi
->reserved_blocks
&&
2414 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2415 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
2416 sbi
->current_reserved_blocks
+ count
);
2417 spin_unlock(&sbi
->stat_lock
);
2418 if (unlikely(inode
->i_blocks
< sectors
)) {
2419 f2fs_warn(sbi
, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2421 (unsigned long long)inode
->i_blocks
,
2422 (unsigned long long)sectors
);
2423 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2426 f2fs_i_blocks_write(inode
, count
, false, true);
2429 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2431 atomic_inc(&sbi
->nr_pages
[count_type
]);
2433 if (count_type
== F2FS_DIRTY_DENTS
||
2434 count_type
== F2FS_DIRTY_NODES
||
2435 count_type
== F2FS_DIRTY_META
||
2436 count_type
== F2FS_DIRTY_QDATA
||
2437 count_type
== F2FS_DIRTY_IMETA
)
2438 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
2441 static inline void inode_inc_dirty_pages(struct inode
*inode
)
2443 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
2444 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2445 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2446 if (IS_NOQUOTA(inode
))
2447 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2450 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2452 atomic_dec(&sbi
->nr_pages
[count_type
]);
2455 static inline void inode_dec_dirty_pages(struct inode
*inode
)
2457 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
2458 !S_ISLNK(inode
->i_mode
))
2461 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
2462 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2463 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2464 if (IS_NOQUOTA(inode
))
2465 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2468 static inline void inc_atomic_write_cnt(struct inode
*inode
)
2470 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2471 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2474 fi
->atomic_write_cnt
++;
2475 atomic64_inc(&sbi
->current_atomic_write
);
2476 current_write
= atomic64_read(&sbi
->current_atomic_write
);
2477 if (current_write
> sbi
->peak_atomic_write
)
2478 sbi
->peak_atomic_write
= current_write
;
2481 static inline void release_atomic_write_cnt(struct inode
*inode
)
2483 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2484 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2486 atomic64_sub(fi
->atomic_write_cnt
, &sbi
->current_atomic_write
);
2487 fi
->atomic_write_cnt
= 0;
2490 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
2492 return atomic_read(&sbi
->nr_pages
[count_type
]);
2495 static inline int get_dirty_pages(struct inode
*inode
)
2497 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
2500 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
2502 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
2503 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
2504 sbi
->log_blocks_per_seg
;
2506 return segs
/ sbi
->segs_per_sec
;
2509 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
2511 return sbi
->total_valid_block_count
;
2514 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
2516 return sbi
->discard_blks
;
2519 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
2521 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2523 /* return NAT or SIT bitmap */
2524 if (flag
== NAT_BITMAP
)
2525 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
2526 else if (flag
== SIT_BITMAP
)
2527 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
2532 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
2534 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
2537 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
2539 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2540 void *tmp_ptr
= &ckpt
->sit_nat_version_bitmap
;
2543 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
2544 offset
= (flag
== SIT_BITMAP
) ?
2545 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
2547 * if large_nat_bitmap feature is enabled, leave checksum
2548 * protection for all nat/sit bitmaps.
2550 return tmp_ptr
+ offset
+ sizeof(__le32
);
2553 if (__cp_payload(sbi
) > 0) {
2554 if (flag
== NAT_BITMAP
)
2557 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
2559 offset
= (flag
== NAT_BITMAP
) ?
2560 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
2561 return tmp_ptr
+ offset
;
2565 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
2567 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2569 if (sbi
->cur_cp_pack
== 2)
2570 start_addr
+= sbi
->blocks_per_seg
;
2574 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
2576 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2578 if (sbi
->cur_cp_pack
== 1)
2579 start_addr
+= sbi
->blocks_per_seg
;
2583 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
2585 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
2588 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
2590 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
2593 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
2594 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
2595 struct inode
*inode
, bool is_inode
)
2597 block_t valid_block_count
;
2598 unsigned int valid_node_count
, user_block_count
;
2603 err
= dquot_alloc_inode(inode
);
2608 err
= dquot_reserve_block(inode
, 1);
2613 if (time_to_inject(sbi
, FAULT_BLOCK
))
2616 spin_lock(&sbi
->stat_lock
);
2618 valid_block_count
= sbi
->total_valid_block_count
+
2619 sbi
->current_reserved_blocks
+ 1;
2621 if (!__allow_reserved_blocks(sbi
, inode
, false))
2622 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
2624 if (F2FS_IO_ALIGNED(sbi
))
2625 valid_block_count
+= sbi
->blocks_per_seg
*
2626 SM_I(sbi
)->additional_reserved_segments
;
2628 user_block_count
= sbi
->user_block_count
;
2629 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
2630 user_block_count
-= sbi
->unusable_block_count
;
2632 if (unlikely(valid_block_count
> user_block_count
)) {
2633 spin_unlock(&sbi
->stat_lock
);
2637 valid_node_count
= sbi
->total_valid_node_count
+ 1;
2638 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
2639 spin_unlock(&sbi
->stat_lock
);
2643 sbi
->total_valid_node_count
++;
2644 sbi
->total_valid_block_count
++;
2645 spin_unlock(&sbi
->stat_lock
);
2649 f2fs_mark_inode_dirty_sync(inode
, true);
2651 f2fs_i_blocks_write(inode
, 1, true, true);
2654 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
2660 dquot_free_inode(inode
);
2662 dquot_release_reservation_block(inode
, 1);
2667 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2668 struct inode
*inode
, bool is_inode
)
2670 spin_lock(&sbi
->stat_lock
);
2672 if (unlikely(!sbi
->total_valid_block_count
||
2673 !sbi
->total_valid_node_count
)) {
2674 f2fs_warn(sbi
, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u",
2675 sbi
->total_valid_block_count
,
2676 sbi
->total_valid_node_count
);
2677 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2679 sbi
->total_valid_block_count
--;
2680 sbi
->total_valid_node_count
--;
2683 if (sbi
->reserved_blocks
&&
2684 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2685 sbi
->current_reserved_blocks
++;
2687 spin_unlock(&sbi
->stat_lock
);
2690 dquot_free_inode(inode
);
2692 if (unlikely(inode
->i_blocks
== 0)) {
2693 f2fs_warn(sbi
, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2695 (unsigned long long)inode
->i_blocks
);
2696 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2699 f2fs_i_blocks_write(inode
, 1, false, true);
2703 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2705 return sbi
->total_valid_node_count
;
2708 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2710 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2713 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2715 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2718 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2720 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2723 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2724 pgoff_t index
, bool for_write
)
2729 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2731 page
= find_get_page_flags(mapping
, index
,
2732 FGP_LOCK
| FGP_ACCESSED
);
2734 page
= find_lock_page(mapping
, index
);
2738 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
))
2743 return grab_cache_page(mapping
, index
);
2745 flags
= memalloc_nofs_save();
2746 page
= grab_cache_page_write_begin(mapping
, index
);
2747 memalloc_nofs_restore(flags
);
2752 static inline struct page
*f2fs_pagecache_get_page(
2753 struct address_space
*mapping
, pgoff_t index
,
2754 fgf_t fgp_flags
, gfp_t gfp_mask
)
2756 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
))
2759 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2762 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2768 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2774 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2777 f2fs_put_page(dn
->node_page
, 1);
2778 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2779 f2fs_put_page(dn
->inode_page
, 0);
2780 dn
->node_page
= NULL
;
2781 dn
->inode_page
= NULL
;
2784 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2787 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2790 static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache
*cachep
,
2795 entry
= kmem_cache_alloc(cachep
, flags
);
2797 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2801 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2802 gfp_t flags
, bool nofail
, struct f2fs_sb_info
*sbi
)
2805 return f2fs_kmem_cache_alloc_nofail(cachep
, flags
);
2807 if (time_to_inject(sbi
, FAULT_SLAB_ALLOC
))
2810 return kmem_cache_alloc(cachep
, flags
);
2813 static inline bool is_inflight_io(struct f2fs_sb_info
*sbi
, int type
)
2815 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2816 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2817 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2818 get_pages(sbi
, F2FS_DIO_READ
) ||
2819 get_pages(sbi
, F2FS_DIO_WRITE
))
2822 if (type
!= DISCARD_TIME
&& SM_I(sbi
