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7c1a000d | 1 | // SPDX-License-Identifier: GPL-2.0 |
0a8165d7 | 2 | /* |
aff063e2 JK |
3 | * fs/f2fs/super.c |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
aff063e2 JK |
7 | */ |
8 | #include <linux/module.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/fs.h> | |
c5bca38d | 11 | #include <linux/fs_context.h> |
4034247a | 12 | #include <linux/sched/mm.h> |
aff063e2 | 13 | #include <linux/statfs.h> |
aff063e2 | 14 | #include <linux/buffer_head.h> |
aff063e2 JK |
15 | #include <linux/kthread.h> |
16 | #include <linux/parser.h> | |
17 | #include <linux/mount.h> | |
18 | #include <linux/seq_file.h> | |
5e176d54 | 19 | #include <linux/proc_fs.h> |
aff063e2 JK |
20 | #include <linux/random.h> |
21 | #include <linux/exportfs.h> | |
d3ee456d | 22 | #include <linux/blkdev.h> |
0abd675e | 23 | #include <linux/quotaops.h> |
aff063e2 | 24 | #include <linux/f2fs_fs.h> |
b59d0bae | 25 | #include <linux/sysfs.h> |
4b2414d0 | 26 | #include <linux/quota.h> |
5aba5430 | 27 | #include <linux/unicode.h> |
c6a564ff | 28 | #include <linux/part_stat.h> |
3fde13f8 CY |
29 | #include <linux/zstd.h> |
30 | #include <linux/lz4.h> | |
aff063e2 JK |
31 | |
32 | #include "f2fs.h" | |
33 | #include "node.h" | |
5ec4e49f | 34 | #include "segment.h" |
aff063e2 | 35 | #include "xattr.h" |
b59d0bae | 36 | #include "gc.h" |
52118743 | 37 | #include "iostat.h" |
aff063e2 | 38 | |
a2a4a7e4 NJ |
39 | #define CREATE_TRACE_POINTS |
40 | #include <trace/events/f2fs.h> | |
41 | ||
aff063e2 JK |
42 | static struct kmem_cache *f2fs_inode_cachep; |
43 | ||
73faec4d | 44 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 45 | |
19880e6e | 46 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 47 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 48 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 49 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 50 | [FAULT_PAGE_GET] = "page get", |
cb78942b JK |
51 | [FAULT_ALLOC_NID] = "alloc nid", |
52 | [FAULT_ORPHAN] = "orphan", | |
53 | [FAULT_BLOCK] = "no more block", | |
54 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 55 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 56 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 57 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 58 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 59 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 60 | [FAULT_WRITE_IO] = "write IO error", |
32410577 | 61 | [FAULT_SLAB_ALLOC] = "slab alloc", |
10a26878 | 62 | [FAULT_DQUOT_INIT] = "dquot initialize", |
3e020389 | 63 | [FAULT_LOCK_OP] = "lock_op", |
2c63fead | 64 | }; |
08796897 | 65 | |
d494500a CY |
66 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
67 | unsigned int type) | |
08796897 | 68 | { |
63189b78 | 69 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 70 | |
08796897 | 71 | if (rate) { |
1ecc0c5c CY |
72 | atomic_set(&ffi->inject_ops, 0); |
73 | ffi->inject_rate = rate; | |
08796897 | 74 | } |
d494500a CY |
75 | |
76 | if (type) | |
77 | ffi->inject_type = type; | |
78 | ||
79 | if (!rate && !type) | |
80 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 81 | } |
73faec4d JK |
82 | #endif |
83 | ||
2658e50d JK |
84 | /* f2fs-wide shrinker description */ |
85 | static struct shrinker f2fs_shrinker_info = { | |
86 | .scan_objects = f2fs_shrink_scan, | |
87 | .count_objects = f2fs_shrink_count, | |
88 | .seeks = DEFAULT_SEEKS, | |
89 | }; | |
90 | ||
aff063e2 | 91 | enum { |
696c018c | 92 | Opt_gc_background, |
aff063e2 | 93 | Opt_disable_roll_forward, |
2d834bf9 | 94 | Opt_norecovery, |
aff063e2 | 95 | Opt_discard, |
64058be9 | 96 | Opt_nodiscard, |
aff063e2 | 97 | Opt_noheap, |
7a20b8a6 | 98 | Opt_heap, |
4058c511 | 99 | Opt_user_xattr, |
aff063e2 | 100 | Opt_nouser_xattr, |
4058c511 | 101 | Opt_acl, |
aff063e2 JK |
102 | Opt_noacl, |
103 | Opt_active_logs, | |
104 | Opt_disable_ext_identify, | |
444c580f | 105 | Opt_inline_xattr, |
23cf7212 | 106 | Opt_noinline_xattr, |
6afc662e | 107 | Opt_inline_xattr_size, |
8274de77 | 108 | Opt_inline_data, |
5efd3c6f | 109 | Opt_inline_dentry, |
97c1794a | 110 | Opt_noinline_dentry, |
6b4afdd7 | 111 | Opt_flush_merge, |
69e9e427 | 112 | Opt_noflush_merge, |
0f7b2abd | 113 | Opt_nobarrier, |
d5053a34 | 114 | Opt_fastboot, |
89672159 | 115 | Opt_extent_cache, |
7daaea25 | 116 | Opt_noextent_cache, |
75342797 | 117 | Opt_noinline_data, |
343f40f0 | 118 | Opt_data_flush, |
7e65be49 | 119 | Opt_reserve_root, |
7c2e5963 JK |
120 | Opt_resgid, |
121 | Opt_resuid, | |
36abef4e | 122 | Opt_mode, |
ec91538d | 123 | Opt_io_size_bits, |
73faec4d | 124 | Opt_fault_injection, |
d494500a | 125 | Opt_fault_type, |
6d94c74a JK |
126 | Opt_lazytime, |
127 | Opt_nolazytime, | |
4b2414d0 CY |
128 | Opt_quota, |
129 | Opt_noquota, | |
0abd675e CY |
130 | Opt_usrquota, |
131 | Opt_grpquota, | |
5c57132e | 132 | Opt_prjquota, |
4b2414d0 CY |
133 | Opt_usrjquota, |
134 | Opt_grpjquota, | |
135 | Opt_prjjquota, | |
136 | Opt_offusrjquota, | |
137 | Opt_offgrpjquota, | |
138 | Opt_offprjjquota, | |
139 | Opt_jqfmt_vfsold, | |
140 | Opt_jqfmt_vfsv0, | |
141 | Opt_jqfmt_vfsv1, | |
07939627 | 142 | Opt_alloc, |
93cf93f1 | 143 | Opt_fsync, |
ff62af20 | 144 | Opt_test_dummy_encryption, |
27aacd28 | 145 | Opt_inlinecrypt, |
4d3aed70 DR |
146 | Opt_checkpoint_disable, |
147 | Opt_checkpoint_disable_cap, | |
148 | Opt_checkpoint_disable_cap_perc, | |
149 | Opt_checkpoint_enable, | |
261eeb9c DJ |
150 | Opt_checkpoint_merge, |
151 | Opt_nocheckpoint_merge, | |
4c8ff709 CY |
152 | Opt_compress_algorithm, |
153 | Opt_compress_log_size, | |
154 | Opt_compress_extension, | |
151b1982 | 155 | Opt_nocompress_extension, |
b28f047b | 156 | Opt_compress_chksum, |
602a16d5 | 157 | Opt_compress_mode, |
6ce19aff | 158 | Opt_compress_cache, |
093749e2 | 159 | Opt_atgc, |
5911d2d1 CY |
160 | Opt_gc_merge, |
161 | Opt_nogc_merge, | |
4f993264 | 162 | Opt_discard_unit, |
7a8fc586 | 163 | Opt_memory_mode, |
aff063e2 JK |
164 | Opt_err, |
165 | }; | |
166 | ||
167 | static match_table_t f2fs_tokens = { | |
696c018c | 168 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 169 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 170 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 171 | {Opt_discard, "discard"}, |
64058be9 | 172 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 173 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 174 | {Opt_heap, "heap"}, |
4058c511 | 175 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 176 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 177 | {Opt_acl, "acl"}, |
aff063e2 JK |
178 | {Opt_noacl, "noacl"}, |
179 | {Opt_active_logs, "active_logs=%u"}, | |
180 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 181 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 182 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 183 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 184 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 185 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 186 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 187 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 188 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 189 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 190 | {Opt_fastboot, "fastboot"}, |
89672159 | 191 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 192 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 193 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 194 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 195 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
196 | {Opt_resgid, "resgid=%u"}, |
197 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 198 | {Opt_mode, "mode=%s"}, |
ec91538d | 199 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 200 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 201 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
202 | {Opt_lazytime, "lazytime"}, |
203 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
204 | {Opt_quota, "quota"}, |
205 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
206 | {Opt_usrquota, "usrquota"}, |
207 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 208 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
209 | {Opt_usrjquota, "usrjquota=%s"}, |
210 | {Opt_grpjquota, "grpjquota=%s"}, | |
211 | {Opt_prjjquota, "prjjquota=%s"}, | |
212 | {Opt_offusrjquota, "usrjquota="}, | |
213 | {Opt_offgrpjquota, "grpjquota="}, | |
214 | {Opt_offprjjquota, "prjjquota="}, | |
215 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
216 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
217 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
07939627 | 218 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 219 | {Opt_fsync, "fsync_mode=%s"}, |
ed318a6c | 220 | {Opt_test_dummy_encryption, "test_dummy_encryption=%s"}, |
ff62af20 | 221 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
27aacd28 | 222 | {Opt_inlinecrypt, "inlinecrypt"}, |
4d3aed70 DR |
223 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
224 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
225 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
226 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
261eeb9c DJ |
227 | {Opt_checkpoint_merge, "checkpoint_merge"}, |
228 | {Opt_nocheckpoint_merge, "nocheckpoint_merge"}, | |
4c8ff709 CY |
229 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
230 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
231 | {Opt_compress_extension, "compress_extension=%s"}, | |
151b1982 | 232 | {Opt_nocompress_extension, "nocompress_extension=%s"}, |
b28f047b | 233 | {Opt_compress_chksum, "compress_chksum"}, |
602a16d5 | 234 | {Opt_compress_mode, "compress_mode=%s"}, |
6ce19aff | 235 | {Opt_compress_cache, "compress_cache"}, |
093749e2 | 236 | {Opt_atgc, "atgc"}, |
5911d2d1 CY |
237 | {Opt_gc_merge, "gc_merge"}, |
238 | {Opt_nogc_merge, "nogc_merge"}, | |
4f993264 | 239 | {Opt_discard_unit, "discard_unit=%s"}, |
7a8fc586 | 240 | {Opt_memory_mode, "memory=%s"}, |
aff063e2 JK |
241 | {Opt_err, NULL}, |
242 | }; | |
243 | ||
dcbb4c10 | 244 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
245 | { |
246 | struct va_format vaf; | |
247 | va_list args; | |
dcbb4c10 | 248 | int level; |
a07ef784 NJ |
249 | |
250 | va_start(args, fmt); | |
dcbb4c10 JP |
251 | |
252 | level = printk_get_level(fmt); | |
253 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 254 | vaf.va = &args; |
dcbb4c10 JP |
255 | printk("%c%cF2FS-fs (%s): %pV\n", |
256 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
257 | ||
a07ef784 NJ |
258 | va_end(args); |
259 | } | |
260 | ||
5298d4bf | 261 | #if IS_ENABLED(CONFIG_UNICODE) |
5aba5430 DR |
262 | static const struct f2fs_sb_encodings { |
263 | __u16 magic; | |
264 | char *name; | |
49bd03cc | 265 | unsigned int version; |
5aba5430 | 266 | } f2fs_sb_encoding_map[] = { |
49bd03cc | 267 | {F2FS_ENC_UTF8_12_1, "utf8", UNICODE_AGE(12, 1, 0)}, |
5aba5430 DR |
268 | }; |
269 | ||
86e80575 CH |
270 | static const struct f2fs_sb_encodings * |
271 | f2fs_sb_read_encoding(const struct f2fs_super_block *sb) | |
5aba5430 DR |
272 | { |
273 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
274 | int i; | |
275 | ||
276 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
277 | if (magic == f2fs_sb_encoding_map[i].magic) | |
86e80575 | 278 | return &f2fs_sb_encoding_map[i]; |
5aba5430 | 279 | |
86e80575 | 280 | return NULL; |
5aba5430 | 281 | } |
4d9a2bb1 CY |
282 | |
283 | struct kmem_cache *f2fs_cf_name_slab; | |
284 | static int __init f2fs_create_casefold_cache(void) | |
285 | { | |
286 | f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name", | |
287 | F2FS_NAME_LEN); | |
288 | if (!f2fs_cf_name_slab) | |
289 | return -ENOMEM; | |
290 | return 0; | |
291 | } | |
292 | ||
293 | static void f2fs_destroy_casefold_cache(void) | |
294 | { | |
295 | kmem_cache_destroy(f2fs_cf_name_slab); | |
296 | } | |
297 | #else | |
298 | static int __init f2fs_create_casefold_cache(void) { return 0; } | |
299 | static void f2fs_destroy_casefold_cache(void) { } | |
5aba5430 DR |
300 | #endif |
301 | ||
7e65be49 JK |
302 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
303 | { | |
9a9aecaa DR |
304 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
305 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
306 | |
307 | /* limit is 0.2% */ | |
63189b78 CY |
308 | if (test_opt(sbi, RESERVE_ROOT) && |
309 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
310 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
311 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
312 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 313 | } |
7c2e5963 | 314 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 315 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 316 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 317 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 318 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
319 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
320 | from_kuid_munged(&init_user_ns, | |
321 | F2FS_OPTION(sbi).s_resuid), | |
322 | from_kgid_munged(&init_user_ns, | |
323 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
324 | } |
325 | ||
300a8429 CY |
326 | static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi) |
327 | { | |
328 | unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec; | |
329 | unsigned int avg_vblocks; | |
330 | unsigned int wanted_reserved_segments; | |
331 | block_t avail_user_block_count; | |
332 | ||
333 | if (!F2FS_IO_ALIGNED(sbi)) | |
334 | return 0; | |
335 | ||
336 | /* average valid block count in section in worst case */ | |
337 | avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi); | |
338 | ||
339 | /* | |
340 | * we need enough free space when migrating one section in worst case | |
341 | */ | |
342 | wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) * | |
343 | reserved_segments(sbi); | |
344 | wanted_reserved_segments -= reserved_segments(sbi); | |
345 | ||
346 | avail_user_block_count = sbi->user_block_count - | |
347 | sbi->current_reserved_blocks - | |
348 | F2FS_OPTION(sbi).root_reserved_blocks; | |
349 | ||
350 | if (wanted_reserved_segments * sbi->blocks_per_seg > | |
351 | avail_user_block_count) { | |
352 | f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u", | |
353 | wanted_reserved_segments, | |
354 | avail_user_block_count >> sbi->log_blocks_per_seg); | |
355 | return -ENOSPC; | |
356 | } | |
357 | ||
358 | SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments; | |
359 | ||
360 | f2fs_info(sbi, "IO align feature needs additional reserved segment: %u", | |
361 | wanted_reserved_segments); | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
1ae18f71 JK |
366 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
367 | { | |
368 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
369 | return; | |
370 | ||
371 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
372 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
373 | else | |
374 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
375 | F2FS_OPTION(sbi).unusable_cap_perc; | |
376 | ||
377 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
378 | F2FS_OPTION(sbi).unusable_cap, | |
379 | F2FS_OPTION(sbi).unusable_cap_perc); | |
380 | } | |
381 | ||
aff063e2 JK |
382 | static void init_once(void *foo) |
383 | { | |
384 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
385 | ||
aff063e2 JK |
386 | inode_init_once(&fi->vfs_inode); |
387 | } | |
388 | ||
4b2414d0 CY |
389 | #ifdef CONFIG_QUOTA |
390 | static const char * const quotatypes[] = INITQFNAMES; | |
391 | #define QTYPE2NAME(t) (quotatypes[t]) | |
392 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
393 | substring_t *args) | |
394 | { | |
395 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
396 | char *qname; | |
397 | int ret = -EINVAL; | |
398 | ||
63189b78 | 399 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 400 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
401 | return -EINVAL; |
402 | } | |
7beb01f7 | 403 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 404 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
405 | return 0; |
406 | } | |
407 | ||
4b2414d0 CY |
408 | qname = match_strdup(args); |
409 | if (!qname) { | |
dcbb4c10 | 410 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 411 | return -ENOMEM; |
4b2414d0 | 412 | } |
63189b78 CY |
413 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
414 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
415 | ret = 0; |
416 | else | |
dcbb4c10 | 417 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
418 | QTYPE2NAME(qtype)); |
419 | goto errout; | |
420 | } | |
421 | if (strchr(qname, '/')) { | |
dcbb4c10 | 422 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
423 | goto errout; |
424 | } | |
63189b78 | 425 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
426 | set_opt(sbi, QUOTA); |
427 | return 0; | |
428 | errout: | |
ba87a45c | 429 | kfree(qname); |
4b2414d0 CY |
430 | return ret; |
431 | } | |
432 | ||
433 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
434 | { | |
435 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
436 | ||
63189b78 | 437 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 438 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
439 | return -EINVAL; |
440 | } | |
ba87a45c | 441 | kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 442 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
443 | return 0; |
444 | } | |
445 | ||
446 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
447 | { | |
448 | /* | |
449 | * We do the test below only for project quotas. 'usrquota' and | |
450 | * 'grpquota' mount options are allowed even without quota feature | |
451 | * to support legacy quotas in quota files. | |
452 | */ | |
7beb01f7 | 453 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 454 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
455 | return -1; |
456 | } | |
63189b78 CY |
457 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
458 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
459 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
460 | if (test_opt(sbi, USRQUOTA) && | |
461 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
462 | clear_opt(sbi, USRQUOTA); |
463 | ||
63189b78 CY |
464 | if (test_opt(sbi, GRPQUOTA) && |
465 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
466 | clear_opt(sbi, GRPQUOTA); |
467 | ||
63189b78 CY |
468 | if (test_opt(sbi, PRJQUOTA) && |
469 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
470 | clear_opt(sbi, PRJQUOTA); |
471 | ||
472 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
473 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 474 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
475 | return -1; |
476 | } | |
477 | ||
63189b78 | 478 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 479 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
480 | return -1; |
481 | } | |
482 | } | |
ea676733 | 483 | |
7beb01f7 | 484 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 485 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 486 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 487 | } |
4b2414d0 CY |
488 | return 0; |
489 | } | |
490 | #endif | |
491 | ||
ed318a6c EB |
492 | static int f2fs_set_test_dummy_encryption(struct super_block *sb, |
493 | const char *opt, | |
494 | const substring_t *arg, | |
495 | bool is_remount) | |
496 | { | |
497 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c5bca38d EB |
498 | struct fs_parameter param = { |
499 | .type = fs_value_is_string, | |
500 | .string = arg->from ? arg->from : "", | |
501 | }; | |
502 | struct fscrypt_dummy_policy *policy = | |
503 | &F2FS_OPTION(sbi).dummy_enc_policy; | |
ed318a6c EB |
504 | int err; |
505 | ||
c5bca38d EB |
506 | if (!IS_ENABLED(CONFIG_FS_ENCRYPTION)) { |
507 | f2fs_warn(sbi, "test_dummy_encryption option not supported"); | |
508 | return -EINVAL; | |
509 | } | |
510 | ||
ed318a6c EB |
511 | if (!f2fs_sb_has_encrypt(sbi)) { |
512 | f2fs_err(sbi, "Encrypt feature is off"); | |
513 | return -EINVAL; | |
514 | } | |
515 | ||
516 | /* | |
517 | * This mount option is just for testing, and it's not worthwhile to | |
518 | * implement the extra complexity (e.g. RCU protection) that would be | |
519 | * needed to allow it to be set or changed during remount. We do allow | |
520 | * it to be specified during remount, but only if there is no change. | |
521 | */ | |
c5bca38d | 522 | if (is_remount && !fscrypt_is_dummy_policy_set(policy)) { |
ed318a6c EB |
523 | f2fs_warn(sbi, "Can't set test_dummy_encryption on remount"); |
524 | return -EINVAL; | |
525 | } | |
c5bca38d EB |
526 | |
527 | err = fscrypt_parse_test_dummy_encryption(¶m, policy); | |
ed318a6c EB |
528 | if (err) { |
529 | if (err == -EEXIST) | |
530 | f2fs_warn(sbi, | |
531 | "Can't change test_dummy_encryption on remount"); | |
532 | else if (err == -EINVAL) | |
533 | f2fs_warn(sbi, "Value of option \"%s\" is unrecognized", | |
534 | opt); | |
535 | else | |
536 | f2fs_warn(sbi, "Error processing option \"%s\" [%d]", | |
537 | opt, err); | |
538 | return -EINVAL; | |
539 | } | |
c5bca38d EB |
540 | err = fscrypt_add_test_dummy_key(sb, policy); |
541 | if (err) { | |
542 | f2fs_warn(sbi, "Error adding test dummy encryption key [%d]", | |
543 | err); | |
544 | return err; | |
545 | } | |
ed318a6c | 546 | f2fs_warn(sbi, "Test dummy encryption mode enabled"); |
64e3ed0b | 547 | return 0; |
ed318a6c EB |
548 | } |
549 | ||
3fde13f8 | 550 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
151b1982 FC |
551 | /* |
552 | * 1. The same extension name cannot not appear in both compress and non-compress extension | |
553 | * at the same time. | |
554 | * 2. If the compress extension specifies all files, the types specified by the non-compress | |
555 | * extension will be treated as special cases and will not be compressed. | |
556 | * 3. Don't allow the non-compress extension specifies all files. | |
557 | */ | |
558 | static int f2fs_test_compress_extension(struct f2fs_sb_info *sbi) | |
559 | { | |
560 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; | |
561 | unsigned char (*noext)[F2FS_EXTENSION_LEN]; | |
562 | int ext_cnt, noext_cnt, index = 0, no_index = 0; | |
563 | ||
564 | ext = F2FS_OPTION(sbi).extensions; | |
565 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
566 | noext = F2FS_OPTION(sbi).noextensions; | |
567 | noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt; | |
568 | ||
569 | if (!noext_cnt) | |
570 | return 0; | |
571 | ||
572 | for (no_index = 0; no_index < noext_cnt; no_index++) { | |
573 | if (!strcasecmp("*", noext[no_index])) { | |
574 | f2fs_info(sbi, "Don't allow the nocompress extension specifies all files"); | |
575 | return -EINVAL; | |
576 | } | |
577 | for (index = 0; index < ext_cnt; index++) { | |
578 | if (!strcasecmp(ext[index], noext[no_index])) { | |
