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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> | |
11 | #include <linux/statfs.h> | |
aff063e2 JK |
12 | #include <linux/buffer_head.h> |
13 | #include <linux/backing-dev.h> | |
14 | #include <linux/kthread.h> | |
15 | #include <linux/parser.h> | |
16 | #include <linux/mount.h> | |
17 | #include <linux/seq_file.h> | |
5e176d54 | 18 | #include <linux/proc_fs.h> |
aff063e2 JK |
19 | #include <linux/random.h> |
20 | #include <linux/exportfs.h> | |
d3ee456d | 21 | #include <linux/blkdev.h> |
0abd675e | 22 | #include <linux/quotaops.h> |
aff063e2 | 23 | #include <linux/f2fs_fs.h> |
b59d0bae | 24 | #include <linux/sysfs.h> |
4b2414d0 | 25 | #include <linux/quota.h> |
5aba5430 | 26 | #include <linux/unicode.h> |
c6a564ff | 27 | #include <linux/part_stat.h> |
3fde13f8 CY |
28 | #include <linux/zstd.h> |
29 | #include <linux/lz4.h> | |
aff063e2 JK |
30 | |
31 | #include "f2fs.h" | |
32 | #include "node.h" | |
5ec4e49f | 33 | #include "segment.h" |
aff063e2 | 34 | #include "xattr.h" |
b59d0bae | 35 | #include "gc.h" |
aff063e2 | 36 | |
a2a4a7e4 NJ |
37 | #define CREATE_TRACE_POINTS |
38 | #include <trace/events/f2fs.h> | |
39 | ||
aff063e2 JK |
40 | static struct kmem_cache *f2fs_inode_cachep; |
41 | ||
73faec4d | 42 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 43 | |
19880e6e | 44 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 45 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 46 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 47 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 48 | [FAULT_PAGE_GET] = "page get", |
cb78942b JK |
49 | [FAULT_ALLOC_NID] = "alloc nid", |
50 | [FAULT_ORPHAN] = "orphan", | |
51 | [FAULT_BLOCK] = "no more block", | |
52 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 53 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 54 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 55 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 56 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 57 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 58 | [FAULT_WRITE_IO] = "write IO error", |
2c63fead | 59 | }; |
08796897 | 60 | |
d494500a CY |
61 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
62 | unsigned int type) | |
08796897 | 63 | { |
63189b78 | 64 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 65 | |
08796897 | 66 | if (rate) { |
1ecc0c5c CY |
67 | atomic_set(&ffi->inject_ops, 0); |
68 | ffi->inject_rate = rate; | |
08796897 | 69 | } |
d494500a CY |
70 | |
71 | if (type) | |
72 | ffi->inject_type = type; | |
73 | ||
74 | if (!rate && !type) | |
75 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 76 | } |
73faec4d JK |
77 | #endif |
78 | ||
2658e50d JK |
79 | /* f2fs-wide shrinker description */ |
80 | static struct shrinker f2fs_shrinker_info = { | |
81 | .scan_objects = f2fs_shrink_scan, | |
82 | .count_objects = f2fs_shrink_count, | |
83 | .seeks = DEFAULT_SEEKS, | |
84 | }; | |
85 | ||
aff063e2 | 86 | enum { |
696c018c | 87 | Opt_gc_background, |
aff063e2 | 88 | Opt_disable_roll_forward, |
2d834bf9 | 89 | Opt_norecovery, |
aff063e2 | 90 | Opt_discard, |
64058be9 | 91 | Opt_nodiscard, |
aff063e2 | 92 | Opt_noheap, |
7a20b8a6 | 93 | Opt_heap, |
4058c511 | 94 | Opt_user_xattr, |
aff063e2 | 95 | Opt_nouser_xattr, |
4058c511 | 96 | Opt_acl, |
aff063e2 JK |
97 | Opt_noacl, |
98 | Opt_active_logs, | |
99 | Opt_disable_ext_identify, | |
444c580f | 100 | Opt_inline_xattr, |
23cf7212 | 101 | Opt_noinline_xattr, |
6afc662e | 102 | Opt_inline_xattr_size, |
8274de77 | 103 | Opt_inline_data, |
5efd3c6f | 104 | Opt_inline_dentry, |
97c1794a | 105 | Opt_noinline_dentry, |
6b4afdd7 | 106 | Opt_flush_merge, |
69e9e427 | 107 | Opt_noflush_merge, |
0f7b2abd | 108 | Opt_nobarrier, |
d5053a34 | 109 | Opt_fastboot, |
89672159 | 110 | Opt_extent_cache, |
7daaea25 | 111 | Opt_noextent_cache, |
75342797 | 112 | Opt_noinline_data, |
343f40f0 | 113 | Opt_data_flush, |
7e65be49 | 114 | Opt_reserve_root, |
7c2e5963 JK |
115 | Opt_resgid, |
116 | Opt_resuid, | |
36abef4e | 117 | Opt_mode, |
ec91538d | 118 | Opt_io_size_bits, |
73faec4d | 119 | Opt_fault_injection, |
d494500a | 120 | Opt_fault_type, |
6d94c74a JK |
121 | Opt_lazytime, |
122 | Opt_nolazytime, | |
4b2414d0 CY |
123 | Opt_quota, |
124 | Opt_noquota, | |
0abd675e CY |
125 | Opt_usrquota, |
126 | Opt_grpquota, | |
5c57132e | 127 | Opt_prjquota, |
4b2414d0 CY |
128 | Opt_usrjquota, |
129 | Opt_grpjquota, | |
130 | Opt_prjjquota, | |
131 | Opt_offusrjquota, | |
132 | Opt_offgrpjquota, | |
133 | Opt_offprjjquota, | |
134 | Opt_jqfmt_vfsold, | |
135 | Opt_jqfmt_vfsv0, | |
136 | Opt_jqfmt_vfsv1, | |
0cdd3195 | 137 | Opt_whint, |
07939627 | 138 | Opt_alloc, |
93cf93f1 | 139 | Opt_fsync, |
ff62af20 | 140 | Opt_test_dummy_encryption, |
27aacd28 | 141 | Opt_inlinecrypt, |
4d3aed70 DR |
142 | Opt_checkpoint_disable, |
143 | Opt_checkpoint_disable_cap, | |
144 | Opt_checkpoint_disable_cap_perc, | |
145 | Opt_checkpoint_enable, | |
261eeb9c DJ |
146 | Opt_checkpoint_merge, |
147 | Opt_nocheckpoint_merge, | |
4c8ff709 CY |
148 | Opt_compress_algorithm, |
149 | Opt_compress_log_size, | |
150 | Opt_compress_extension, | |
b28f047b | 151 | Opt_compress_chksum, |
602a16d5 | 152 | Opt_compress_mode, |
093749e2 | 153 | Opt_atgc, |
5911d2d1 CY |
154 | Opt_gc_merge, |
155 | Opt_nogc_merge, | |
aff063e2 JK |
156 | Opt_err, |
157 | }; | |
158 | ||
159 | static match_table_t f2fs_tokens = { | |
696c018c | 160 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 161 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 162 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 163 | {Opt_discard, "discard"}, |
64058be9 | 164 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 165 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 166 | {Opt_heap, "heap"}, |
4058c511 | 167 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 168 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 169 | {Opt_acl, "acl"}, |
aff063e2 JK |
170 | {Opt_noacl, "noacl"}, |
171 | {Opt_active_logs, "active_logs=%u"}, | |
172 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 173 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 174 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 175 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 176 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 177 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 178 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 179 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 180 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 181 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 182 | {Opt_fastboot, "fastboot"}, |
89672159 | 183 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 184 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 185 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 186 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 187 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
188 | {Opt_resgid, "resgid=%u"}, |
189 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 190 | {Opt_mode, "mode=%s"}, |
ec91538d | 191 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 192 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 193 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
194 | {Opt_lazytime, "lazytime"}, |
195 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
196 | {Opt_quota, "quota"}, |
197 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
198 | {Opt_usrquota, "usrquota"}, |
199 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 200 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
201 | {Opt_usrjquota, "usrjquota=%s"}, |
202 | {Opt_grpjquota, "grpjquota=%s"}, | |
203 | {Opt_prjjquota, "prjjquota=%s"}, | |
204 | {Opt_offusrjquota, "usrjquota="}, | |
205 | {Opt_offgrpjquota, "grpjquota="}, | |
206 | {Opt_offprjjquota, "prjjquota="}, | |
207 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
208 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
209 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
0cdd3195 | 210 | {Opt_whint, "whint_mode=%s"}, |
07939627 | 211 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 212 | {Opt_fsync, "fsync_mode=%s"}, |
ed318a6c | 213 | {Opt_test_dummy_encryption, "test_dummy_encryption=%s"}, |
ff62af20 | 214 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
27aacd28 | 215 | {Opt_inlinecrypt, "inlinecrypt"}, |
4d3aed70 DR |
216 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
217 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
218 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
219 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
261eeb9c DJ |
220 | {Opt_checkpoint_merge, "checkpoint_merge"}, |
221 | {Opt_nocheckpoint_merge, "nocheckpoint_merge"}, | |
4c8ff709 CY |
222 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
223 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
224 | {Opt_compress_extension, "compress_extension=%s"}, | |
b28f047b | 225 | {Opt_compress_chksum, "compress_chksum"}, |
602a16d5 | 226 | {Opt_compress_mode, "compress_mode=%s"}, |
093749e2 | 227 | {Opt_atgc, "atgc"}, |
5911d2d1 CY |
228 | {Opt_gc_merge, "gc_merge"}, |
229 | {Opt_nogc_merge, "nogc_merge"}, | |
aff063e2 JK |
230 | {Opt_err, NULL}, |
231 | }; | |
232 | ||
dcbb4c10 | 233 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
234 | { |
235 | struct va_format vaf; | |
236 | va_list args; | |
dcbb4c10 | 237 | int level; |
a07ef784 NJ |
238 | |
239 | va_start(args, fmt); | |
dcbb4c10 JP |
240 | |
241 | level = printk_get_level(fmt); | |
242 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 243 | vaf.va = &args; |
dcbb4c10 JP |
244 | printk("%c%cF2FS-fs (%s): %pV\n", |
245 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
246 | ||
a07ef784 NJ |
247 | va_end(args); |
248 | } | |
249 | ||
5aba5430 DR |
250 | #ifdef CONFIG_UNICODE |
251 | static const struct f2fs_sb_encodings { | |
252 | __u16 magic; | |
253 | char *name; | |
254 | char *version; | |
255 | } f2fs_sb_encoding_map[] = { | |
256 | {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"}, | |
257 | }; | |
258 | ||
259 | static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, | |
260 | const struct f2fs_sb_encodings **encoding, | |
261 | __u16 *flags) | |
262 | { | |
263 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
264 | int i; | |
265 | ||
266 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
267 | if (magic == f2fs_sb_encoding_map[i].magic) | |
268 | break; | |
269 | ||
270 | if (i >= ARRAY_SIZE(f2fs_sb_encoding_map)) | |
271 | return -EINVAL; | |
272 | ||
273 | *encoding = &f2fs_sb_encoding_map[i]; | |
274 | *flags = le16_to_cpu(sb->s_encoding_flags); | |
275 | ||
276 | return 0; | |
277 | } | |
278 | #endif | |
279 | ||
7e65be49 JK |
280 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
281 | { | |
9a9aecaa DR |
282 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
283 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
284 | |
285 | /* limit is 0.2% */ | |
63189b78 CY |
286 | if (test_opt(sbi, RESERVE_ROOT) && |
287 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
288 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
289 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
290 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 291 | } |
7c2e5963 | 292 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 293 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 294 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 295 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 296 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
297 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
298 | from_kuid_munged(&init_user_ns, | |
299 | F2FS_OPTION(sbi).s_resuid), | |
300 | from_kgid_munged(&init_user_ns, | |
301 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
302 | } |
303 | ||
1ae18f71 JK |
304 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
305 | { | |
306 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
307 | return; | |
308 | ||
309 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
310 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
311 | else | |
312 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
313 | F2FS_OPTION(sbi).unusable_cap_perc; | |
314 | ||
315 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
316 | F2FS_OPTION(sbi).unusable_cap, | |
317 | F2FS_OPTION(sbi).unusable_cap_perc); | |
318 | } | |
319 | ||
aff063e2 JK |
320 | static void init_once(void *foo) |
321 | { | |
322 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
323 | ||
aff063e2 JK |
324 | inode_init_once(&fi->vfs_inode); |
325 | } | |
326 | ||
4b2414d0 CY |
327 | #ifdef CONFIG_QUOTA |
328 | static const char * const quotatypes[] = INITQFNAMES; | |
329 | #define QTYPE2NAME(t) (quotatypes[t]) | |
330 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