) && SM_I(sbi
)->dcc_info
&&
2823 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
))
2826 if (SM_I(sbi
) && SM_I(sbi
)->fcc_info
&&
2827 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2832 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2834 if (sbi
->gc_mode
== GC_URGENT_HIGH
)
2837 if (is_inflight_io(sbi
, type
))
2840 if (sbi
->gc_mode
== GC_URGENT_MID
)
2843 if (sbi
->gc_mode
== GC_URGENT_LOW
&&
2844 (type
== DISCARD_TIME
|| type
== GC_TIME
))
2847 return f2fs_time_over(sbi
, type
);
2850 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2851 unsigned long index
, void *item
)
2853 while (radix_tree_insert(root
, index
, item
))
2857 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2859 static inline bool IS_INODE(struct page
*page
)
2861 struct f2fs_node
*p
= F2FS_NODE(page
);
2863 return RAW_IS_INODE(p
);
2866 static inline int offset_in_addr(struct f2fs_inode
*i
)
2868 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2869 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2872 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2874 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2877 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2878 static inline block_t
data_blkaddr(struct inode
*inode
,
2879 struct page
*node_page
, unsigned int offset
)
2881 struct f2fs_node
*raw_node
;
2884 bool is_inode
= IS_INODE(node_page
);
2886 raw_node
= F2FS_NODE(node_page
);
2890 /* from GC path only */
2891 base
= offset_in_addr(&raw_node
->i
);
2892 else if (f2fs_has_extra_attr(inode
))
2893 base
= get_extra_isize(inode
);
2896 addr_array
= blkaddr_in_node(raw_node
);
2897 return le32_to_cpu(addr_array
[base
+ offset
]);
2900 static inline block_t
f2fs_data_blkaddr(struct dnode_of_data
*dn
)
2902 return data_blkaddr(dn
->inode
, dn
->node_page
, dn
->ofs_in_node
);
2905 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2910 mask
= BIT(7 - (nr
& 0x07));
2911 return mask
& *addr
;
2914 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2919 mask
= BIT(7 - (nr
& 0x07));
2923 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2928 mask
= BIT(7 - (nr
& 0x07));
2932 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2938 mask
= BIT(7 - (nr
& 0x07));
2944 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2950 mask
= BIT(7 - (nr
& 0x07));
2956 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2961 mask
= BIT(7 - (nr
& 0x07));
2966 * On-disk inode flags (f2fs_inode::i_flags)
2968 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2969 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2970 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2971 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2972 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2973 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2974 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
2975 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2976 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2977 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2978 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2980 #define F2FS_QUOTA_DEFAULT_FL (F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL)
2982 /* Flags that should be inherited by new inodes from their parent. */
2983 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2984 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2987 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2988 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2991 /* Flags that are appropriate for non-directories/regular files. */
2992 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2994 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2998 else if (S_ISREG(mode
))
2999 return flags
& F2FS_REG_FLMASK
;
3001 return flags
& F2FS_OTHER_FLMASK
;
3004 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
3008 case FI_INLINE_XATTR
:
3009 case FI_INLINE_DATA
:
3010 case FI_INLINE_DENTRY
:
3016 case FI_INLINE_DOTS
:
3018 case FI_COMPRESS_RELEASED
:
3019 f2fs_mark_inode_dirty_sync(inode
, true);
3023 static inline void set_inode_flag(struct inode
*inode
, int flag
)
3025 set_bit(flag
, F2FS_I(inode
)->flags
);
3026 __mark_inode_dirty_flag(inode
, flag
, true);
3029 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
3031 return test_bit(flag
, F2FS_I(inode
)->flags
);
3034 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
3036 clear_bit(flag
, F2FS_I(inode
)->flags
);
3037 __mark_inode_dirty_flag(inode
, flag
, false);
3040 static inline bool f2fs_verity_in_progress(struct inode
*inode
)
3042 return IS_ENABLED(CONFIG_FS_VERITY
) &&
3043 is_inode_flag_set(inode
, FI_VERITY_IN_PROGRESS
);
3046 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
3048 F2FS_I(inode
)->i_acl_mode
= mode
;
3049 set_inode_flag(inode
, FI_ACL_MODE
);
3050 f2fs_mark_inode_dirty_sync(inode
, false);
3053 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
3059 f2fs_mark_inode_dirty_sync(inode
, true);
3062 static inline void f2fs_i_blocks_write(struct inode
*inode
,
3063 block_t diff
, bool add
, bool claim
)
3065 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
3066 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
3068 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
3071 dquot_claim_block(inode
, diff
);
3073 dquot_alloc_block_nofail(inode
, diff
);
3075 dquot_free_block(inode
, diff
);
3078 f2fs_mark_inode_dirty_sync(inode
, true);
3079 if (clean
|| recover
)
3080 set_inode_flag(inode
, FI_AUTO_RECOVER
);
3083 static inline bool f2fs_is_atomic_file(struct inode
*inode
);
3085 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
3087 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
3088 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
3090 if (i_size_read(inode
) == i_size
)
3093 i_size_write(inode
, i_size
);
3095 if (f2fs_is_atomic_file(inode
))
3098 f2fs_mark_inode_dirty_sync(inode
, true);
3099 if (clean
|| recover
)
3100 set_inode_flag(inode
, FI_AUTO_RECOVER
);
3103 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
3105 F2FS_I(inode
)->i_current_depth
= depth
;
3106 f2fs_mark_inode_dirty_sync(inode
, true);
3109 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
3112 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
3113 f2fs_mark_inode_dirty_sync(inode
, true);
3116 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
3118 F2FS_I(inode
)->i_xattr_nid
= xnid
;
3119 f2fs_mark_inode_dirty_sync(inode
, true);
3122 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
3124 F2FS_I(inode
)->i_pino
= pino
;
3125 f2fs_mark_inode_dirty_sync(inode
, true);
3128 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
3130 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
3132 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
3133 set_bit(FI_INLINE_XATTR
, fi
->flags
);
3134 if (ri
->i_inline
& F2FS_INLINE_DATA
)
3135 set_bit(FI_INLINE_DATA
, fi
->flags
);
3136 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
3137 set_bit(FI_INLINE_DENTRY
, fi
->flags
);
3138 if (ri
->i_inline
& F2FS_DATA_EXIST
)
3139 set_bit(FI_DATA_EXIST
, fi
->flags
);
3140 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
3141 set_bit(FI_INLINE_DOTS
, fi
->flags
);
3142 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
3143 set_bit(FI_EXTRA_ATTR
, fi
->flags
);
3144 if (ri
->i_inline
& F2FS_PIN_FILE
)
3145 set_bit(FI_PIN_FILE
, fi
->flags
);
3146 if (ri
->i_inline
& F2FS_COMPRESS_RELEASED
)
3147 set_bit(FI_COMPRESS_RELEASED
, fi
->flags
);
3150 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
3154 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
3155 ri
->i_inline
|= F2FS_INLINE_XATTR
;
3156 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
3157 ri
->i_inline
|= F2FS_INLINE_DATA
;
3158 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
3159 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
3160 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
3161 ri
->i_inline
|= F2FS_DATA_EXIST
;
3162 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
3163 ri
->i_inline
|= F2FS_INLINE_DOTS
;
3164 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
3165 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
3166 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
3167 ri
->i_inline
|= F2FS_PIN_FILE
;
3168 if (is_inode_flag_set(inode
, FI_COMPRESS_RELEASED
))
3169 ri
->i_inline
|= F2FS_COMPRESS_RELEASED
;
3172 static inline int f2fs_has_extra_attr(struct inode
*inode
)
3174 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
3177 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
3179 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
3182 static inline int f2fs_compressed_file(struct inode
*inode
)
3184 return S_ISREG(inode
->i_mode
) &&
3185 is_inode_flag_set(inode
, FI_COMPRESSED_FILE
);
3188 static inline bool f2fs_need_compress_data(struct inode
*inode
)
3190 int compress_mode
= F2FS_OPTION(F2FS_I_SB(inode
)).compress_mode
;
3192 if (!f2fs_compressed_file(inode
))
3195 if (compress_mode
== COMPR_MODE_FS
)
3197 else if (compress_mode
== COMPR_MODE_USER
&&
3198 is_inode_flag_set(inode
, FI_ENABLE_COMPRESS
))
3204 static inline unsigned int addrs_per_inode(struct inode
*inode
)
3206 unsigned int addrs
= CUR_ADDRS_PER_INODE(inode
) -
3207 get_inline_xattr_addrs(inode
);
3209 if (!f2fs_compressed_file(inode
))
3211 return ALIGN_DOWN(addrs
, F2FS_I(inode
)->i_cluster_size
);
3214 static inline unsigned int addrs_per_block(struct inode
*inode
)
3216 if (!f2fs_compressed_file(inode
))
3217 return DEF_ADDRS_PER_BLOCK
;
3218 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK
, F2FS_I(inode
)->i_cluster_size
);
3221 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
3223 struct f2fs_inode
*ri
= F2FS_INODE(page
);
3225 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
3226 get_inline_xattr_addrs(inode
)]);
3229 static inline int inline_xattr_size(struct inode
*inode
)
3231 if (f2fs_has_inline_xattr(inode
))
3232 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
3237 * Notice: check inline_data flag without inode page lock is unsafe.