579 | f2fs_info(sbi, "Don't allow the same extension %s appear in both compress and nocompress extension", | |
580 | ext[index]); | |
581 | return -EINVAL; | |
582 | } | |
583 | } | |
584 | } | |
585 | return 0; | |
586 | } | |
587 | ||
3fde13f8 CY |
588 | #ifdef CONFIG_F2FS_FS_LZ4 |
589 | static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) | |
590 | { | |
591 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
592 | unsigned int level; | |
593 | #endif | |
594 | ||
595 | if (strlen(str) == 3) { | |
596 | F2FS_OPTION(sbi).compress_level = 0; | |
597 | return 0; | |
598 | } | |
599 | ||
600 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
601 | str += 3; | |
602 | ||
603 | if (str[0] != ':') { | |
604 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
605 | return -EINVAL; | |
606 | } | |
607 | if (kstrtouint(str + 1, 10, &level)) | |
608 | return -EINVAL; | |
609 | ||
610 | if (level < LZ4HC_MIN_CLEVEL || level > LZ4HC_MAX_CLEVEL) { | |
611 | f2fs_info(sbi, "invalid lz4hc compress level: %d", level); | |
612 | return -EINVAL; | |
613 | } | |
614 | ||
615 | F2FS_OPTION(sbi).compress_level = level; | |
616 | return 0; | |
617 | #else | |
618 | f2fs_info(sbi, "kernel doesn't support lz4hc compression"); | |
619 | return -EINVAL; | |
620 | #endif | |
621 | } | |
622 | #endif | |
623 | ||
624 | #ifdef CONFIG_F2FS_FS_ZSTD | |
625 | static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str) | |
626 | { | |
627 | unsigned int level; | |
628 | int len = 4; | |
629 | ||
630 | if (strlen(str) == len) { | |
631 | F2FS_OPTION(sbi).compress_level = 0; | |
632 | return 0; | |
633 | } | |
634 | ||
635 | str += len; | |
636 | ||
637 | if (str[0] != ':') { | |
638 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
639 | return -EINVAL; | |
640 | } | |
641 | if (kstrtouint(str + 1, 10, &level)) | |
642 | return -EINVAL; | |
643 | ||
cf30f6a5 | 644 | if (!level || level > zstd_max_clevel()) { |
3fde13f8 CY |
645 | f2fs_info(sbi, "invalid zstd compress level: %d", level); |
646 | return -EINVAL; | |
647 | } | |
648 | ||
649 | F2FS_OPTION(sbi).compress_level = level; | |
650 | return 0; | |
651 | } | |
652 | #endif | |
653 | #endif | |
654 | ||
ed318a6c | 655 | static int parse_options(struct super_block *sb, char *options, bool is_remount) |
696c018c NJ |
656 | { |
657 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
658 | substring_t args[MAX_OPT_ARGS]; | |
1f0b067b | 659 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 660 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
151b1982 FC |
661 | unsigned char (*noext)[F2FS_EXTENSION_LEN]; |
662 | int ext_cnt, noext_cnt; | |
1f0b067b | 663 | #endif |
696c018c | 664 | char *p, *name; |
1f0b067b | 665 | int arg = 0; |
7c2e5963 JK |
666 | kuid_t uid; |
667 | kgid_t gid; | |
4b2414d0 | 668 | int ret; |
696c018c NJ |
669 | |
670 | if (!options) | |
a7d9fe3c | 671 | goto default_check; |
696c018c NJ |
672 | |
673 | while ((p = strsep(&options, ",")) != NULL) { | |
674 | int token; | |
5f029c04 | 675 | |
696c018c NJ |
676 | if (!*p) |
677 | continue; | |
678 | /* | |
679 | * Initialize args struct so we know whether arg was | |
680 | * found; some options take optional arguments. | |
681 | */ | |
682 | args[0].to = args[0].from = NULL; | |
683 | token = match_token(p, f2fs_tokens, args); | |
684 | ||
685 | switch (token) { | |
686 | case Opt_gc_background: | |
687 | name = match_strdup(&args[0]); | |
688 | ||
689 | if (!name) | |
690 | return -ENOMEM; | |
3c57f751 | 691 | if (!strcmp(name, "on")) { |
bbbc34fd | 692 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 693 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 694 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 695 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 696 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 697 | } else { |
ba87a45c | 698 | kfree(name); |
696c018c NJ |
699 | return -EINVAL; |
700 | } | |
ba87a45c | 701 | kfree(name); |
696c018c NJ |
702 | break; |
703 | case Opt_disable_roll_forward: | |
704 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
705 | break; | |
2d834bf9 JK |
706 | case Opt_norecovery: |
707 | /* this option mounts f2fs with ro */ | |
a9117eca | 708 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
709 | if (!f2fs_readonly(sb)) |
710 | return -EINVAL; | |
711 | break; | |
696c018c | 712 | case Opt_discard: |
f7db8dd6 CY |
713 | if (!f2fs_hw_support_discard(sbi)) { |
714 | f2fs_warn(sbi, "device does not support discard"); | |
715 | break; | |
716 | } | |
7d20c8ab | 717 | set_opt(sbi, DISCARD); |
696c018c | 718 | break; |
64058be9 | 719 | case Opt_nodiscard: |
f7db8dd6 | 720 | if (f2fs_hw_should_discard(sbi)) { |
dcbb4c10 | 721 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
722 | return -EINVAL; |
723 | } | |
64058be9 | 724 | clear_opt(sbi, DISCARD); |
487df616 | 725 | break; |
696c018c NJ |
726 | case Opt_noheap: |
727 | set_opt(sbi, NOHEAP); | |
728 | break; | |
7a20b8a6 JK |
729 | case Opt_heap: |
730 | clear_opt(sbi, NOHEAP); | |
731 | break; | |
696c018c | 732 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
733 | case Opt_user_xattr: |
734 | set_opt(sbi, XATTR_USER); | |
735 | break; | |
696c018c NJ |
736 | case Opt_nouser_xattr: |
737 | clear_opt(sbi, XATTR_USER); | |
738 | break; | |
444c580f JK |
739 | case Opt_inline_xattr: |
740 | set_opt(sbi, INLINE_XATTR); | |
741 | break; | |
23cf7212 CY |
742 | case Opt_noinline_xattr: |
743 | clear_opt(sbi, INLINE_XATTR); | |
744 | break; | |
6afc662e CY |
745 | case Opt_inline_xattr_size: |
746 | if (args->from && match_int(args, &arg)) | |
747 | return -EINVAL; | |
748 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 749 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 750 | break; |
696c018c | 751 | #else |
4058c511 | 752 | case Opt_user_xattr: |
dcbb4c10 | 753 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 754 | break; |
696c018c | 755 | case Opt_nouser_xattr: |
dcbb4c10 | 756 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 757 | break; |
444c580f | 758 | case Opt_inline_xattr: |
dcbb4c10 | 759 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 760 | break; |
23cf7212 | 761 | case Opt_noinline_xattr: |
dcbb4c10 | 762 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 763 | break; |
696c018c NJ |
764 | #endif |
765 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
766 | case Opt_acl: |
767 | set_opt(sbi, POSIX_ACL); | |
768 | break; | |
696c018c NJ |
769 | case Opt_noacl: |
770 | clear_opt(sbi, POSIX_ACL); | |
771 | break; | |
772 | #else | |
4058c511 | 773 | case Opt_acl: |
dcbb4c10 | 774 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 775 | break; |
696c018c | 776 | case Opt_noacl: |
dcbb4c10 | 777 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
778 | break; |
779 | #endif | |
780 | case Opt_active_logs: | |
781 | if (args->from && match_int(args, &arg)) | |
782 | return -EINVAL; | |
d0b9e42a CY |
783 | if (arg != 2 && arg != 4 && |
784 | arg != NR_CURSEG_PERSIST_TYPE) | |
696c018c | 785 | return -EINVAL; |
63189b78 | 786 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
787 | break; |
788 | case Opt_disable_ext_identify: | |
789 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
790 | break; | |
8274de77 HL |
791 | case Opt_inline_data: |
792 | set_opt(sbi, INLINE_DATA); | |
793 | break; | |
5efd3c6f CY |
794 | case Opt_inline_dentry: |
795 | set_opt(sbi, INLINE_DENTRY); | |
796 | break; | |
97c1794a CY |
797 | case Opt_noinline_dentry: |
798 | clear_opt(sbi, INLINE_DENTRY); | |
799 | break; | |
6b4afdd7 JK |
800 | case Opt_flush_merge: |
801 | set_opt(sbi, FLUSH_MERGE); | |
802 | break; | |
69e9e427 JK |
803 | case Opt_noflush_merge: |
804 | clear_opt(sbi, FLUSH_MERGE); | |
805 | break; | |
0f7b2abd JK |
806 | case Opt_nobarrier: |
807 | set_opt(sbi, NOBARRIER); | |
808 | break; | |
d5053a34 JK |
809 | case Opt_fastboot: |
810 | set_opt(sbi, FASTBOOT); | |
811 | break; | |
89672159 CY |
812 | case Opt_extent_cache: |
813 | set_opt(sbi, EXTENT_CACHE); | |
814 | break; | |
7daaea25 JK |
815 | case Opt_noextent_cache: |
816 | clear_opt(sbi, EXTENT_CACHE); | |
817 | break; | |
75342797 WL |
818 | case Opt_noinline_data: |
819 | clear_opt(sbi, INLINE_DATA); | |
820 | break; | |
343f40f0 CY |
821 | case Opt_data_flush: |
822 | set_opt(sbi, DATA_FLUSH); | |
823 | break; | |
7e65be49 JK |
824 | case Opt_reserve_root: |
825 | if (args->from && match_int(args, &arg)) | |
826 | return -EINVAL; | |
827 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
828 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
829 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 830 | } else { |
63189b78 | 831 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
832 | set_opt(sbi, RESERVE_ROOT); |
833 | } | |
834 | break; | |
7c2e5963 JK |
835 | case Opt_resuid: |
836 | if (args->from && match_int(args, &arg)) | |
837 | return -EINVAL; | |
838 | uid = make_kuid(current_user_ns(), arg); | |
839 | if (!uid_valid(uid)) { | |
dcbb4c10 | 840 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
841 | return -EINVAL; |
842 | } | |
63189b78 | 843 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
844 | break; |
845 | case Opt_resgid: | |
846 | if (args->from && match_int(args, &arg)) | |
847 | return -EINVAL; | |
848 | gid = make_kgid(current_user_ns(), arg); | |
849 | if (!gid_valid(gid)) { | |
dcbb4c10 | 850 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
851 | return -EINVAL; |
852 | } | |
63189b78 | 853 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 854 | break; |
36abef4e JK |
855 | case Opt_mode: |
856 | name = match_strdup(&args[0]); | |
857 | ||
858 | if (!name) | |
859 | return -ENOMEM; | |
3c57f751 | 860 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 861 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 862 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
ba87a45c | 863 | kfree(name); |
3adc57e9 DLM |
864 | return -EINVAL; |
865 | } | |
b0332a0f | 866 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 867 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 868 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
6691d940 DJ |
869 | } else if (!strcmp(name, "fragment:segment")) { |
870 | F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_SEG; | |
871 | } else if (!strcmp(name, "fragment:block")) { | |
872 | F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_BLK; | |
36abef4e | 873 | } else { |
ba87a45c | 874 | kfree(name); |
36abef4e JK |
875 | return -EINVAL; |
876 | } | |
ba87a45c | 877 | kfree(name); |
36abef4e | 878 | break; |
ec91538d JK |
879 | case Opt_io_size_bits: |
880 | if (args->from && match_int(args, &arg)) | |
881 | return -EINVAL; | |
a8affc03 | 882 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) { |
dcbb4c10 | 883 | f2fs_warn(sbi, "Not support %d, larger than %d", |
a8affc03 | 884 | 1 << arg, BIO_MAX_VECS); |
ec91538d JK |
885 | return -EINVAL; |
886 | } | |
63189b78 | 887 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 888 | break; |
4cb037ec | 889 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
890 | case Opt_fault_injection: |
891 | if (args->from && match_int(args, &arg)) | |
892 | return -EINVAL; | |
d494500a CY |
893 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
894 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 895 | break; |
4cb037ec | 896 | |
d494500a CY |
897 | case Opt_fault_type: |
898 | if (args->from && match_int(args, &arg)) | |
899 | return -EINVAL; | |
d494500a | 900 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 901 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 902 | break; |
73faec4d | 903 | #else |
4cb037ec | 904 | case Opt_fault_injection: |
dcbb4c10 | 905 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 906 | break; |
4cb037ec CX |
907 | |
908 | case Opt_fault_type: | |
dcbb4c10 | 909 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
910 | break; |
911 | #endif | |
6d94c74a | 912 | case Opt_lazytime: |
1751e8a6 | 913 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
914 | break; |
915 | case Opt_nolazytime: | |
1751e8a6 | 916 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 917 | break; |
0abd675e | 918 | #ifdef CONFIG_QUOTA |
4b2414d0 | 919 | case Opt_quota: |
0abd675e CY |
920 | case Opt_usrquota: |
921 | set_opt(sbi, USRQUOTA); | |
922 | break; | |
923 | case Opt_grpquota: | |
924 | set_opt(sbi, GRPQUOTA); | |
925 | break; | |
5c57132e CY |
926 | case Opt_prjquota: |
927 | set_opt(sbi, PRJQUOTA); | |
928 | break; | |
4b2414d0 CY |
929 | case Opt_usrjquota: |
930 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
931 | if (ret) | |
932 | return ret; | |
933 | break; | |
934 | case Opt_grpjquota: | |
935 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
936 | if (ret) | |
937 | return ret; | |
938 | break; | |
939 | case Opt_prjjquota: | |
940 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
941 | if (ret) | |
942 | return ret; | |
943 | break; | |
944 | case Opt_offusrjquota: | |
945 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
946 | if (ret) | |
947 | return ret; | |
948 | break; | |
949 | case Opt_offgrpjquota: | |
950 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
951 | if (ret) | |
952 | return ret; | |
953 | break; | |
954 | case Opt_offprjjquota: | |
955 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
956 | if (ret) | |
957 | return ret; | |
958 | break; | |
959 | case Opt_jqfmt_vfsold: | |
63189b78 | 960 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
961 | break; |
962 | case Opt_jqfmt_vfsv0: | |
63189b78 | 963 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
964 | break; |
965 | case Opt_jqfmt_vfsv1: | |
63189b78 | 966 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
967 | break; |
968 | case Opt_noquota: | |
969 | clear_opt(sbi, QUOTA); | |
970 | clear_opt(sbi, USRQUOTA); | |
971 | clear_opt(sbi, GRPQUOTA); | |
972 | clear_opt(sbi, PRJQUOTA); | |
973 | break; | |
0abd675e | 974 | #else |
4b2414d0 | 975 | case Opt_quota: |
0abd675e CY |
976 | case Opt_usrquota: |
977 | case Opt_grpquota: | |
5c57132e | 978 | case Opt_prjquota: |
4b2414d0 CY |
979 | case Opt_usrjquota: |
980 | case Opt_grpjquota: | |
981 | case Opt_prjjquota: | |
982 | case Opt_offusrjquota: | |
983 | case Opt_offgrpjquota: | |
984 | case Opt_offprjjquota: | |
985 | case Opt_jqfmt_vfsold: | |
986 | case Opt_jqfmt_vfsv0: | |
987 | case Opt_jqfmt_vfsv1: | |
988 | case Opt_noquota: | |
dcbb4c10 | 989 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
990 | break; |
991 | #endif | |
07939627 JK |
992 | case Opt_alloc: |
993 | name = match_strdup(&args[0]); | |
994 | if (!name) | |
995 | return -ENOMEM; | |
996 | ||
3c57f751 | 997 | if (!strcmp(name, "default")) { |
63189b78 | 998 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 999 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 1000 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 1001 | } else { |
ba87a45c | 1002 | kfree(name); |
07939627 JK |
1003 | return -EINVAL; |
1004 | } | |
ba87a45c | 1005 | kfree(name); |
07939627 | 1006 | break; |
93cf93f1 JZ |
1007 | case Opt_fsync: |
1008 | name = match_strdup(&args[0]); | |
1009 | if (!name) | |
1010 | return -ENOMEM; | |
3c57f751 | 1011 | if (!strcmp(name, "posix")) { |
63189b78 | 1012 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 1013 | } else if (!strcmp(name, "strict")) { |
63189b78 | 1014 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 1015 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
1016 | F2FS_OPTION(sbi).fsync_mode = |
1017 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 1018 | } else { |
ba87a45c | 1019 | kfree(name); |
93cf93f1 JZ |
1020 | return -EINVAL; |
1021 | } | |
ba87a45c | 1022 | kfree(name); |
93cf93f1 | 1023 | break; |
ff62af20 | 1024 | case Opt_test_dummy_encryption: |
ed318a6c EB |
1025 | ret = f2fs_set_test_dummy_encryption(sb, p, &args[0], |
1026 | is_remount); | |
1027 | if (ret) | |
1028 | return ret; | |
ff62af20 | 1029 | break; |
27aacd28 ST |
1030 | case Opt_inlinecrypt: |
1031 | #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT | |
1032 | sb->s_flags |= SB_INLINECRYPT; | |
1033 | #else | |
1034 | f2fs_info(sbi, "inline encryption not supported"); | |
1035 | #endif | |
1036 | break; | |
4d3aed70 DR |
1037 | case Opt_checkpoint_disable_cap_perc: |
1038 | if (args->from && match_int(args, &arg)) | |
4354994f | 1039 | return -EINVAL; |
4d3aed70 DR |
1040 | if (arg < 0 || arg > 100) |
1041 | return -EINVAL; | |
1ae18f71 | 1042 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
1043 | set_opt(sbi, DISABLE_CHECKPOINT); |
1044 | break; | |
1045 | case Opt_checkpoint_disable_cap: | |
1046 | if (args->from && match_int(args, &arg)) | |
1047 | return -EINVAL; | |
1048 | F2FS_OPTION(sbi).unusable_cap = arg; | |
1049 | set_opt(sbi, DISABLE_CHECKPOINT); | |
1050 | break; | |
1051 | case Opt_checkpoint_disable: | |
1052 | set_opt(sbi, DISABLE_CHECKPOINT); | |
1053 | break; | |
1054 | case Opt_checkpoint_enable: | |
1055 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 1056 | break; |
261eeb9c DJ |
1057 | case Opt_checkpoint_merge: |
1058 | set_opt(sbi, MERGE_CHECKPOINT); | |
1059 | break; | |
1060 | case Opt_nocheckpoint_merge: | |
1061 | clear_opt(sbi, MERGE_CHECKPOINT); | |
1062 | break; | |
1f0b067b | 1063 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
1064 | case Opt_compress_algorithm: |
1065 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1066 | f2fs_info(sbi, "Image doesn't support compression"); |
1067 | break; | |
4c8ff709 CY |
1068 | } |
1069 | name = match_strdup(&args[0]); | |
1070 | if (!name) | |
1071 | return -ENOMEM; | |
3c57f751 | 1072 | if (!strcmp(name, "lzo")) { |
32be0e97 | 1073 | #ifdef CONFIG_F2FS_FS_LZO |
3fde13f8 | 1074 | F2FS_OPTION(sbi).compress_level = 0; |
4c8ff709 CY |
1075 | F2FS_OPTION(sbi).compress_algorithm = |
1076 | COMPRESS_LZO; | |
32be0e97 CY |
1077 | #else |
1078 | f2fs_info(sbi, "kernel doesn't support lzo compression"); | |
1079 | #endif | |
3fde13f8 | 1080 | } else if (!strncmp(name, "lz4", 3)) { |
32be0e97 | 1081 | #ifdef CONFIG_F2FS_FS_LZ4 |
3fde13f8 CY |
1082 | ret = f2fs_set_lz4hc_level(sbi, name); |
1083 | if (ret) { | |
1084 | kfree(name); | |
1085 | return -EINVAL; | |
1086 | } | |
4c8ff709 CY |
1087 | F2FS_OPTION(sbi).compress_algorithm = |
1088 | COMPRESS_LZ4; | |
32be0e97 CY |
1089 | #else |
1090 | f2fs_info(sbi, "kernel doesn't support lz4 compression"); | |
1091 | #endif | |
3fde13f8 | 1092 | } else if (!strncmp(name, "zstd", 4)) { |
32be0e97 | 1093 | #ifdef CONFIG_F2FS_FS_ZSTD |
3fde13f8 CY |
1094 | ret = f2fs_set_zstd_level(sbi, name); |
1095 | if (ret) { | |
1096 | kfree(name); | |
1097 | return -EINVAL; | |
1098 | } | |
50cfa66f CY |
1099 | F2FS_OPTION(sbi).compress_algorithm = |
1100 | COMPRESS_ZSTD; | |
32be0e97 CY |
1101 | #else |
1102 | f2fs_info(sbi, "kernel doesn't support zstd compression"); | |
1103 | #endif | |
6d92b201 | 1104 | } else if (!strcmp(name, "lzo-rle")) { |
32be0e97 | 1105 | #ifdef CONFIG_F2FS_FS_LZORLE |
3fde13f8 | 1106 | F2FS_OPTION(sbi).compress_level = 0; |
6d92b201 CY |
1107 | F2FS_OPTION(sbi).compress_algorithm = |
1108 | COMPRESS_LZORLE; | |
32be0e97 CY |
1109 | #else |
1110 | f2fs_info(sbi, "kernel doesn't support lzorle compression"); | |
1111 | #endif | |
4c8ff709 CY |
1112 | } else { |
1113 | kfree(name); | |
1114 | return -EINVAL; | |
1115 | } | |
1116 | kfree(name); | |
1117 | break; | |
1118 | case Opt_compress_log_size: | |
1119 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1120 | f2fs_info(sbi, "Image doesn't support compression"); |
1121 | break; | |
4c8ff709 CY |
1122 | } |
1123 | if (args->from && match_int(args, &arg)) | |
1124 | return -EINVAL; | |
1125 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
1126 | arg > MAX_COMPRESS_LOG_SIZE) { | |
1127 | f2fs_err(sbi, | |
1128 | "Compress cluster log size is out of range"); | |
1129 | return -EINVAL; | |
1130 | } | |
1131 | F2FS_OPTION(sbi).compress_log_size = arg; | |
1132 | break; | |
1133 | case Opt_compress_extension: | |
1134 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1135 | f2fs_info(sbi, "Image doesn't support compression"); |
1136 | break; | |
4c8ff709 CY |
1137 | } |
1138 | name = match_strdup(&args[0]); | |
1139 | if (!name) | |
1140 | return -ENOMEM; | |
1141 | ||
1142 | ext = F2FS_OPTION(sbi).extensions; | |
1143 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
1144 | ||
1145 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
1146 | ext_cnt >= COMPRESS_EXT_NUM) { | |
1147 | f2fs_err(sbi, | |
1148 | "invalid extension length/number"); | |
1149 | kfree(name); | |
1150 | return -EINVAL; | |
1151 | } | |
1152 | ||
1153 | strcpy(ext[ext_cnt], name); | |
1154 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
1155 | kfree(name); | |
1156 | break; | |
151b1982 FC |
1157 | case Opt_nocompress_extension: |
1158 | if (!f2fs_sb_has_compression(sbi)) { | |
1159 | f2fs_info(sbi, "Image doesn't support compression"); | |
1160 | break; | |
1161 | } | |
1162 | name = match_strdup(&args[0]); | |
1163 | if (!name) | |
1164 | return -ENOMEM; | |
1165 | ||
1166 | noext = F2FS_OPTION(sbi).noextensions; | |
1167 | noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt; | |
1168 | ||
1169 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
1170 | noext_cnt >= COMPRESS_EXT_NUM) { | |
1171 | f2fs_err(sbi, | |
1172 | "invalid extension length/number"); | |
1173 | kfree(name); | |
1174 | return -EINVAL; | |
1175 | } | |
1176 | ||
1177 | strcpy(noext[noext_cnt], name); | |
1178 | F2FS_OPTION(sbi).nocompress_ext_cnt++; | |
1179 | kfree(name); | |
1180 | break; | |
b28f047b CY |
1181 | case Opt_compress_chksum: |
1182 | F2FS_OPTION(sbi).compress_chksum = true; | |
1183 | break; | |
602a16d5 DJ |
1184 | case Opt_compress_mode: |
1185 | name = match_strdup(&args[0]); | |
1186 | if (!name) | |
1187 | return -ENOMEM; | |
1188 | if (!strcmp(name, "fs")) { | |
1189 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; | |
1190 | } else if (!strcmp(name, "user")) { | |
1191 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER; | |
1192 | } else { | |
1193 | kfree(name); | |
1194 | return -EINVAL; | |
1195 | } | |
1196 | kfree(name); | |
1197 | break; | |
6ce19aff CY |
1198 | case Opt_compress_cache: |
1199 | set_opt(sbi, COMPRESS_CACHE); | |
1200 | break; | |
1f0b067b CY |
1201 | #else |
1202 | case Opt_compress_algorithm: | |
1203 | case Opt_compress_log_size: | |
1204 | case Opt_compress_extension: | |
151b1982 | 1205 | case Opt_nocompress_extension: |
b28f047b | 1206 | case Opt_compress_chksum: |
602a16d5 | 1207 | case Opt_compress_mode: |
6ce19aff | 1208 | case Opt_compress_cache: |
1f0b067b CY |
1209 | f2fs_info(sbi, "compression options not supported"); |
1210 | break; | |
1211 | #endif | |
093749e2 CY |
1212 | case Opt_atgc: |
1213 | set_opt(sbi, ATGC); | |
1214 | break; | |
5911d2d1 CY |
1215 | case Opt_gc_merge: |
1216 | set_opt(sbi, GC_MERGE); | |
1217 | break; | |
1218 | case Opt_nogc_merge: | |
1219 | clear_opt(sbi, GC_MERGE); | |
1220 | break; | |
4f993264 CY |