331 | substring_t *args) | |
332 | { | |
333 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
334 | char *qname; | |
335 | int ret = -EINVAL; | |
336 | ||
63189b78 | 337 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 338 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
339 | return -EINVAL; |
340 | } | |
7beb01f7 | 341 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 342 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
343 | return 0; |
344 | } | |
345 | ||
4b2414d0 CY |
346 | qname = match_strdup(args); |
347 | if (!qname) { | |
dcbb4c10 | 348 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 349 | return -ENOMEM; |
4b2414d0 | 350 | } |
63189b78 CY |
351 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
352 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
353 | ret = 0; |
354 | else | |
dcbb4c10 | 355 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
356 | QTYPE2NAME(qtype)); |
357 | goto errout; | |
358 | } | |
359 | if (strchr(qname, '/')) { | |
dcbb4c10 | 360 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
361 | goto errout; |
362 | } | |
63189b78 | 363 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
364 | set_opt(sbi, QUOTA); |
365 | return 0; | |
366 | errout: | |
ba87a45c | 367 | kfree(qname); |
4b2414d0 CY |
368 | return ret; |
369 | } | |
370 | ||
371 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
372 | { | |
373 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
374 | ||
63189b78 | 375 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 376 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
377 | return -EINVAL; |
378 | } | |
ba87a45c | 379 | kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 380 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
381 | return 0; |
382 | } | |
383 | ||
384 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
385 | { | |
386 | /* | |
387 | * We do the test below only for project quotas. 'usrquota' and | |
388 | * 'grpquota' mount options are allowed even without quota feature | |
389 | * to support legacy quotas in quota files. | |
390 | */ | |
7beb01f7 | 391 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 392 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
393 | return -1; |
394 | } | |
63189b78 CY |
395 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
396 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
397 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
398 | if (test_opt(sbi, USRQUOTA) && | |
399 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
400 | clear_opt(sbi, USRQUOTA); |
401 | ||
63189b78 CY |
402 | if (test_opt(sbi, GRPQUOTA) && |
403 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
404 | clear_opt(sbi, GRPQUOTA); |
405 | ||
63189b78 CY |
406 | if (test_opt(sbi, PRJQUOTA) && |
407 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
408 | clear_opt(sbi, PRJQUOTA); |
409 | ||
410 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
411 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 412 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
413 | return -1; |
414 | } | |
415 | ||
63189b78 | 416 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 417 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
418 | return -1; |
419 | } | |
420 | } | |
ea676733 | 421 | |
7beb01f7 | 422 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 423 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 424 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 425 | } |
4b2414d0 CY |
426 | return 0; |
427 | } | |
428 | #endif | |
429 | ||
ed318a6c EB |
430 | static int f2fs_set_test_dummy_encryption(struct super_block *sb, |
431 | const char *opt, | |
432 | const substring_t *arg, | |
433 | bool is_remount) | |
434 | { | |
435 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
436 | #ifdef CONFIG_FS_ENCRYPTION | |
437 | int err; | |
438 | ||
439 | if (!f2fs_sb_has_encrypt(sbi)) { | |
440 | f2fs_err(sbi, "Encrypt feature is off"); | |
441 | return -EINVAL; | |
442 | } | |
443 | ||
444 | /* | |
445 | * This mount option is just for testing, and it's not worthwhile to | |
446 | * implement the extra complexity (e.g. RCU protection) that would be | |
447 | * needed to allow it to be set or changed during remount. We do allow | |
448 | * it to be specified during remount, but only if there is no change. | |
449 | */ | |
ac4acb1f | 450 | if (is_remount && !F2FS_OPTION(sbi).dummy_enc_policy.policy) { |
ed318a6c EB |
451 | f2fs_warn(sbi, "Can't set test_dummy_encryption on remount"); |
452 | return -EINVAL; | |
453 | } | |
454 | err = fscrypt_set_test_dummy_encryption( | |
c8c868ab | 455 | sb, arg->from, &F2FS_OPTION(sbi).dummy_enc_policy); |
ed318a6c EB |
456 | if (err) { |
457 | if (err == -EEXIST) | |
458 | f2fs_warn(sbi, | |
459 | "Can't change test_dummy_encryption on remount"); | |
460 | else if (err == -EINVAL) | |
461 | f2fs_warn(sbi, "Value of option \"%s\" is unrecognized", | |
462 | opt); | |
463 | else | |
464 | f2fs_warn(sbi, "Error processing option \"%s\" [%d]", | |
465 | opt, err); | |
466 | return -EINVAL; | |
467 | } | |
468 | f2fs_warn(sbi, "Test dummy encryption mode enabled"); | |
469 | #else | |
470 | f2fs_warn(sbi, "Test dummy encryption mount option ignored"); | |
471 | #endif | |
472 | return 0; | |
473 | } | |
474 | ||
3fde13f8 CY |
475 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
476 | #ifdef CONFIG_F2FS_FS_LZ4 | |
477 | static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) | |
478 | { | |
479 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
480 | unsigned int level; | |
481 | #endif | |
482 | ||
483 | if (strlen(str) == 3) { | |
484 | F2FS_OPTION(sbi).compress_level = 0; | |
485 | return 0; | |
486 | } | |
487 | ||
488 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
489 | str += 3; | |
490 | ||
491 | if (str[0] != ':') { | |
492 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
493 | return -EINVAL; | |
494 | } | |
495 | if (kstrtouint(str + 1, 10, &level)) | |
496 | return -EINVAL; | |
497 | ||
498 | if (level < LZ4HC_MIN_CLEVEL || level > LZ4HC_MAX_CLEVEL) { | |
499 | f2fs_info(sbi, "invalid lz4hc compress level: %d", level); | |
500 | return -EINVAL; | |
501 | } | |
502 | ||
503 | F2FS_OPTION(sbi).compress_level = level; | |
504 | return 0; | |
505 | #else | |
506 | f2fs_info(sbi, "kernel doesn't support lz4hc compression"); | |
507 | return -EINVAL; | |
508 | #endif | |
509 | } | |
510 | #endif | |
511 | ||
512 | #ifdef CONFIG_F2FS_FS_ZSTD | |
513 | static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str) | |
514 | { | |
515 | unsigned int level; | |
516 | int len = 4; | |
517 | ||
518 | if (strlen(str) == len) { | |
519 | F2FS_OPTION(sbi).compress_level = 0; | |
520 | return 0; | |
521 | } | |
522 | ||
523 | str += len; | |
524 | ||
525 | if (str[0] != ':') { | |
526 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
527 | return -EINVAL; | |
528 | } | |
529 | if (kstrtouint(str + 1, 10, &level)) | |
530 | return -EINVAL; | |
531 | ||
532 | if (!level || level > ZSTD_maxCLevel()) { | |
533 | f2fs_info(sbi, "invalid zstd compress level: %d", level); | |
534 | return -EINVAL; | |
535 | } | |
536 | ||
537 | F2FS_OPTION(sbi).compress_level = level; | |
538 | return 0; | |
539 | } | |
540 | #endif | |
541 | #endif | |
542 | ||
ed318a6c | 543 | static int parse_options(struct super_block *sb, char *options, bool is_remount) |
696c018c NJ |
544 | { |
545 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
546 | substring_t args[MAX_OPT_ARGS]; | |
1f0b067b | 547 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 548 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
1f0b067b CY |
549 | int ext_cnt; |
550 | #endif | |
696c018c | 551 | char *p, *name; |
1f0b067b | 552 | int arg = 0; |
7c2e5963 JK |
553 | kuid_t uid; |
554 | kgid_t gid; | |
4b2414d0 | 555 | int ret; |
696c018c NJ |
556 | |
557 | if (!options) | |
558 | return 0; | |
559 | ||
560 | while ((p = strsep(&options, ",")) != NULL) { | |
561 | int token; | |
5f029c04 | 562 | |
696c018c NJ |
563 | if (!*p) |
564 | continue; | |
565 | /* | |
566 | * Initialize args struct so we know whether arg was | |
567 | * found; some options take optional arguments. | |
568 | */ | |
569 | args[0].to = args[0].from = NULL; | |
570 | token = match_token(p, f2fs_tokens, args); | |
571 | ||
572 | switch (token) { | |
573 | case Opt_gc_background: | |
574 | name = match_strdup(&args[0]); | |
575 | ||
576 | if (!name) | |
577 | return -ENOMEM; | |
3c57f751 | 578 | if (!strcmp(name, "on")) { |
bbbc34fd | 579 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 580 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 581 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 582 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 583 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 584 | } else { |
ba87a45c | 585 | kfree(name); |
696c018c NJ |
586 | return -EINVAL; |
587 | } | |
ba87a45c | 588 | kfree(name); |
696c018c NJ |
589 | break; |
590 | case Opt_disable_roll_forward: | |
591 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
592 | break; | |
2d834bf9 JK |
593 | case Opt_norecovery: |
594 | /* this option mounts f2fs with ro */ | |
a9117eca | 595 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
596 | if (!f2fs_readonly(sb)) |
597 | return -EINVAL; | |
598 | break; | |
696c018c | 599 | case Opt_discard: |
7d20c8ab | 600 | set_opt(sbi, DISCARD); |
696c018c | 601 | break; |
64058be9 | 602 | case Opt_nodiscard: |
7beb01f7 | 603 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 604 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
605 | return -EINVAL; |
606 | } | |
64058be9 | 607 | clear_opt(sbi, DISCARD); |
487df616 | 608 | break; |
696c018c NJ |
609 | case Opt_noheap: |
610 | set_opt(sbi, NOHEAP); | |
611 | break; | |
7a20b8a6 JK |
612 | case Opt_heap: |
613 | clear_opt(sbi, NOHEAP); | |
614 | break; | |
696c018c | 615 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
616 | case Opt_user_xattr: |
617 | set_opt(sbi, XATTR_USER); | |
618 | break; | |
696c018c NJ |
619 | case Opt_nouser_xattr: |
620 | clear_opt(sbi, XATTR_USER); | |
621 | break; | |
444c580f JK |
622 | case Opt_inline_xattr: |
623 | set_opt(sbi, INLINE_XATTR); | |
624 | break; | |
23cf7212 CY |
625 | case Opt_noinline_xattr: |
626 | clear_opt(sbi, INLINE_XATTR); | |
627 | break; | |
6afc662e CY |
628 | case Opt_inline_xattr_size: |
629 | if (args->from && match_int(args, &arg)) | |
630 | return -EINVAL; | |
631 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 632 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 633 | break; |
696c018c | 634 | #else |
4058c511 | 635 | case Opt_user_xattr: |
dcbb4c10 | 636 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 637 | break; |
696c018c | 638 | case Opt_nouser_xattr: |
dcbb4c10 | 639 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 640 | break; |
444c580f | 641 | case Opt_inline_xattr: |
dcbb4c10 | 642 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 643 | break; |
23cf7212 | 644 | case Opt_noinline_xattr: |
dcbb4c10 | 645 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 646 | break; |
696c018c NJ |
647 | #endif |
648 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
649 | case Opt_acl: |
650 | set_opt(sbi, POSIX_ACL); | |
651 | break; | |
696c018c NJ |
652 | case Opt_noacl: |
653 | clear_opt(sbi, POSIX_ACL); | |
654 | break; | |
655 | #else | |
4058c511 | 656 | case Opt_acl: |
dcbb4c10 | 657 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 658 | break; |
696c018c | 659 | case Opt_noacl: |
dcbb4c10 | 660 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
661 | break; |
662 | #endif | |
663 | case Opt_active_logs: | |
664 | if (args->from && match_int(args, &arg)) | |
665 | return -EINVAL; | |
d0b9e42a CY |
666 | if (arg != 2 && arg != 4 && |
667 | arg != NR_CURSEG_PERSIST_TYPE) | |
696c018c | 668 | return -EINVAL; |
63189b78 | 669 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
670 | break; |
671 | case Opt_disable_ext_identify: | |
672 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
673 | break; | |
8274de77 HL |
674 | case Opt_inline_data: |
675 | set_opt(sbi, INLINE_DATA); | |
676 | break; | |
5efd3c6f CY |
677 | case Opt_inline_dentry: |
678 | set_opt(sbi, INLINE_DENTRY); | |
679 | break; | |
97c1794a CY |
680 | case Opt_noinline_dentry: |
681 | clear_opt(sbi, INLINE_DENTRY); | |
682 | break; | |
6b4afdd7 JK |
683 | case Opt_flush_merge: |
684 | set_opt(sbi, FLUSH_MERGE); | |
685 | break; | |
69e9e427 JK |
686 | case Opt_noflush_merge: |
687 | clear_opt(sbi, FLUSH_MERGE); | |
688 | break; | |
0f7b2abd JK |
689 | case Opt_nobarrier: |
690 | set_opt(sbi, NOBARRIER); | |
691 | break; | |
d5053a34 JK |
692 | case Opt_fastboot: |
693 | set_opt(sbi, FASTBOOT); | |
694 | break; | |
89672159 CY |
695 | case Opt_extent_cache: |