3238 * It could change at any time by f2fs_convert_inline_page().
3240 static inline int f2fs_has_inline_data(struct inode
*inode
)
3242 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
3245 static inline int f2fs_exist_data(struct inode
*inode
)
3247 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
3250 static inline int f2fs_has_inline_dots(struct inode
*inode
)
3252 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
3255 static inline int f2fs_is_mmap_file(struct inode
*inode
)
3257 return is_inode_flag_set(inode
, FI_MMAP_FILE
);
3260 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
3262 return is_inode_flag_set(inode
, FI_PIN_FILE
);
3265 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
3267 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
3270 static inline bool f2fs_is_cow_file(struct inode
*inode
)
3272 return is_inode_flag_set(inode
, FI_COW_FILE
);
3275 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
3277 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
3280 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
3282 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
3285 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
3287 struct f2fs_inode
*ri
= F2FS_INODE(page
);
3288 int extra_size
= get_extra_isize(inode
);
3290 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
3293 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
3295 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
3298 static inline int is_file(struct inode
*inode
, int type
)
3300 return F2FS_I(inode
)->i_advise
& type
;
3303 static inline void set_file(struct inode
*inode
, int type
)
3305 if (is_file(inode
, type
))
3307 F2FS_I(inode
)->i_advise
|= type
;
3308 f2fs_mark_inode_dirty_sync(inode
, true);
3311 static inline void clear_file(struct inode
*inode
, int type
)
3313 if (!is_file(inode
, type
))
3315 F2FS_I(inode
)->i_advise
&= ~type
;
3316 f2fs_mark_inode_dirty_sync(inode
, true);
3319 static inline bool f2fs_is_time_consistent(struct inode
*inode
)
3321 struct timespec64 ts
= inode_get_atime(inode
);
3323 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &ts
))
3325 ts
= inode_get_ctime(inode
);
3326 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &ts
))
3328 ts
= inode_get_mtime(inode
);
3329 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &ts
))
3334 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
3339 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3341 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
3342 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
3343 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
3346 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
3347 file_keep_isize(inode
) ||
3348 i_size_read(inode
) & ~PAGE_MASK
)
3351 if (!f2fs_is_time_consistent(inode
))
3354 spin_lock(&F2FS_I(inode
)->i_size_lock
);
3355 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
3356 spin_unlock(&F2FS_I(inode
)->i_size_lock
);
3361 static inline bool f2fs_readonly(struct super_block
*sb
)
3363 return sb_rdonly(sb
);
3366 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
3368 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
3371 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
3372 size_t size
, gfp_t flags
)
3374 if (time_to_inject(sbi
, FAULT_KMALLOC
))
3377 return kmalloc(size
, flags
);
3380 static inline void *f2fs_getname(struct f2fs_sb_info
*sbi
)
3382 if (time_to_inject(sbi
, FAULT_KMALLOC
))
3388 static inline void f2fs_putname(char *buf
)
3393 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
3394 size_t size
, gfp_t flags
)
3396 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
3399 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
3400 size_t size
, gfp_t flags
)
3402 if (time_to_inject(sbi
, FAULT_KVMALLOC
))
3405 return kvmalloc(size
, flags
);
3408 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
3409 size_t size
, gfp_t flags
)
3411 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
3414 static inline int get_extra_isize(struct inode
*inode
)
3416 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
3419 static inline int get_inline_xattr_addrs(struct inode
*inode
)
3421 return F2FS_I(inode
)->i_inline_xattr_size
;
3424 #define f2fs_get_inode_mode(i) \
3425 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3426 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3428 #define F2FS_MIN_EXTRA_ATTR_SIZE (sizeof(__le32))
3430 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3431 (offsetof(struct f2fs_inode, i_extra_end) - \
3432 offsetof(struct f2fs_inode, i_extra_isize)) \
3434 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3435 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3436 ((offsetof(typeof(*(f2fs_inode)), field) + \
3437 sizeof((f2fs_inode)->field)) \
3438 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3440 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3442 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3444 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3445 block_t blkaddr
, int type
);
3446 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
3447 block_t blkaddr
, int type
)
3449 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
3450 f2fs_err(sbi
, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3452 f2fs_bug_on(sbi
, 1);
3456 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
3458 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
||
3459 blkaddr
== COMPRESS_ADDR
)
3467 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
3468 int f2fs_do_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3469 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3470 int f2fs_truncate(struct inode
*inode
);
3471 int f2fs_getattr(struct mnt_idmap
*idmap
, const struct path
*path
,
3472 struct kstat
*stat
, u32 request_mask
, unsigned int flags
);
3473 int f2fs_setattr(struct mnt_idmap
*idmap
, struct dentry
*dentry
,
3474 struct iattr
*attr
);
3475 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
3476 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
3477 int f2fs_precache_extents(struct inode
*inode
);
3478 int f2fs_fileattr_get(struct dentry
*dentry
, struct fileattr
*fa
);
3479 int f2fs_fileattr_set(struct mnt_idmap
*idmap
,
3480 struct dentry
*dentry
, struct fileattr
*fa
);
3481 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
3482 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
3483 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
3484 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
3489 void f2fs_set_inode_flags(struct inode
*inode
);
3490 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
3491 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
3492 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
3493 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
3494 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3495 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
3496 void f2fs_update_inode_page(struct inode
*inode
);
3497 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
3498 void f2fs_evict_inode(struct inode
*inode
);
3499 void f2fs_handle_failed_inode(struct inode
*inode
);
3504 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
3505 bool hot
, bool set
);
3506 struct dentry
*f2fs_get_parent(struct dentry
*child
);
3507 int f2fs_get_tmpfile(struct mnt_idmap
*idmap
, struct inode
*dir
,
3508 struct inode
**new_inode
);
3513 int f2fs_init_casefolded_name(const struct inode
*dir
,
3514 struct f2fs_filename
*fname
);
3515 int f2fs_setup_filename(struct inode
*dir
, const struct qstr
*iname
,
3516 int lookup
, struct f2fs_filename
*fname
);
3517 int f2fs_prepare_lookup(struct inode
*dir
, struct dentry
*dentry
,
3518 struct f2fs_filename
*fname
);
3519 void f2fs_free_filename(struct f2fs_filename
*fname
);
3520 struct f2fs_dir_entry
*f2fs_find_target_dentry(const struct f2fs_dentry_ptr
*d
,
3521 const struct f2fs_filename
*fname
, int *max_slots
);
3522 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
3523 unsigned int start_pos
, struct fscrypt_str
*fstr
);
3524 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
3525 struct f2fs_dentry_ptr
*d
);
3526 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
3527 const struct f2fs_filename
*fname
, struct page
*dpage
);
3528 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
3529 unsigned int current_depth
);
3530 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
3531 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
3532 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
3533 const struct f2fs_filename
*fname
,
3534 struct page
**res_page
);
3535 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
3536 const struct qstr
*child
, struct page
**res_page
);
3537 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
3538 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
3539 struct page
**page
);
3540 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
3541 struct page
*page
, struct inode
*inode
);
3542 bool f2fs_has_enough_room(struct inode
*dir
, struct page
*ipage
,
3543 const struct f2fs_filename
*fname
);
3544 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
3545 const struct fscrypt_str
*name
, f2fs_hash_t name_hash
,
3546 unsigned int bit_pos
);
3547 int f2fs_add_regular_entry(struct inode
*dir
, const struct f2fs_filename
*fname
,
3548 struct inode
*inode
, nid_t ino
, umode_t mode
);
3549 int f2fs_add_dentry(struct inode
*dir
, const struct f2fs_filename
*fname
,
3550 struct inode
*inode
, nid_t ino
, umode_t mode
);
3551 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
3552 struct inode
*inode
, nid_t ino
, umode_t mode
);
3553 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
3554 struct inode
*dir
, struct inode
*inode
);
3555 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
3556 bool f2fs_empty_dir(struct inode