1221 | case Opt_discard_unit: |
1222 | name = match_strdup(&args[0]); | |
1223 | if (!name) | |
1224 | return -ENOMEM; | |
1225 | if (!strcmp(name, "block")) { | |
1226 | F2FS_OPTION(sbi).discard_unit = | |
1227 | DISCARD_UNIT_BLOCK; | |
1228 | } else if (!strcmp(name, "segment")) { | |
1229 | F2FS_OPTION(sbi).discard_unit = | |
1230 | DISCARD_UNIT_SEGMENT; | |
1231 | } else if (!strcmp(name, "section")) { | |
1232 | F2FS_OPTION(sbi).discard_unit = | |
1233 | DISCARD_UNIT_SECTION; | |
1234 | } else { | |
1235 | kfree(name); | |
1236 | return -EINVAL; | |
1237 | } | |
1238 | kfree(name); | |
1239 | break; | |
7a8fc586 DJ |
1240 | case Opt_memory_mode: |
1241 | name = match_strdup(&args[0]); | |
1242 | if (!name) | |
1243 | return -ENOMEM; | |
1244 | if (!strcmp(name, "normal")) { | |
1245 | F2FS_OPTION(sbi).memory_mode = | |
1246 | MEMORY_MODE_NORMAL; | |
1247 | } else if (!strcmp(name, "low")) { | |
1248 | F2FS_OPTION(sbi).memory_mode = | |
1249 | MEMORY_MODE_LOW; | |
1250 | } else { | |
1251 | kfree(name); | |
1252 | return -EINVAL; | |
1253 | } | |
1254 | kfree(name); | |
1255 | break; | |
696c018c | 1256 | default: |
dcbb4c10 JP |
1257 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
1258 | p); | |
696c018c NJ |
1259 | return -EINVAL; |
1260 | } | |
1261 | } | |
a7d9fe3c | 1262 | default_check: |
4b2414d0 CY |
1263 | #ifdef CONFIG_QUOTA |
1264 | if (f2fs_check_quota_options(sbi)) | |
1265 | return -EINVAL; | |
00960c2c | 1266 | #else |
7beb01f7 | 1267 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1268 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
1269 | return -EINVAL; |
1270 | } | |
7beb01f7 | 1271 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1272 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
1273 | return -EINVAL; |
1274 | } | |
4b2414d0 | 1275 | #endif |
5298d4bf | 1276 | #if !IS_ENABLED(CONFIG_UNICODE) |
5aba5430 DR |
1277 | if (f2fs_sb_has_casefold(sbi)) { |
1278 | f2fs_err(sbi, | |
1279 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
1280 | return -EINVAL; | |
1281 | } | |
1282 | #endif | |
d0660122 CY |
1283 | /* |
1284 | * The BLKZONED feature indicates that the drive was formatted with | |
1285 | * zone alignment optimization. This is optional for host-aware | |
1286 | * devices, but mandatory for host-managed zoned block devices. | |
1287 | */ | |
1288 | #ifndef CONFIG_BLK_DEV_ZONED | |
1289 | if (f2fs_sb_has_blkzoned(sbi)) { | |
1290 | f2fs_err(sbi, "Zoned block device support is not enabled"); | |
1291 | return -EINVAL; | |
1292 | } | |
1293 | #endif | |
4f993264 CY |
1294 | if (f2fs_sb_has_blkzoned(sbi)) { |
1295 | if (F2FS_OPTION(sbi).discard_unit != | |
1296 | DISCARD_UNIT_SECTION) { | |
1297 | f2fs_info(sbi, "Zoned block device doesn't need small discard, set discard_unit=section by default"); | |
1298 | F2FS_OPTION(sbi).discard_unit = | |
1299 | DISCARD_UNIT_SECTION; | |
1300 | } | |
1301 | } | |
ec91538d | 1302 | |
151b1982 FC |
1303 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
1304 | if (f2fs_test_compress_extension(sbi)) { | |
1305 | f2fs_err(sbi, "invalid compress or nocompress extension"); | |
1306 | return -EINVAL; | |
1307 | } | |
1308 | #endif | |
1309 | ||
b0332a0f | 1310 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
1311 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
1312 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
1313 | return -EINVAL; |
1314 | } | |
6afc662e CY |
1315 | |
1316 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
1317 | int min_size, max_size; |
1318 | ||
7beb01f7 CY |
1319 | if (!f2fs_sb_has_extra_attr(sbi) || |
1320 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 1321 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
1322 | return -EINVAL; |
1323 | } | |
6afc662e | 1324 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 1325 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
1326 | return -EINVAL; |
1327 | } | |
70db5b04 JK |
1328 | |
1329 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 1330 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
1331 | |
1332 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
1333 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
1334 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
1335 | min_size, max_size); | |
6afc662e CY |
1336 | return -EINVAL; |
1337 | } | |
1338 | } | |
0cdd3195 | 1339 | |
b0332a0f | 1340 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
833dcd35 | 1341 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable"); |
4354994f DR |
1342 | return -EINVAL; |
1343 | } | |
1344 | ||
a7d9fe3c JK |
1345 | if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) { |
1346 | f2fs_err(sbi, "Allow to mount readonly mode only"); | |
1347 | return -EROFS; | |
1348 | } | |
696c018c NJ |
1349 | return 0; |
1350 | } | |
1351 | ||
aff063e2 JK |
1352 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
1353 | { | |
1354 | struct f2fs_inode_info *fi; | |
1355 | ||
65d3af64 MS |
1356 | if (time_to_inject(F2FS_SB(sb), FAULT_SLAB_ALLOC)) { |
1357 | f2fs_show_injection_info(F2FS_SB(sb), FAULT_SLAB_ALLOC); | |
1358 | return NULL; | |
1359 | } | |
1360 | ||
1361 | fi = alloc_inode_sb(sb, f2fs_inode_cachep, GFP_F2FS_ZERO); | |
aff063e2 JK |
1362 | if (!fi) |
1363 | return NULL; | |
1364 | ||
1365 | init_once((void *) fi); | |
1366 | ||
434720fa | 1367 | /* Initialize f2fs-specific inode info */ |
204706c7 | 1368 | atomic_set(&fi->dirty_pages, 0); |
c2759eba | 1369 | atomic_set(&fi->i_compr_blocks, 0); |
e4544b63 | 1370 | init_f2fs_rwsem(&fi->i_sem); |
c10c9820 | 1371 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 1372 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 1373 | INIT_LIST_HEAD(&fi->gdirty_list); |
e4544b63 TM |
1374 | init_f2fs_rwsem(&fi->i_gc_rwsem[READ]); |
1375 | init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]); | |
1376 | init_f2fs_rwsem(&fi->i_xattr_sem); | |
aff063e2 | 1377 | |
ab9fa662 JK |
1378 | /* Will be used by directory only */ |
1379 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 1380 | |
aff063e2 JK |
1381 | return &fi->vfs_inode; |
1382 | } | |
1383 | ||
531ad7d5 JK |
1384 | static int f2fs_drop_inode(struct inode *inode) |
1385 | { | |
a8933b6b | 1386 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 1387 | int ret; |
a8933b6b CY |
1388 | |
1389 | /* | |
1390 | * during filesystem shutdown, if checkpoint is disabled, | |
1391 | * drop useless meta/node dirty pages. | |
1392 | */ | |
1393 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
1394 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1395 | inode->i_ino == F2FS_META_INO(sbi)) { | |
1396 | trace_f2fs_drop_inode(inode, 1); | |
1397 | return 1; | |
1398 | } | |
1399 | } | |
1400 | ||
531ad7d5 JK |
1401 | /* |
1402 | * This is to avoid a deadlock condition like below. | |
1403 | * writeback_single_inode(inode) | |
1404 | * - f2fs_write_data_page | |
1405 | * - f2fs_gc -> iput -> evict | |
1406 | * - inode_wait_for_writeback(inode) | |
1407 | */ | |
0f18b462 | 1408 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1409 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1410 | /* to avoid evict_inode call simultaneously */ |
1411 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1412 | spin_unlock(&inode->i_lock); |
1413 | ||
e53f8643 | 1414 | f2fs_abort_atomic_write(inode, true); |
06e1bc05 | 1415 | |
3e72f721 JK |
1416 | /* should remain fi->extent_tree for writepage */ |
1417 | f2fs_destroy_extent_node(inode); | |
1418 | ||
06e1bc05 | 1419 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1420 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1421 | |
a0770e13 | 1422 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1423 | inode, NULL, 0, DATA); | |
1424 | truncate_inode_pages_final(inode->i_mapping); | |
1425 | ||
06e1bc05 | 1426 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1427 | f2fs_truncate(inode); |
06e1bc05 JK |
1428 | |
1429 | sb_end_intwrite(inode->i_sb); | |
1430 | ||
06e1bc05 | 1431 | spin_lock(&inode->i_lock); |
3e72f721 | 1432 | atomic_dec(&inode->i_count); |
06e1bc05 | 1433 | } |
b8d96a30 | 1434 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1435 | return 0; |
06e1bc05 | 1436 | } |
b8d96a30 | 1437 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1438 | if (!ret) |
1439 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1440 | trace_f2fs_drop_inode(inode, ret); |
1441 | return ret; | |
531ad7d5 JK |
1442 | } |
1443 | ||
7c45729a | 1444 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1445 | { |
0f18b462 | 1446 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1447 | int ret = 0; |
0f18b462 | 1448 | |
0f18b462 JK |
1449 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1450 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1451 | ret = 1; |
1452 | } else { | |
1453 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1454 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1455 | } |
7c45729a JK |
1456 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1457 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1458 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1459 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1460 | } | |
338bbfa0 | 1461 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1462 | return ret; |
0f18b462 JK |
1463 | } |
1464 | ||
1465 | void f2fs_inode_synced(struct inode *inode) | |
1466 | { | |
1467 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1468 | ||
1469 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1470 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1471 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1472 | return; | |
1473 | } | |
7c45729a JK |
1474 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1475 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1476 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1477 | } | |
0f18b462 | 1478 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1479 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1480 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1481 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1482 | } |
1483 | ||
b56ab837 JK |
1484 | /* |
1485 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1486 | * | |
1487 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1488 | */ | |
1489 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1490 | { | |
1491 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1492 | ||
1493 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1494 | inode->i_ino == F2FS_META_INO(sbi)) | |
1495 | return; | |
1496 | ||
b56ab837 JK |
1497 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) |
1498 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1499 | ||
7c45729a | 1500 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1501 | } |
1502 | ||
d01718a0 | 1503 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1504 | { |
2c58d548 | 1505 | fscrypt_free_inode(inode); |
aff063e2 JK |
1506 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1507 | } | |
1508 | ||
523be8a6 JK |
1509 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1510 | { | |
513c5f37 | 1511 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
47c8ebcc JK |
1512 | percpu_counter_destroy(&sbi->rf_node_block_count); |
1513 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
523be8a6 JK |
1514 | } |
1515 | ||
3c62be17 JK |
1516 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1517 | { | |
1518 | int i; | |
1519 | ||
1520 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1521 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1522 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1523 | kvfree(FDEV(i).blkz_seq); |
3c62be17 JK |
1524 | #endif |
1525 | } | |
5222595d | 1526 | kvfree(sbi->devs); |
3c62be17 JK |
1527 | } |
1528 | ||
aff063e2 JK |
1529 | static void f2fs_put_super(struct super_block *sb) |
1530 | { | |
1531 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1532 | int i; |
cf5c759f | 1533 | bool dropped; |
aff063e2 | 1534 | |
99c787cf LG |
1535 | /* unregister procfs/sysfs entries in advance to avoid race case */ |
1536 | f2fs_unregister_sysfs(sbi); | |
1537 | ||
0abd675e | 1538 | f2fs_quota_off_umount(sb); |
aff063e2 | 1539 | |
2658e50d JK |
1540 | /* prevent remaining shrinker jobs */ |
1541 | mutex_lock(&sbi->umount_mutex); | |
1542 | ||
261eeb9c DJ |
1543 | /* |
1544 | * flush all issued checkpoints and stop checkpoint issue thread. | |
1545 | * after then, all checkpoints should be done by each process context. | |
1546 | */ | |
1547 | f2fs_stop_ckpt_thread(sbi); | |
1548 | ||
85dc2f2c JK |
1549 | /* |
1550 | * We don't need to do checkpoint when superblock is clean. | |
1551 | * But, the previous checkpoint was not done by umount, it needs to do | |
1552 | * clean checkpoint again. | |
1553 | */ | |
4354994f DR |
1554 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1555 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1556 | struct cp_control cpc = { |
1557 | .reason = CP_UMOUNT, | |
1558 | }; | |
4d57b86d | 1559 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1560 | } |
aff063e2 | 1561 | |
4e6a8d9b | 1562 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1563 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1564 | |
7d20c8ab CY |
1565 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1566 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1567 | struct cp_control cpc = { |
1568 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1569 | }; | |
4d57b86d | 1570 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1571 | } |
1572 | ||
cf779cab JK |
1573 | /* |
1574 | * normally superblock is clean, so we need to release this. | |
1575 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1576 | */ | |
4d57b86d | 1577 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1578 | |
2658e50d JK |
1579 | f2fs_leave_shrinker(sbi); |
1580 | mutex_unlock(&sbi->umount_mutex); | |
1581 | ||
17c19120 | 1582 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1583 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1584 | |
bf22c3cc | 1585 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1586 | |
1587 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1588 | ||
6ce19aff CY |
1589 | f2fs_destroy_compress_inode(sbi); |
1590 | ||
aff063e2 | 1591 | iput(sbi->node_inode); |
7c77bf7d JK |
1592 | sbi->node_inode = NULL; |
1593 | ||
aff063e2 | 1594 | iput(sbi->meta_inode); |
7c77bf7d | 1595 | sbi->meta_inode = NULL; |
aff063e2 | 1596 | |
60aa4d55 ST |
1597 | /* |
1598 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1599 | * above failed with error. | |
1600 | */ | |
1601 | f2fs_destroy_stats(sbi); | |
1602 | ||
aff063e2 | 1603 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1604 | f2fs_destroy_node_manager(sbi); |
1605 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1606 | |
4c8ff709 CY |
1607 | f2fs_destroy_post_read_wq(sbi); |
1608 | ||
5222595d | 1609 | kvfree(sbi->ckpt); |
a398101a | 1610 | |
aff063e2 | 1611 | sb->s_fs_info = NULL; |
43b6573b KM |
1612 | if (sbi->s_chksum_driver) |
1613 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 1614 | kfree(sbi->raw_super); |
523be8a6 | 1615 | |
3c62be17 | 1616 | destroy_device_list(sbi); |
31083031 | 1617 | f2fs_destroy_page_array_cache(sbi); |
a999150f | 1618 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1619 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1620 | #ifdef CONFIG_QUOTA |
1621 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1622 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1623 | #endif |
ac4acb1f | 1624 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
523be8a6 | 1625 | destroy_percpu_info(sbi); |
a4b68176 | 1626 | f2fs_destroy_iostat(sbi); |
a912b54d | 1627 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1628 | kvfree(sbi->write_io[i]); |
5298d4bf | 1629 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 1630 | utf8_unload(sb->s_encoding); |
5aba5430 | 1631 | #endif |
742532d1 | 1632 | kfree(sbi); |
aff063e2 JK |
1633 | } |
1634 | ||
1635 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1636 | { | |
1637 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1638 | int err = 0; |
aff063e2 | 1639 | |
1f227a3e JK |
1640 | if (unlikely(f2fs_cp_error(sbi))) |
1641 | return 0; | |
4354994f DR |
1642 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1643 | return 0; | |
1f227a3e | 1644 | |
a2a4a7e4 NJ |
1645 | trace_f2fs_sync_fs(sb, sync); |
1646 | ||
4b2414d0 CY |
1647 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1648 | return -EAGAIN; | |
1649 | ||
261eeb9c DJ |
1650 | if (sync) |
1651 | err = f2fs_issue_checkpoint(sbi); | |
119ee914 | 1652 | |
c34f42e2 | 1653 | return err; |
aff063e2 JK |
1654 | } |
1655 | ||
d6212a5f CL |
1656 | static int f2fs_freeze(struct super_block *sb) |
1657 | { | |
77888c1e | 1658 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1659 | return 0; |
1660 | ||
b4b9d34c JK |
1661 | /* IO error happened before */ |
1662 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1663 | return -EIO; | |
1664 | ||
1665 | /* must be clean, since sync_filesystem() was already called */ | |
1666 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1667 | return -EINVAL; | |
d50dfc0c JK |
1668 | |
1669 | /* ensure no checkpoint required */ | |
1670 | if (!llist_empty(&F2FS_SB(sb)->cprc_info.issue_list)) | |
1671 | return -EINVAL; | |
ba900534 JK |
1672 | |
1673 | /* to avoid deadlock on f2fs_evict_inode->SB_FREEZE_FS */ | |
1674 | set_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING); | |
b4b9d34c | 1675 | return 0; |
d6212a5f CL |
1676 | } |
1677 | ||
1678 | static int f2fs_unfreeze(struct super_block *sb) | |
1679 | { | |
ba900534 | 1680 | clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING); |
d6212a5f CL |
1681 | return 0; |
1682 | } | |
1683 | ||
ddc34e32 CY |
1684 | #ifdef CONFIG_QUOTA |
1685 | static int f2fs_statfs_project(struct super_block *sb, | |
1686 | kprojid_t projid, struct kstatfs *buf) | |
1687 | { | |
1688 | struct kqid qid; | |
1689 | struct dquot *dquot; | |
1690 | u64 limit; | |
1691 | u64 curblock; | |
1692 | ||
1693 | qid = make_kqid_projid(projid); | |
1694 | dquot = dqget(sb, qid); | |
1695 | if (IS_ERR(dquot)) | |
1696 | return PTR_ERR(dquot); | |
955ac6e5 | 1697 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1698 | |
bf2cbd3c CX |
1699 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1700 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1701 | if (limit) |
1702 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1703 | |
ddc34e32 | 1704 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1705 | curblock = (dquot->dq_dqb.dqb_curspace + |
1706 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1707 | buf->f_blocks = limit; |
1708 | buf->f_bfree = buf->f_bavail = | |
1709 | (buf->f_blocks > curblock) ? | |
1710 | (buf->f_blocks - curblock) : 0; | |
1711 | } | |
1712 | ||
bf2cbd3c CX |
1713 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1714 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1715 | |
ddc34e32 CY |
1716 | if (limit && buf->f_files > limit) { |
1717 | buf->f_files = limit; | |
1718 | buf->f_ffree = | |
1719 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1720 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1721 | } | |
1722 | ||
955ac6e5 | 1723 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1724 | dqput(dquot); |
1725 | return 0; | |
1726 | } | |
1727 | #endif | |
1728 | ||
aff063e2 JK |
1729 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1730 | { | |
1731 | struct super_block *sb = dentry->d_sb; | |
1732 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1733 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1734 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1735 | u64 avail_node_count; |
4de85145 | 1736 | unsigned int total_valid_node_count; |
aff063e2 JK |
1737 | |
1738 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
aff063e2 | 1739 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); |
aff063e2 JK |
1740 | buf->f_type = F2FS_SUPER_MAGIC; |
1741 | buf->f_bsize = sbi->blocksize; | |
1742 | ||
1743 | buf->f_blocks = total_count - start_count; | |
4de85145 ND |
1744 | |
1745 | spin_lock(&sbi->stat_lock); | |
1746 | ||
1747 | user_block_count = sbi->user_block_count; | |
1748 | total_valid_node_count = valid_node_count(sbi); | |
1749 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; | |
f66c027e | 1750 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1751 | sbi->current_reserved_blocks; |
c9c8ed50 | 1752 | |
4354994f DR |
1753 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1754 | buf->f_bfree = 0; | |
1755 | else | |
1756 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1757 | spin_unlock(&sbi->stat_lock); |
4354994f | 1758 | |
63189b78 CY |
1759 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1760 | buf->f_bavail = buf->f_bfree - | |
1761 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1762 | else |
1763 | buf->f_bavail = 0; | |
aff063e2 | 1764 | |
0cc091d0 JK |
1765 | if (avail_node_count > user_block_count) { |
1766 | buf->f_files = user_block_count; | |
1767 | buf->f_ffree = buf->f_bavail; | |
1768 | } else { | |
1769 | buf->f_files = avail_node_count; | |
4de85145 | 1770 | buf->f_ffree = min(avail_node_count - total_valid_node_count, |
0cc091d0 JK |
1771 | buf->f_bavail); |
1772 | } | |
aff063e2 | 1773 | |
5a20d339 | 1774 | buf->f_namelen = F2FS_NAME_LEN; |
6d1349c7 | 1775 | buf->f_fsid = u64_to_fsid(id); |
aff063e2 | 1776 | |
ddc34e32 CY |
1777 | #ifdef CONFIG_QUOTA |
1778 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1779 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1780 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1781 | } | |
1782 | #endif | |
aff063e2 JK |
1783 | return 0; |
1784 | } | |
1785 | ||
4b2414d0 CY |
1786 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1787 | struct super_block *sb) | |
1788 | { | |
1789 | #ifdef CONFIG_QUOTA | |
1790 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1791 | ||
63189b78 | 1792 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1793 | char *fmtname = ""; |
1794 | ||
63189b78 | 1795 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1796 | case QFMT_VFS_OLD: |
1797 | fmtname = "vfsold"; | |
1798 | break; | |
1799 | case QFMT_VFS_V0: | |
1800 | fmtname = "vfsv0"; | |
1801 | break; | |
1802 | case QFMT_VFS_V1: | |
1803 | fmtname = "vfsv1"; | |
1804 | break; | |
1805 | } | |
1806 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1807 | } | |
1808 | ||
63189b78 CY |
1809 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1810 | seq_show_option(seq, "usrjquota", | |
1811 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1812 | |
63189b78 CY |
1813 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1814 | seq_show_option(seq, "grpjquota", | |
1815 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1816 | |
63189b78 CY |
1817 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1818 | seq_show_option(seq, "prjjquota", | |