696 | set_opt(sbi, EXTENT_CACHE); | |
697 | break; | |
7daaea25 JK |
698 | case Opt_noextent_cache: |
699 | clear_opt(sbi, EXTENT_CACHE); | |
700 | break; | |
75342797 WL |
701 | case Opt_noinline_data: |
702 | clear_opt(sbi, INLINE_DATA); | |
703 | break; | |
343f40f0 CY |
704 | case Opt_data_flush: |
705 | set_opt(sbi, DATA_FLUSH); | |
706 | break; | |
7e65be49 JK |
707 | case Opt_reserve_root: |
708 | if (args->from && match_int(args, &arg)) | |
709 | return -EINVAL; | |
710 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
711 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
712 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 713 | } else { |
63189b78 | 714 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
715 | set_opt(sbi, RESERVE_ROOT); |
716 | } | |
717 | break; | |
7c2e5963 JK |
718 | case Opt_resuid: |
719 | if (args->from && match_int(args, &arg)) | |
720 | return -EINVAL; | |
721 | uid = make_kuid(current_user_ns(), arg); | |
722 | if (!uid_valid(uid)) { | |
dcbb4c10 | 723 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
724 | return -EINVAL; |
725 | } | |
63189b78 | 726 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
727 | break; |
728 | case Opt_resgid: | |
729 | if (args->from && match_int(args, &arg)) | |
730 | return -EINVAL; | |
731 | gid = make_kgid(current_user_ns(), arg); | |
732 | if (!gid_valid(gid)) { | |
dcbb4c10 | 733 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
734 | return -EINVAL; |
735 | } | |
63189b78 | 736 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 737 | break; |
36abef4e JK |
738 | case Opt_mode: |
739 | name = match_strdup(&args[0]); | |
740 | ||
741 | if (!name) | |
742 | return -ENOMEM; | |
3c57f751 | 743 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 744 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 745 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
ba87a45c | 746 | kfree(name); |
3adc57e9 DLM |
747 | return -EINVAL; |
748 | } | |
b0332a0f | 749 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 750 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 751 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
36abef4e | 752 | } else { |
ba87a45c | 753 | kfree(name); |
36abef4e JK |
754 | return -EINVAL; |
755 | } | |
ba87a45c | 756 | kfree(name); |
36abef4e | 757 | break; |
ec91538d JK |
758 | case Opt_io_size_bits: |
759 | if (args->from && match_int(args, &arg)) | |
760 | return -EINVAL; | |
a8affc03 | 761 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) { |
dcbb4c10 | 762 | f2fs_warn(sbi, "Not support %d, larger than %d", |
a8affc03 | 763 | 1 << arg, BIO_MAX_VECS); |
ec91538d JK |
764 | return -EINVAL; |
765 | } | |
63189b78 | 766 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 767 | break; |
4cb037ec | 768 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
769 | case Opt_fault_injection: |
770 | if (args->from && match_int(args, &arg)) | |
771 | return -EINVAL; | |
d494500a CY |
772 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
773 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 774 | break; |
4cb037ec | 775 | |
d494500a CY |
776 | case Opt_fault_type: |
777 | if (args->from && match_int(args, &arg)) | |
778 | return -EINVAL; | |
d494500a | 779 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 780 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 781 | break; |
73faec4d | 782 | #else |
4cb037ec | 783 | case Opt_fault_injection: |
dcbb4c10 | 784 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 785 | break; |
4cb037ec CX |
786 | |
787 | case Opt_fault_type: | |
dcbb4c10 | 788 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
789 | break; |
790 | #endif | |
6d94c74a | 791 | case Opt_lazytime: |
1751e8a6 | 792 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
793 | break; |
794 | case Opt_nolazytime: | |
1751e8a6 | 795 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 796 | break; |
0abd675e | 797 | #ifdef CONFIG_QUOTA |
4b2414d0 | 798 | case Opt_quota: |
0abd675e CY |
799 | case Opt_usrquota: |
800 | set_opt(sbi, USRQUOTA); | |
801 | break; | |
802 | case Opt_grpquota: | |
803 | set_opt(sbi, GRPQUOTA); | |
804 | break; | |
5c57132e CY |
805 | case Opt_prjquota: |
806 | set_opt(sbi, PRJQUOTA); | |
807 | break; | |
4b2414d0 CY |
808 | case Opt_usrjquota: |
809 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
810 | if (ret) | |
811 | return ret; | |
812 | break; | |
813 | case Opt_grpjquota: | |
814 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
815 | if (ret) | |
816 | return ret; | |
817 | break; | |
818 | case Opt_prjjquota: | |
819 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
820 | if (ret) | |
821 | return ret; | |
822 | break; | |
823 | case Opt_offusrjquota: | |
824 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
825 | if (ret) | |
826 | return ret; | |
827 | break; | |
828 | case Opt_offgrpjquota: | |
829 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
830 | if (ret) | |
831 | return ret; | |
832 | break; | |
833 | case Opt_offprjjquota: | |
834 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
835 | if (ret) | |
836 | return ret; | |
837 | break; | |
838 | case Opt_jqfmt_vfsold: | |
63189b78 | 839 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
840 | break; |
841 | case Opt_jqfmt_vfsv0: | |
63189b78 | 842 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
843 | break; |
844 | case Opt_jqfmt_vfsv1: | |
63189b78 | 845 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
846 | break; |
847 | case Opt_noquota: | |
848 | clear_opt(sbi, QUOTA); | |
849 | clear_opt(sbi, USRQUOTA); | |
850 | clear_opt(sbi, GRPQUOTA); | |
851 | clear_opt(sbi, PRJQUOTA); | |
852 | break; | |
0abd675e | 853 | #else |
4b2414d0 | 854 | case Opt_quota: |
0abd675e CY |
855 | case Opt_usrquota: |
856 | case Opt_grpquota: | |
5c57132e | 857 | case Opt_prjquota: |
4b2414d0 CY |
858 | case Opt_usrjquota: |
859 | case Opt_grpjquota: | |
860 | case Opt_prjjquota: | |
861 | case Opt_offusrjquota: | |
862 | case Opt_offgrpjquota: | |
863 | case Opt_offprjjquota: | |
864 | case Opt_jqfmt_vfsold: | |
865 | case Opt_jqfmt_vfsv0: | |
866 | case Opt_jqfmt_vfsv1: | |
867 | case Opt_noquota: | |
dcbb4c10 | 868 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
869 | break; |
870 | #endif | |
0cdd3195 HL |
871 | case Opt_whint: |
872 | name = match_strdup(&args[0]); | |
873 | if (!name) | |
874 | return -ENOMEM; | |
3c57f751 | 875 | if (!strcmp(name, "user-based")) { |
63189b78 | 876 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
3c57f751 | 877 | } else if (!strcmp(name, "off")) { |
63189b78 | 878 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
3c57f751 | 879 | } else if (!strcmp(name, "fs-based")) { |
63189b78 | 880 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 881 | } else { |
ba87a45c | 882 | kfree(name); |
0cdd3195 HL |
883 | return -EINVAL; |
884 | } | |
ba87a45c | 885 | kfree(name); |
0cdd3195 | 886 | break; |
07939627 JK |
887 | case Opt_alloc: |
888 | name = match_strdup(&args[0]); | |
889 | if (!name) | |
890 | return -ENOMEM; | |
891 | ||
3c57f751 | 892 | if (!strcmp(name, "default")) { |
63189b78 | 893 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 894 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 895 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 896 | } else { |
ba87a45c | 897 | kfree(name); |
07939627 JK |
898 | return -EINVAL; |
899 | } | |
ba87a45c | 900 | kfree(name); |
07939627 | 901 | break; |
93cf93f1 JZ |
902 | case Opt_fsync: |
903 | name = match_strdup(&args[0]); | |
904 | if (!name) | |
905 | return -ENOMEM; | |
3c57f751 | 906 | if (!strcmp(name, "posix")) { |
63189b78 | 907 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 908 | } else if (!strcmp(name, "strict")) { |
63189b78 | 909 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 910 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
911 | F2FS_OPTION(sbi).fsync_mode = |
912 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 913 | } else { |
ba87a45c | 914 | kfree(name); |
93cf93f1 JZ |
915 | return -EINVAL; |
916 | } | |
ba87a45c | 917 | kfree(name); |
93cf93f1 | 918 | break; |
ff62af20 | 919 | case Opt_test_dummy_encryption: |
ed318a6c EB |
920 | ret = f2fs_set_test_dummy_encryption(sb, p, &args[0], |
921 | is_remount); | |
922 | if (ret) | |
923 | return ret; | |
ff62af20 | 924 | break; |
27aacd28 ST |
925 | case Opt_inlinecrypt: |
926 | #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT | |
927 | sb->s_flags |= SB_INLINECRYPT; | |
928 | #else | |
929 | f2fs_info(sbi, "inline encryption not supported"); | |
930 | #endif | |
931 | break; | |
4d3aed70 DR |
932 | case Opt_checkpoint_disable_cap_perc: |
933 | if (args->from && match_int(args, &arg)) | |
4354994f | 934 | return -EINVAL; |
4d3aed70 DR |
935 | if (arg < 0 || arg > 100) |
936 | return -EINVAL; | |
1ae18f71 | 937 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
938 | set_opt(sbi, DISABLE_CHECKPOINT); |
939 | break; | |
940 | case Opt_checkpoint_disable_cap: | |
941 | if (args->from && match_int(args, &arg)) | |
942 | return -EINVAL; | |
943 | F2FS_OPTION(sbi).unusable_cap = arg; | |
944 | set_opt(sbi, DISABLE_CHECKPOINT); | |
945 | break; | |
946 | case Opt_checkpoint_disable: | |
947 | set_opt(sbi, DISABLE_CHECKPOINT); | |
948 | break; | |
949 | case Opt_checkpoint_enable: | |
950 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 951 | break; |
261eeb9c DJ |
952 | case Opt_checkpoint_merge: |
953 | set_opt(sbi, MERGE_CHECKPOINT); | |
954 | break; | |
955 | case Opt_nocheckpoint_merge: | |
956 | clear_opt(sbi, MERGE_CHECKPOINT); | |
957 | break; | |
1f0b067b | 958 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
959 | case Opt_compress_algorithm: |
960 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
961 | f2fs_info(sbi, "Image doesn't support compression"); |
962 | break; | |
4c8ff709 CY |
963 | } |
964 | name = match_strdup(&args[0]); | |
965 | if (!name) | |
966 | return -ENOMEM; | |
3c57f751 | 967 | if (!strcmp(name, "lzo")) { |
32be0e97 | 968 | #ifdef CONFIG_F2FS_FS_LZO |
3fde13f8 | 969 | F2FS_OPTION(sbi).compress_level = 0; |
4c8ff709 CY |
970 | F2FS_OPTION(sbi).compress_algorithm = |
971 | COMPRESS_LZO; | |
32be0e97 CY |
972 | #else |
973 | f2fs_info(sbi, "kernel doesn't support lzo compression"); | |
974 | #endif | |
3fde13f8 | 975 | } else if (!strncmp(name, "lz4", 3)) { |
32be0e97 | 976 | #ifdef CONFIG_F2FS_FS_LZ4 |
3fde13f8 CY |
977 | ret = f2fs_set_lz4hc_level(sbi, name); |
978 | if (ret) { | |
979 | kfree(name); | |
980 | return -EINVAL; | |
981 | } | |
4c8ff709 CY |
982 | F2FS_OPTION(sbi).compress_algorithm = |
983 | COMPRESS_LZ4; | |
32be0e97 CY |
984 | #else |
985 | f2fs_info(sbi, "kernel doesn't support lz4 compression"); | |
986 | #endif | |
3fde13f8 | 987 | } else if (!strncmp(name, "zstd", 4)) { |
32be0e97 | 988 | #ifdef CONFIG_F2FS_FS_ZSTD |
3fde13f8 CY |
989 | ret = f2fs_set_zstd_level(sbi, name); |
990 | if (ret) { | |
991 | kfree(name); | |
992 | return -EINVAL; | |
993 | } | |
50cfa66f CY |
994 | F2FS_OPTION(sbi).compress_algorithm = |
995 | COMPRESS_ZSTD; | |
32be0e97 CY |
996 | #else |
997 | f2fs_info(sbi, "kernel doesn't support zstd compression"); | |
998 | #endif | |
6d92b201 | 999 | } else if (!strcmp(name, "lzo-rle")) { |
32be0e97 | 1000 | #ifdef CONFIG_F2FS_FS_LZORLE |
3fde13f8 | 1001 | F2FS_OPTION(sbi).compress_level = 0; |
6d92b201 CY |
1002 | F2FS_OPTION(sbi).compress_algorithm = |
1003 | COMPRESS_LZORLE; | |
32be0e97 CY |
1004 | #else |
1005 | f2fs_info(sbi, "kernel doesn't support lzorle compression"); | |
1006 | #endif | |
4c8ff709 CY |
1007 | } else { |
1008 | kfree(name); | |
1009 | return -EINVAL; | |
1010 | } | |
1011 | kfree(name); | |
1012 | break; | |
1013 | case Opt_compress_log_size: | |
1014 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1015 | f2fs_info(sbi, "Image doesn't support compression"); |
1016 | break; | |
4c8ff709 CY |
1017 | } |
1018 | if (args->from && match_int(args, &arg)) | |
1019 | return -EINVAL; | |
1020 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
1021 | arg > MAX_COMPRESS_LOG_SIZE) { | |
1022 | f2fs_err(sbi, | |
1023 | "Compress cluster log size is out of range"); | |
1024 | return -EINVAL; | |
1025 | } | |
1026 | F2FS_OPTION(sbi).compress_log_size = arg; | |
1027 | break; | |
1028 | case Opt_compress_extension: | |
1029 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1030 | f2fs_info(sbi, "Image doesn't support compression"); |
1031 | break; | |
4c8ff709 CY |
1032 | } |
1033 | name = match_strdup(&args[0]); | |
1034 | if (!name) | |
1035 | return -ENOMEM; | |
1036 | ||
1037 | ext = F2FS_OPTION(sbi).extensions; | |
1038 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
1039 | ||
1040 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
1041 | ext_cnt >= COMPRESS_EXT_NUM) { | |
1042 | f2fs_err(sbi, | |
1043 | "invalid extension length/number"); | |