*dir
);
3558 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
3560 if (fscrypt_is_nokey_name(dentry
))
3562 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
3563 inode
, inode
->i_ino
, inode
->i_mode
);
3569 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
3570 void f2fs_inode_synced(struct inode
*inode
);
3571 int f2fs_dquot_initialize(struct inode
*inode
);
3572 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
3573 int f2fs_quota_sync(struct super_block
*sb
, int type
);
3574 loff_t
max_file_blocks(struct inode
*inode
);
3575 void f2fs_quota_off_umount(struct super_block
*sb
);
3576 void f2fs_save_errors(struct f2fs_sb_info
*sbi
, unsigned char flag
);
3577 void f2fs_handle_critical_error(struct f2fs_sb_info
*sbi
, unsigned char reason
,
3579 void f2fs_handle_error(struct f2fs_sb_info
*sbi
, unsigned char error
);
3580 void f2fs_handle_error_async(struct f2fs_sb_info
*sbi
, unsigned char error
);
3581 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
3582 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
3583 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
3588 void f2fs_hash_filename(const struct inode
*dir
, struct f2fs_filename
*fname
);
3595 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
3596 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
3597 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
3598 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
3599 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
3600 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
3601 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
3602 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
3603 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
3604 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
3605 struct node_info
*ni
, bool checkpoint_context
);
3606 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
3607 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
3608 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
3609 int f2fs_truncate_xattr_node(struct inode
*inode
);
3610 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
3611 unsigned int seq_id
);
3612 bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info
*sbi
);
3613 int f2fs_remove_inode_page(struct inode
*inode
);
3614 struct page
*f2fs_new_inode_page(struct inode
*inode
);
3615 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
3616 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
3617 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
3618 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
3619 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
3620 void f2fs_flush_inline_data(struct f2fs_sb_info
*sbi
);
3621 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
3622 struct writeback_control
*wbc
, bool atomic
,
3623 unsigned int *seq_id
);
3624 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
3625 struct writeback_control
*wbc
,
3626 bool do_balance
, enum iostat_type io_type
);
3627 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
3628 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
3629 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
3630 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
3631 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3632 int f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
3633 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
3634 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
3635 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
3636 unsigned int segno
, struct f2fs_summary_block
*sum
);
3637 void f2fs_enable_nat_bits(struct f2fs_sb_info
*sbi
);
3638 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3639 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
3640 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
3641 int __init
f2fs_create_node_manager_caches(void);
3642 void f2fs_destroy_node_manager_caches(void);
3647 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
3648 int f2fs_commit_atomic_write(struct inode
*inode
);
3649 void f2fs_abort_atomic_write(struct inode
*inode
, bool clean
);
3650 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3651 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
, bool from_bg
);
3652 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3653 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3654 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3655 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3656 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3657 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3658 int f2fs_start_discard_thread(struct f2fs_sb_info
*sbi
);
3659 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3660 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3661 bool f2fs_issue_discard_timeout(struct f2fs_sb_info
*sbi
);
3662 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3663 struct cp_control
*cpc
);
3664 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3665 block_t
f2fs_get_unusable_blocks(struct f2fs_sb_info
*sbi
);
3666 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
, block_t unusable
);
3667 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3668 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3669 bool f2fs_segment_has_free_slot(struct f2fs_sb_info
*sbi
, int segno
);
3670 void f2fs_init_inmem_curseg(struct f2fs_sb_info
*sbi
);
3671 void f2fs_save_inmem_curseg(struct f2fs_sb_info
*sbi
);
3672 void f2fs_restore_inmem_curseg(struct f2fs_sb_info
*sbi
);
3673 void f2fs_get_new_segment(struct f2fs_sb_info
*sbi
,
3674 unsigned int *newseg
, bool new_sec
, int dir
);
3675 void f2fs_allocate_segment_for_resize(struct f2fs_sb_info
*sbi
, int type
,
3676 unsigned int start
, unsigned int end
);
3677 void f2fs_allocate_new_section(struct f2fs_sb_info
*sbi
, int type
, bool force
);
3678 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
3679 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3680 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3681 struct cp_control
*cpc
);
3682 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3683 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3685 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3686 enum iostat_type io_type
);
3687 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3688 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3689 struct f2fs_io_info
*fio
);
3690 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3691 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3692 block_t old_blkaddr
, block_t new_blkaddr
,
3693 bool recover_curseg
, bool recover_newaddr
,
3695 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3696 block_t old_addr
, block_t new_addr
,
3697 unsigned char version
, bool recover_curseg
,
3698 bool recover_newaddr
);
3699 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3700 block_t old_blkaddr
, block_t
*new_blkaddr
,
3701 struct f2fs_summary
*sum
, int type
,
3702 struct f2fs_io_info
*fio
);
3703 void f2fs_update_device_state(struct f2fs_sb_info
*sbi
, nid_t ino
,
3704 block_t blkaddr
, unsigned int blkcnt
);
3705 void f2fs_wait_on_page_writeback(struct page
*page
,
3706 enum page_type type
, bool ordered
, bool locked
);
3707 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3708 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3710 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3711 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3712 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3713 unsigned int val
, int alloc
);
3714 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3715 int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info
*sbi
);
3716 int f2fs_check_write_pointer(struct f2fs_sb_info
*sbi
);
3717 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3718 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3719 int __init
f2fs_create_segment_manager_caches(void);
3720 void f2fs_destroy_segment_manager_caches(void);
3721 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3722 unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info
*sbi
,
3723 unsigned int segno
);
3724 unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info
*sbi
,
3725 unsigned int segno
);
3727 #define DEF_FRAGMENT_SIZE 4
3728 #define MIN_FRAGMENT_SIZE 1
3729 #define MAX_FRAGMENT_SIZE 512
3731 static inline bool f2fs_need_rand_seg(struct f2fs_sb_info
*sbi
)
3733 return F2FS_OPTION(sbi
).fs_mode
== FS_MODE_FRAGMENT_SEG
||
3734 F2FS_OPTION(sbi
).fs_mode
== FS_MODE_FRAGMENT_BLK
;
3740 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
,
3741 unsigned char reason
);
3742 void f2fs_flush_ckpt_thread(struct f2fs_sb_info
*sbi
);
3743 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3744 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3745 struct page
*f2fs_get_meta_page_retry(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3746 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3747 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3748 block_t blkaddr
, int type
);
3749 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3750 int type
, bool sync
);
3751 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
,
3752 unsigned int ra_blocks
);
3753 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3754 long nr_to_write
, enum iostat_type io_type
);
3755 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3756 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3757 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3758 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3759 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3760 unsigned int devidx
, int type
);
3761 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3762 unsigned int devidx
, int type
);