1819 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1820 | #endif |
1821 | } | |
1822 | ||
cd6ee739 | 1823 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
1824 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1825 | struct super_block *sb) | |
1826 | { | |
1827 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1828 | char *algtype = ""; | |
1829 | int i; | |
1830 | ||
1831 | if (!f2fs_sb_has_compression(sbi)) | |
1832 | return; | |
1833 | ||
1834 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1835 | case COMPRESS_LZO: | |
1836 | algtype = "lzo"; | |
1837 | break; | |
1838 | case COMPRESS_LZ4: | |
1839 | algtype = "lz4"; | |
1840 | break; | |
50cfa66f CY |
1841 | case COMPRESS_ZSTD: |
1842 | algtype = "zstd"; | |
1843 | break; | |
6d92b201 CY |
1844 | case COMPRESS_LZORLE: |
1845 | algtype = "lzo-rle"; | |
1846 | break; | |
4c8ff709 CY |
1847 | } |
1848 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1849 | ||
3fde13f8 CY |
1850 | if (F2FS_OPTION(sbi).compress_level) |
1851 | seq_printf(seq, ":%d", F2FS_OPTION(sbi).compress_level); | |
1852 | ||
4c8ff709 CY |
1853 | seq_printf(seq, ",compress_log_size=%u", |
1854 | F2FS_OPTION(sbi).compress_log_size); | |
1855 | ||
1856 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1857 | seq_printf(seq, ",compress_extension=%s", | |
1858 | F2FS_OPTION(sbi).extensions[i]); | |
1859 | } | |
b28f047b | 1860 | |
151b1982 FC |
1861 | for (i = 0; i < F2FS_OPTION(sbi).nocompress_ext_cnt; i++) { |
1862 | seq_printf(seq, ",nocompress_extension=%s", | |
1863 | F2FS_OPTION(sbi).noextensions[i]); | |
1864 | } | |
1865 | ||
b28f047b CY |
1866 | if (F2FS_OPTION(sbi).compress_chksum) |
1867 | seq_puts(seq, ",compress_chksum"); | |
602a16d5 DJ |
1868 | |
1869 | if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS) | |
1870 | seq_printf(seq, ",compress_mode=%s", "fs"); | |
1871 | else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER) | |
1872 | seq_printf(seq, ",compress_mode=%s", "user"); | |
6ce19aff CY |
1873 | |
1874 | if (test_opt(sbi, COMPRESS_CACHE)) | |
1875 | seq_puts(seq, ",compress_cache"); | |
4c8ff709 | 1876 | } |
cd6ee739 | 1877 | #endif |
4c8ff709 | 1878 | |
aff063e2 JK |
1879 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1880 | { | |
1881 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1882 | ||
bbbc34fd CY |
1883 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1884 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1885 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1886 | seq_printf(seq, ",background_gc=%s", "on"); | |
1887 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1888 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1889 | |
5911d2d1 CY |
1890 | if (test_opt(sbi, GC_MERGE)) |
1891 | seq_puts(seq, ",gc_merge"); | |
1892 | ||
aff063e2 JK |
1893 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1894 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1895 | if (test_opt(sbi, NORECOVERY)) |
1896 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1897 | if (test_opt(sbi, DISCARD)) |
1898 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1899 | else |
1900 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1901 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1902 | seq_puts(seq, ",no_heap"); |
1903 | else | |
1904 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1905 | #ifdef CONFIG_F2FS_FS_XATTR |
1906 | if (test_opt(sbi, XATTR_USER)) | |
1907 | seq_puts(seq, ",user_xattr"); | |
1908 | else | |
1909 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1910 | if (test_opt(sbi, INLINE_XATTR)) |
1911 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1912 | else |
1913 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1914 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1915 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1916 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1917 | #endif |
1918 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1919 | if (test_opt(sbi, POSIX_ACL)) | |
1920 | seq_puts(seq, ",acl"); | |
1921 | else | |
1922 | seq_puts(seq, ",noacl"); | |
1923 | #endif | |
1924 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1925 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1926 | if (test_opt(sbi, INLINE_DATA)) |
1927 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1928 | else |
1929 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1930 | if (test_opt(sbi, INLINE_DENTRY)) |
1931 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1932 | else |
1933 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1934 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1935 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1936 | if (test_opt(sbi, NOBARRIER)) |
1937 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1938 | if (test_opt(sbi, FASTBOOT)) |
1939 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1940 | if (test_opt(sbi, EXTENT_CACHE)) |
1941 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1942 | else |
1943 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1944 | if (test_opt(sbi, DATA_FLUSH)) |
1945 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1946 | |
1947 | seq_puts(seq, ",mode="); | |
b0332a0f | 1948 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1949 | seq_puts(seq, "adaptive"); |
b0332a0f | 1950 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1951 | seq_puts(seq, "lfs"); |
6691d940 DJ |
1952 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG) |
1953 | seq_puts(seq, "fragment:segment"); | |
1954 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK) | |
1955 | seq_puts(seq, "fragment:block"); | |
63189b78 | 1956 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1957 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1958 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1959 | F2FS_OPTION(sbi).root_reserved_blocks, |
1960 | from_kuid_munged(&init_user_ns, | |
1961 | F2FS_OPTION(sbi).s_resuid), | |
1962 | from_kgid_munged(&init_user_ns, | |
1963 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1964 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1965 | seq_printf(seq, ",io_bits=%u", |
1966 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1967 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1968 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1969 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1970 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1971 | seq_printf(seq, ",fault_type=%u", |
1972 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1973 | } | |
0cc0dec2 | 1974 | #endif |
0abd675e | 1975 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1976 | if (test_opt(sbi, QUOTA)) |
1977 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1978 | if (test_opt(sbi, USRQUOTA)) |
1979 | seq_puts(seq, ",usrquota"); | |
1980 | if (test_opt(sbi, GRPQUOTA)) | |
1981 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1982 | if (test_opt(sbi, PRJQUOTA)) |
1983 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1984 | #endif |
4b2414d0 | 1985 | f2fs_show_quota_options(seq, sbi->sb); |
ed318a6c EB |
1986 | |
1987 | fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb); | |
aff063e2 | 1988 | |
27aacd28 ST |
1989 | if (sbi->sb->s_flags & SB_INLINECRYPT) |
1990 | seq_puts(seq, ",inlinecrypt"); | |
1991 | ||
63189b78 | 1992 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1993 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1994 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1995 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1996 | |
4354994f | 1997 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1998 | seq_printf(seq, ",checkpoint=disable:%u", |
1999 | F2FS_OPTION(sbi).unusable_cap); | |
261eeb9c DJ |
2000 | if (test_opt(sbi, MERGE_CHECKPOINT)) |
2001 | seq_puts(seq, ",checkpoint_merge"); | |
2002 | else | |
2003 | seq_puts(seq, ",nocheckpoint_merge"); | |
63189b78 | 2004 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 2005 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 2006 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 2007 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
2008 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
2009 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 | 2010 | |
1f0b067b | 2011 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 2012 | f2fs_show_compress_options(seq, sbi->sb); |
1f0b067b | 2013 | #endif |
093749e2 CY |
2014 | |
2015 | if (test_opt(sbi, ATGC)) | |
2016 | seq_puts(seq, ",atgc"); | |
4f993264 CY |
2017 | |
2018 | if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK) | |
2019 | seq_printf(seq, ",discard_unit=%s", "block"); | |
2020 | else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT) | |
2021 | seq_printf(seq, ",discard_unit=%s", "segment"); | |
2022 | else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION) | |
2023 | seq_printf(seq, ",discard_unit=%s", "section"); | |
2024 | ||
7a8fc586 DJ |
2025 | if (F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_NORMAL) |
2026 | seq_printf(seq, ",memory=%s", "normal"); | |
2027 | else if (F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW) | |
2028 | seq_printf(seq, ",memory=%s", "low"); | |
2029 | ||
aff063e2 JK |
2030 | return 0; |
2031 | } | |
2032 | ||
498c5e9f YH |
2033 | static void default_options(struct f2fs_sb_info *sbi) |
2034 | { | |
2035 | /* init some FS parameters */ | |
a7d9fe3c JK |
2036 | if (f2fs_sb_has_readonly(sbi)) |
2037 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_RO_TYPE; | |
2038 | else | |
2039 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE; | |
2040 | ||
63189b78 | 2041 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; |
63189b78 CY |
2042 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
2043 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
0aa7e0f8 CY |
2044 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
2045 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 2046 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
2047 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
2048 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
602a16d5 | 2049 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; |
bbbc34fd | 2050 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
7a8fc586 | 2051 | F2FS_OPTION(sbi).memory_mode = MEMORY_MODE_NORMAL; |
498c5e9f | 2052 | |
27aacd28 ST |
2053 | sbi->sb->s_flags &= ~SB_INLINECRYPT; |
2054 | ||
39133a50 | 2055 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 2056 | set_opt(sbi, INLINE_DATA); |
97c1794a | 2057 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 2058 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 2059 | set_opt(sbi, NOHEAP); |
4354994f | 2060 | clear_opt(sbi, DISABLE_CHECKPOINT); |
b5d15199 | 2061 | set_opt(sbi, MERGE_CHECKPOINT); |
4d3aed70 | 2062 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 2063 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 2064 | set_opt(sbi, FLUSH_MERGE); |
f7db8dd6 CY |
2065 | if (f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) |
2066 | set_opt(sbi, DISCARD); | |
4f993264 | 2067 | if (f2fs_sb_has_blkzoned(sbi)) { |
b0332a0f | 2068 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
4f993264 CY |
2069 | F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_SECTION; |
2070 | } else { | |
b0332a0f | 2071 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
4f993264 CY |
2072 | F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_BLOCK; |
2073 | } | |
498c5e9f YH |
2074 | |
2075 | #ifdef CONFIG_F2FS_FS_XATTR | |
2076 | set_opt(sbi, XATTR_USER); | |
2077 | #endif | |
2078 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
2079 | set_opt(sbi, POSIX_ACL); | |
2080 | #endif | |
36dbd328 | 2081 | |
d494500a | 2082 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
2083 | } |
2084 | ||
ea676733 JK |
2085 | #ifdef CONFIG_QUOTA |
2086 | static int f2fs_enable_quotas(struct super_block *sb); | |
2087 | #endif | |
4354994f DR |
2088 | |
2089 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
2090 | { | |
812a9597 | 2091 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 2092 | struct cp_control cpc; |
2880f47b | 2093 | unsigned int gc_mode = sbi->gc_mode; |
812a9597 JK |
2094 | int err = 0; |
2095 | int ret; | |
4d3aed70 | 2096 | block_t unusable; |
4354994f | 2097 | |
812a9597 | 2098 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 2099 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
2100 | return -EINVAL; |
2101 | } | |
4354994f DR |
2102 | sbi->sb->s_flags |= SB_ACTIVE; |
2103 | ||
2880f47b WG |
2104 | /* check if we need more GC first */ |
2105 | unusable = f2fs_get_unusable_blocks(sbi); | |
2106 | if (!f2fs_disable_cp_again(sbi, unusable)) | |
2107 | goto skip_gc; | |
2108 | ||
4354994f DR |
2109 | f2fs_update_time(sbi, DISABLE_TIME); |
2110 | ||
98e92867 CY |
2111 | sbi->gc_mode = GC_URGENT_HIGH; |
2112 | ||
4354994f | 2113 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { |
d147ea4a JK |
2114 | struct f2fs_gc_control gc_control = { |
2115 | .victim_segno = NULL_SEGNO, | |
2116 | .init_gc_type = FG_GC, | |
2117 | .should_migrate_blocks = false, | |
c81d5bae JK |
2118 | .err_gc_skipped = true, |
2119 | .nr_free_secs = 1 }; | |
d147ea4a | 2120 | |
e4544b63 | 2121 | f2fs_down_write(&sbi->gc_lock); |
d147ea4a | 2122 | err = f2fs_gc(sbi, &gc_control); |
812a9597 JK |
2123 | if (err == -ENODATA) { |
2124 | err = 0; | |
4354994f | 2125 | break; |
812a9597 | 2126 | } |
8f31b466 | 2127 | if (err && err != -EAGAIN) |
812a9597 | 2128 | break; |
4354994f | 2129 | } |
4354994f | 2130 | |
812a9597 JK |
2131 | ret = sync_filesystem(sbi->sb); |
2132 | if (ret || err) { | |
5f029c04 | 2133 | err = ret ? ret : err; |
812a9597 JK |
2134 | goto restore_flag; |
2135 | } | |
4354994f | 2136 | |
4d3aed70 DR |
2137 | unusable = f2fs_get_unusable_blocks(sbi); |
2138 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
2139 | err = -EAGAIN; |
2140 | goto restore_flag; | |
2141 | } | |
4354994f | 2142 | |
2880f47b | 2143 | skip_gc: |
e4544b63 | 2144 | f2fs_down_write(&sbi->gc_lock); |
4354994f DR |
2145 | cpc.reason = CP_PAUSE; |
2146 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
2147 | err = f2fs_write_checkpoint(sbi, &cpc); |
2148 | if (err) | |
2149 | goto out_unlock; | |
4354994f | 2150 | |
c9c8ed50 | 2151 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 2152 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
2153 | spin_unlock(&sbi->stat_lock); |
2154 | ||
896285ad | 2155 | out_unlock: |
e4544b63 | 2156 | f2fs_up_write(&sbi->gc_lock); |
812a9597 | 2157 | restore_flag: |
98e92867 | 2158 | sbi->gc_mode = gc_mode; |
7a88ddb5 | 2159 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 2160 | return err; |
4354994f DR |
2161 | } |
2162 | ||
2163 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
2164 | { | |
dddd3d65 JK |
2165 | int retry = DEFAULT_RETRY_IO_COUNT; |
2166 | ||
b0ff4fe7 | 2167 | /* we should flush all the data to keep data consistency */ |
dddd3d65 JK |
2168 | do { |
2169 | sync_inodes_sb(sbi->sb); | |
a64239d0 | 2170 | f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); |
dddd3d65 JK |
2171 | } while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--); |
2172 | ||
2173 | if (unlikely(retry < 0)) | |
2174 | f2fs_warn(sbi, "checkpoint=enable has some unwritten data."); | |
b0ff4fe7 | 2175 | |
e4544b63 | 2176 | f2fs_down_write(&sbi->gc_lock); |
4354994f DR |
2177 | f2fs_dirty_to_prefree(sbi); |
2178 | ||
2179 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
2180 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
e4544b63 | 2181 | f2fs_up_write(&sbi->gc_lock); |
4354994f DR |
2182 | |
2183 | f2fs_sync_fs(sbi->sb, 1); | |
2184 | } | |
2185 | ||
696c018c NJ |
2186 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
2187 | { | |
2188 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2189 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 2190 | unsigned long old_sb_flags; |
63189b78 | 2191 | int err; |
3fd97359 CY |
2192 | bool need_restart_gc = false, need_stop_gc = false; |
2193 | bool need_restart_ckpt = false, need_stop_ckpt = false; | |
2194 | bool need_restart_flush = false, need_stop_flush = false; | |
4d674904 | 2195 | bool need_restart_discard = false, need_stop_discard = false; |
9cd81ce3 | 2196 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
277afbde | 2197 | bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 2198 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
093749e2 | 2199 | bool no_atgc = !test_opt(sbi, ATGC); |
4d674904 | 2200 | bool no_discard = !test_opt(sbi, DISCARD); |
6ce19aff | 2201 | bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE); |
4f993264 | 2202 | bool block_unit_discard = f2fs_block_unit_discard(sbi); |
4d674904 | 2203 | struct discard_cmd_control *dcc; |
4b2414d0 | 2204 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
2205 | int i, j; |
2206 | #endif | |
696c018c NJ |
2207 | |
2208 | /* | |
2209 | * Save the old mount options in case we | |
2210 | * need to restore them. | |
2211 | */ | |
2212 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 2213 | old_sb_flags = sb->s_flags; |
696c018c | 2214 | |
4b2414d0 | 2215 | #ifdef CONFIG_QUOTA |
63189b78 | 2216 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 2217 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
2218 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
2219 | org_mount_opt.s_qf_names[i] = | |
2220 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
2221 | GFP_KERNEL); | |
2222 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 2223 | for (j = 0; j < i; j++) |
ba87a45c | 2224 | kfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
2225 | return -ENOMEM; |
2226 | } | |
2227 | } else { | |
63189b78 | 2228 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
2229 | } |
2230 | } | |
2231 | #endif | |
2232 | ||
df728b0f | 2233 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 2234 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 2235 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
2236 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
2237 | err); | |
df728b0f JK |
2238 | if (!err) |
2239 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
2240 | } | |
2241 | ||
498c5e9f | 2242 | default_options(sbi); |
26666c8a | 2243 | |
696c018c | 2244 | /* parse mount options */ |
ed318a6c | 2245 | err = parse_options(sb, data, true); |
696c018c NJ |
2246 | if (err) |
2247 | goto restore_opts; | |
2248 | ||
2249 | /* | |
2250 | * Previous and new state of filesystem is RO, | |
876dc59e | 2251 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 2252 | */ |
1751e8a6 | 2253 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
2254 | goto skip; |
2255 | ||
a7d9fe3c JK |
2256 | if (f2fs_sb_has_readonly(sbi) && !(*flags & SB_RDONLY)) { |
2257 | err = -EROFS; | |
2258 | goto restore_opts; | |
2259 | } | |
2260 | ||
ea676733 | 2261 | #ifdef CONFIG_QUOTA |
1751e8a6 | 2262 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
2263 | err = dquot_suspend(sb, -1); |
2264 | if (err < 0) | |
2265 | goto restore_opts; | |
4354994f | 2266 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 2267 | /* dquot_resume needs RW */ |
1751e8a6 | 2268 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
2269 | if (sb_any_quota_suspended(sb)) { |
2270 | dquot_resume(sb, -1); | |
7beb01f7 | 2271 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
2272 | err = f2fs_enable_quotas(sb); |
2273 | if (err) | |
2274 | goto restore_opts; | |
2275 | } | |
0abd675e | 2276 | } |
ea676733 | 2277 | #endif |
093749e2 CY |
2278 | /* disallow enable atgc dynamically */ |
2279 | if (no_atgc == !!test_opt(sbi, ATGC)) { | |
2280 | err = -EINVAL; | |
2281 | f2fs_warn(sbi, "switch atgc option is not allowed"); | |
2282 | goto restore_opts; | |
2283 | } | |
2284 | ||
9cd81ce3 CY |
2285 | /* disallow enable/disable extent_cache dynamically */ |
2286 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
2287 | err = -EINVAL; | |
dcbb4c10 | 2288 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
2289 | goto restore_opts; |
2290 | } | |
2291 | ||
1f78adfa CY |
2292 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
2293 | err = -EINVAL; | |
2294 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
2295 | goto restore_opts; | |
2296 | } | |
2297 | ||
6ce19aff CY |
2298 | if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) { |
2299 | err = -EINVAL; | |
2300 | f2fs_warn(sbi, "switch compress_cache option is not allowed"); | |
2301 | goto restore_opts; | |
2302 | } | |
2303 | ||
4f993264 CY |
2304 | if (block_unit_discard != f2fs_block_unit_discard(sbi)) { |
2305 | err = -EINVAL; | |
2306 | f2fs_warn(sbi, "switch discard_unit option is not allowed"); | |
2307 | goto restore_opts; | |
2308 | } | |
2309 | ||
4354994f DR |
2310 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
2311 | err = -EINVAL; | |
dcbb4c10 | 2312 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
2313 | goto restore_opts; |
2314 | } | |
2315 | ||
696c018c NJ |
2316 | /* |
2317 | * We stop the GC thread if FS is mounted as RO | |
2318 | * or if background_gc = off is passed in mount | |
2319 | * option. Also sync the filesystem. | |
2320 | */ | |
bbbc34fd | 2321 | if ((*flags & SB_RDONLY) || |
5911d2d1 CY |
2322 | (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF && |
2323 | !test_opt(sbi, GC_MERGE))) { | |
696c018c | 2324 | if (sbi->gc_thread) { |
4d57b86d | 2325 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2326 | need_restart_gc = true; |
696c018c | 2327 | } |
aba291b3 | 2328 | } else if (!sbi->gc_thread) { |
4d57b86d | 2329 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
2330 | if (err) |
2331 | goto restore_opts; | |
876dc59e GZ |
2332 | need_stop_gc = true; |
2333 | } | |
2334 | ||
930e2607 | 2335 | if (*flags & SB_RDONLY) { |
faa0e55b JK |
2336 | sync_inodes_sb(sb); |
2337 | ||
2338 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
2339 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
2340 | f2fs_sync_fs(sb, 1); | |
2341 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
2342 | } | |
2343 | ||
3f7070b0 CY |
2344 | if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) || |
2345 | !test_opt(sbi, MERGE_CHECKPOINT)) { | |
2346 | f2fs_stop_ckpt_thread(sbi); | |
3fd97359 | 2347 | need_restart_ckpt = true; |
3f7070b0 | 2348 | } else { |
261eeb9c DJ |
2349 | err = f2fs_start_ckpt_thread(sbi); |
2350 | if (err) { | |
2351 | f2fs_err(sbi, | |
2352 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
2353 | err); | |
2354 | goto restore_gc; | |
2355 | } | |
3fd97359 | 2356 | need_stop_ckpt = true; |
261eeb9c DJ |
2357 | } |
2358 | ||
876dc59e GZ |
2359 | /* |
2360 | * We stop issue flush thread if FS is mounted as RO | |
2361 | * or if flush_merge is not passed in mount option. | |
2362 | */ | |
1751e8a6 | 2363 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 2364 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 2365 | f2fs_destroy_flush_cmd_control(sbi, false); |