1044 | kfree(name); | |
1045 | return -EINVAL; | |
1046 | } | |
1047 | ||
1048 | strcpy(ext[ext_cnt], name); | |
1049 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
1050 | kfree(name); | |
1051 | break; | |
b28f047b CY |
1052 | case Opt_compress_chksum: |
1053 | F2FS_OPTION(sbi).compress_chksum = true; | |
1054 | break; | |
602a16d5 DJ |
1055 | case Opt_compress_mode: |
1056 | name = match_strdup(&args[0]); | |
1057 | if (!name) | |
1058 | return -ENOMEM; | |
1059 | if (!strcmp(name, "fs")) { | |
1060 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; | |
1061 | } else if (!strcmp(name, "user")) { | |
1062 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER; | |
1063 | } else { | |
1064 | kfree(name); | |
1065 | return -EINVAL; | |
1066 | } | |
1067 | kfree(name); | |
1068 | break; | |
1f0b067b CY |
1069 | #else |
1070 | case Opt_compress_algorithm: | |
1071 | case Opt_compress_log_size: | |
1072 | case Opt_compress_extension: | |
b28f047b | 1073 | case Opt_compress_chksum: |
602a16d5 | 1074 | case Opt_compress_mode: |
1f0b067b CY |
1075 | f2fs_info(sbi, "compression options not supported"); |
1076 | break; | |
1077 | #endif | |
093749e2 CY |
1078 | case Opt_atgc: |
1079 | set_opt(sbi, ATGC); | |
1080 | break; | |
5911d2d1 CY |
1081 | case Opt_gc_merge: |
1082 | set_opt(sbi, GC_MERGE); | |
1083 | break; | |
1084 | case Opt_nogc_merge: | |
1085 | clear_opt(sbi, GC_MERGE); | |
1086 | break; | |
696c018c | 1087 | default: |
dcbb4c10 JP |
1088 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
1089 | p); | |
696c018c NJ |
1090 | return -EINVAL; |
1091 | } | |
1092 | } | |
4b2414d0 CY |
1093 | #ifdef CONFIG_QUOTA |
1094 | if (f2fs_check_quota_options(sbi)) | |
1095 | return -EINVAL; | |
00960c2c | 1096 | #else |
7beb01f7 | 1097 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1098 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
1099 | return -EINVAL; |
1100 | } | |
7beb01f7 | 1101 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1102 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
1103 | return -EINVAL; |
1104 | } | |
4b2414d0 | 1105 | #endif |
5aba5430 DR |
1106 | #ifndef CONFIG_UNICODE |
1107 | if (f2fs_sb_has_casefold(sbi)) { | |
1108 | f2fs_err(sbi, | |
1109 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
1110 | return -EINVAL; | |
1111 | } | |
1112 | #endif | |
d0660122 CY |
1113 | /* |
1114 | * The BLKZONED feature indicates that the drive was formatted with | |
1115 | * zone alignment optimization. This is optional for host-aware | |
1116 | * devices, but mandatory for host-managed zoned block devices. | |
1117 | */ | |
1118 | #ifndef CONFIG_BLK_DEV_ZONED | |
1119 | if (f2fs_sb_has_blkzoned(sbi)) { | |
1120 | f2fs_err(sbi, "Zoned block device support is not enabled"); | |
1121 | return -EINVAL; | |
1122 | } | |
1123 | #endif | |
ec91538d | 1124 | |
b0332a0f | 1125 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
1126 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
1127 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
1128 | return -EINVAL; |
1129 | } | |
6afc662e CY |
1130 | |
1131 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
1132 | int min_size, max_size; |
1133 | ||
7beb01f7 CY |
1134 | if (!f2fs_sb_has_extra_attr(sbi) || |
1135 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 1136 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
1137 | return -EINVAL; |
1138 | } | |
6afc662e | 1139 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 1140 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
1141 | return -EINVAL; |
1142 | } | |
70db5b04 JK |
1143 | |
1144 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 1145 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
1146 | |
1147 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
1148 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
1149 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
1150 | min_size, max_size); | |
6afc662e CY |
1151 | return -EINVAL; |
1152 | } | |
1153 | } | |
0cdd3195 | 1154 | |
b0332a0f | 1155 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
dcbb4c10 | 1156 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
1157 | return -EINVAL; |
1158 | } | |
1159 | ||
0cdd3195 | 1160 | /* Not pass down write hints if the number of active logs is lesser |
d0b9e42a | 1161 | * than NR_CURSEG_PERSIST_TYPE. |
0cdd3195 | 1162 | */ |
63189b78 CY |
1163 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
1164 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
1165 | return 0; |
1166 | } | |
1167 | ||
aff063e2 JK |
1168 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
1169 | { | |
1170 | struct f2fs_inode_info *fi; | |
1171 | ||
a0acdfe0 | 1172 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
1173 | if (!fi) |
1174 | return NULL; | |
1175 | ||
1176 | init_once((void *) fi); | |
1177 | ||
434720fa | 1178 | /* Initialize f2fs-specific inode info */ |
204706c7 | 1179 | atomic_set(&fi->dirty_pages, 0); |
c2759eba | 1180 | atomic_set(&fi->i_compr_blocks, 0); |
d928bfbf | 1181 | init_rwsem(&fi->i_sem); |
c10c9820 | 1182 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 1183 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 1184 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 1185 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
1186 | INIT_LIST_HEAD(&fi->inmem_pages); |
1187 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
1188 | init_rwsem(&fi->i_gc_rwsem[READ]); |
1189 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 1190 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 1191 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 1192 | |
ab9fa662 JK |
1193 | /* Will be used by directory only */ |
1194 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 1195 | |
aff063e2 JK |
1196 | return &fi->vfs_inode; |
1197 | } | |
1198 | ||
531ad7d5 JK |
1199 | static int f2fs_drop_inode(struct inode *inode) |
1200 | { | |
a8933b6b | 1201 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 1202 | int ret; |
a8933b6b CY |
1203 | |
1204 | /* | |
1205 | * during filesystem shutdown, if checkpoint is disabled, | |
1206 | * drop useless meta/node dirty pages. | |
1207 | */ | |
1208 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
1209 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1210 | inode->i_ino == F2FS_META_INO(sbi)) { | |
1211 | trace_f2fs_drop_inode(inode, 1); | |
1212 | return 1; | |
1213 | } | |
1214 | } | |
1215 | ||
531ad7d5 JK |
1216 | /* |
1217 | * This is to avoid a deadlock condition like below. | |
1218 | * writeback_single_inode(inode) | |
1219 | * - f2fs_write_data_page | |
1220 | * - f2fs_gc -> iput -> evict | |
1221 | * - inode_wait_for_writeback(inode) | |
1222 | */ | |
0f18b462 | 1223 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1224 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1225 | /* to avoid evict_inode call simultaneously */ |
1226 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1227 | spin_unlock(&inode->i_lock); |
1228 | ||
1229 | /* some remained atomic pages should discarded */ | |
1230 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 1231 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 1232 | |
3e72f721 JK |
1233 | /* should remain fi->extent_tree for writepage */ |
1234 | f2fs_destroy_extent_node(inode); | |
1235 | ||
06e1bc05 | 1236 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1237 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1238 | |
a0770e13 | 1239 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1240 | inode, NULL, 0, DATA); | |
1241 | truncate_inode_pages_final(inode->i_mapping); | |
1242 | ||
06e1bc05 | 1243 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1244 | f2fs_truncate(inode); |
06e1bc05 JK |
1245 | |
1246 | sb_end_intwrite(inode->i_sb); | |
1247 | ||
06e1bc05 | 1248 | spin_lock(&inode->i_lock); |
3e72f721 | 1249 | atomic_dec(&inode->i_count); |
06e1bc05 | 1250 | } |
b8d96a30 | 1251 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1252 | return 0; |
06e1bc05 | 1253 | } |
b8d96a30 | 1254 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1255 | if (!ret) |
1256 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1257 | trace_f2fs_drop_inode(inode, ret); |
1258 | return ret; | |
531ad7d5 JK |
1259 | } |
1260 | ||
7c45729a | 1261 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1262 | { |
0f18b462 | 1263 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1264 | int ret = 0; |
0f18b462 | 1265 | |
0f18b462 JK |
1266 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1267 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1268 | ret = 1; |
1269 | } else { | |
1270 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1271 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1272 | } |
7c45729a JK |
1273 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1274 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1275 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1276 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1277 | } | |
338bbfa0 | 1278 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1279 | return ret; |
0f18b462 JK |
1280 | } |
1281 | ||
1282 | void f2fs_inode_synced(struct inode *inode) | |
1283 | { | |
1284 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1285 | ||
1286 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1287 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1288 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1289 | return; | |
1290 | } | |
7c45729a JK |
1291 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1292 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1293 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1294 | } | |
0f18b462 | 1295 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1296 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1297 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1298 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1299 | } |
1300 | ||
b56ab837 JK |
1301 | /* |
1302 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1303 | * | |
1304 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1305 | */ | |
1306 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1307 | { | |
1308 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1309 | ||
1310 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1311 | inode->i_ino == F2FS_META_INO(sbi)) | |
1312 | return; | |
1313 | ||
b56ab837 JK |
1314 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) |
1315 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1316 | ||
7c45729a | 1317 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1318 | } |
1319 | ||
d01718a0 | 1320 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1321 | { |
2c58d548 | 1322 | fscrypt_free_inode(inode); |
aff063e2 JK |
1323 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1324 | } | |
1325 | ||
523be8a6 JK |
1326 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1327 | { | |
41382ec4 | 1328 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 1329 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
1330 | } |
1331 | ||
3c62be17 JK |
1332 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1333 | { | |
1334 | int i; | |
1335 | ||
1336 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1337 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1338 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1339 | kvfree(FDEV(i).blkz_seq); |
de881df9 | 1340 | kfree(FDEV(i).zone_capacity_blocks); |
3c62be17 JK |
1341 | #endif |
1342 | } | |
5222595d | 1343 | kvfree(sbi->devs); |
3c62be17 JK |
1344 | } |
1345 | ||
aff063e2 JK |
1346 | static void f2fs_put_super(struct super_block *sb) |
1347 | { | |
1348 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1349 | int i; |
cf5c759f | 1350 | bool dropped; |
aff063e2 | 1351 | |
99c787cf LG |
1352 | /* unregister procfs/sysfs entries in advance to avoid race case */ |
1353 | f2fs_unregister_sysfs(sbi); | |
1354 | ||
0abd675e | 1355 | f2fs_quota_off_umount(sb); |
aff063e2 | 1356 | |
2658e50d JK |
1357 | /* prevent remaining shrinker jobs */ |
1358 | mutex_lock(&sbi->umount_mutex); | |
1359 | ||
261eeb9c DJ |
1360 | /* |
1361 | * flush all issued checkpoints and stop checkpoint issue thread. | |
1362 | * after then, all checkpoints should be done by each process context. | |
1363 | */ | |
1364 | f2fs_stop_ckpt_thread(sbi); | |
1365 | ||
85dc2f2c JK |
1366 | /* |
1367 | * We don't need to do checkpoint when superblock is clean. | |
1368 | * But, the previous checkpoint was not done by umount, it needs to do | |
1369 | * clean checkpoint again. | |
1370 | */ | |
4354994f DR |
1371 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1372 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1373 | struct cp_control cpc = { |
1374 | .reason = CP_UMOUNT, | |
1375 | }; | |
4d57b86d | 1376 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1377 | } |