3763 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3764 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3765 void f2fs_add_orphan_inode(struct inode
*inode
);
3766 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3767 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3768 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3769 void f2fs_update_dirty_folio(struct inode
*inode
, struct folio
*folio
);
3770 void f2fs_remove_dirty_inode(struct inode
*inode
);
3771 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
,
3773 void f2fs_wait_on_all_pages(struct f2fs_sb_info
*sbi
, int type
);
3774 u64
f2fs_get_sectors_written(struct f2fs_sb_info
*sbi
);
3775 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3776 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3777 int __init
f2fs_create_checkpoint_caches(void);
3778 void f2fs_destroy_checkpoint_caches(void);
3779 int f2fs_issue_checkpoint(struct f2fs_sb_info
*sbi
);
3780 int f2fs_start_ckpt_thread(struct f2fs_sb_info
*sbi
);
3781 void f2fs_stop_ckpt_thread(struct f2fs_sb_info
*sbi
);
3782 void f2fs_init_ckpt_req_control(struct f2fs_sb_info
*sbi
);
3787 int __init
f2fs_init_bioset(void);
3788 void f2fs_destroy_bioset(void);
3789 int f2fs_init_bio_entry_cache(void);
3790 void f2fs_destroy_bio_entry_cache(void);
3791 void f2fs_submit_read_bio(struct f2fs_sb_info
*sbi
, struct bio
*bio
,
3792 enum page_type type
);
3793 int f2fs_init_write_merge_io(struct f2fs_sb_info
*sbi
);
3794 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3795 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3796 struct inode
*inode
, struct page
*page
,
3797 nid_t ino
, enum page_type type
);
3798 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info
*sbi
,
3799 struct bio
**bio
, struct page
*page
);
3800 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3801 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3802 int f2fs_merge_page_bio(struct f2fs_io_info
*fio
);
3803 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3804 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3805 block_t blk_addr
, sector_t
*sector
);
3806 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3807 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3808 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3809 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3810 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3811 int f2fs_get_block_locked(struct dnode_of_data
*dn
, pgoff_t index
);
3812 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3813 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3814 blk_opf_t op_flags
, bool for_write
, pgoff_t
*next_pgofs
);
3815 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
,
3816 pgoff_t
*next_pgofs
);
3817 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3819 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3820 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3821 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3822 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
, int flag
);
3823 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3824 u64 start
, u64 len
);
3825 int f2fs_encrypt_one_page(struct f2fs_io_info
*fio
);
3826 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3827 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3828 int f2fs_write_single_data_page(struct page
*page
, int *submitted
,
3829 struct bio
**bio
, sector_t
*last_block
,
3830 struct writeback_control
*wbc
,
3831 enum iostat_type io_type
,
3832 int compr_blocks
, bool allow_balance
);
3833 void f2fs_write_failed(struct inode
*inode
, loff_t to
);
3834 void f2fs_invalidate_folio(struct folio
*folio
, size_t offset
, size_t length
);
3835 bool f2fs_release_folio(struct folio
*folio
, gfp_t wait
);
3836 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3837 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3838 int f2fs_init_post_read_processing(void);
3839 void f2fs_destroy_post_read_processing(void);
3840 int f2fs_init_post_read_wq(struct f2fs_sb_info
*sbi
);
3841 void f2fs_destroy_post_read_wq(struct f2fs_sb_info
*sbi
);
3842 extern const struct iomap_ops f2fs_iomap_ops
;
3847 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3848 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3849 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3850 int f2fs_gc(struct f2fs_sb_info
*sbi
, struct f2fs_gc_control
*gc_control
);
3851 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3852 int f2fs_resize_fs(struct file
*filp
, __u64 block_count
);
3853 int __init
f2fs_create_garbage_collection_cache(void);
3854 void f2fs_destroy_garbage_collection_cache(void);
3855 /* victim selection function for cleaning and SSR */
3856 int f2fs_get_victim(struct f2fs_sb_info
*sbi
, unsigned int *result
,
3857 int gc_type
, int type
, char alloc_mode
,
3858 unsigned long long age
);
3863 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3864 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3865 int __init
f2fs_create_recovery_cache(void);
3866 void f2fs_destroy_recovery_cache(void);
3871 #ifdef CONFIG_F2FS_STAT_FS
3872 struct f2fs_stat_info
{
3873 struct list_head stat_list
;
3874 struct f2fs_sb_info
*sbi
;
3875 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3876 int main_area_segs
, main_area_sections
, main_area_zones
;
3877 unsigned long long hit_cached
[NR_EXTENT_CACHES
];
3878 unsigned long long hit_rbtree
[NR_EXTENT_CACHES
];
3879 unsigned long long total_ext
[NR_EXTENT_CACHES
];
3880 unsigned long long hit_total
[NR_EXTENT_CACHES
];
3881 int ext_tree
[NR_EXTENT_CACHES
];
3882 int zombie_tree
[NR_EXTENT_CACHES
];
3883 int ext_node
[NR_EXTENT_CACHES
];
3884 /* to count memory footprint */
3885 unsigned long long ext_mem
[NR_EXTENT_CACHES
];
3886 /* for read extent cache */
3887 unsigned long long hit_largest
;
3888 /* for block age extent cache */
3889 unsigned long long allocated_data_blocks
;
3890 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3891 int ndirty_data
, ndirty_qdata
;
3892 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3893 int nats
, dirty_nats
, sits
, dirty_sits
;
3894 int free_nids
, avail_nids
, alloc_nids
;
3895 int total_count
, utilization
;
3896 int nr_wb_cp_data
, nr_wb_data
;
3897 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3898 int nr_dio_read
, nr_dio_write
;
3899 unsigned int io_skip_bggc
, other_skip_bggc
;
3900 int nr_flushing
, nr_flushed
, flush_list_empty
;
3901 int nr_discarding
, nr_discarded
;
3903 unsigned int undiscard_blks
;
3904 int nr_issued_ckpt
, nr_total_ckpt
, nr_queued_ckpt
;
3905 unsigned int cur_ckpt_time
, peak_ckpt_time
;
3906 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3907 int compr_inode
, swapfile_inode
;
3908 unsigned long long compr_blocks
;
3909 int aw_cnt
, max_aw_cnt
;
3910 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3911 unsigned int bimodal
, avg_vblocks
;
3912 int util_free
, util_valid
, util_invalid
;
3913 int rsvd_segs
, overp_segs
;
3914 int dirty_count
, node_pages
, meta_pages
, compress_pages
;
3915 int compress_page_hit
;
3916 int prefree_count
, free_segs
, free_secs
;
3917 int cp_call_count
[MAX_CALL_TYPE
], cp_count
;
3918 int gc_call_count
[MAX_CALL_TYPE
];
3921 int tot_blks
, data_blks
, node_blks
;
3922 int bg_data_blks
, bg_node_blks
;
3923 int curseg
[NR_CURSEG_TYPE
];
3924 int cursec
[NR_CURSEG_TYPE
];
3925 int curzone
[NR_CURSEG_TYPE
];
3926 unsigned int dirty_seg
[NR_CURSEG_TYPE
];
3927 unsigned int full_seg
[NR_CURSEG_TYPE
];
3928 unsigned int valid_blks
[NR_CURSEG_TYPE
];
3930 unsigned int meta_count
[META_MAX
];
3931 unsigned int segment_count
[2];
3932 unsigned int block_count
[2];
3933 unsigned int inplace_count
;
3934 unsigned long long base_mem
, cache_mem
, page_mem
;
3937 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3939 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3942 #define stat_inc_cp_call_count(sbi, foreground) \
3943 atomic_inc(&sbi->cp_call_count[(foreground)])
3944 #define stat_inc_cp_count(si) (F2FS_STAT(sbi)->cp_count++)
3945 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3946 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3947 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3948 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3949 #define stat_inc_total_hit(sbi, type) (atomic64_inc(&(sbi)->total_hit_ext[type]))
3950 #define stat_inc_rbtree_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_rbtree[type]))
3951 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3952 #define stat_inc_cached_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_cached[type]))
3953 #define stat_inc_inline_xattr(inode) \
3955 if (f2fs_has_inline_xattr(inode)) \
3956 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3958 #define stat_dec_inline_xattr(inode) \
3960 if (f2fs_has_inline_xattr(inode)) \
3961 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3963 #define stat_inc_inline_inode(inode) \
3965 if (f2fs_has_inline_data(inode)) \
3966 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3968 #define stat_dec_inline_inode(inode) \
3970 if (f2fs_has_inline_data(inode)) \
3971 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3973 #define stat_inc_inline_dir(inode) \
3975 if (f2fs_has_inline_dentry(inode)) \
3976 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3978 #define stat_dec_inline_dir(inode) \
3980 if (f2fs_has_inline_dentry(inode)) \
3981 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3983 #define stat_inc_compr_inode(inode) \
3985 if (f2fs_compressed_file(inode)) \
3986 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3988 #define stat_dec_compr_inode(inode) \
3990 if (f2fs_compressed_file(inode)) \
3991 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3993 #define stat_add_compr_blocks(inode, blocks) \
3994 (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3995 #define stat_sub_compr_blocks(inode, blocks) \