3fd97359 | 2366 | need_restart_flush = true; |
5eba8c5d | 2367 | } else { |
4d57b86d | 2368 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 2369 | if (err) |
3fd97359 CY |
2370 | goto restore_ckpt; |
2371 | need_stop_flush = true; | |
696c018c | 2372 | } |
3fd97359 | 2373 | |
4d674904 FC |
2374 | if (no_discard == !!test_opt(sbi, DISCARD)) { |
2375 | if (test_opt(sbi, DISCARD)) { | |
2376 | err = f2fs_start_discard_thread(sbi); | |
2377 | if (err) | |
2378 | goto restore_flush; | |
2379 | need_stop_discard = true; | |
2380 | } else { | |
2381 | dcc = SM_I(sbi)->dcc_info; | |
2382 | f2fs_stop_discard_thread(sbi); | |
2383 | if (atomic_read(&dcc->discard_cmd_cnt)) | |
2384 | f2fs_issue_discard_timeout(sbi); | |
2385 | need_restart_discard = true; | |
2386 | } | |
2387 | } | |
2388 | ||
277afbde | 2389 | if (enable_checkpoint == !!test_opt(sbi, DISABLE_CHECKPOINT)) { |
3fd97359 CY |
2390 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
2391 | err = f2fs_disable_checkpoint(sbi); | |
2392 | if (err) | |
4d674904 | 2393 | goto restore_discard; |
3fd97359 CY |
2394 | } else { |
2395 | f2fs_enable_checkpoint(sbi); | |
2396 | } | |
2397 | } | |
2398 | ||
696c018c | 2399 | skip: |
4b2414d0 CY |
2400 | #ifdef CONFIG_QUOTA |
2401 | /* Release old quota file names */ | |
2402 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 2403 | kfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 2404 | #endif |
696c018c | 2405 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
2406 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
2407 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 2408 | |
7e65be49 | 2409 | limit_reserve_root(sbi); |
1ae18f71 | 2410 | adjust_unusable_cap_perc(sbi); |
095680f2 | 2411 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 2412 | return 0; |
4d674904 FC |
2413 | restore_discard: |
2414 | if (need_restart_discard) { | |
2415 | if (f2fs_start_discard_thread(sbi)) | |
2416 | f2fs_warn(sbi, "discard has been stopped"); | |
2417 | } else if (need_stop_discard) { | |
2418 | f2fs_stop_discard_thread(sbi); | |
2419 | } | |
3fd97359 CY |
2420 | restore_flush: |
2421 | if (need_restart_flush) { | |
2422 | if (f2fs_create_flush_cmd_control(sbi)) | |
2423 | f2fs_warn(sbi, "background flush thread has stopped"); | |
2424 | } else if (need_stop_flush) { | |
2425 | clear_opt(sbi, FLUSH_MERGE); | |
2426 | f2fs_destroy_flush_cmd_control(sbi, false); | |
2427 | } | |
2428 | restore_ckpt: | |
2429 | if (need_restart_ckpt) { | |
2430 | if (f2fs_start_ckpt_thread(sbi)) | |
2431 | f2fs_warn(sbi, "background ckpt thread has stopped"); | |
2432 | } else if (need_stop_ckpt) { | |
2433 | f2fs_stop_ckpt_thread(sbi); | |
2434 | } | |
876dc59e GZ |
2435 | restore_gc: |
2436 | if (need_restart_gc) { | |
4d57b86d | 2437 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 2438 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 2439 | } else if (need_stop_gc) { |
4d57b86d | 2440 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2441 | } |
696c018c | 2442 | restore_opts: |
4b2414d0 | 2443 | #ifdef CONFIG_QUOTA |
63189b78 | 2444 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 2445 | for (i = 0; i < MAXQUOTAS; i++) { |
ba87a45c | 2446 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 2447 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
2448 | } |
2449 | #endif | |
696c018c | 2450 | sbi->mount_opt = org_mount_opt; |
0abd675e | 2451 | sb->s_flags = old_sb_flags; |
696c018c NJ |
2452 | return err; |
2453 | } | |
2454 | ||
0abd675e CY |
2455 | #ifdef CONFIG_QUOTA |
2456 | /* Read data from quotafile */ | |
2457 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
2458 | size_t len, loff_t off) | |
2459 | { | |
2460 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2461 | struct address_space *mapping = inode->i_mapping; | |
2462 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
2463 | int offset = off & (sb->s_blocksize - 1); | |
2464 | int tocopy; | |
2465 | size_t toread; | |
2466 | loff_t i_size = i_size_read(inode); | |
2467 | struct page *page; | |
2468 | char *kaddr; | |
2469 | ||
2470 | if (off > i_size) | |
2471 | return 0; | |
2472 | ||
2473 | if (off + len > i_size) | |
2474 | len = i_size - off; | |
2475 | toread = len; | |
2476 | while (toread > 0) { | |
2477 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
2478 | repeat: | |
02117b8a | 2479 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
2480 | if (IS_ERR(page)) { |
2481 | if (PTR_ERR(page) == -ENOMEM) { | |
4034247a | 2482 | memalloc_retry_wait(GFP_NOFS); |
4e46a023 JK |
2483 | goto repeat; |
2484 | } | |
af033b2a | 2485 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2486 | return PTR_ERR(page); |
4e46a023 | 2487 | } |
0abd675e CY |
2488 | |
2489 | lock_page(page); | |
2490 | ||
2491 | if (unlikely(page->mapping != mapping)) { | |
2492 | f2fs_put_page(page, 1); | |
2493 | goto repeat; | |
2494 | } | |
2495 | if (unlikely(!PageUptodate(page))) { | |
2496 | f2fs_put_page(page, 1); | |
af033b2a | 2497 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
2498 | return -EIO; |
2499 | } | |
2500 | ||
2501 | kaddr = kmap_atomic(page); | |
2502 | memcpy(data, kaddr + offset, tocopy); | |
2503 | kunmap_atomic(kaddr); | |
2504 | f2fs_put_page(page, 1); | |
2505 | ||
2506 | offset = 0; | |
2507 | toread -= tocopy; | |
2508 | data += tocopy; | |
2509 | blkidx++; | |
2510 | } | |
2511 | return len; | |
2512 | } | |
2513 | ||
2514 | /* Write to quotafile */ | |
2515 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
2516 | const char *data, size_t len, loff_t off) | |
2517 | { | |
2518 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2519 | struct address_space *mapping = inode->i_mapping; | |
2520 | const struct address_space_operations *a_ops = mapping->a_ops; | |
2521 | int offset = off & (sb->s_blocksize - 1); | |
2522 | size_t towrite = len; | |
2523 | struct page *page; | |
62f63eea | 2524 | void *fsdata = NULL; |
0abd675e CY |
2525 | char *kaddr; |
2526 | int err = 0; | |
2527 | int tocopy; | |
2528 | ||
2529 | while (towrite > 0) { | |
2530 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
2531 | towrite); | |
4e46a023 | 2532 | retry: |
9d6b0cd7 | 2533 | err = a_ops->write_begin(NULL, mapping, off, tocopy, |
62f63eea | 2534 | &page, &fsdata); |
4e46a023 JK |
2535 | if (unlikely(err)) { |
2536 | if (err == -ENOMEM) { | |
a64239d0 | 2537 | f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); |
4e46a023 JK |
2538 | goto retry; |
2539 | } | |
af033b2a | 2540 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2541 | break; |
4e46a023 | 2542 | } |
0abd675e CY |
2543 | |
2544 | kaddr = kmap_atomic(page); | |
2545 | memcpy(kaddr + offset, data, tocopy); | |
2546 | kunmap_atomic(kaddr); | |
2547 | flush_dcache_page(page); | |
2548 | ||
2549 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 2550 | page, fsdata); |
0abd675e CY |
2551 | offset = 0; |
2552 | towrite -= tocopy; | |
2553 | off += tocopy; | |
2554 | data += tocopy; | |
2555 | cond_resched(); | |
2556 | } | |
2557 | ||
2558 | if (len == towrite) | |
6e5b5d41 | 2559 | return err; |
0abd675e CY |
2560 | inode->i_mtime = inode->i_ctime = current_time(inode); |
2561 | f2fs_mark_inode_dirty_sync(inode, false); | |
2562 | return len - towrite; | |
2563 | } | |
2564 | ||
10a26878 CY |
2565 | int f2fs_dquot_initialize(struct inode *inode) |
2566 | { | |
2567 | if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT)) { | |
2568 | f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_DQUOT_INIT); | |
2569 | return -ESRCH; | |
2570 | } | |
2571 | ||
2572 | return dquot_initialize(inode); | |
2573 | } | |
2574 | ||
0abd675e CY |
2575 | static struct dquot **f2fs_get_dquots(struct inode *inode) |
2576 | { | |
2577 | return F2FS_I(inode)->i_dquot; | |
2578 | } | |
2579 | ||
2580 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
2581 | { | |
2582 | return &F2FS_I(inode)->i_reserved_quota; | |
2583 | } | |
2584 | ||
4b2414d0 CY |
2585 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2586 | { | |
af033b2a | 2587 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2588 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2589 | return 0; |
2590 | } | |
2591 | ||
63189b78 CY |
2592 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2593 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2594 | } |
2595 | ||
ea676733 | 2596 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2597 | { |
ea676733 JK |
2598 | int enabled = 0; |
2599 | int i, err; | |
2600 | ||
7beb01f7 | 2601 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2602 | err = f2fs_enable_quotas(sbi->sb); |
2603 | if (err) { | |
dcbb4c10 | 2604 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2605 | return 0; |
2606 | } | |
2607 | return 1; | |
2608 | } | |
4b2414d0 CY |
2609 | |
2610 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2611 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2612 | err = f2fs_quota_on_mount(sbi, i); |
2613 | if (!err) { | |
2614 | enabled = 1; | |
2615 | continue; | |
2616 | } | |
dcbb4c10 JP |
2617 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2618 | err, i); | |
4b2414d0 CY |
2619 | } |
2620 | } | |
ea676733 JK |
2621 | return enabled; |
2622 | } | |
2623 | ||
2624 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2625 | unsigned int flags) | |
2626 | { | |
2627 | struct inode *qf_inode; | |
2628 | unsigned long qf_inum; | |
2629 | int err; | |
2630 | ||
7beb01f7 | 2631 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2632 | |
2633 | qf_inum = f2fs_qf_ino(sb, type); | |
2634 | if (!qf_inum) | |
2635 | return -EPERM; | |
2636 | ||
2637 | qf_inode = f2fs_iget(sb, qf_inum); | |
2638 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2639 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2640 | return PTR_ERR(qf_inode); |
2641 | } | |
2642 | ||
2643 | /* Don't account quota for quota files to avoid recursion */ | |
2644 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2645 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2646 | iput(qf_inode); |
2647 | return err; | |
2648 | } | |
2649 | ||
2650 | static int f2fs_enable_quotas(struct super_block *sb) | |
2651 | { | |
dcbb4c10 | 2652 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2653 | int type, err = 0; |
2654 | unsigned long qf_inum; | |
2655 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2656 | test_opt(sbi, USRQUOTA), |
2657 | test_opt(sbi, GRPQUOTA), | |
2658 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2659 | }; |
2660 | ||
af033b2a | 2661 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2662 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2663 | return 0; |
2664 | } | |
2665 | ||
2666 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2667 | ||
ea676733 JK |
2668 | for (type = 0; type < MAXQUOTAS; type++) { |
2669 | qf_inum = f2fs_qf_ino(sb, type); | |
2670 | if (qf_inum) { | |
2671 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2672 | DQUOT_USAGE_ENABLED | | |
2673 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2674 | if (err) { | |
dcbb4c10 JP |
2675 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2676 | type, err); | |
ea676733 JK |
2677 | for (type--; type >= 0; type--) |
2678 | dquot_quota_off(sb, type); | |
af033b2a CY |
2679 | set_sbi_flag(F2FS_SB(sb), |
2680 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2681 | return err; |
2682 | } | |
4b2414d0 CY |
2683 | } |
2684 | } | |
ea676733 | 2685 | return 0; |
4b2414d0 CY |
2686 | } |
2687 | ||
9de71ede CY |
2688 | static int f2fs_quota_sync_file(struct f2fs_sb_info *sbi, int type) |
2689 | { | |
2690 | struct quota_info *dqopt = sb_dqopt(sbi->sb); | |
2691 | struct address_space *mapping = dqopt->files[type]->i_mapping; | |
2692 | int ret = 0; | |
2693 | ||
2694 | ret = dquot_writeback_dquots(sbi->sb, type); | |
2695 | if (ret) | |
2696 | goto out; | |
2697 | ||
2698 | ret = filemap_fdatawrite(mapping); | |
2699 | if (ret) | |
2700 | goto out; | |
2701 | ||
2702 | /* if we are using journalled quota */ | |
2703 | if (is_journalled_quota(sbi)) | |
2704 | goto out; | |
2705 | ||
2706 | ret = filemap_fdatawait(mapping); | |
2707 | ||
2708 | truncate_inode_pages(&dqopt->files[type]->i_data, 0); | |
2709 | out: | |
2710 | if (ret) | |
2711 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2712 | return ret; | |
2713 | } | |
2714 | ||
af033b2a | 2715 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2716 | { |
af033b2a | 2717 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2718 | struct quota_info *dqopt = sb_dqopt(sb); |
2719 | int cnt; | |
680af5b8 | 2720 | int ret = 0; |
0abd675e | 2721 | |
0abd675e CY |
2722 | /* |
2723 | * Now when everything is written we can discard the pagecache so | |
2724 | * that userspace sees the changes. | |
2725 | */ | |
2726 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a | 2727 | |
0abd675e CY |
2728 | if (type != -1 && cnt != type) |
2729 | continue; | |
0abd675e | 2730 | |
680af5b8 JP |
2731 | if (!sb_has_quota_active(sb, cnt)) |
2732 | continue; | |
af033b2a | 2733 | |
6213f5d4 JK |
2734 | if (!f2fs_sb_has_quota_ino(sbi)) |
2735 | inode_lock(dqopt->files[cnt]); | |
af033b2a | 2736 | |
9de71ede CY |
2737 | /* |
2738 | * do_quotactl | |
2739 | * f2fs_quota_sync | |
e4544b63 | 2740 | * f2fs_down_read(quota_sem) |
9de71ede CY |
2741 | * dquot_writeback_dquots() |
2742 | * f2fs_dquot_commit | |
2743 | * block_operation | |
e4544b63 | 2744 | * f2fs_down_read(quota_sem) |
9de71ede CY |
2745 | */ |
2746 | f2fs_lock_op(sbi); | |
e4544b63 | 2747 | f2fs_down_read(&sbi->quota_sem); |
af033b2a | 2748 | |
9de71ede CY |
2749 | ret = f2fs_quota_sync_file(sbi, cnt); |
2750 | ||
e4544b63 | 2751 | f2fs_up_read(&sbi->quota_sem); |
9de71ede | 2752 | f2fs_unlock_op(sbi); |
0abd675e | 2753 | |
6213f5d4 JK |
2754 | if (!f2fs_sb_has_quota_ino(sbi)) |
2755 | inode_unlock(dqopt->files[cnt]); | |
9de71ede CY |
2756 | |
2757 | if (ret) | |
2758 | break; | |
0abd675e | 2759 | } |
af033b2a | 2760 | return ret; |
0abd675e CY |
2761 | } |
2762 | ||
2763 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2764 | const struct path *path) | |
2765 | { | |
2766 | struct inode *inode; | |
2767 | int err; | |
2768 | ||
fe973b06 CY |
2769 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2770 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2771 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2772 | return -EBUSY; | |
2773 | } | |
2774 | ||
9a20d391 | 2775 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2776 | if (err) |
2777 | return err; | |
2778 | ||
2779 | err = dquot_quota_on(sb, type, format_id, path); | |
2780 | if (err) | |
2781 | return err; | |
2782 | ||
2783 | inode = d_inode(path->dentry); | |
2784 | ||
2785 | inode_lock(inode); | |
59c84408 | 2786 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2787 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2788 | inode_unlock(inode); |
2789 | f2fs_mark_inode_dirty_sync(inode, false); | |
2790 | ||
2791 | return 0; | |
2792 | } | |
2793 | ||
fe973b06 | 2794 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2795 | { |
2796 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2797 | int err; | |
2798 | ||
2799 | if (!inode || !igrab(inode)) | |
2800 | return dquot_quota_off(sb, type); | |
2801 | ||
cda9cc59 YH |
2802 | err = f2fs_quota_sync(sb, type); |
2803 | if (err) | |
2804 | goto out_put; | |
0abd675e CY |
2805 | |
2806 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2807 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2808 | goto out_put; |
2809 | ||
2810 | inode_lock(inode); | |
59c84408 | 2811 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2812 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2813 | inode_unlock(inode); |
2814 | f2fs_mark_inode_dirty_sync(inode, false); | |
2815 | out_put: | |
2816 | iput(inode); | |
2817 | return err; | |
2818 | } | |
2819 | ||
fe973b06 CY |
2820 | static int f2fs_quota_off(struct super_block *sb, int type) |
2821 | { | |
2822 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2823 | int err; | |
2824 | ||
2825 | err = __f2fs_quota_off(sb, type); | |
2826 | ||
2827 | /* | |
2828 | * quotactl can shutdown journalled quota, result in inconsistence | |
2829 | * between quota record and fs data by following updates, tag the | |
2830 | * flag to let fsck be aware of it. | |
2831 | */ | |
2832 | if (is_journalled_quota(sbi)) | |
2833 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2834 | return err; | |
2835 | } | |
2836 | ||
4b2414d0 | 2837 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2838 | { |
2839 | int type; | |
cda9cc59 YH |
2840 | int err; |
2841 | ||
2842 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2843 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2844 | if (err) { |
2845 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2846 | |
dcbb4c10 JP |
2847 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2848 | type, err, ret); | |
af033b2a | 2849 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2850 | } |
2851 | } | |
0e0667b6 JK |
2852 | /* |
2853 | * In case of checkpoint=disable, we must flush quota blocks. | |
2854 | * This can cause NULL exception for node_inode in end_io, since | |
2855 | * put_super already dropped it. | |
2856 | */ | |
2857 | sync_filesystem(sb); | |
0abd675e CY |
2858 | } |
2859 | ||
26b5a079 SY |
2860 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2861 | { | |
2862 | struct quota_info *dqopt = sb_dqopt(sb); | |
2863 | int type; | |
2864 | ||
2865 | for (type = 0; type < MAXQUOTAS; type++) { | |
2866 | if (!dqopt->files[type]) | |
2867 | continue; | |
2868 | f2fs_inode_synced(dqopt->files[type]); | |
2869 | } | |
2870 | } | |
2871 | ||
af033b2a CY |
2872 | static int f2fs_dquot_commit(struct dquot *dquot) |
2873 | { | |
db6ec53b | 2874 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2875 | int ret; |
2876 | ||
e4544b63 | 2877 | f2fs_down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2878 | ret = dquot_commit(dquot); |
2879 | if (ret < 0) | |
db6ec53b | 2880 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
e4544b63 | 2881 | f2fs_up_read(&sbi->quota_sem); |
af033b2a CY |
2882 | return ret; |
2883 | } | |
2884 | ||
2885 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2886 | { | |
db6ec53b | 2887 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2888 | int ret; |
2889 | ||
e4544b63 | 2890 | f2fs_down_read(&sbi->quota_sem); |
af033b2a CY |
2891 | ret = dquot_acquire(dquot); |
2892 | if (ret < 0) | |
db6ec53b | 2893 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
e4544b63 | 2894 | f2fs_up_read(&sbi->quota_sem); |
af033b2a CY |
2895 | return ret; |
2896 | } | |
2897 | ||
2898 | static int f2fs_dquot_release(struct dquot *dquot) | |
2899 | { | |
db6ec53b | 2900 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2901 | int ret = dquot_release(dquot); |
af033b2a | 2902 | |
af033b2a | 2903 | if (ret < 0) |
db6ec53b | 2904 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2905 | return ret; |
2906 | } | |
2907 | ||
2908 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2909 | { | |
2910 | struct super_block *sb = dquot->dq_sb; | |
2911 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2912 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2913 | |
2914 | /* if we are using journalled quota */ | |
2915 | if (is_journalled_quota(sbi)) | |
2916 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2917 | ||
2918 | return ret; | |
2919 | } | |
2920 | ||
2921 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2922 | { | |
db6ec53b | 2923 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2924 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2925 | |
af033b2a | 2926 | if (ret < 0) |
db6ec53b | 2927 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2928 | return ret; |
2929 | } | |
26b5a079 | 2930 | |
94b1e10e | 2931 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2932 | { |
2933 | *projid = F2FS_I(inode)->i_projid; | |
2934 | return 0; | |
2935 | } | |
2936 | ||
0abd675e CY |
2937 | static const struct dquot_operations f2fs_quota_operations = { |
2938 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2939 | .write_dquot = f2fs_dquot_commit, |
2940 | .acquire_dquot = f2fs_dquot_acquire, | |
2941 | .release_dquot = f2fs_dquot_release, | |
2942 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2943 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2944 | .alloc_dquot = dquot_alloc, |
2945 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2946 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2947 | .get_next_id = dquot_get_next_id, |
2948 | }; | |
2949 | ||
2950 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2951 | .quota_on = f2fs_quota_on, | |
2952 | .quota_off = f2fs_quota_off, | |
2953 | .quota_sync = f2fs_quota_sync, | |
2954 | .get_state = dquot_get_state, | |
2955 | .set_info = dquot_set_dqinfo, | |
2956 | .get_dqblk = dquot_get_dqblk, | |
2957 | .set_dqblk = dquot_set_dqblk, | |
2958 | .get_nextdqblk = dquot_get_next_dqblk, | |
2959 | }; | |
2960 | #else | |
10a26878 CY |
2961 | int f2fs_dquot_initialize(struct inode *inode) |
2962 | { | |
2963 | return 0; | |
2964 | } | |
2965 | ||
af033b2a CY |
2966 | int f2fs_quota_sync(struct super_block *sb, int type) |
2967 | { | |
2968 | return 0; | |
2969 | } | |
2970 | ||
4b2414d0 | 2971 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2972 | { |
2973 | } | |
2974 | #endif | |
2975 | ||
f62fc9f9 | 2976 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2977 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2978 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2979 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2980 | .write_inode = f2fs_write_inode, |
b3783873 | 2981 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2982 | .show_options = f2fs_show_options, |
0abd675e CY |
2983 | #ifdef CONFIG_QUOTA |
2984 | .quota_read = f2fs_quota_read, | |
2985 | .quota_write = f2fs_quota_write, | |
2986 | .get_dquots = f2fs_get_dquots, | |
2987 | #endif | |
aff063e2 JK |
2988 | .evict_inode = f2fs_evict_inode, |
2989 | .put_super = f2fs_put_super, | |
2990 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2991 | .freeze_fs = f2fs_freeze, |
2992 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2993 | .statfs = f2fs_statfs, |
696c018c | 2994 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2995 | }; |
2996 | ||
643fa961 | 2997 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2998 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2999 | { | |
3000 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
3001 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
3002 | ctx, len, NULL); | |
3003 | } | |
3004 | ||
3005 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
3006 | void *fs_data) | |
3007 | { | |
b7c409de SY |
3008 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
3009 | ||
3010 | /* | |
3011 | * Encrypting the root directory is not allowed because fsck | |