aff063e2 | 1378 | |
4e6a8d9b | 1379 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1380 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1381 | |
7d20c8ab CY |
1382 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1383 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1384 | struct cp_control cpc = { |
1385 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1386 | }; | |
4d57b86d | 1387 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1388 | } |
1389 | ||
cf779cab JK |
1390 | /* |
1391 | * normally superblock is clean, so we need to release this. | |
1392 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1393 | */ | |
4d57b86d | 1394 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1395 | |
2658e50d JK |
1396 | f2fs_leave_shrinker(sbi); |
1397 | mutex_unlock(&sbi->umount_mutex); | |
1398 | ||
17c19120 | 1399 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1400 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1401 | |
bf22c3cc | 1402 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1403 | |
1404 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1405 | ||
aff063e2 | 1406 | iput(sbi->node_inode); |
7c77bf7d JK |
1407 | sbi->node_inode = NULL; |
1408 | ||
aff063e2 | 1409 | iput(sbi->meta_inode); |
7c77bf7d | 1410 | sbi->meta_inode = NULL; |
aff063e2 | 1411 | |
60aa4d55 ST |
1412 | /* |
1413 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1414 | * above failed with error. | |
1415 | */ | |
1416 | f2fs_destroy_stats(sbi); | |
1417 | ||
aff063e2 | 1418 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1419 | f2fs_destroy_node_manager(sbi); |
1420 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1421 | |
4c8ff709 CY |
1422 | f2fs_destroy_post_read_wq(sbi); |
1423 | ||
5222595d | 1424 | kvfree(sbi->ckpt); |
a398101a | 1425 | |
aff063e2 | 1426 | sb->s_fs_info = NULL; |
43b6573b KM |
1427 | if (sbi->s_chksum_driver) |
1428 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 1429 | kfree(sbi->raw_super); |
523be8a6 | 1430 | |
3c62be17 | 1431 | destroy_device_list(sbi); |
31083031 | 1432 | f2fs_destroy_page_array_cache(sbi); |
a999150f | 1433 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1434 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1435 | #ifdef CONFIG_QUOTA |
1436 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1437 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1438 | #endif |
ac4acb1f | 1439 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
523be8a6 | 1440 | destroy_percpu_info(sbi); |
a912b54d | 1441 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1442 | kvfree(sbi->write_io[i]); |
5aba5430 | 1443 | #ifdef CONFIG_UNICODE |
eca4873e | 1444 | utf8_unload(sb->s_encoding); |
5aba5430 | 1445 | #endif |
742532d1 | 1446 | kfree(sbi); |
aff063e2 JK |
1447 | } |
1448 | ||
1449 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1450 | { | |
1451 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1452 | int err = 0; |
aff063e2 | 1453 | |
1f227a3e JK |
1454 | if (unlikely(f2fs_cp_error(sbi))) |
1455 | return 0; | |
4354994f DR |
1456 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1457 | return 0; | |
1f227a3e | 1458 | |
a2a4a7e4 NJ |
1459 | trace_f2fs_sync_fs(sb, sync); |
1460 | ||
4b2414d0 CY |
1461 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1462 | return -EAGAIN; | |
1463 | ||
261eeb9c DJ |
1464 | if (sync) |
1465 | err = f2fs_issue_checkpoint(sbi); | |
119ee914 | 1466 | |
c34f42e2 | 1467 | return err; |
aff063e2 JK |
1468 | } |
1469 | ||
d6212a5f CL |
1470 | static int f2fs_freeze(struct super_block *sb) |
1471 | { | |
77888c1e | 1472 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1473 | return 0; |
1474 | ||
b4b9d34c JK |
1475 | /* IO error happened before */ |
1476 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1477 | return -EIO; | |
1478 | ||
1479 | /* must be clean, since sync_filesystem() was already called */ | |
1480 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1481 | return -EINVAL; | |
d50dfc0c JK |
1482 | |
1483 | /* ensure no checkpoint required */ | |
1484 | if (!llist_empty(&F2FS_SB(sb)->cprc_info.issue_list)) | |
1485 | return -EINVAL; | |
b4b9d34c | 1486 | return 0; |
d6212a5f CL |
1487 | } |
1488 | ||
1489 | static int f2fs_unfreeze(struct super_block *sb) | |
1490 | { | |
1491 | return 0; | |
1492 | } | |
1493 | ||
ddc34e32 CY |
1494 | #ifdef CONFIG_QUOTA |
1495 | static int f2fs_statfs_project(struct super_block *sb, | |
1496 | kprojid_t projid, struct kstatfs *buf) | |
1497 | { | |
1498 | struct kqid qid; | |
1499 | struct dquot *dquot; | |
1500 | u64 limit; | |
1501 | u64 curblock; | |
1502 | ||
1503 | qid = make_kqid_projid(projid); | |
1504 | dquot = dqget(sb, qid); | |
1505 | if (IS_ERR(dquot)) | |
1506 | return PTR_ERR(dquot); | |
955ac6e5 | 1507 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1508 | |
bf2cbd3c CX |
1509 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1510 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1511 | if (limit) |
1512 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1513 | |
ddc34e32 | 1514 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1515 | curblock = (dquot->dq_dqb.dqb_curspace + |
1516 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1517 | buf->f_blocks = limit; |
1518 | buf->f_bfree = buf->f_bavail = | |
1519 | (buf->f_blocks > curblock) ? | |
1520 | (buf->f_blocks - curblock) : 0; | |
1521 | } | |
1522 | ||
bf2cbd3c CX |
1523 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1524 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1525 | |
ddc34e32 CY |
1526 | if (limit && buf->f_files > limit) { |
1527 | buf->f_files = limit; | |
1528 | buf->f_ffree = | |
1529 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1530 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1531 | } | |
1532 | ||
955ac6e5 | 1533 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1534 | dqput(dquot); |
1535 | return 0; | |
1536 | } | |
1537 | #endif | |
1538 | ||
aff063e2 JK |
1539 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1540 | { | |
1541 | struct super_block *sb = dentry->d_sb; | |
1542 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1543 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1544 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1545 | u64 avail_node_count; |
aff063e2 JK |
1546 | |
1547 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1548 | user_block_count = sbi->user_block_count; | |
1549 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1550 | buf->f_type = F2FS_SUPER_MAGIC; |
1551 | buf->f_bsize = sbi->blocksize; | |
1552 | ||
1553 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1554 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1555 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1556 | |
1557 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1558 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1559 | buf->f_bfree = 0; | |
1560 | else | |
1561 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1562 | spin_unlock(&sbi->stat_lock); |
4354994f | 1563 | |
63189b78 CY |
1564 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1565 | buf->f_bavail = buf->f_bfree - | |
1566 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1567 | else |
1568 | buf->f_bavail = 0; | |
aff063e2 | 1569 | |
27cae0bc | 1570 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
0cc091d0 JK |
1571 | |
1572 | if (avail_node_count > user_block_count) { | |
1573 | buf->f_files = user_block_count; | |
1574 | buf->f_ffree = buf->f_bavail; | |
1575 | } else { | |
1576 | buf->f_files = avail_node_count; | |
1577 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1578 | buf->f_bavail); | |
1579 | } | |
aff063e2 | 1580 | |
5a20d339 | 1581 | buf->f_namelen = F2FS_NAME_LEN; |
6d1349c7 | 1582 | buf->f_fsid = u64_to_fsid(id); |
aff063e2 | 1583 | |
ddc34e32 CY |
1584 | #ifdef CONFIG_QUOTA |
1585 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1586 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1587 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1588 | } | |
1589 | #endif | |
aff063e2 JK |
1590 | return 0; |
1591 | } | |
1592 | ||
4b2414d0 CY |
1593 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1594 | struct super_block *sb) | |
1595 | { | |
1596 | #ifdef CONFIG_QUOTA | |
1597 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1598 | ||
63189b78 | 1599 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1600 | char *fmtname = ""; |
1601 | ||
63189b78 | 1602 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1603 | case QFMT_VFS_OLD: |
1604 | fmtname = "vfsold"; | |
1605 | break; | |
1606 | case QFMT_VFS_V0: | |
1607 | fmtname = "vfsv0"; | |
1608 | break; | |
1609 | case QFMT_VFS_V1: | |
1610 | fmtname = "vfsv1"; | |
1611 | break; | |
1612 | } | |
1613 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1614 | } | |
1615 | ||
63189b78 CY |
1616 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1617 | seq_show_option(seq, "usrjquota", | |
1618 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1619 | |
63189b78 CY |
1620 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1621 | seq_show_option(seq, "grpjquota", | |
1622 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1623 | |
63189b78 CY |
1624 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1625 | seq_show_option(seq, "prjjquota", | |
1626 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1627 | #endif |
1628 | } | |
1629 | ||
cd6ee739 | 1630 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
1631 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1632 | struct super_block *sb) | |
1633 | { | |
1634 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1635 | char *algtype = ""; | |
1636 | int i; | |
1637 | ||
1638 | if (!f2fs_sb_has_compression(sbi)) | |
1639 | return; | |
1640 | ||
1641 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1642 | case COMPRESS_LZO: | |
1643 | algtype = "lzo"; | |
1644 | break; | |
1645 | case COMPRESS_LZ4: | |
1646 | algtype = "lz4"; | |
1647 | break; | |
50cfa66f CY |
1648 | case COMPRESS_ZSTD: |
1649 | algtype = "zstd"; | |
1650 | break; | |
6d92b201 CY |
1651 | case COMPRESS_LZORLE: |
1652 | algtype = "lzo-rle"; | |
1653 | break; | |
4c8ff709 CY |
1654 | } |
1655 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1656 | ||
3fde13f8 CY |
1657 | if (F2FS_OPTION(sbi).compress_level) |
1658 | seq_printf(seq, ":%d", F2FS_OPTION(sbi).compress_level); | |
1659 | ||
4c8ff709 CY |
1660 | seq_printf(seq, ",compress_log_size=%u", |
1661 | F2FS_OPTION(sbi).compress_log_size); | |
1662 | ||
1663 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1664 | seq_printf(seq, ",compress_extension=%s", | |
1665 | F2FS_OPTION(sbi).extensions[i]); | |
1666 | } | |
b28f047b CY |
1667 | |
1668 | if (F2FS_OPTION(sbi).compress_chksum) | |
1669 | seq_puts(seq, ",compress_chksum"); | |
602a16d5 DJ |
1670 | |
1671 | if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS) | |
1672 | seq_printf(seq, ",compress_mode=%s", "fs"); | |
1673 | else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER) | |
1674 | seq_printf(seq, ",compress_mode=%s", "user"); | |
4c8ff709 | 1675 | } |
cd6ee739 | 1676 | #endif |
4c8ff709 | 1677 | |
aff063e2 JK |
1678 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1679 | { | |
1680 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1681 | ||
bbbc34fd CY |
1682 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1683 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1684 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1685 | seq_printf(seq, ",background_gc=%s", "on"); | |
1686 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1687 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1688 | |
5911d2d1 CY |
1689 | if (test_opt(sbi, GC_MERGE)) |
1690 | seq_puts(seq, ",gc_merge"); | |
1691 | ||
aff063e2 JK |
1692 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1693 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1694 | if (test_opt(sbi, NORECOVERY)) |
1695 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1696 | if (test_opt(sbi, DISCARD)) |
1697 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1698 | else |
1699 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1700 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1701 | seq_puts(seq, ",no_heap"); |
1702 | else | |
1703 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1704 | #ifdef CONFIG_F2FS_FS_XATTR |
1705 | if (test_opt(sbi, XATTR_USER)) | |
1706 | seq_puts(seq, ",user_xattr"); | |
1707 | else | |
1708 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1709 | if (test_opt(sbi, INLINE_XATTR)) |
1710 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1711 | else |
1712 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1713 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1714 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1715 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1716 | #endif |