3996 (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3997 #define stat_inc_swapfile_inode(inode) \
3998 (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode))
3999 #define stat_dec_swapfile_inode(inode) \
4000 (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode))
4001 #define stat_inc_atomic_inode(inode) \
4002 (atomic_inc(&F2FS_I_SB(inode)->atomic_files))
4003 #define stat_dec_atomic_inode(inode) \
4004 (atomic_dec(&F2FS_I_SB(inode)->atomic_files))
4005 #define stat_inc_meta_count(sbi, blkaddr) \
4007 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
4008 atomic_inc(&(sbi)->meta_count[META_CP]); \
4009 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
4010 atomic_inc(&(sbi)->meta_count[META_SIT]); \
4011 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
4012 atomic_inc(&(sbi)->meta_count[META_NAT]); \
4013 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
4014 atomic_inc(&(sbi)->meta_count[META_SSA]); \
4016 #define stat_inc_seg_type(sbi, curseg) \
4017 ((sbi)->segment_count[(curseg)->alloc_type]++)
4018 #define stat_inc_block_count(sbi, curseg) \
4019 ((sbi)->block_count[(curseg)->alloc_type]++)
4020 #define stat_inc_inplace_blocks(sbi) \
4021 (atomic_inc(&(sbi)->inplace_count))
4022 #define stat_update_max_atomic_write(inode) \
4024 int cur = atomic_read(&F2FS_I_SB(inode)->atomic_files); \
4025 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
4027 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
4029 #define stat_inc_gc_call_count(sbi, foreground) \
4030 (F2FS_STAT(sbi)->gc_call_count[(foreground)]++)
4031 #define stat_inc_gc_sec_count(sbi, type, gc_type) \
4032 (F2FS_STAT(sbi)->gc_secs[(type)][(gc_type)]++)
4033 #define stat_inc_gc_seg_count(sbi, type, gc_type) \
4034 (F2FS_STAT(sbi)->gc_segs[(type)][(gc_type)]++)
4036 #define stat_inc_tot_blk_count(si, blks) \
4037 ((si)->tot_blks += (blks))
4039 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
4041 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
4042 stat_inc_tot_blk_count(si, blks); \
4043 si->data_blks += (blks); \
4044 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
4047 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
4049 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
4050 stat_inc_tot_blk_count(si, blks); \
4051 si->node_blks += (blks); \
4052 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
4055 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
4056 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
4057 void __init
f2fs_create_root_stats(void);
4058 void f2fs_destroy_root_stats(void);
4059 void f2fs_update_sit_info(struct f2fs_sb_info
*sbi
);
4061 #define stat_inc_cp_call_count(sbi, foreground) do { } while (0)
4062 #define stat_inc_cp_count(sbi) do { } while (0)
4063 #define stat_io_skip_bggc_count(sbi) do { } while (0)
4064 #define stat_other_skip_bggc_count(sbi) do { } while (0)
4065 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
4066 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
4067 #define stat_inc_total_hit(sbi, type) do { } while (0)
4068 #define stat_inc_rbtree_node_hit(sbi, type) do { } while (0)
4069 #define stat_inc_largest_node_hit(sbi) do { } while (0)
4070 #define stat_inc_cached_node_hit(sbi, type) do { } while (0)
4071 #define stat_inc_inline_xattr(inode) do { } while (0)
4072 #define stat_dec_inline_xattr(inode) do { } while (0)
4073 #define stat_inc_inline_inode(inode) do { } while (0)
4074 #define stat_dec_inline_inode(inode) do { } while (0)
4075 #define stat_inc_inline_dir(inode) do { } while (0)
4076 #define stat_dec_inline_dir(inode) do { } while (0)
4077 #define stat_inc_compr_inode(inode) do { } while (0)
4078 #define stat_dec_compr_inode(inode) do { } while (0)
4079 #define stat_add_compr_blocks(inode, blocks) do { } while (0)
4080 #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
4081 #define stat_inc_swapfile_inode(inode) do { } while (0)
4082 #define stat_dec_swapfile_inode(inode) do { } while (0)
4083 #define stat_inc_atomic_inode(inode) do { } while (0)
4084 #define stat_dec_atomic_inode(inode) do { } while (0)
4085 #define stat_update_max_atomic_write(inode) do { } while (0)
4086 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
4087 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
4088 #define stat_inc_block_count(sbi, curseg) do { } while (0)
4089 #define stat_inc_inplace_blocks(sbi) do { } while (0)
4090 #define stat_inc_gc_call_count(sbi, foreground) do { } while (0)
4091 #define stat_inc_gc_sec_count(sbi, type, gc_type) do { } while (0)
4092 #define stat_inc_gc_seg_count(sbi, type, gc_type) do { } while (0)
4093 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
4094 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
4095 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
4097 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
4098 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
4099 static inline void __init
f2fs_create_root_stats(void) { }
4100 static inline void f2fs_destroy_root_stats(void) { }
4101 static inline void f2fs_update_sit_info(struct f2fs_sb_info
*sbi
) {}
4104 extern const struct file_operations f2fs_dir_operations
;
4105 extern const struct file_operations f2fs_file_operations
;
4106 extern const struct inode_operations f2fs_file_inode_operations
;
4107 extern const struct address_space_operations f2fs_dblock_aops
;
4108 extern const struct address_space_operations f2fs_node_aops
;
4109 extern const struct address_space_operations f2fs_meta_aops
;
4110 extern const struct inode_operations f2fs_dir_inode_operations
;
4111 extern const struct inode_operations f2fs_symlink_inode_operations
;
4112 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
4113 extern const struct inode_operations f2fs_special_inode_operations
;
4114 extern struct kmem_cache
*f2fs_inode_entry_slab
;
4119 bool f2fs_may_inline_data(struct inode
*inode
);
4120 bool f2fs_sanity_check_inline_data(struct inode
*inode
);
4121 bool f2fs_may_inline_dentry(struct inode
*inode
);
4122 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
4123 void f2fs_truncate_inline_inode(struct inode
*inode
,
4124 struct page
*ipage
, u64 from
);
4125 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
4126 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
4127 int f2fs_convert_inline_inode(struct inode
*inode
);
4128 int f2fs_try_convert_inline_dir(struct inode
*dir
, struct dentry
*dentry
);
4129 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
4130 int f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
4131 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
4132 const struct f2fs_filename
*fname
,
4133 struct page
**res_page
);
4134 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
4135 struct page
*ipage
);
4136 int f2fs_add_inline_entry(struct inode
*dir
, const struct f2fs_filename
*fname
,
4137 struct inode
*inode
, nid_t ino
, umode_t mode
);
4138 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
4139 struct page
*page
, struct inode
*dir
,
4140 struct inode
*inode
);
4141 bool f2fs_empty_inline_dir(struct inode
*dir
);
4142 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
4143 struct fscrypt_str
*fstr
);
4144 int f2fs_inline_data_fiemap(struct inode
*inode
,
4145 struct fiemap_extent_info
*fieinfo
,
4146 __u64 start
, __u64 len
);
4151 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
4152 struct shrink_control
*sc
);
4153 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
4154 struct shrink_control
*sc
);
4155 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
4156 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
4161 bool sanity_check_extent_cache(struct inode
*inode
);
4162 void f2fs_init_extent_tree(struct inode
*inode
);
4163 void f2fs_drop_extent_tree(struct inode
*inode
);
4164 void f2fs_destroy_extent_node(struct inode
*inode
);
4165 void f2fs_destroy_extent_tree(struct inode
*inode
);
4166 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
4167 int __init
f2fs_create_extent_cache(void);
4168 void f2fs_destroy_extent_cache(void);
4170 /* read extent cache ops */
4171 void f2fs_init_read_extent_tree(struct inode
*inode
, struct page
*ipage
);
4172 bool f2fs_lookup_read_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
4173 struct extent_info
*ei
);
4174 bool f2fs_lookup_read_extent_cache_block(struct inode
*inode
, pgoff_t index
,
4176 void f2fs_update_read_extent_cache(struct dnode_of_data
*dn
);
4177 void f2fs_update_read_extent_cache_range(struct dnode_of_data
*dn
,
4178 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
4179 unsigned int f2fs_shrink_read_extent_tree(struct f2fs_sb_info
*sbi
,
4182 /* block age extent cache ops */
4183 void f2fs_init_age_extent_tree(struct inode
*inode
);
4184 bool f2fs_lookup_age_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
4185 struct extent_info
*ei
);
4186 void f2fs_update_age_extent_cache(struct dnode_of_data
*dn
);
4187 void f2fs_update_age_extent_cache_range(struct dnode_of_data
*dn
,
4188 pgoff_t fofs
, unsigned int len
);
4189 unsigned int f2fs_shrink_age_extent_tree(struct f2fs_sb_info
*sbi
,
4195 #define MIN_RA_MUL 2
4196 #define MAX_RA_MUL 256
4198 int __init
f2fs_init_sysfs(void);
4199 void f2fs_exit_sysfs(void);
4200 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
4201 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
4204 extern const struct fsverity_operations f2fs_verityops
;
4209 static inline bool f2fs_encrypted_file(struct inode
*inode
)
4211 return IS_ENCRYPTED(inode
) && S_ISREG(inode
->i_mode
);
4214 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
4216 #ifdef CONFIG_FS_ENCRYPTION
4217 file_set_encrypt(inode
);
4218 f2fs_set_inode_flags(inode
);
4223 * Returns true if the reads of the inode's data need to undergo some
4224 * postprocessing step, like decryption or authenticity verification.