3012 | * expects lost+found directory to exist and remain unencrypted | |
3013 | * if LOST_FOUND feature is enabled. | |
3014 | * | |
3015 | */ | |
7beb01f7 | 3016 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
3017 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
3018 | return -EPERM; | |
3019 | ||
0b81d077 JK |
3020 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
3021 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
3022 | ctx, len, fs_data, XATTR_CREATE); | |
3023 | } | |
3024 | ||
ac4acb1f | 3025 | static const union fscrypt_policy *f2fs_get_dummy_policy(struct super_block *sb) |
ff62af20 | 3026 | { |
ac4acb1f | 3027 | return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_policy.policy; |
ff62af20 SY |
3028 | } |
3029 | ||
0eee17e3 EB |
3030 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
3031 | { | |
3032 | return true; | |
3033 | } | |
3034 | ||
3035 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
3036 | int *ino_bits_ret, int *lblk_bits_ret) | |
3037 | { | |
3038 | *ino_bits_ret = 8 * sizeof(nid_t); | |
3039 | *lblk_bits_ret = 8 * sizeof(block_t); | |
3040 | } | |
3041 | ||
27aacd28 ST |
3042 | static int f2fs_get_num_devices(struct super_block *sb) |
3043 | { | |
3044 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
3045 | ||
3046 | if (f2fs_is_multi_device(sbi)) | |
3047 | return sbi->s_ndevs; | |
3048 | return 1; | |
3049 | } | |
3050 | ||
3051 | static void f2fs_get_devices(struct super_block *sb, | |
3052 | struct request_queue **devs) | |
3053 | { | |
3054 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
3055 | int i; | |
3056 | ||
3057 | for (i = 0; i < sbi->s_ndevs; i++) | |
3058 | devs[i] = bdev_get_queue(FDEV(i).bdev); | |
3059 | } | |
3060 | ||
6f69f0ed | 3061 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
3062 | .key_prefix = "f2fs:", |
3063 | .get_context = f2fs_get_context, | |
3064 | .set_context = f2fs_set_context, | |
ac4acb1f | 3065 | .get_dummy_policy = f2fs_get_dummy_policy, |
0eee17e3 | 3066 | .empty_dir = f2fs_empty_dir, |
0eee17e3 EB |
3067 | .has_stable_inodes = f2fs_has_stable_inodes, |
3068 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
27aacd28 ST |
3069 | .get_num_devices = f2fs_get_num_devices, |
3070 | .get_devices = f2fs_get_devices, | |
0b81d077 | 3071 | }; |
0b81d077 JK |
3072 | #endif |
3073 | ||
aff063e2 JK |
3074 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
3075 | u64 ino, u32 generation) | |
3076 | { | |
3077 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
3078 | struct inode *inode; | |
3079 | ||
4d57b86d | 3080 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 3081 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
3082 | |
3083 | /* | |
3084 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
3085 | * However f2fs_iget currently does appropriate checks to handle stale | |
3086 | * inodes so everything is OK. | |
3087 | */ | |
3088 | inode = f2fs_iget(sb, ino); | |
3089 | if (IS_ERR(inode)) | |
3090 | return ERR_CAST(inode); | |
6bacf52f | 3091 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
3092 | /* we didn't find the right inode.. */ |
3093 | iput(inode); | |
3094 | return ERR_PTR(-ESTALE); | |
3095 | } | |
3096 | return inode; | |
3097 | } | |
3098 | ||
3099 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
3100 | int fh_len, int fh_type) | |
3101 | { | |
3102 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
3103 | f2fs_nfs_get_inode); | |
3104 | } | |
3105 | ||
3106 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
3107 | int fh_len, int fh_type) | |
3108 | { | |
3109 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
3110 | f2fs_nfs_get_inode); | |
3111 | } | |
3112 | ||
3113 | static const struct export_operations f2fs_export_ops = { | |
3114 | .fh_to_dentry = f2fs_fh_to_dentry, | |
3115 | .fh_to_parent = f2fs_fh_to_parent, | |
3116 | .get_parent = f2fs_get_parent, | |
3117 | }; | |
3118 | ||
6d1451bf | 3119 | loff_t max_file_blocks(struct inode *inode) |
aff063e2 | 3120 | { |
7a2af766 | 3121 | loff_t result = 0; |
6d1451bf | 3122 | loff_t leaf_count; |
aff063e2 | 3123 | |
7a2af766 CY |
3124 | /* |
3125 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 3126 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
3127 | * space in inode.i_addr, it will be more safe to reassign |
3128 | * result as zero. | |
3129 | */ | |
3130 | ||
6d1451bf CX |
3131 | if (inode && f2fs_compressed_file(inode)) |
3132 | leaf_count = ADDRS_PER_BLOCK(inode); | |
3133 | else | |
3134 | leaf_count = DEF_ADDRS_PER_BLOCK; | |
3135 | ||
aff063e2 JK |
3136 | /* two direct node blocks */ |
3137 | result += (leaf_count * 2); | |
3138 | ||
3139 | /* two indirect node blocks */ | |
3140 | leaf_count *= NIDS_PER_BLOCK; | |
3141 | result += (leaf_count * 2); | |
3142 | ||
3143 | /* one double indirect node block */ | |
3144 | leaf_count *= NIDS_PER_BLOCK; | |
3145 | result += leaf_count; | |
3146 | ||
aff063e2 JK |
3147 | return result; |
3148 | } | |
3149 | ||
fd694733 JK |
3150 | static int __f2fs_commit_super(struct buffer_head *bh, |
3151 | struct f2fs_super_block *super) | |
3152 | { | |
3153 | lock_buffer(bh); | |
3154 | if (super) | |
3155 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
3156 | set_buffer_dirty(bh); |
3157 | unlock_buffer(bh); | |
3158 | ||
3159 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 3160 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
3161 | } |
3162 | ||
df728b0f | 3163 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 3164 | struct buffer_head *bh) |
9a59b62f | 3165 | { |
fd694733 JK |
3166 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
3167 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 3168 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
3169 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
3170 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
3171 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
3172 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
3173 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
3174 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
3175 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
3176 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
3177 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
3178 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
3179 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
3180 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
3181 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
3182 | u64 main_end_blkaddr = main_blkaddr + |
3183 | (segment_count_main << log_blocks_per_seg); | |
3184 | u64 seg_end_blkaddr = segment0_blkaddr + | |
3185 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
3186 | |
3187 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
3188 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
3189 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
3190 | return true; |
3191 | } | |
3192 | ||
3193 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
3194 | sit_blkaddr) { | |
dcbb4c10 JP |
3195 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
3196 | cp_blkaddr, sit_blkaddr, | |
3197 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
3198 | return true; |
3199 | } | |
3200 | ||
3201 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
3202 | nat_blkaddr) { | |
dcbb4c10 JP |
3203 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
3204 | sit_blkaddr, nat_blkaddr, | |
3205 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
3206 | return true; |
3207 | } | |
3208 | ||
3209 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
3210 | ssa_blkaddr) { | |
dcbb4c10 JP |
3211 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
3212 | nat_blkaddr, ssa_blkaddr, | |
3213 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
3214 | return true; |
3215 | } | |
3216 | ||
3217 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
3218 | main_blkaddr) { | |
dcbb4c10 JP |
3219 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
3220 | ssa_blkaddr, main_blkaddr, | |
3221 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
3222 | return true; |
3223 | } | |
3224 | ||
fd694733 | 3225 | if (main_end_blkaddr > seg_end_blkaddr) { |
d89f5891 WX |
3226 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%llu) block(%u)", |
3227 | main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 3228 | segment_count_main << log_blocks_per_seg); |
9a59b62f | 3229 | return true; |
fd694733 JK |
3230 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
3231 | int err = 0; | |
3232 | char *res; | |
3233 | ||
3234 | /* fix in-memory information all the time */ | |
3235 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
3236 | segment0_blkaddr) >> log_blocks_per_seg); | |
3237 | ||
3238 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 3239 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
3240 | res = "internally"; |
3241 | } else { | |
3242 | err = __f2fs_commit_super(bh, NULL); | |
3243 | res = err ? "failed" : "done"; | |
3244 | } | |
d89f5891 WX |
3245 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)", |
3246 | res, main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 3247 | segment_count_main << log_blocks_per_seg); |
fd694733 JK |
3248 | if (err) |
3249 | return true; | |
9a59b62f | 3250 | } |
9a59b62f CY |
3251 | return false; |
3252 | } | |
3253 | ||
df728b0f | 3254 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 3255 | struct buffer_head *bh) |
aff063e2 | 3256 | { |
f99ba9ad | 3257 | block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main; |
0cfe75c5 | 3258 | block_t total_sections, blocks_per_seg; |
fd694733 JK |
3259 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
3260 | (bh->b_data + F2FS_SUPER_OFFSET); | |
d440c52d JZ |
3261 | size_t crc_offset = 0; |
3262 | __u32 crc = 0; | |
3263 | ||
38fb6d0e IZ |
3264 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
3265 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
3266 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
3267 | return -EINVAL; | |
3268 | } | |
3269 | ||
d440c52d | 3270 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 3271 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
3272 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
3273 | if (crc_offset != | |
3274 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
3275 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
3276 | crc_offset); | |
38fb6d0e | 3277 | return -EFSCORRUPTED; |
d440c52d JZ |
3278 | } |
3279 | crc = le32_to_cpu(raw_super->crc); | |
3280 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 3281 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 3282 | return -EFSCORRUPTED; |
d440c52d JZ |
3283 | } |
3284 | } | |
aff063e2 | 3285 | |
aff063e2 | 3286 | /* Currently, support only 4KB block size */ |
e584bbe8 CY |
3287 | if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) { |
3288 | f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u", | |
3289 | le32_to_cpu(raw_super->log_blocksize), | |
3290 | F2FS_BLKSIZE_BITS); | |
38fb6d0e | 3291 | return -EFSCORRUPTED; |
a07ef784 | 3292 | } |
5c9b4692 | 3293 | |
9a59b62f CY |
3294 | /* check log blocks per segment */ |
3295 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
3296 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
3297 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 3298 | return -EFSCORRUPTED; |
9a59b62f CY |
3299 | } |
3300 | ||
55cf9cb6 CY |
3301 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
3302 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
3303 | F2FS_MAX_LOG_SECTOR_SIZE || | |
3304 | le32_to_cpu(raw_super->log_sectorsize) < | |
3305 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
3306 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
3307 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 3308 | return -EFSCORRUPTED; |
a07ef784 | 3309 | } |
55cf9cb6 CY |
3310 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
3311 | le32_to_cpu(raw_super->log_sectorsize) != | |
3312 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
3313 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
3314 | le32_to_cpu(raw_super->log_sectors_per_block), | |
3315 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 3316 | return -EFSCORRUPTED; |
a07ef784 | 3317 | } |
9a59b62f | 3318 | |
0cfe75c5 | 3319 | segment_count = le32_to_cpu(raw_super->segment_count); |
f99ba9ad | 3320 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); |
0cfe75c5 JK |
3321 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); |
3322 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3323 | total_sections = le32_to_cpu(raw_super->section_count); | |
3324 | ||
3325 | /* blocks_per_seg should be 512, given the above check */ | |
3326 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
3327 | ||
3328 | if (segment_count > F2FS_MAX_SEGMENT || | |
3329 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 3330 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 3331 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3332 | } |
3333 | ||
f99ba9ad | 3334 | if (total_sections > segment_count_main || total_sections < 1 || |
0cfe75c5 | 3335 | segs_per_sec > segment_count || !segs_per_sec) { |
dcbb4c10 JP |
3336 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
3337 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 3338 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3339 | } |
3340 | ||
3a22e9ac CY |
3341 | if (segment_count_main != total_sections * segs_per_sec) { |
3342 | f2fs_info(sbi, "Invalid segment/section count (%u != %u * %u)", | |
3343 | segment_count_main, total_sections, segs_per_sec); | |
3344 | return -EFSCORRUPTED; | |
3345 | } | |
3346 | ||
0cfe75c5 | 3347 | if ((segment_count / segs_per_sec) < total_sections) { |
dcbb4c10 JP |
3348 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
3349 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 3350 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3351 | } |
3352 | ||
88960068 | 3353 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
3354 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
3355 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 3356 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3357 | } |
3358 | ||
9f701f6c QS |
3359 | if (RDEV(0).path[0]) { |
3360 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
3361 | int i = 1; | |
3362 | ||
3363 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
3364 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
3365 | i++; | |
3366 | } | |
3367 | if (segment_count != dev_seg_count) { | |
3368 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
3369 | segment_count, dev_seg_count); | |
3370 | return -EFSCORRUPTED; | |
3371 | } | |
07eb1d69 CY |
3372 | } else { |
3373 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_BLKZONED) && | |
3374 | !bdev_is_zoned(sbi->sb->s_bdev)) { | |
3375 | f2fs_info(sbi, "Zoned block device path is missing"); | |
3376 | return -EFSCORRUPTED; | |
3377 | } | |
9f701f6c QS |
3378 | } |
3379 | ||
42bf546c | 3380 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
3381 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
3382 | secs_per_zone, total_sections); | |
38fb6d0e | 3383 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3384 | } |
3385 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
3386 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
3387 | (le32_to_cpu(raw_super->extension_count) + | |
3388 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
3389 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
3390 | le32_to_cpu(raw_super->extension_count), | |
3391 | raw_super->hot_ext_count, | |
3392 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 3393 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3394 | } |
3395 | ||
65ddf656 CY |
3396 | if (le32_to_cpu(raw_super->cp_payload) >= |
3397 | (blocks_per_seg - F2FS_CP_PACKS - | |
3398 | NR_CURSEG_PERSIST_TYPE)) { | |
3399 | f2fs_info(sbi, "Insane cp_payload (%u >= %u)", | |
dcbb4c10 | 3400 | le32_to_cpu(raw_super->cp_payload), |
65ddf656 CY |
3401 | blocks_per_seg - F2FS_CP_PACKS - |
3402 | NR_CURSEG_PERSIST_TYPE); | |
38fb6d0e | 3403 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3404 | } |
3405 | ||
9a59b62f CY |
3406 | /* check reserved ino info */ |
3407 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
3408 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
3409 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
3410 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
3411 | le32_to_cpu(raw_super->node_ino), | |
3412 | le32_to_cpu(raw_super->meta_ino), | |
3413 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 3414 | return -EFSCORRUPTED; |
9a59b62f CY |
3415 | } |
3416 | ||
3417 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 3418 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 3419 | return -EFSCORRUPTED; |
9a59b62f | 3420 | |
aff063e2 JK |
3421 | return 0; |
3422 | } | |
3423 | ||
4d57b86d | 3424 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
3425 | { |
3426 | unsigned int total, fsmeta; | |
577e3495 JK |
3427 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
3428 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 3429 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 3430 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
3431 | unsigned int sit_segs, nat_segs; |
3432 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
3433 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 3434 | unsigned int segment_count_main; |
e494c2f9 | 3435 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
3436 | block_t user_block_count, valid_user_blocks; |
3437 | block_t avail_node_count, valid_node_count; | |
65ddf656 | 3438 | unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks; |
042be0f8 | 3439 | int i, j; |
aff063e2 JK |
3440 | |
3441 | total = le32_to_cpu(raw_super->segment_count); | |
3442 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
3443 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
3444 | fsmeta += sit_segs; | |
3445 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
3446 | fsmeta += nat_segs; | |
aff063e2 JK |
3447 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
3448 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
3449 | ||
6bacf52f | 3450 | if (unlikely(fsmeta >= total)) |
aff063e2 | 3451 | return 1; |
577e3495 | 3452 | |
2040fce8 JK |
3453 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
3454 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
3455 | ||
a7d9fe3c JK |
3456 | if (!f2fs_sb_has_readonly(sbi) && |
3457 | unlikely(fsmeta < F2FS_MIN_META_SEGMENTS || | |
2040fce8 | 3458 | ovp_segments == 0 || reserved_segments == 0)) { |
dcbb4c10 | 3459 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
3460 | return 1; |
3461 | } | |
9dc956b2 | 3462 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
a7d9fe3c JK |
3463 | segment_count_main = le32_to_cpu(raw_super->segment_count_main) + |
3464 | (f2fs_sb_has_readonly(sbi) ? 1 : 0); | |
9dc956b2 CY |
3465 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); |
3466 | if (!user_block_count || user_block_count >= | |
3467 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
3468 | f2fs_err(sbi, "Wrong user_block_count: %u", |
3469 | user_block_count); | |
9dc956b2 CY |
3470 | return 1; |
3471 | } | |
3472 | ||
7b63f72f CY |
3473 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
3474 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
3475 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
3476 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
3477 | return 1; |
3478 | } | |
3479 | ||
3480 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 3481 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 3482 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
3483 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
3484 | valid_node_count, avail_node_count); | |
7b63f72f CY |
3485 | return 1; |
3486 | } | |
3487 | ||
15d3042a JQ |
3488 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
3489 | blocks_per_seg = sbi->blocks_per_seg; | |
3490 | ||
3491 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
3492 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
3493 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
3494 | return 1; | |
a7d9fe3c JK |
3495 | |
3496 | if (f2fs_sb_has_readonly(sbi)) | |
3497 | goto check_data; | |
3498 | ||
042be0f8 CY |
3499 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
3500 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
3501 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
3502 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
3503 | i, j, | |
3504 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3505 | return 1; |
3506 | } | |
3507 | } | |
15d3042a | 3508 | } |
a7d9fe3c | 3509 | check_data: |
15d3042a JQ |
3510 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { |
3511 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
3512 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
3513 | return 1; | |
a7d9fe3c JK |
3514 | |
3515 | if (f2fs_sb_has_readonly(sbi)) | |
3516 | goto skip_cross; | |
3517 | ||
042be0f8 CY |
3518 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
3519 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
3520 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
3521 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
3522 | i, j, | |
3523 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
3524 | return 1; |
3525 | } | |
3526 | } | |
3527 | } | |
3528 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 3529 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
3530 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
3531 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 3532 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
3533 | i, j, |
3534 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3535 | return 1; |
3536 | } | |
3537 | } | |
15d3042a | 3538 | } |
a7d9fe3c | 3539 | skip_cross: |
c77ec61c CY |
3540 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
3541 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
3542 | |
3543 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
3544 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
3545 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
3546 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
3547 | return 1; |
3548 | } | |
e494c2f9 CY |
3549 | |
3550 | cp_pack_start_sum = __start_sum_addr(sbi); | |
3551 | cp_payload = __cp_payload(sbi); | |
3552 | if (cp_pack_start_sum < cp_payload + 1 || | |
3553 | cp_pack_start_sum > blocks_per_seg - 1 - | |
d0b9e42a | 3554 | NR_CURSEG_PERSIST_TYPE) { |
dcbb4c10 JP |
3555 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
3556 | cp_pack_start_sum); | |
e494c2f9 CY |
3557 | return 1; |
3558 | } | |
c77ec61c | 3559 | |
5dae2d39 CY |
3560 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
3561 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