1717 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1718 | if (test_opt(sbi, POSIX_ACL)) | |
1719 | seq_puts(seq, ",acl"); | |
1720 | else | |
1721 | seq_puts(seq, ",noacl"); | |
1722 | #endif | |
1723 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1724 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1725 | if (test_opt(sbi, INLINE_DATA)) |
1726 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1727 | else |
1728 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1729 | if (test_opt(sbi, INLINE_DENTRY)) |
1730 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1731 | else |
1732 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1733 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1734 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1735 | if (test_opt(sbi, NOBARRIER)) |
1736 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1737 | if (test_opt(sbi, FASTBOOT)) |
1738 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1739 | if (test_opt(sbi, EXTENT_CACHE)) |
1740 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1741 | else |
1742 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1743 | if (test_opt(sbi, DATA_FLUSH)) |
1744 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1745 | |
1746 | seq_puts(seq, ",mode="); | |
b0332a0f | 1747 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1748 | seq_puts(seq, "adaptive"); |
b0332a0f | 1749 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1750 | seq_puts(seq, "lfs"); |
63189b78 | 1751 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1752 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1753 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1754 | F2FS_OPTION(sbi).root_reserved_blocks, |
1755 | from_kuid_munged(&init_user_ns, | |
1756 | F2FS_OPTION(sbi).s_resuid), | |
1757 | from_kgid_munged(&init_user_ns, | |
1758 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1759 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1760 | seq_printf(seq, ",io_bits=%u", |
1761 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1762 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1763 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1764 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1765 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1766 | seq_printf(seq, ",fault_type=%u", |
1767 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1768 | } | |
0cc0dec2 | 1769 | #endif |
0abd675e | 1770 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1771 | if (test_opt(sbi, QUOTA)) |
1772 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1773 | if (test_opt(sbi, USRQUOTA)) |
1774 | seq_puts(seq, ",usrquota"); | |
1775 | if (test_opt(sbi, GRPQUOTA)) | |
1776 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1777 | if (test_opt(sbi, PRJQUOTA)) |
1778 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1779 | #endif |
4b2414d0 | 1780 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1781 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1782 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1783 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1784 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
ed318a6c EB |
1785 | |
1786 | fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb); | |
aff063e2 | 1787 | |
27aacd28 ST |
1788 | if (sbi->sb->s_flags & SB_INLINECRYPT) |
1789 | seq_puts(seq, ",inlinecrypt"); | |
1790 | ||
63189b78 | 1791 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1792 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1793 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1794 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1795 | |
4354994f | 1796 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1797 | seq_printf(seq, ",checkpoint=disable:%u", |
1798 | F2FS_OPTION(sbi).unusable_cap); | |
261eeb9c DJ |
1799 | if (test_opt(sbi, MERGE_CHECKPOINT)) |
1800 | seq_puts(seq, ",checkpoint_merge"); | |
1801 | else | |
1802 | seq_puts(seq, ",nocheckpoint_merge"); | |
63189b78 | 1803 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1804 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1805 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1806 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1807 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1808 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 | 1809 | |
1f0b067b | 1810 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 1811 | f2fs_show_compress_options(seq, sbi->sb); |
1f0b067b | 1812 | #endif |
093749e2 CY |
1813 | |
1814 | if (test_opt(sbi, ATGC)) | |
1815 | seq_puts(seq, ",atgc"); | |
aff063e2 JK |
1816 | return 0; |
1817 | } | |
1818 | ||
498c5e9f YH |
1819 | static void default_options(struct f2fs_sb_info *sbi) |
1820 | { | |
1821 | /* init some FS parameters */ | |
d0b9e42a | 1822 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE; |
63189b78 CY |
1823 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; |
1824 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1825 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1826 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
0aa7e0f8 CY |
1827 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1828 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 1829 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
1830 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
1831 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
602a16d5 | 1832 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; |
bbbc34fd | 1833 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
498c5e9f | 1834 | |
27aacd28 ST |
1835 | sbi->sb->s_flags &= ~SB_INLINECRYPT; |
1836 | ||
39133a50 | 1837 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1838 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1839 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1840 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1841 | set_opt(sbi, NOHEAP); |
4354994f | 1842 | clear_opt(sbi, DISABLE_CHECKPOINT); |
b5d15199 | 1843 | set_opt(sbi, MERGE_CHECKPOINT); |
4d3aed70 | 1844 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1845 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1846 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1847 | set_opt(sbi, DISCARD); |
7beb01f7 | 1848 | if (f2fs_sb_has_blkzoned(sbi)) |
b0332a0f | 1849 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
a39e5365 | 1850 | else |
b0332a0f | 1851 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
498c5e9f YH |
1852 | |
1853 | #ifdef CONFIG_F2FS_FS_XATTR | |
1854 | set_opt(sbi, XATTR_USER); | |
1855 | #endif | |
1856 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1857 | set_opt(sbi, POSIX_ACL); | |
1858 | #endif | |
36dbd328 | 1859 | |
d494500a | 1860 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1861 | } |
1862 | ||
ea676733 JK |
1863 | #ifdef CONFIG_QUOTA |
1864 | static int f2fs_enable_quotas(struct super_block *sb); | |
1865 | #endif | |
4354994f DR |
1866 | |
1867 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1868 | { | |
812a9597 | 1869 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1870 | struct cp_control cpc; |
812a9597 JK |
1871 | int err = 0; |
1872 | int ret; | |
4d3aed70 | 1873 | block_t unusable; |
4354994f | 1874 | |
812a9597 | 1875 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1876 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1877 | return -EINVAL; |
1878 | } | |
4354994f DR |
1879 | sbi->sb->s_flags |= SB_ACTIVE; |
1880 | ||
4354994f DR |
1881 | f2fs_update_time(sbi, DISABLE_TIME); |
1882 | ||
1883 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
fb24fea7 | 1884 | down_write(&sbi->gc_lock); |
7dede886 | 1885 | err = f2fs_gc(sbi, true, false, false, NULL_SEGNO); |
812a9597 JK |
1886 | if (err == -ENODATA) { |
1887 | err = 0; | |
4354994f | 1888 | break; |
812a9597 | 1889 | } |
8f31b466 | 1890 | if (err && err != -EAGAIN) |
812a9597 | 1891 | break; |
4354994f | 1892 | } |
4354994f | 1893 | |
812a9597 JK |
1894 | ret = sync_filesystem(sbi->sb); |
1895 | if (ret || err) { | |
5f029c04 | 1896 | err = ret ? ret : err; |
812a9597 JK |
1897 | goto restore_flag; |
1898 | } | |
4354994f | 1899 | |
4d3aed70 DR |
1900 | unusable = f2fs_get_unusable_blocks(sbi); |
1901 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1902 | err = -EAGAIN; |
1903 | goto restore_flag; | |
1904 | } | |
4354994f | 1905 | |
fb24fea7 | 1906 | down_write(&sbi->gc_lock); |
4354994f DR |
1907 | cpc.reason = CP_PAUSE; |
1908 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1909 | err = f2fs_write_checkpoint(sbi, &cpc); |
1910 | if (err) | |
1911 | goto out_unlock; | |
4354994f | 1912 | |
c9c8ed50 | 1913 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1914 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1915 | spin_unlock(&sbi->stat_lock); |
1916 | ||
896285ad | 1917 | out_unlock: |
fb24fea7 | 1918 | up_write(&sbi->gc_lock); |
812a9597 | 1919 | restore_flag: |
7a88ddb5 | 1920 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 1921 | return err; |
4354994f DR |
1922 | } |
1923 | ||
1924 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1925 | { | |
b0ff4fe7 JK |
1926 | /* we should flush all the data to keep data consistency */ |
1927 | sync_inodes_sb(sbi->sb); | |
1928 | ||
fb24fea7 | 1929 | down_write(&sbi->gc_lock); |
4354994f DR |
1930 | f2fs_dirty_to_prefree(sbi); |
1931 | ||
1932 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1933 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
fb24fea7 | 1934 | up_write(&sbi->gc_lock); |
4354994f DR |
1935 | |
1936 | f2fs_sync_fs(sbi->sb, 1); | |
1937 | } | |
1938 | ||
696c018c NJ |
1939 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1940 | { | |
1941 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1942 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1943 | unsigned long old_sb_flags; |
63189b78 | 1944 | int err; |
3fd97359 CY |
1945 | bool need_restart_gc = false, need_stop_gc = false; |
1946 | bool need_restart_ckpt = false, need_stop_ckpt = false; | |
1947 | bool need_restart_flush = false, need_stop_flush = false; | |
9cd81ce3 | 1948 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f | 1949 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 1950 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
093749e2 | 1951 | bool no_atgc = !test_opt(sbi, ATGC); |
4354994f | 1952 | bool checkpoint_changed; |
4b2414d0 | 1953 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1954 | int i, j; |
1955 | #endif | |
696c018c NJ |
1956 | |
1957 | /* | |
1958 | * Save the old mount options in case we | |
1959 | * need to restore them. | |
1960 | */ | |
1961 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1962 | old_sb_flags = sb->s_flags; |
696c018c | 1963 | |
4b2414d0 | 1964 | #ifdef CONFIG_QUOTA |
63189b78 | 1965 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1966 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1967 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1968 | org_mount_opt.s_qf_names[i] = | |
1969 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1970 | GFP_KERNEL); | |
1971 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1972 | for (j = 0; j < i; j++) |
ba87a45c | 1973 | kfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1974 | return -ENOMEM; |
1975 | } | |
1976 | } else { | |
63189b78 | 1977 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1978 | } |
1979 | } | |
1980 | #endif | |
1981 | ||
df728b0f | 1982 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1983 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1984 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1985 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1986 | err); | |
df728b0f JK |
1987 | if (!err) |
1988 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1989 | } | |
1990 | ||
498c5e9f | 1991 | default_options(sbi); |
26666c8a | 1992 | |
696c018c | 1993 | /* parse mount options */ |
ed318a6c | 1994 | err = parse_options(sb, data, true); |
696c018c NJ |
1995 | if (err) |
1996 | goto restore_opts; | |
4354994f DR |
1997 | checkpoint_changed = |
1998 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1999 | |
2000 | /* | |
2001 | * Previous and new state of filesystem is RO, | |
876dc59e | 2002 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 2003 | */ |
1751e8a6 | 2004 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
2005 | goto skip; |
2006 | ||
ea676733 | 2007 | #ifdef CONFIG_QUOTA |
1751e8a6 | 2008 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
2009 | err = dquot_suspend(sb, -1); |
2010 | if (err < 0) | |
2011 | goto restore_opts; | |
4354994f | 2012 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 2013 | /* dquot_resume needs RW */ |
1751e8a6 | 2014 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