4226 static inline bool f2fs_post_read_required(struct inode
*inode
)
4228 return f2fs_encrypted_file(inode
) || fsverity_active(inode
) ||
4229 f2fs_compressed_file(inode
);
4235 #ifdef CONFIG_F2FS_FS_COMPRESSION
4236 bool f2fs_is_compressed_page(struct page
*page
);
4237 struct page
*f2fs_compress_control_page(struct page
*page
);
4238 int f2fs_prepare_compress_overwrite(struct inode
*inode
,
4239 struct page
**pagep
, pgoff_t index
, void **fsdata
);
4240 bool f2fs_compress_write_end(struct inode
*inode
, void *fsdata
,
4241 pgoff_t index
, unsigned copied
);
4242 int f2fs_truncate_partial_cluster(struct inode
*inode
, u64 from
, bool lock
);
4243 void f2fs_compress_write_end_io(struct bio
*bio
, struct page
*page
);
4244 bool f2fs_is_compress_backend_ready(struct inode
*inode
);
4245 bool f2fs_is_compress_level_valid(int alg
, int lvl
);
4246 int __init
f2fs_init_compress_mempool(void);
4247 void f2fs_destroy_compress_mempool(void);
4248 void f2fs_decompress_cluster(struct decompress_io_ctx
*dic
, bool in_task
);
4249 void f2fs_end_read_compressed_page(struct page
*page
, bool failed
,
4250 block_t blkaddr
, bool in_task
);
4251 bool f2fs_cluster_is_empty(struct compress_ctx
*cc
);
4252 bool f2fs_cluster_can_merge_page(struct compress_ctx
*cc
, pgoff_t index
);
4253 bool f2fs_all_cluster_page_ready(struct compress_ctx
*cc
, struct page
**pages
,
4254 int index
, int nr_pages
, bool uptodate
);
4255 bool f2fs_sanity_check_cluster(struct dnode_of_data
*dn
);
4256 void f2fs_compress_ctx_add_page(struct compress_ctx
*cc
, struct page
*page
);
4257 int f2fs_write_multi_pages(struct compress_ctx
*cc
,
4259 struct writeback_control
*wbc
,
4260 enum iostat_type io_type
);
4261 int f2fs_is_compressed_cluster(struct inode
*inode
, pgoff_t index
);
4262 void f2fs_update_read_extent_tree_range_compressed(struct inode
*inode
,
4263 pgoff_t fofs
, block_t blkaddr
,
4264 unsigned int llen
, unsigned int c_len
);
4265 int f2fs_read_multi_pages(struct compress_ctx
*cc
, struct bio
**bio_ret
,
4266 unsigned nr_pages
, sector_t
*last_block_in_bio
,
4267 bool is_readahead
, bool for_write
);
4268 struct decompress_io_ctx
*f2fs_alloc_dic(struct compress_ctx
*cc
);
4269 void f2fs_decompress_end_io(struct decompress_io_ctx
*dic
, bool failed
,
4271 void f2fs_put_page_dic(struct page
*page
, bool in_task
);
4272 unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data
*dn
);
4273 int f2fs_init_compress_ctx(struct compress_ctx
*cc
);
4274 void f2fs_destroy_compress_ctx(struct compress_ctx
*cc
, bool reuse
);
4275 void f2fs_init_compress_info(struct f2fs_sb_info
*sbi
);
4276 int f2fs_init_compress_inode(struct f2fs_sb_info
*sbi
);
4277 void f2fs_destroy_compress_inode(struct f2fs_sb_info
*sbi
);
4278 int f2fs_init_page_array_cache(struct f2fs_sb_info
*sbi
);
4279 void f2fs_destroy_page_array_cache(struct f2fs_sb_info
*sbi
);
4280 int __init
f2fs_init_compress_cache(void);
4281 void f2fs_destroy_compress_cache(void);
4282 struct address_space
*COMPRESS_MAPPING(struct f2fs_sb_info
*sbi
);
4283 void f2fs_invalidate_compress_page(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
4284 void f2fs_cache_compressed_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
4285 nid_t ino
, block_t blkaddr
);
4286 bool f2fs_load_compressed_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
4288 void f2fs_invalidate_compress_pages(struct f2fs_sb_info
*sbi
, nid_t ino
);
4289 #define inc_compr_inode_stat(inode) \
4291 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4292 sbi->compr_new_inode++; \
4294 #define add_compr_block_stat(inode, blocks) \
4296 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4297 int diff = F2FS_I(inode)->i_cluster_size - blocks; \
4298 sbi->compr_written_block += blocks; \
4299 sbi->compr_saved_block += diff; \
4302 static inline bool f2fs_is_compressed_page(struct page
*page
) { return false; }
4303 static inline bool f2fs_is_compress_backend_ready(struct inode
*inode
)
4305 if (!f2fs_compressed_file(inode
))
4307 /* not support compression */
4310 static inline bool f2fs_is_compress_level_valid(int alg
, int lvl
) { return false; }
4311 static inline struct page
*f2fs_compress_control_page(struct page
*page
)
4314 return ERR_PTR(-EINVAL
);
4316 static inline int __init
f2fs_init_compress_mempool(void) { return 0; }
4317 static inline void f2fs_destroy_compress_mempool(void) { }
4318 static inline void f2fs_decompress_cluster(struct decompress_io_ctx
*dic
,
4320 static inline void f2fs_end_read_compressed_page(struct page
*page
,
4321 bool failed
, block_t blkaddr
, bool in_task
)
4325 static inline void f2fs_put_page_dic(struct page
*page
, bool in_task
)
4329 static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data
*dn
) { return 0; }
4330 static inline bool f2fs_sanity_check_cluster(struct dnode_of_data
*dn
) { return false; }
4331 static inline int f2fs_init_compress_inode(struct f2fs_sb_info
*sbi
) { return 0; }
4332 static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info
*sbi
) { }
4333 static inline int f2fs_init_page_array_cache(struct f2fs_sb_info
*sbi
) { return 0; }
4334 static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info
*sbi
) { }
4335 static inline int __init
f2fs_init_compress_cache(void) { return 0; }
4336 static inline void f2fs_destroy_compress_cache(void) { }
4337 static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info
*sbi
,
4338 block_t blkaddr
) { }
4339 static inline void f2fs_cache_compressed_page(struct f2fs_sb_info
*sbi
,
4340 struct page
*page
, nid_t ino
, block_t blkaddr
) { }
4341 static inline bool f2fs_load_compressed_page(struct f2fs_sb_info
*sbi
,
4342 struct page
*page
, block_t blkaddr
) { return false; }
4343 static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info
*sbi
,
4345 #define inc_compr_inode_stat(inode) do { } while (0)
4346 static inline void f2fs_update_read_extent_tree_range_compressed(
4347 struct inode
*inode
,
4348 pgoff_t fofs
, block_t blkaddr
,
4349 unsigned int llen
, unsigned int c_len
) { }
4352 static inline int set_compress_context(struct inode
*inode
)
4354 #ifdef CONFIG_F2FS_FS_COMPRESSION
4355 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
4357 F2FS_I(inode
)->i_compress_algorithm
=
4358 F2FS_OPTION(sbi
).compress_algorithm
;
4359 F2FS_I(inode
)->i_log_cluster_size
=
4360 F2FS_OPTION(sbi
).compress_log_size
;
4361 F2FS_I(inode
)->i_compress_flag
=
4362 F2FS_OPTION(sbi
).compress_chksum
?