3562 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
3563 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
3564 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 3565 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
3566 | return 1; |
3567 | } | |
3568 | ||
65ddf656 CY |
3569 | nat_blocks = nat_segs << log_blocks_per_seg; |
3570 | nat_bits_bytes = nat_blocks / BITS_PER_BYTE; | |
3571 | nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8); | |
3572 | if (__is_set_ckpt_flags(ckpt, CP_NAT_BITS_FLAG) && | |
3573 | (cp_payload + F2FS_CP_PACKS + | |
3574 | NR_CURSEG_PERSIST_TYPE + nat_bits_blocks >= blocks_per_seg)) { | |
3575 | f2fs_warn(sbi, "Insane cp_payload: %u, nat_bits_blocks: %u)", | |
3576 | cp_payload, nat_bits_blocks); | |
ca98d721 | 3577 | return 1; |
65ddf656 CY |
3578 | } |
3579 | ||
1e968fdf | 3580 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 3581 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
3582 | return 1; |
3583 | } | |
aff063e2 JK |
3584 | return 0; |
3585 | } | |
3586 | ||
3587 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
3588 | { | |
3589 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 3590 | int i; |
aff063e2 JK |
3591 | |
3592 | sbi->log_sectors_per_block = | |
3593 | le32_to_cpu(raw_super->log_sectors_per_block); | |
3594 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
3595 | sbi->blocksize = 1 << sbi->log_blocksize; | |
3596 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
3597 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
3598 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
3599 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3600 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
3601 | sbi->total_node_count = | |
3602 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
3603 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
b9ec1094 YL |
3604 | F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino); |
3605 | F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino); | |
3606 | F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 3607 | sbi->cur_victim_sec = NULL_SECNO; |
c86868bb | 3608 | sbi->gc_mode = GC_NORMAL; |
e3080b01 CY |
3609 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
3610 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 3611 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 3612 | sbi->migration_granularity = sbi->segs_per_sec; |
0f6b56ec | 3613 | sbi->seq_file_ra_mul = MIN_RA_MUL; |
6691d940 DJ |
3614 | sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE; |
3615 | sbi->max_fragment_hole = DEF_FRAGMENT_SIZE; | |
325163e9 | 3616 | spin_lock_init(&sbi->gc_urgent_high_lock); |
f8e2f32b | 3617 | atomic64_set(&sbi->current_atomic_write, 0); |
aff063e2 | 3618 | |
ab9fa662 | 3619 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 3620 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 3621 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
3622 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
3623 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 3624 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
3625 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
3626 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 3627 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 3628 | |
35782b23 JK |
3629 | for (i = 0; i < NR_COUNT_TYPE; i++) |
3630 | atomic_set(&sbi->nr_pages[i], 0); | |
3631 | ||
c29fd0c0 CY |
3632 | for (i = 0; i < META; i++) |
3633 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 3634 | |
2658e50d JK |
3635 | INIT_LIST_HEAD(&sbi->s_list); |
3636 | mutex_init(&sbi->umount_mutex); | |
e4544b63 | 3637 | init_f2fs_rwsem(&sbi->io_order_lock); |
aaec2b1d | 3638 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
3639 | |
3640 | sbi->dirty_device = 0; | |
3641 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 3642 | |
e4544b63 TM |
3643 | init_f2fs_rwsem(&sbi->sb_lock); |
3644 | init_f2fs_rwsem(&sbi->pin_sem); | |
aff063e2 JK |
3645 | } |
3646 | ||
523be8a6 JK |
3647 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
3648 | { | |
35782b23 | 3649 | int err; |
41382ec4 | 3650 | |
513c5f37 JK |
3651 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
3652 | if (err) | |
3653 | return err; | |
3654 | ||
47c8ebcc JK |
3655 | err = percpu_counter_init(&sbi->rf_node_block_count, 0, GFP_KERNEL); |
3656 | if (err) | |
3657 | goto err_valid_block; | |
3658 | ||
4a70e255 | 3659 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 3660 | GFP_KERNEL); |
4a70e255 | 3661 | if (err) |
47c8ebcc JK |
3662 | goto err_node_block; |
3663 | return 0; | |
4a70e255 | 3664 | |
47c8ebcc JK |
3665 | err_node_block: |
3666 | percpu_counter_destroy(&sbi->rf_node_block_count); | |
3667 | err_valid_block: | |
3668 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
4a70e255 | 3669 | return err; |
523be8a6 JK |
3670 | } |
3671 | ||
178053e2 | 3672 | #ifdef CONFIG_BLK_DEV_ZONED |
de881df9 AR |
3673 | |
3674 | struct f2fs_report_zones_args { | |
b771aadc | 3675 | struct f2fs_sb_info *sbi; |
de881df9 | 3676 | struct f2fs_dev_info *dev; |
de881df9 AR |
3677 | }; |
3678 | ||
d4100351 | 3679 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
de881df9 | 3680 | void *data) |
d4100351 | 3681 | { |
de881df9 | 3682 | struct f2fs_report_zones_args *rz_args = data; |
b771aadc JK |
3683 | block_t unusable_blocks = (zone->len - zone->capacity) >> |
3684 | F2FS_LOG_SECTORS_PER_BLOCK; | |
de881df9 AR |
3685 | |
3686 | if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) | |
3687 | return 0; | |
3688 | ||
3689 | set_bit(idx, rz_args->dev->blkz_seq); | |
b771aadc JK |
3690 | if (!rz_args->sbi->unusable_blocks_per_sec) { |
3691 | rz_args->sbi->unusable_blocks_per_sec = unusable_blocks; | |
3692 | return 0; | |
3693 | } | |
3694 | if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) { | |
3695 | f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n"); | |
3696 | return -EINVAL; | |
3697 | } | |
d4100351 CH |
3698 | return 0; |
3699 | } | |
3700 | ||
3c62be17 | 3701 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3702 | { |
3c62be17 | 3703 | struct block_device *bdev = FDEV(devi).bdev; |
a782483c | 3704 | sector_t nr_sectors = bdev_nr_sectors(bdev); |
de881df9 | 3705 | struct f2fs_report_zones_args rep_zone_arg; |
d46db459 | 3706 | u64 zone_sectors; |
d4100351 | 3707 | int ret; |
178053e2 | 3708 | |
7beb01f7 | 3709 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3710 | return 0; |
3711 | ||
d46db459 | 3712 | zone_sectors = bdev_zone_sectors(bdev); |
7f262f73 LC |
3713 | if (!is_power_of_2(zone_sectors)) { |
3714 | f2fs_err(sbi, "F2FS does not support non power of 2 zone sizes\n"); | |
3715 | return -EINVAL; | |
3716 | } | |
d46db459 | 3717 | |
3c62be17 | 3718 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
d46db459 | 3719 | SECTOR_TO_BLOCK(zone_sectors)) |
3c62be17 | 3720 | return -EINVAL; |
d46db459 | 3721 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(zone_sectors); |
3c62be17 JK |
3722 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3723 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3724 | return -EINVAL; | |
178053e2 | 3725 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3726 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3727 | sbi->log_blocks_per_blkz; | |
d46db459 | 3728 | if (nr_sectors & (zone_sectors - 1)) |
3c62be17 | 3729 | FDEV(devi).nr_blkz++; |
178053e2 | 3730 | |
0b6d4ca0 | 3731 | FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, |
95175daf DLM |
3732 | BITS_TO_LONGS(FDEV(devi).nr_blkz) |
3733 | * sizeof(unsigned long), | |
3734 | GFP_KERNEL); | |
3735 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3736 | return -ENOMEM; |
3737 | ||
b771aadc | 3738 | rep_zone_arg.sbi = sbi; |
de881df9 | 3739 | rep_zone_arg.dev = &FDEV(devi); |
de881df9 | 3740 | |
d4100351 | 3741 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
de881df9 | 3742 | &rep_zone_arg); |
d4100351 CH |
3743 | if (ret < 0) |
3744 | return ret; | |
d4100351 | 3745 | return 0; |
178053e2 DLM |
3746 | } |
3747 | #endif | |
3748 | ||
9076a75f GZ |
3749 | /* |
3750 | * Read f2fs raw super block. | |
2b39e907 SL |
3751 | * Because we have two copies of super block, so read both of them |
3752 | * to get the first valid one. If any one of them is broken, we pass | |
3753 | * them recovery flag back to the caller. | |
9076a75f | 3754 | */ |
df728b0f | 3755 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3756 | struct f2fs_super_block **raw_super, |
e8240f65 | 3757 | int *valid_super_block, int *recovery) |
14d7e9de | 3758 | { |
df728b0f | 3759 | struct super_block *sb = sbi->sb; |
2b39e907 | 3760 | int block; |
e8240f65 | 3761 | struct buffer_head *bh; |
fd694733 | 3762 | struct f2fs_super_block *super; |
da554e48 | 3763 | int err = 0; |
14d7e9de | 3764 | |
b39f0de2 YH |
3765 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3766 | if (!super) | |
3767 | return -ENOMEM; | |
2b39e907 SL |
3768 | |
3769 | for (block = 0; block < 2; block++) { | |
3770 | bh = sb_bread(sb, block); | |
3771 | if (!bh) { | |
dcbb4c10 JP |
3772 | f2fs_err(sbi, "Unable to read %dth superblock", |
3773 | block + 1); | |
2b39e907 | 3774 | err = -EIO; |
ed352042 | 3775 | *recovery = 1; |
2b39e907 SL |
3776 | continue; |
3777 | } | |
14d7e9de | 3778 | |
2b39e907 | 3779 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3780 | err = sanity_check_raw_super(sbi, bh); |
3781 | if (err) { | |
dcbb4c10 JP |
3782 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3783 | block + 1); | |
2b39e907 | 3784 | brelse(bh); |
ed352042 | 3785 | *recovery = 1; |
2b39e907 SL |
3786 | continue; |
3787 | } | |
14d7e9de | 3788 | |
2b39e907 | 3789 | if (!*raw_super) { |
fd694733 JK |
3790 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3791 | sizeof(*super)); | |
2b39e907 SL |
3792 | *valid_super_block = block; |
3793 | *raw_super = super; | |
3794 | } | |
3795 | brelse(bh); | |
da554e48 | 3796 | } |
3797 | ||
da554e48 | 3798 | /* No valid superblock */ |
2b39e907 | 3799 | if (!*raw_super) |
742532d1 | 3800 | kfree(super); |
2b39e907 SL |
3801 | else |
3802 | err = 0; | |
da554e48 | 3803 | |
2b39e907 | 3804 | return err; |
14d7e9de | 3805 | } |
3806 | ||
fd694733 | 3807 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3808 | { |
5d909cdb | 3809 | struct buffer_head *bh; |
d440c52d | 3810 | __u32 crc = 0; |
26d815ad JK |
3811 | int err; |
3812 | ||
df728b0f JK |
3813 | if ((recover && f2fs_readonly(sbi->sb)) || |
3814 | bdev_read_only(sbi->sb->s_bdev)) { | |
3815 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3816 | return -EROFS; |
df728b0f | 3817 | } |
f2353d7b | 3818 | |
d440c52d | 3819 | /* we should update superblock crc here */ |
7beb01f7 | 3820 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3821 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3822 | offsetof(struct f2fs_super_block, crc)); | |
3823 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3824 | } | |
3825 | ||
fd694733 | 3826 | /* write back-up superblock first */ |
0964fc1a | 3827 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3828 | if (!bh) |
3829 | return -EIO; | |
fd694733 | 3830 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3831 | brelse(bh); |
c5bda1c8 CY |
3832 | |
3833 | /* if we are in recovery path, skip writing valid superblock */ | |
3834 | if (recover || err) | |
5d909cdb | 3835 | return err; |
26d815ad JK |
3836 | |
3837 | /* write current valid superblock */ | |
0964fc1a | 3838 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3839 | if (!bh) |
3840 | return -EIO; | |
3841 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3842 | brelse(bh); | |
3843 | return err; | |
26d815ad JK |
3844 | } |
3845 | ||
3c62be17 JK |
3846 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3847 | { | |
3848 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3849 | unsigned int max_devices = MAX_DEVICES; |
71f2c820 | 3850 | unsigned int logical_blksize; |
3c62be17 JK |
3851 | int i; |
3852 | ||
7bb3a371 MS |
3853 | /* Initialize single device information */ |
3854 | if (!RDEV(0).path[0]) { | |
3855 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3856 | return 0; |
7bb3a371 MS |
3857 | max_devices = 1; |
3858 | } | |
3c62be17 | 3859 | |
7bb3a371 MS |
3860 | /* |
3861 | * Initialize multiple devices information, or single | |
3862 | * zoned block device information. | |
3863 | */ | |
026f0507 KC |
3864 | sbi->devs = f2fs_kzalloc(sbi, |
3865 | array_size(max_devices, | |
3866 | sizeof(struct f2fs_dev_info)), | |
3867 | GFP_KERNEL); | |
7bb3a371 MS |
3868 | if (!sbi->devs) |
3869 | return -ENOMEM; | |
3c62be17 | 3870 | |
71f2c820 CY |
3871 | logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev); |
3872 | sbi->aligned_blksize = true; | |
3873 | ||
7bb3a371 | 3874 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3875 | |
7bb3a371 MS |
3876 | if (i > 0 && !RDEV(i).path[0]) |
3877 | break; | |
3878 | ||
3879 | if (max_devices == 1) { | |
3880 | /* Single zoned block device mount */ | |
3881 | FDEV(0).bdev = | |
3882 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3883 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3884 | } else { |
3885 | /* Multi-device mount */ | |
3886 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3887 | FDEV(i).total_segments = | |
3888 | le32_to_cpu(RDEV(i).total_segments); | |
3889 | if (i == 0) { | |
3890 | FDEV(i).start_blk = 0; | |
3891 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3892 | (FDEV(i).total_segments << | |
3893 | sbi->log_blocks_per_seg) - 1 + | |
3894 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3895 | } else { | |
3896 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3897 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3898 | (FDEV(i).total_segments << | |
3899 | sbi->log_blocks_per_seg) - 1; | |
3900 | } | |
3901 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3902 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3903 | } |
3c62be17 JK |
3904 | if (IS_ERR(FDEV(i).bdev)) |
3905 | return PTR_ERR(FDEV(i).bdev); | |
3906 | ||
3907 | /* to release errored devices */ | |
3908 | sbi->s_ndevs = i + 1; | |
3909 | ||
71f2c820 CY |
3910 | if (logical_blksize != bdev_logical_block_size(FDEV(i).bdev)) |
3911 | sbi->aligned_blksize = false; | |
3912 | ||
3c62be17 JK |
3913 | #ifdef CONFIG_BLK_DEV_ZONED |
3914 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3915 | !f2fs_sb_has_blkzoned(sbi)) { |
833dcd35 | 3916 | f2fs_err(sbi, "Zoned block device feature not enabled"); |
3c62be17 JK |
3917 | return -EINVAL; |
3918 | } | |
3919 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3920 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3921 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3922 | return -EINVAL; |
3923 | } | |
7bb3a371 MS |
3924 | if (max_devices == 1) |
3925 | break; | |
dcbb4c10 JP |
3926 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3927 | i, FDEV(i).path, | |
3928 | FDEV(i).total_segments, | |
3929 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3930 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3931 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3932 | continue; |
3933 | } | |
3934 | #endif | |
dcbb4c10 JP |
3935 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3936 | i, FDEV(i).path, | |
3937 | FDEV(i).total_segments, | |
3938 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3939 | } | |
3940 | f2fs_info(sbi, | |
3941 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3942 | return 0; |
3943 | } | |
3944 | ||
5aba5430 DR |
3945 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3946 | { | |
5298d4bf | 3947 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 3948 | if (f2fs_sb_has_casefold(sbi) && !sbi->sb->s_encoding) { |
5aba5430 DR |
3949 | const struct f2fs_sb_encodings *encoding_info; |
3950 | struct unicode_map *encoding; | |
3951 | __u16 encoding_flags; | |
3952 | ||
86e80575 CH |
3953 | encoding_info = f2fs_sb_read_encoding(sbi->raw_super); |
3954 | if (!encoding_info) { | |
5aba5430 DR |
3955 | f2fs_err(sbi, |
3956 | "Encoding requested by superblock is unknown"); | |
3957 | return -EINVAL; | |
3958 | } | |
3959 | ||
86e80575 | 3960 | encoding_flags = le16_to_cpu(sbi->raw_super->s_encoding_flags); |
5aba5430 DR |
3961 | encoding = utf8_load(encoding_info->version); |
3962 | if (IS_ERR(encoding)) { | |
3963 | f2fs_err(sbi, | |
49bd03cc | 3964 | "can't mount with superblock charset: %s-%u.%u.%u " |
5aba5430 | 3965 | "not supported by the kernel. flags: 0x%x.", |
49bd03cc CH |
3966 | encoding_info->name, |
3967 | unicode_major(encoding_info->version), | |
3968 | unicode_minor(encoding_info->version), | |
3969 | unicode_rev(encoding_info->version), | |
5aba5430 DR |
3970 | encoding_flags); |
3971 | return PTR_ERR(encoding); | |
3972 | } | |
3973 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
49bd03cc CH |
3974 | "%s-%u.%u.%u with flags 0x%hx", encoding_info->name, |
3975 | unicode_major(encoding_info->version), | |
3976 | unicode_minor(encoding_info->version), | |
3977 | unicode_rev(encoding_info->version), | |
3978 | encoding_flags); | |
5aba5430 | 3979 | |
eca4873e DR |
3980 | sbi->sb->s_encoding = encoding; |
3981 | sbi->sb->s_encoding_flags = encoding_flags; | |
5aba5430 DR |
3982 | } |
3983 | #else | |
3984 | if (f2fs_sb_has_casefold(sbi)) { | |
3985 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3986 | return -EINVAL; | |
3987 | } | |
3988 | #endif | |
3989 | return 0; | |
3990 | } | |
3991 | ||
84b89e5d JK |
3992 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3993 | { | |
3994 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3995 | ||
3996 | /* adjust parameters according to the volume size */ | |
3997 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3998 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
4f993264 CY |
3999 | if (f2fs_block_unit_discard(sbi)) |
4000 | sm_i->dcc_info->discard_granularity = 1; | |
1018a546 CY |
4001 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE | |
4002 | 1 << F2FS_IPU_HONOR_OPU_WRITE; | |
84b89e5d | 4003 | } |
4cac90d5 CY |
4004 | |
4005 | sbi->readdir_ra = 1; | |
84b89e5d JK |
4006 | } |
4007 | ||
aff063e2 JK |
4008 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
4009 | { | |
4010 | struct f2fs_sb_info *sbi; | |
da554e48 | 4011 | struct f2fs_super_block *raw_super; |
aff063e2 | 4012 | struct inode *root; |
99e3e858 | 4013 | int err; |
aa2c8c43 | 4014 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 4015 | char *options = NULL; |
e8240f65 | 4016 | int recovery, i, valid_super_block; |
8f1dbbbb | 4017 | struct curseg_info *seg_i; |
aa2c8c43 | 4018 | int retry_cnt = 1; |
aff063e2 | 4019 | |
ed2e621a | 4020 | try_onemore: |
da554e48 | 4021 | err = -EINVAL; |
4022 | raw_super = NULL; | |
e8240f65 | 4023 | valid_super_block = -1; |
da554e48 | 4024 | recovery = 0; |
4025 | ||
aff063e2 JK |
4026 | /* allocate memory for f2fs-specific super block info */ |
4027 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
4028 | if (!sbi) | |
4029 | return -ENOMEM; | |
4030 | ||
df728b0f JK |
4031 | sbi->sb = sb; |
4032 | ||
43b6573b KM |
4033 | /* Load the checksum driver */ |
4034 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
4035 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 4036 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
4037 | err = PTR_ERR(sbi->s_chksum_driver); |
4038 | sbi->s_chksum_driver = NULL; | |
4039 | goto free_sbi; | |
4040 | } | |
4041 | ||
ff9234ad | 4042 | /* set a block size */ |
6bacf52f | 4043 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 4044 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 4045 | goto free_sbi; |
a07ef784 | 4046 | } |
aff063e2 | 4047 | |
df728b0f | 4048 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 4049 | &recovery); |
9076a75f GZ |
4050 | if (err) |
4051 | goto free_sbi; | |
4052 | ||
5fb08372 | 4053 | sb->s_fs_info = sbi; |
52763a4b JK |
4054 | sbi->raw_super = raw_super; |
4055 | ||
704956ec | 4056 | /* precompute checksum seed for metadata */ |
7beb01f7 | 4057 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
4058 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
4059 | sizeof(raw_super->uuid)); | |
4060 | ||
498c5e9f | 4061 | default_options(sbi); |
aff063e2 | 4062 | /* parse mount options */ |
dabc4a5c JK |
4063 | options = kstrdup((const char *)data, GFP_KERNEL); |
4064 | if (data && !options) { | |
4065 | err = -ENOMEM; | |
aff063e2 | 4066 | goto free_sb_buf; |
dabc4a5c JK |
4067 | } |
4068 | ||
ed318a6c | 4069 | err = parse_options(sb, options, false); |
dabc4a5c JK |
4070 | if (err) |
4071 | goto free_options; | |
aff063e2 | 4072 | |
6d1451bf | 4073 | sb->s_maxbytes = max_file_blocks(NULL) << |
e0afc4d6 | 4074 | le32_to_cpu(raw_super->log_blocksize); |
aff063e2 | 4075 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 4076 | |
5aba5430 DR |
4077 | err = f2fs_setup_casefold(sbi); |
4078 | if (err) | |
4079 | goto free_options; | |
4080 | ||
0abd675e CY |
4081 | #ifdef CONFIG_QUOTA |
4082 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 4083 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 4084 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 4085 | |
7beb01f7 | 4086 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
4087 | for (i = 0; i < MAXQUOTAS; i++) { |
4088 | if (f2fs_qf_ino(sbi->sb, i)) | |
4089 | sbi->nquota_files++; | |
4090 | } | |
4091 | } | |
0abd675e CY |
4092 | #endif |
4093 | ||
aff063e2 | 4094 | sb->s_op = &f2fs_sops; |
643fa961 | 4095 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 4096 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
4097 | #endif |
4098 | #ifdef CONFIG_FS_VERITY | |
4099 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 4100 | #endif |
aff063e2 JK |
4101 | sb->s_xattr = f2fs_xattr_handlers; |
4102 | sb->s_export_op = &f2fs_export_ops; | |
4103 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 4104 | sb->s_time_gran = 1; |
1751e8a6 LT |
4105 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
4106 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 4107 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 4108 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
4109 | |
4110 | /* init f2fs-specific super block info */ | |
e8240f65 | 4111 | sbi->valid_super_block = valid_super_block; |
e4544b63 | 4112 | init_f2fs_rwsem(&sbi->gc_lock); |
853137ce | 4113 | mutex_init(&sbi->writepages); |
e4544b63 TM |
4114 | init_f2fs_rwsem(&sbi->cp_global_sem); |
4115 | init_f2fs_rwsem(&sbi->node_write); | |
4116 | init_f2fs_rwsem(&sbi->node_change); | |
315df839 JK |
4117 | |
4118 | /* disallow all the data/node/meta page writes */ | |
4119 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 4120 | spin_lock_init(&sbi->stat_lock); |
971767ca | 4121 | |
908ea654 YY |
4122 | err = f2fs_init_write_merge_io(sbi); |
4123 | if (err) | |
4124 | goto free_bio_info; | |
971767ca | 4125 | |
e4544b63 TM |
4126 | init_f2fs_rwsem(&sbi->cp_rwsem); |
4127 | init_f2fs_rwsem(&sbi->quota_sem); | |