2015 | if (sb_any_quota_suspended(sb)) { |
2016 | dquot_resume(sb, -1); | |
7beb01f7 | 2017 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
2018 | err = f2fs_enable_quotas(sb); |
2019 | if (err) | |
2020 | goto restore_opts; | |
2021 | } | |
0abd675e | 2022 | } |
ea676733 | 2023 | #endif |
093749e2 CY |
2024 | /* disallow enable atgc dynamically */ |
2025 | if (no_atgc == !!test_opt(sbi, ATGC)) { | |
2026 | err = -EINVAL; | |
2027 | f2fs_warn(sbi, "switch atgc option is not allowed"); | |
2028 | goto restore_opts; | |
2029 | } | |
2030 | ||
9cd81ce3 CY |
2031 | /* disallow enable/disable extent_cache dynamically */ |
2032 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
2033 | err = -EINVAL; | |
dcbb4c10 | 2034 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
2035 | goto restore_opts; |
2036 | } | |
2037 | ||
1f78adfa CY |
2038 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
2039 | err = -EINVAL; | |
2040 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
2041 | goto restore_opts; | |
2042 | } | |
2043 | ||
4354994f DR |
2044 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
2045 | err = -EINVAL; | |
dcbb4c10 | 2046 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
2047 | goto restore_opts; |
2048 | } | |
2049 | ||
696c018c NJ |
2050 | /* |
2051 | * We stop the GC thread if FS is mounted as RO | |
2052 | * or if background_gc = off is passed in mount | |
2053 | * option. Also sync the filesystem. | |
2054 | */ | |
bbbc34fd | 2055 | if ((*flags & SB_RDONLY) || |
5911d2d1 CY |
2056 | (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF && |
2057 | !test_opt(sbi, GC_MERGE))) { | |
696c018c | 2058 | if (sbi->gc_thread) { |
4d57b86d | 2059 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2060 | need_restart_gc = true; |
696c018c | 2061 | } |
aba291b3 | 2062 | } else if (!sbi->gc_thread) { |
4d57b86d | 2063 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
2064 | if (err) |
2065 | goto restore_opts; | |
876dc59e GZ |
2066 | need_stop_gc = true; |
2067 | } | |
2068 | ||
63189b78 CY |
2069 | if (*flags & SB_RDONLY || |
2070 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
2071 | sync_inodes_sb(sb); |
2072 | ||
2073 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
2074 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
2075 | f2fs_sync_fs(sb, 1); | |
2076 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
2077 | } | |
2078 | ||
3f7070b0 CY |
2079 | if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) || |
2080 | !test_opt(sbi, MERGE_CHECKPOINT)) { | |
2081 | f2fs_stop_ckpt_thread(sbi); | |
3fd97359 | 2082 | need_restart_ckpt = true; |
3f7070b0 | 2083 | } else { |
261eeb9c DJ |
2084 | err = f2fs_start_ckpt_thread(sbi); |
2085 | if (err) { | |
2086 | f2fs_err(sbi, | |
2087 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
2088 | err); | |
2089 | goto restore_gc; | |
2090 | } | |
3fd97359 | 2091 | need_stop_ckpt = true; |
261eeb9c DJ |
2092 | } |
2093 | ||
876dc59e GZ |
2094 | /* |
2095 | * We stop issue flush thread if FS is mounted as RO | |
2096 | * or if flush_merge is not passed in mount option. | |
2097 | */ | |
1751e8a6 | 2098 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 2099 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 2100 | f2fs_destroy_flush_cmd_control(sbi, false); |
3fd97359 | 2101 | need_restart_flush = true; |
5eba8c5d | 2102 | } else { |
4d57b86d | 2103 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 2104 | if (err) |
3fd97359 CY |
2105 | goto restore_ckpt; |
2106 | need_stop_flush = true; | |
696c018c | 2107 | } |
3fd97359 CY |
2108 | |
2109 | if (checkpoint_changed) { | |
2110 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
2111 | err = f2fs_disable_checkpoint(sbi); | |
2112 | if (err) | |
2113 | goto restore_flush; | |
2114 | } else { | |
2115 | f2fs_enable_checkpoint(sbi); | |
2116 | } | |
2117 | } | |
2118 | ||
696c018c | 2119 | skip: |
4b2414d0 CY |
2120 | #ifdef CONFIG_QUOTA |
2121 | /* Release old quota file names */ | |
2122 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 2123 | kfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 2124 | #endif |
696c018c | 2125 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
2126 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
2127 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 2128 | |
7e65be49 | 2129 | limit_reserve_root(sbi); |
1ae18f71 | 2130 | adjust_unusable_cap_perc(sbi); |
095680f2 | 2131 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 2132 | return 0; |
3fd97359 CY |
2133 | restore_flush: |
2134 | if (need_restart_flush) { | |
2135 | if (f2fs_create_flush_cmd_control(sbi)) | |
2136 | f2fs_warn(sbi, "background flush thread has stopped"); | |
2137 | } else if (need_stop_flush) { | |
2138 | clear_opt(sbi, FLUSH_MERGE); | |
2139 | f2fs_destroy_flush_cmd_control(sbi, false); | |
2140 | } | |
2141 | restore_ckpt: | |
2142 | if (need_restart_ckpt) { | |
2143 | if (f2fs_start_ckpt_thread(sbi)) | |
2144 | f2fs_warn(sbi, "background ckpt thread has stopped"); | |
2145 | } else if (need_stop_ckpt) { | |
2146 | f2fs_stop_ckpt_thread(sbi); | |
2147 | } | |
876dc59e GZ |
2148 | restore_gc: |
2149 | if (need_restart_gc) { | |
4d57b86d | 2150 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 2151 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 2152 | } else if (need_stop_gc) { |
4d57b86d | 2153 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2154 | } |
696c018c | 2155 | restore_opts: |
4b2414d0 | 2156 | #ifdef CONFIG_QUOTA |
63189b78 | 2157 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 2158 | for (i = 0; i < MAXQUOTAS; i++) { |
ba87a45c | 2159 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 2160 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
2161 | } |
2162 | #endif | |
696c018c | 2163 | sbi->mount_opt = org_mount_opt; |
0abd675e | 2164 | sb->s_flags = old_sb_flags; |
696c018c NJ |
2165 | return err; |
2166 | } | |
2167 | ||
0abd675e CY |
2168 | #ifdef CONFIG_QUOTA |
2169 | /* Read data from quotafile */ | |
2170 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
2171 | size_t len, loff_t off) | |
2172 | { | |
2173 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2174 | struct address_space *mapping = inode->i_mapping; | |
2175 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
2176 | int offset = off & (sb->s_blocksize - 1); | |
2177 | int tocopy; | |
2178 | size_t toread; | |
2179 | loff_t i_size = i_size_read(inode); | |
2180 | struct page *page; | |
2181 | char *kaddr; | |
2182 | ||
2183 | if (off > i_size) | |
2184 | return 0; | |
2185 | ||
2186 | if (off + len > i_size) | |
2187 | len = i_size - off; | |
2188 | toread = len; | |
2189 | while (toread > 0) { | |
2190 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
2191 | repeat: | |
02117b8a | 2192 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
2193 | if (IS_ERR(page)) { |
2194 | if (PTR_ERR(page) == -ENOMEM) { | |
5df7731f CY |
2195 | congestion_wait(BLK_RW_ASYNC, |
2196 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
2197 | goto repeat; |
2198 | } | |
af033b2a | 2199 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2200 | return PTR_ERR(page); |
4e46a023 | 2201 | } |
0abd675e CY |
2202 | |
2203 | lock_page(page); | |
2204 | ||
2205 | if (unlikely(page->mapping != mapping)) { | |
2206 | f2fs_put_page(page, 1); | |
2207 | goto repeat; | |
2208 | } | |
2209 | if (unlikely(!PageUptodate(page))) { | |
2210 | f2fs_put_page(page, 1); | |
af033b2a | 2211 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
2212 | return -EIO; |
2213 | } | |
2214 | ||
2215 | kaddr = kmap_atomic(page); | |
2216 | memcpy(data, kaddr + offset, tocopy); | |
2217 | kunmap_atomic(kaddr); | |
2218 | f2fs_put_page(page, 1); | |
2219 | ||
2220 | offset = 0; | |
2221 | toread -= tocopy; | |
2222 | data += tocopy; | |
2223 | blkidx++; | |
2224 | } | |
2225 | return len; | |
2226 | } | |
2227 | ||
2228 | /* Write to quotafile */ | |
2229 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
2230 | const char *data, size_t len, loff_t off) | |
2231 | { | |
2232 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2233 | struct address_space *mapping = inode->i_mapping; | |
2234 | const struct address_space_operations *a_ops = mapping->a_ops; | |
2235 | int offset = off & (sb->s_blocksize - 1); | |
2236 | size_t towrite = len; | |
2237 | struct page *page; | |
62f63eea | 2238 | void *fsdata = NULL; |
0abd675e CY |
2239 | char *kaddr; |
2240 | int err = 0; | |
2241 | int tocopy; | |
2242 | ||
2243 | while (towrite > 0) { | |
2244 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
2245 | towrite); | |
4e46a023 | 2246 | retry: |
0abd675e | 2247 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
62f63eea | 2248 | &page, &fsdata); |
4e46a023 JK |
2249 | if (unlikely(err)) { |
2250 | if (err == -ENOMEM) { | |
5df7731f CY |
2251 | congestion_wait(BLK_RW_ASYNC, |
2252 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
2253 | goto retry; |
2254 | } | |
af033b2a | 2255 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2256 | break; |
4e46a023 | 2257 | } |
0abd675e CY |
2258 | |
2259 | kaddr = kmap_atomic(page); | |
2260 | memcpy(kaddr + offset, data, tocopy); | |
2261 | kunmap_atomic(kaddr); | |
2262 | flush_dcache_page(page); | |
2263 | ||
2264 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 2265 | page, fsdata); |
0abd675e CY |
2266 | offset = 0; |
2267 | towrite -= tocopy; | |
2268 | off += tocopy; | |
2269 | data += tocopy; | |
2270 | cond_resched(); | |
2271 | } | |
2272 | ||
2273 | if (len == towrite) | |
6e5b5d41 | 2274 | return err; |
0abd675e CY |
2275 | inode->i_mtime = inode->i_ctime = current_time(inode); |
2276 | f2fs_mark_inode_dirty_sync(inode, false); | |
2277 | return len - towrite; | |
2278 | } | |
2279 | ||
2280 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
2281 | { | |
2282 | return F2FS_I(inode)->i_dquot; | |
2283 | } | |
2284 | ||
2285 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
2286 | { | |
2287 | return &F2FS_I(inode)->i_reserved_quota; | |
2288 | } | |
2289 | ||
4b2414d0 CY |
2290 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2291 | { | |
af033b2a | 2292 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2293 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2294 | return 0; |
2295 | } | |
2296 | ||
63189b78 CY |
2297 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2298 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2299 | } |
2300 | ||
ea676733 | 2301 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2302 | { |
ea676733 JK |
2303 | int enabled = 0; |
2304 | int i, err; | |
2305 | ||
7beb01f7 | 2306 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2307 | err = f2fs_enable_quotas(sbi->sb); |
2308 | if (err) { | |
dcbb4c10 | 2309 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2310 | return 0; |
2311 | } | |
2312 | return 1; | |
2313 | } | |
4b2414d0 CY |
2314 | |
2315 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2316 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2317 | err = f2fs_quota_on_mount(sbi, i); |
2318 | if (!err) { | |
2319 | enabled = 1; | |
2320 | continue; | |
2321 | } | |
dcbb4c10 JP |
2322 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2323 | err, i); | |
4b2414d0 CY |
2324 | } |
2325 | } | |
ea676733 JK |
2326 | return enabled; |
2327 | } | |
2328 | ||
2329 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2330 | unsigned int flags) | |
2331 | { | |
2332 | struct inode *qf_inode; | |
2333 | unsigned long qf_inum; | |
2334 | int err; | |
2335 | ||
7beb01f7 | 2336 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2337 | |
2338 | qf_inum = f2fs_qf_ino(sb, type); | |
2339 | if (!qf_inum) | |
2340 | return -EPERM; | |
2341 | ||
2342 | qf_inode = f2fs_iget(sb, qf_inum); | |
2343 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2344 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2345 | return PTR_ERR(qf_inode); |
2346 | } | |
2347 | ||
2348 | /* Don't account quota for quota files to avoid recursion */ | |
2349 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2350 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2351 | iput(qf_inode); |
2352 | return err; | |
2353 | } | |
2354 | ||
2355 | static int f2fs_enable_quotas(struct super_block *sb) | |
2356 | { | |
dcbb4c10 | 2357 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2358 | int type, err = 0; |
2359 | unsigned long qf_inum; | |
2360 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2361 | test_opt(sbi, USRQUOTA), |
2362 | test_opt(sbi, GRPQUOTA), | |
2363 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2364 | }; |
2365 | ||
af033b2a | 2366 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2367 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2368 | return 0; |
2369 | } | |
2370 | ||
2371 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2372 | ||