4363 BIT(COMPRESS_CHKSUM
) : 0;
4364 F2FS_I(inode
)->i_cluster_size
=
4365 BIT(F2FS_I(inode
)->i_log_cluster_size
);
4366 if ((F2FS_I(inode
)->i_compress_algorithm
== COMPRESS_LZ4
||
4367 F2FS_I(inode
)->i_compress_algorithm
== COMPRESS_ZSTD
) &&
4368 F2FS_OPTION(sbi
).compress_level
)
4369 F2FS_I(inode
)->i_compress_level
=
4370 F2FS_OPTION(sbi
).compress_level
;
4371 F2FS_I(inode
)->i_flags
|= F2FS_COMPR_FL
;
4372 set_inode_flag(inode
, FI_COMPRESSED_FILE
);
4373 stat_inc_compr_inode(inode
);
4374 inc_compr_inode_stat(inode
);
4375 f2fs_mark_inode_dirty_sync(inode
, true);
4382 static inline bool f2fs_disable_compressed_file(struct inode
*inode
)
4384 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
4386 if (!f2fs_compressed_file(inode
))
4388 if (S_ISREG(inode
->i_mode
) && F2FS_HAS_BLOCKS(inode
))
4391 fi
->i_flags
&= ~F2FS_COMPR_FL
;
4392 stat_dec_compr_inode(inode
);
4393 clear_inode_flag(inode
, FI_COMPRESSED_FILE
);
4394 f2fs_mark_inode_dirty_sync(inode
, true);
4398 #define F2FS_FEATURE_FUNCS(name, flagname) \
4399 static inline bool f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
4401 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
4404 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
4405 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
4406 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
4407 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
4408 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
4409 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
4410 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
4411 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
4412 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
4413 F2FS_FEATURE_FUNCS(verity
, VERITY
);
4414 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
4415 F2FS_FEATURE_FUNCS(casefold
, CASEFOLD
);
4416 F2FS_FEATURE_FUNCS(compression
, COMPRESSION
);
4417 F2FS_FEATURE_FUNCS(readonly
, RO
);
4419 #ifdef CONFIG_BLK_DEV_ZONED
4420 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info
*sbi
, int devi
,
4423 unsigned int zno
= blkaddr
/ sbi
->blocks_per_blkz
;
4425 return test_bit(zno
, FDEV(devi
).blkz_seq
);
4429 static inline int f2fs_bdev_index(struct f2fs_sb_info
*sbi
,
4430 struct block_device
*bdev
)
4434 if (!f2fs_is_multi_device(sbi
))
4437 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
4438 if (FDEV(i
).bdev
== bdev
)
4445 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
4447 return f2fs_sb_has_blkzoned(sbi
);
4450 static inline bool f2fs_bdev_support_discard(struct block_device
*bdev
)
4452 return bdev_max_discard_sectors(bdev
) || bdev_is_zoned(bdev
);
4455 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
4459 if (!f2fs_is_multi_device(sbi
))
4460 return f2fs_bdev_support_discard(sbi
->sb
->s_bdev
);
4462 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
4463 if (f2fs_bdev_support_discard(FDEV(i
).bdev
))
4468 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
4470 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
4471 f2fs_hw_should_discard(sbi
);
4474 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info
*sbi
)
4478 if (!f2fs_is_multi_device(sbi
))
4479 return bdev_read_only(sbi
->sb
->s_bdev
);
4481 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
4482 if (bdev_read_only(FDEV(i
).bdev
))
4487 static inline bool f2fs_dev_is_readonly(struct f2fs_sb_info
*sbi
)
4489 return f2fs_sb_has_readonly(sbi
) || f2fs_hw_is_readonly(sbi
);
4492 static inline bool f2fs_lfs_mode(struct f2fs_sb_info
*sbi
)
4494 return F2FS_OPTION(sbi
).fs_mode
== FS_MODE_LFS
;
4497 static inline bool f2fs_low_mem_mode(struct f2fs_sb_info
*sbi
)
4499 return F2FS_OPTION(sbi
).memory_mode
== MEMORY_MODE_LOW
;
4502 static inline bool f2fs_may_compress(struct inode
*inode
)
4504 if (IS_SWAPFILE(inode
) || f2fs_is_pinned_file(inode
) ||
4505 f2fs_is_atomic_file(inode
) || f2fs_has_inline_data(inode
) ||
4506 f2fs_is_mmap_file(inode
))
4508 return S_ISREG(inode
->i_mode
) || S_ISDIR(inode
->i_mode
);
4511 static inline void f2fs_i_compr_blocks_update(struct inode
*inode
,
4512 u64 blocks
, bool add
)
4514 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
4515 int diff
= fi
->i_cluster_size
- blocks
;
4517 /* don't update i_compr_blocks if saved blocks were released */
4518 if (!add
&& !atomic_read(&fi
->i_compr_blocks
))
4522 atomic_add(diff
, &fi
->i_compr_blocks
);
4523 stat_add_compr_blocks(inode
, diff
);
4525 atomic_sub(diff
, &fi
->i_compr_blocks
);
4526 stat_sub_compr_blocks(inode
, diff
);
4528 f2fs_mark_inode_dirty_sync(inode
, true);
4531 static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info
*sbi
,
4534 if (!f2fs_is_multi_device(sbi
))
4536 if (flag
!= F2FS_GET_BLOCK_DIO
)
4538 return sbi
->aligned_blksize
;
4541 static inline bool f2fs_need_verity(const struct inode
*inode
, pgoff_t idx
)
4543 return fsverity_active(inode
) &&
4544 idx
< DIV_ROUND_UP(inode
->i_size
, PAGE_SIZE
);
4547 #ifdef CONFIG_F2FS_FAULT_INJECTION
4548 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
4551 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4554 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
4557 if (f2fs_sb_has_quota_ino(sbi
))
4559 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
4560 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
4561 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])
4567 static inline bool f2fs_block_unit_discard(struct f2fs_sb_info
*sbi
)
4569 return F2FS_OPTION(sbi
).discard_unit
== DISCARD_UNIT_BLOCK
;
4572 static inline void f2fs_io_schedule_timeout(long timeout
)
4574 set_current_state(TASK_UNINTERRUPTIBLE
);
4575 io_schedule_timeout(timeout
);
4578 static inline void f2fs_handle_page_eio(struct f2fs_sb_info
*sbi
, pgoff_t ofs
,
4579 enum page_type type
)
4581 if (unlikely(f2fs_cp_error(sbi
)))
4584 if (ofs
== sbi
->page_eio_ofs
[type
]) {
4585 if (sbi
->page_eio_cnt
[type
]++ == MAX_RETRY_PAGE_EIO
)
4586 set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
4588 sbi
->page_eio_ofs
[type
] = ofs
;
4589 sbi
->page_eio_cnt
[type
] = 0;
4593 static inline bool f2fs_is_readonly(struct f2fs_sb_info
*sbi
)
4595 return f2fs_sb_has_readonly(sbi
) || f2fs_readonly(sbi
->sb
);
4598 #define EFSBADCRC EBADMSG /* Bad CRC detected */
4599 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
4601 #endif /* _LINUX_F2FS_H */