fb51b5ef | 4128 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
4129 | init_sb_info(sbi); |
4130 | ||
52118743 | 4131 | err = f2fs_init_iostat(sbi); |
523be8a6 | 4132 | if (err) |
d7997e63 | 4133 | goto free_bio_info; |
523be8a6 | 4134 | |
523be8a6 JK |
4135 | err = init_percpu_info(sbi); |
4136 | if (err) | |
a4b68176 | 4137 | goto free_iostat; |
523be8a6 | 4138 | |
c72db71e | 4139 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 4140 | sbi->write_io_dummy = |
a3ebfe4f | 4141 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
4142 | if (!sbi->write_io_dummy) { |
4143 | err = -ENOMEM; | |
d7997e63 | 4144 | goto free_percpu; |
1727f317 | 4145 | } |
0a595eba JK |
4146 | } |
4147 | ||
a999150f CY |
4148 | /* init per sbi slab cache */ |
4149 | err = f2fs_init_xattr_caches(sbi); | |
4150 | if (err) | |
4151 | goto free_io_dummy; | |
31083031 CY |
4152 | err = f2fs_init_page_array_cache(sbi); |
4153 | if (err) | |
4154 | goto free_xattr_cache; | |
a999150f | 4155 | |
aff063e2 JK |
4156 | /* get an inode for meta space */ |
4157 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
4158 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 4159 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 4160 | err = PTR_ERR(sbi->meta_inode); |
31083031 | 4161 | goto free_page_array_cache; |
aff063e2 JK |
4162 | } |
4163 | ||
4d57b86d | 4164 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 4165 | if (err) { |
dcbb4c10 | 4166 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 4167 | goto free_meta_inode; |
a07ef784 | 4168 | } |
aff063e2 | 4169 | |
af033b2a CY |
4170 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
4171 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
4172 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
4173 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
4174 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
4175 | } | |
af033b2a | 4176 | |
04f0b2ea QS |
4177 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
4178 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
4179 | ||
3c62be17 JK |
4180 | /* Initialize device list */ |
4181 | err = f2fs_scan_devices(sbi); | |
4182 | if (err) { | |
dcbb4c10 | 4183 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
4184 | goto free_devices; |
4185 | } | |
4186 | ||
4c8ff709 CY |
4187 | err = f2fs_init_post_read_wq(sbi); |
4188 | if (err) { | |
4189 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
4190 | goto free_devices; | |
4191 | } | |
4192 | ||
aff063e2 JK |
4193 | sbi->total_valid_node_count = |
4194 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
4195 | percpu_counter_set(&sbi->total_valid_inode_count, |
4196 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
4197 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
4198 | sbi->total_valid_block_count = | |
4199 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
4200 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 4201 | sbi->reserved_blocks = 0; |
80d42145 | 4202 | sbi->current_reserved_blocks = 0; |
7e65be49 | 4203 | limit_reserve_root(sbi); |
1ae18f71 | 4204 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 4205 | |
c227f912 CY |
4206 | for (i = 0; i < NR_INODE_TYPE; i++) { |
4207 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
4208 | spin_lock_init(&sbi->inode_lock[i]); | |
4209 | } | |
040d2bb3 | 4210 | mutex_init(&sbi->flush_lock); |
aff063e2 | 4211 | |
4d57b86d | 4212 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 4213 | |
4d57b86d | 4214 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 4215 | |
50fa53ec CY |
4216 | f2fs_init_fsync_node_info(sbi); |
4217 | ||
261eeb9c DJ |
4218 | /* setup checkpoint request control and start checkpoint issue thread */ |
4219 | f2fs_init_ckpt_req_control(sbi); | |
3f7070b0 | 4220 | if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) && |
261eeb9c DJ |
4221 | test_opt(sbi, MERGE_CHECKPOINT)) { |
4222 | err = f2fs_start_ckpt_thread(sbi); | |
4223 | if (err) { | |
4224 | f2fs_err(sbi, | |
4225 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
4226 | err); | |
4227 | goto stop_ckpt_thread; | |
4228 | } | |
4229 | } | |
4230 | ||
aff063e2 | 4231 | /* setup f2fs internal modules */ |
4d57b86d | 4232 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 4233 | if (err) { |
dcbb4c10 JP |
4234 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
4235 | err); | |
aff063e2 | 4236 | goto free_sm; |
a07ef784 | 4237 | } |
4d57b86d | 4238 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 4239 | if (err) { |
dcbb4c10 JP |
4240 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
4241 | err); | |
aff063e2 | 4242 | goto free_nm; |
a07ef784 | 4243 | } |
aff063e2 | 4244 | |
300a8429 CY |
4245 | err = adjust_reserved_segment(sbi); |
4246 | if (err) | |
4247 | goto free_nm; | |
4248 | ||
8f1dbbbb | 4249 | /* For write statistics */ |
3a0a9cbc | 4250 | sbi->sectors_written_start = f2fs_get_sectors_written(sbi); |
8f1dbbbb SL |
4251 | |
4252 | /* Read accumulated write IO statistics if exists */ | |
4253 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
4254 | if (__exist_node_summaries(sbi)) | |
4255 | sbi->kbytes_written = | |
b2dde6fc | 4256 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 4257 | |
4d57b86d | 4258 | f2fs_build_gc_manager(sbi); |
aff063e2 | 4259 | |
60aa4d55 ST |
4260 | err = f2fs_build_stats(sbi); |
4261 | if (err) | |
4262 | goto free_nm; | |
4263 | ||
aff063e2 JK |
4264 | /* get an inode for node space */ |
4265 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
4266 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 4267 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 4268 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 4269 | goto free_stats; |
aff063e2 JK |
4270 | } |
4271 | ||
aff063e2 JK |
4272 | /* read root inode and dentry */ |
4273 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
4274 | if (IS_ERR(root)) { | |
dcbb4c10 | 4275 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 4276 | err = PTR_ERR(root); |
60aa4d55 | 4277 | goto free_node_inode; |
aff063e2 | 4278 | } |
bcbfbd60 CY |
4279 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
4280 | !root->i_size || !root->i_nlink) { | |
9d847950 | 4281 | iput(root); |
8f99a946 | 4282 | err = -EINVAL; |
60aa4d55 | 4283 | goto free_node_inode; |
8f99a946 | 4284 | } |
aff063e2 JK |
4285 | |
4286 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
4287 | if (!sb->s_root) { | |
4288 | err = -ENOMEM; | |
025cdb16 | 4289 | goto free_node_inode; |
aff063e2 JK |
4290 | } |
4291 | ||
6ce19aff | 4292 | err = f2fs_init_compress_inode(sbi); |
b59d0bae | 4293 | if (err) |
a398101a | 4294 | goto free_root_inode; |
b59d0bae | 4295 | |
6ce19aff CY |
4296 | err = f2fs_register_sysfs(sbi); |
4297 | if (err) | |
4298 | goto free_compress_inode; | |
4299 | ||
ea676733 | 4300 | #ifdef CONFIG_QUOTA |
76cf05d7 | 4301 | /* Enable quota usage during mount */ |
7beb01f7 | 4302 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 4303 | err = f2fs_enable_quotas(sb); |
730746ce | 4304 | if (err) |
dcbb4c10 | 4305 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
4306 | } |
4307 | #endif | |
7a88ddb5 | 4308 | /* if there are any orphan inodes, free them */ |
4d57b86d | 4309 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 4310 | if (err) |
ea676733 | 4311 | goto free_meta; |
4b2414d0 | 4312 | |
4354994f | 4313 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 4314 | goto reset_checkpoint; |
4354994f | 4315 | |
6437d1b0 | 4316 | /* recover fsynced data */ |
a9117eca CY |
4317 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
4318 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
4319 | /* |
4320 | * mount should be failed, when device has readonly mode, and | |
4321 | * previous checkpoint was not done by clean system shutdown. | |
4322 | */ | |
b61af314 | 4323 | if (f2fs_hw_is_readonly(sbi)) { |
23738e74 CY |
4324 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { |
4325 | err = f2fs_recover_fsync_data(sbi, true); | |
4326 | if (err > 0) { | |
4327 | err = -EROFS; | |
4328 | f2fs_err(sbi, "Need to recover fsync data, but " | |
4329 | "write access unavailable, please try " | |
4330 | "mount w/ disable_roll_forward or norecovery"); | |
4331 | } | |
4332 | if (err < 0) | |
4333 | goto free_meta; | |
4334 | } | |
4335 | f2fs_info(sbi, "write access unavailable, skipping recovery"); | |
b61af314 | 4336 | goto reset_checkpoint; |
081d78c2 | 4337 | } |
2adc3505 CY |
4338 | |
4339 | if (need_fsck) | |
4340 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
4341 | ||
aa2c8c43 CY |
4342 | if (skip_recovery) |
4343 | goto reset_checkpoint; | |
a468f0ef | 4344 | |
4d57b86d | 4345 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 4346 | if (err < 0) { |
aa2c8c43 CY |
4347 | if (err != -ENOMEM) |
4348 | skip_recovery = true; | |
2adc3505 | 4349 | need_fsck = true; |
dcbb4c10 JP |
4350 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
4351 | err); | |
4b2414d0 | 4352 | goto free_meta; |
ed2e621a | 4353 | } |
6781eabb | 4354 | } else { |
4d57b86d | 4355 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
4356 | |
4357 | if (!f2fs_readonly(sb) && err > 0) { | |
4358 | err = -EINVAL; | |
dcbb4c10 | 4359 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 4360 | goto free_meta; |
6781eabb | 4361 | } |
6437d1b0 | 4362 | } |
d508c94e SK |
4363 | |
4364 | /* | |
4365 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
4366 | * check zoned block devices' write pointer consistency. | |
4367 | */ | |
4368 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
4369 | err = f2fs_check_write_pointer(sbi); | |
4370 | if (err) | |
4371 | goto free_meta; | |
4372 | } | |
4373 | ||
aa2c8c43 | 4374 | reset_checkpoint: |
093749e2 CY |
4375 | f2fs_init_inmem_curseg(sbi); |
4376 | ||
4d57b86d | 4377 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 4378 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 4379 | |
4354994f DR |
4380 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
4381 | err = f2fs_disable_checkpoint(sbi); | |
4382 | if (err) | |
812a9597 | 4383 | goto sync_free_meta; |
4354994f DR |
4384 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
4385 | f2fs_enable_checkpoint(sbi); | |
4386 | } | |
4387 | ||
6437d1b0 JK |
4388 | /* |
4389 | * If filesystem is not mounted as read-only then | |
4390 | * do start the gc_thread. | |
4391 | */ | |
5911d2d1 CY |
4392 | if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF || |
4393 | test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) { | |
6437d1b0 | 4394 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 4395 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 4396 | if (err) |
812a9597 | 4397 | goto sync_free_meta; |
6437d1b0 | 4398 | } |
5222595d | 4399 | kvfree(options); |
da554e48 | 4400 | |
4401 | /* recover broken superblock */ | |
f2353d7b | 4402 | if (recovery) { |
41214b3c | 4403 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
4404 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
4405 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 4406 | } |
4407 | ||
bae01eda CY |
4408 | f2fs_join_shrinker(sbi); |
4409 | ||
84b89e5d JK |
4410 | f2fs_tuning_parameters(sbi); |
4411 | ||
dcbb4c10 JP |
4412 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
4413 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 4414 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 4415 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 4416 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 4417 | return 0; |
6437d1b0 | 4418 | |
812a9597 JK |
4419 | sync_free_meta: |
4420 | /* safe to flush all the data */ | |
4421 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 4422 | retry_cnt = 0; |
812a9597 | 4423 | |
4b2414d0 | 4424 | free_meta: |
ea676733 | 4425 | #ifdef CONFIG_QUOTA |
26b5a079 | 4426 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 4427 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
4428 | f2fs_quota_off_umount(sbi->sb); |
4429 | #endif | |
4b2414d0 | 4430 | /* |
4d57b86d | 4431 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 4432 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
4433 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
4434 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
4435 | */ |
4436 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
4437 | /* evict some inodes being cached by GC */ |
4438 | evict_inodes(sb); | |
dc6b2055 | 4439 | f2fs_unregister_sysfs(sbi); |
6ce19aff CY |
4440 | free_compress_inode: |
4441 | f2fs_destroy_compress_inode(sbi); | |
aff063e2 JK |
4442 | free_root_inode: |
4443 | dput(sb->s_root); | |
4444 | sb->s_root = NULL; | |
4445 | free_node_inode: | |
4d57b86d | 4446 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 4447 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 4448 | iput(sbi->node_inode); |
7c77bf7d | 4449 | sbi->node_inode = NULL; |
60aa4d55 ST |
4450 | free_stats: |
4451 | f2fs_destroy_stats(sbi); | |
aff063e2 | 4452 | free_nm: |
5429c9db DM |
4453 | /* stop discard thread before destroying node manager */ |
4454 | f2fs_stop_discard_thread(sbi); | |
4d57b86d | 4455 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 4456 | free_sm: |
4d57b86d | 4457 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 4458 | f2fs_destroy_post_read_wq(sbi); |
261eeb9c DJ |
4459 | stop_ckpt_thread: |
4460 | f2fs_stop_ckpt_thread(sbi); | |
3c62be17 JK |
4461 | free_devices: |
4462 | destroy_device_list(sbi); | |
5222595d | 4463 | kvfree(sbi->ckpt); |
aff063e2 JK |
4464 | free_meta_inode: |
4465 | make_bad_inode(sbi->meta_inode); | |
4466 | iput(sbi->meta_inode); | |
7c77bf7d | 4467 | sbi->meta_inode = NULL; |
31083031 CY |
4468 | free_page_array_cache: |
4469 | f2fs_destroy_page_array_cache(sbi); | |
a999150f CY |
4470 | free_xattr_cache: |
4471 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
4472 | free_io_dummy: |
4473 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
4474 | free_percpu: |
4475 | destroy_percpu_info(sbi); | |
a4b68176 DJ |
4476 | free_iostat: |
4477 | f2fs_destroy_iostat(sbi); | |
d7997e63 | 4478 | free_bio_info: |
a912b54d | 4479 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 4480 | kvfree(sbi->write_io[i]); |
5aba5430 | 4481 | |
5298d4bf | 4482 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 4483 | utf8_unload(sb->s_encoding); |
89ff6005 | 4484 | sb->s_encoding = NULL; |
5aba5430 | 4485 | #endif |
d7997e63 | 4486 | free_options: |
4b2414d0 CY |
4487 | #ifdef CONFIG_QUOTA |
4488 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 4489 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 4490 | #endif |
ac4acb1f | 4491 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
5222595d | 4492 | kvfree(options); |
aff063e2 | 4493 | free_sb_buf: |
742532d1 | 4494 | kfree(raw_super); |
aff063e2 | 4495 | free_sbi: |
43b6573b KM |
4496 | if (sbi->s_chksum_driver) |
4497 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 4498 | kfree(sbi); |
ed2e621a JK |
4499 | |
4500 | /* give only one another chance */ | |
aa2c8c43 CY |
4501 | if (retry_cnt > 0 && skip_recovery) { |
4502 | retry_cnt--; | |
ed2e621a JK |
4503 | shrink_dcache_sb(sb); |
4504 | goto try_onemore; | |
4505 | } | |
aff063e2 JK |
4506 | return err; |
4507 | } | |
4508 | ||
4509 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
4510 | const char *dev_name, void *data) | |
4511 | { | |
4512 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
4513 | } | |
4514 | ||
30a5537f JK |
4515 | static void kill_f2fs_super(struct super_block *sb) |
4516 | { | |
cce13252 | 4517 | if (sb->s_root) { |
1cb50f87 JK |
4518 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
4519 | ||
4520 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
4521 | f2fs_stop_gc_thread(sbi); | |
4522 | f2fs_stop_discard_thread(sbi); | |
4523 | ||
6ce19aff CY |
4524 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4525 | /* | |
4526 | * latter evict_inode() can bypass checking and invalidating | |
4527 | * compress inode cache. | |
4528 | */ | |
4529 | if (test_opt(sbi, COMPRESS_CACHE)) | |
4530 | truncate_inode_pages_final(COMPRESS_MAPPING(sbi)); | |
4531 | #endif | |
4532 | ||
1cb50f87 JK |
4533 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
4534 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
4535 | struct cp_control cpc = { | |
4536 | .reason = CP_UMOUNT, | |
4537 | }; | |
4538 | f2fs_write_checkpoint(sbi, &cpc); | |
4539 | } | |
1378752b CY |
4540 | |
4541 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
4542 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 4543 | } |
30a5537f JK |
4544 | kill_block_super(sb); |
4545 | } | |
4546 | ||
aff063e2 JK |
4547 | static struct file_system_type f2fs_fs_type = { |
4548 | .owner = THIS_MODULE, | |
4549 | .name = "f2fs", | |
4550 | .mount = f2fs_mount, | |
30a5537f | 4551 | .kill_sb = kill_f2fs_super, |
984fc4e7 | 4552 | .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, |
aff063e2 | 4553 | }; |
7f78e035 | 4554 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 4555 | |
6e6093a8 | 4556 | static int __init init_inodecache(void) |
aff063e2 | 4557 | { |
5d097056 VD |
4558 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
4559 | sizeof(struct f2fs_inode_info), 0, | |
4560 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 4561 | if (!f2fs_inode_cachep) |
aff063e2 JK |
4562 | return -ENOMEM; |
4563 | return 0; | |
4564 | } | |
4565 | ||
4566 | static void destroy_inodecache(void) | |
4567 | { | |
4568 | /* | |
4569 | * Make sure all delayed rcu free inodes are flushed before we | |
4570 | * destroy cache. | |
4571 | */ | |
4572 | rcu_barrier(); | |
4573 | kmem_cache_destroy(f2fs_inode_cachep); | |
4574 | } | |
4575 | ||
4576 | static int __init init_f2fs_fs(void) | |
4577 | { | |
4578 | int err; | |
4579 | ||
4071e67c AP |
4580 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
4581 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
4582 | PAGE_SIZE, F2FS_BLKSIZE); | |
4583 | return -EINVAL; | |
4584 | } | |
4585 | ||
aff063e2 JK |
4586 | err = init_inodecache(); |
4587 | if (err) | |
4588 | goto fail; | |
4d57b86d | 4589 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 4590 | if (err) |
9890ff3f | 4591 | goto free_inodecache; |
4d57b86d | 4592 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 4593 | if (err) |
9890ff3f | 4594 | goto free_node_manager_caches; |
4d57b86d | 4595 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 4596 | if (err) |
06292073 | 4597 | goto free_segment_manager_caches; |
cad83c96 | 4598 | err = f2fs_create_recovery_cache(); |
1dcc336b CY |
4599 | if (err) |
4600 | goto free_checkpoint_caches; | |
cad83c96 CY |
4601 | err = f2fs_create_extent_cache(); |
4602 | if (err) | |
4603 | goto free_recovery_cache; | |
093749e2 | 4604 | err = f2fs_create_garbage_collection_cache(); |
a398101a | 4605 | if (err) |
1dcc336b | 4606 | goto free_extent_cache; |
093749e2 CY |
4607 | err = f2fs_init_sysfs(); |
4608 | if (err) | |
4609 | goto free_garbage_collection_cache; | |
e33c267a | 4610 | err = register_shrinker(&f2fs_shrinker_info, "f2fs-shrinker"); |
cfc4d971 | 4611 | if (err) |
a398101a | 4612 | goto free_sysfs; |
2658e50d JK |
4613 | err = register_filesystem(&f2fs_fs_type); |
4614 | if (err) | |
4615 | goto free_shrinker; | |
21acc07d | 4616 | f2fs_create_root_stats(); |
6dbb1796 EB |
4617 | err = f2fs_init_post_read_processing(); |
4618 | if (err) | |
4619 | goto free_root_stats; | |
a4b68176 | 4620 | err = f2fs_init_iostat_processing(); |
0b20fcec CY |
4621 | if (err) |
4622 | goto free_post_read; | |
a4b68176 DJ |
4623 | err = f2fs_init_bio_entry_cache(); |
4624 | if (err) | |
4625 | goto free_iostat; | |
f543805f CY |
4626 | err = f2fs_init_bioset(); |
4627 | if (err) | |
4628 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
4629 | err = f2fs_init_compress_mempool(); |
4630 | if (err) | |
4631 | goto free_bioset; | |
c68d6c88 CY |
4632 | err = f2fs_init_compress_cache(); |
4633 | if (err) | |
4634 | goto free_compress_mempool; | |
4d9a2bb1 CY |
4635 | err = f2fs_create_casefold_cache(); |
4636 | if (err) | |
4637 | goto free_compress_cache; | |
9890ff3f | 4638 | return 0; |
4d9a2bb1 CY |
4639 | free_compress_cache: |
4640 | f2fs_destroy_compress_cache(); | |
c68d6c88 CY |
4641 | free_compress_mempool: |
4642 | f2fs_destroy_compress_mempool(); | |
5e6bbde9 CY |
4643 | free_bioset: |
4644 | f2fs_destroy_bioset(); | |
f543805f CY |
4645 | free_bio_enrty_cache: |
4646 | f2fs_destroy_bio_entry_cache(); | |
a4b68176 DJ |
4647 | free_iostat: |
4648 | f2fs_destroy_iostat_processing(); | |
0b20fcec CY |
4649 | free_post_read: |
4650 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
4651 | free_root_stats: |
4652 | f2fs_destroy_root_stats(); | |
787c7b8c | 4653 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
4654 | free_shrinker: |
4655 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 4656 | free_sysfs: |
dc6b2055 | 4657 | f2fs_exit_sysfs(); |
093749e2 CY |
4658 | free_garbage_collection_cache: |
4659 | f2fs_destroy_garbage_collection_cache(); | |
1dcc336b | 4660 | free_extent_cache: |
4d57b86d | 4661 | f2fs_destroy_extent_cache(); |
cad83c96 CY |
4662 | free_recovery_cache: |
4663 | f2fs_destroy_recovery_cache(); | |
9890ff3f | 4664 | free_checkpoint_caches: |
4d57b86d | 4665 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 4666 | free_segment_manager_caches: |
4d57b86d | 4667 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 4668 | free_node_manager_caches: |
4d57b86d | 4669 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
4670 | free_inodecache: |
4671 | destroy_inodecache(); | |
aff063e2 JK |
4672 | fail: |
4673 | return err; | |
4674 | } | |
4675 | ||
4676 | static void __exit exit_f2fs_fs(void) | |
4677 | { | |
4d9a2bb1 | 4678 | f2fs_destroy_casefold_cache(); |
c68d6c88 | 4679 | f2fs_destroy_compress_cache(); |
5e6bbde9 | 4680 | f2fs_destroy_compress_mempool(); |
f543805f | 4681 | f2fs_destroy_bioset(); |
0b20fcec | 4682 | f2fs_destroy_bio_entry_cache(); |
a4b68176 | 4683 | f2fs_destroy_iostat_processing(); |
6dbb1796 | 4684 | f2fs_destroy_post_read_processing(); |
4589d25d | 4685 | f2fs_destroy_root_stats(); |
aff063e2 | 4686 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 4687 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 4688 | f2fs_exit_sysfs(); |
093749e2 | 4689 | f2fs_destroy_garbage_collection_cache(); |
4d57b86d | 4690 | f2fs_destroy_extent_cache(); |
cad83c96 | 4691 | f2fs_destroy_recovery_cache(); |
4d57b86d CY |
4692 | f2fs_destroy_checkpoint_caches(); |
4693 | f2fs_destroy_segment_manager_caches(); | |
4694 | f2fs_destroy_node_manager_caches(); | |
aff063e2 JK |
4695 | destroy_inodecache(); |
4696 | } | |
4697 | ||
4698 | module_init(init_f2fs_fs) | |
4699 | module_exit(exit_f2fs_fs) | |
4700 | ||
4701 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
4702 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
4703 | MODULE_LICENSE("GPL"); | |
0dd57178 | 4704 | MODULE_SOFTDEP("pre: crc32"); |
b4b9d34c | 4705 |