ea676733 JK |
2373 | for (type = 0; type < MAXQUOTAS; type++) { |
2374 | qf_inum = f2fs_qf_ino(sb, type); | |
2375 | if (qf_inum) { | |
2376 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2377 | DQUOT_USAGE_ENABLED | | |
2378 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2379 | if (err) { | |
dcbb4c10 JP |
2380 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2381 | type, err); | |
ea676733 JK |
2382 | for (type--; type >= 0; type--) |
2383 | dquot_quota_off(sb, type); | |
af033b2a CY |
2384 | set_sbi_flag(F2FS_SB(sb), |
2385 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2386 | return err; |
2387 | } | |
4b2414d0 CY |
2388 | } |
2389 | } | |
ea676733 | 2390 | return 0; |
4b2414d0 CY |
2391 | } |
2392 | ||
af033b2a | 2393 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2394 | { |
af033b2a | 2395 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2396 | struct quota_info *dqopt = sb_dqopt(sb); |
2397 | int cnt; | |
2398 | int ret; | |
2399 | ||
db6ec53b JK |
2400 | /* |
2401 | * do_quotactl | |
2402 | * f2fs_quota_sync | |
2403 | * down_read(quota_sem) | |
2404 | * dquot_writeback_dquots() | |
2405 | * f2fs_dquot_commit | |
2406 | * block_operation | |
2407 | * down_read(quota_sem) | |
2408 | */ | |
2409 | f2fs_lock_op(sbi); | |
2410 | ||
2411 | down_read(&sbi->quota_sem); | |
0abd675e CY |
2412 | ret = dquot_writeback_dquots(sb, type); |
2413 | if (ret) | |
af033b2a | 2414 | goto out; |
0abd675e CY |
2415 | |
2416 | /* | |
2417 | * Now when everything is written we can discard the pagecache so | |
2418 | * that userspace sees the changes. | |
2419 | */ | |
2420 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
2421 | struct address_space *mapping; |
2422 | ||
0abd675e CY |
2423 | if (type != -1 && cnt != type) |
2424 | continue; | |
2425 | if (!sb_has_quota_active(sb, cnt)) | |
2426 | continue; | |
2427 | ||
af033b2a CY |
2428 | mapping = dqopt->files[cnt]->i_mapping; |
2429 | ||
2430 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 2431 | if (ret) |
af033b2a CY |
2432 | goto out; |
2433 | ||
2434 | /* if we are using journalled quota */ | |
2435 | if (is_journalled_quota(sbi)) | |
2436 | continue; | |
2437 | ||
2438 | ret = filemap_fdatawait(mapping); | |
2439 | if (ret) | |
2440 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
2441 | |
2442 | inode_lock(dqopt->files[cnt]); | |
2443 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
2444 | inode_unlock(dqopt->files[cnt]); | |
2445 | } | |
af033b2a CY |
2446 | out: |
2447 | if (ret) | |
2448 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
2449 | up_read(&sbi->quota_sem); |
2450 | f2fs_unlock_op(sbi); | |
af033b2a | 2451 | return ret; |
0abd675e CY |
2452 | } |
2453 | ||
2454 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2455 | const struct path *path) | |
2456 | { | |
2457 | struct inode *inode; | |
2458 | int err; | |
2459 | ||
fe973b06 CY |
2460 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2461 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2462 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2463 | return -EBUSY; | |
2464 | } | |
2465 | ||
9a20d391 | 2466 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2467 | if (err) |
2468 | return err; | |
2469 | ||
2470 | err = dquot_quota_on(sb, type, format_id, path); | |
2471 | if (err) | |
2472 | return err; | |
2473 | ||
2474 | inode = d_inode(path->dentry); | |
2475 | ||
2476 | inode_lock(inode); | |
59c84408 | 2477 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2478 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2479 | inode_unlock(inode); |
2480 | f2fs_mark_inode_dirty_sync(inode, false); | |
2481 | ||
2482 | return 0; | |
2483 | } | |
2484 | ||
fe973b06 | 2485 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2486 | { |
2487 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2488 | int err; | |
2489 | ||
2490 | if (!inode || !igrab(inode)) | |
2491 | return dquot_quota_off(sb, type); | |
2492 | ||
cda9cc59 YH |
2493 | err = f2fs_quota_sync(sb, type); |
2494 | if (err) | |
2495 | goto out_put; | |
0abd675e CY |
2496 | |
2497 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2498 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2499 | goto out_put; |
2500 | ||
2501 | inode_lock(inode); | |
59c84408 | 2502 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2503 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2504 | inode_unlock(inode); |
2505 | f2fs_mark_inode_dirty_sync(inode, false); | |
2506 | out_put: | |
2507 | iput(inode); | |
2508 | return err; | |
2509 | } | |
2510 | ||
fe973b06 CY |
2511 | static int f2fs_quota_off(struct super_block *sb, int type) |
2512 | { | |
2513 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2514 | int err; | |
2515 | ||
2516 | err = __f2fs_quota_off(sb, type); | |
2517 | ||
2518 | /* | |
2519 | * quotactl can shutdown journalled quota, result in inconsistence | |
2520 | * between quota record and fs data by following updates, tag the | |
2521 | * flag to let fsck be aware of it. | |
2522 | */ | |
2523 | if (is_journalled_quota(sbi)) | |
2524 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2525 | return err; | |
2526 | } | |
2527 | ||
4b2414d0 | 2528 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2529 | { |
2530 | int type; | |
cda9cc59 YH |
2531 | int err; |
2532 | ||
2533 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2534 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2535 | if (err) { |
2536 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2537 | |
dcbb4c10 JP |
2538 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2539 | type, err, ret); | |
af033b2a | 2540 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2541 | } |
2542 | } | |
0e0667b6 JK |
2543 | /* |
2544 | * In case of checkpoint=disable, we must flush quota blocks. | |
2545 | * This can cause NULL exception for node_inode in end_io, since | |
2546 | * put_super already dropped it. | |
2547 | */ | |
2548 | sync_filesystem(sb); | |
0abd675e CY |
2549 | } |
2550 | ||
26b5a079 SY |
2551 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2552 | { | |
2553 | struct quota_info *dqopt = sb_dqopt(sb); | |
2554 | int type; | |
2555 | ||
2556 | for (type = 0; type < MAXQUOTAS; type++) { | |
2557 | if (!dqopt->files[type]) | |
2558 | continue; | |
2559 | f2fs_inode_synced(dqopt->files[type]); | |
2560 | } | |
2561 | } | |
2562 | ||
af033b2a CY |
2563 | static int f2fs_dquot_commit(struct dquot *dquot) |
2564 | { | |
db6ec53b | 2565 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2566 | int ret; |
2567 | ||
2c4e0c52 | 2568 | down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2569 | ret = dquot_commit(dquot); |
2570 | if (ret < 0) | |
db6ec53b JK |
2571 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2572 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2573 | return ret; |
2574 | } | |
2575 | ||
2576 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2577 | { | |
db6ec53b | 2578 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2579 | int ret; |
2580 | ||
db6ec53b | 2581 | down_read(&sbi->quota_sem); |
af033b2a CY |
2582 | ret = dquot_acquire(dquot); |
2583 | if (ret < 0) | |
db6ec53b JK |
2584 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2585 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2586 | return ret; |
2587 | } | |
2588 | ||
2589 | static int f2fs_dquot_release(struct dquot *dquot) | |
2590 | { | |
db6ec53b | 2591 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2592 | int ret = dquot_release(dquot); |
af033b2a | 2593 | |
af033b2a | 2594 | if (ret < 0) |
db6ec53b | 2595 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2596 | return ret; |
2597 | } | |
2598 | ||
2599 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2600 | { | |
2601 | struct super_block *sb = dquot->dq_sb; | |
2602 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2603 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2604 | |
2605 | /* if we are using journalled quota */ | |
2606 | if (is_journalled_quota(sbi)) | |
2607 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2608 | ||
2609 | return ret; | |
2610 | } | |
2611 | ||
2612 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2613 | { | |
db6ec53b | 2614 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2615 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2616 | |
af033b2a | 2617 | if (ret < 0) |
db6ec53b | 2618 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2619 | return ret; |
2620 | } | |
26b5a079 | 2621 | |
94b1e10e | 2622 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2623 | { |
2624 | *projid = F2FS_I(inode)->i_projid; | |
2625 | return 0; | |
2626 | } | |
2627 | ||
0abd675e CY |
2628 | static const struct dquot_operations f2fs_quota_operations = { |
2629 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2630 | .write_dquot = f2fs_dquot_commit, |
2631 | .acquire_dquot = f2fs_dquot_acquire, | |
2632 | .release_dquot = f2fs_dquot_release, | |
2633 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2634 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2635 | .alloc_dquot = dquot_alloc, |
2636 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2637 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2638 | .get_next_id = dquot_get_next_id, |
2639 | }; | |
2640 | ||
2641 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2642 | .quota_on = f2fs_quota_on, | |
2643 | .quota_off = f2fs_quota_off, | |
2644 | .quota_sync = f2fs_quota_sync, | |
2645 | .get_state = dquot_get_state, | |
2646 | .set_info = dquot_set_dqinfo, | |
2647 | .get_dqblk = dquot_get_dqblk, | |
2648 | .set_dqblk = dquot_set_dqblk, | |
2649 | .get_nextdqblk = dquot_get_next_dqblk, | |
2650 | }; | |
2651 | #else | |
af033b2a CY |
2652 | int f2fs_quota_sync(struct super_block *sb, int type) |
2653 | { | |
2654 | return 0; | |
2655 | } | |
2656 | ||
4b2414d0 | 2657 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2658 | { |
2659 | } | |
2660 | #endif | |
2661 | ||
f62fc9f9 | 2662 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2663 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2664 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2665 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2666 | .write_inode = f2fs_write_inode, |
b3783873 | 2667 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2668 | .show_options = f2fs_show_options, |
0abd675e CY |
2669 | #ifdef CONFIG_QUOTA |
2670 | .quota_read = f2fs_quota_read, | |
2671 | .quota_write = f2fs_quota_write, | |
2672 | .get_dquots = f2fs_get_dquots, | |
2673 | #endif | |
aff063e2 JK |
2674 | .evict_inode = f2fs_evict_inode, |
2675 | .put_super = f2fs_put_super, | |
2676 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2677 | .freeze_fs = f2fs_freeze, |
2678 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2679 | .statfs = f2fs_statfs, |
696c018c | 2680 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2681 | }; |
2682 | ||
643fa961 | 2683 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2684 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2685 | { | |
2686 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2687 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2688 | ctx, len, NULL); | |
2689 | } | |
2690 | ||
2691 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2692 | void *fs_data) | |
2693 | { | |
b7c409de SY |
2694 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2695 | ||
2696 | /* | |
2697 | * Encrypting the root directory is not allowed because fsck | |
2698 | * expects lost+found directory to exist and remain unencrypted | |
2699 | * if LOST_FOUND feature is enabled. | |
2700 | * | |
2701 | */ | |
7beb01f7 | 2702 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2703 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2704 | return -EPERM; | |
2705 | ||
0b81d077 JK |
2706 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2707 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2708 | ctx, len, fs_data, XATTR_CREATE); | |
2709 | } | |
2710 | ||
ac4acb1f | 2711 | static const union fscrypt_policy *f2fs_get_dummy_policy(struct super_block *sb) |
ff62af20 | 2712 | { |
ac4acb1f | 2713 | return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_policy.policy; |
ff62af20 SY |
2714 | } |
2715 | ||
0eee17e3 EB |
2716 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
2717 | { | |
2718 | return true; | |
2719 | } | |
2720 | ||
2721 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
2722 | int *ino_bits_ret, int *lblk_bits_ret) | |
2723 | { | |
2724 | *ino_bits_ret = 8 * sizeof(nid_t); | |
2725 | *lblk_bits_ret = 8 * sizeof(block_t); | |
2726 | } | |
2727 | ||
27aacd28 ST |
2728 | static int f2fs_get_num_devices(struct super_block *sb) |
2729 | { | |
2730 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2731 | ||
2732 | if (f2fs_is_multi_device(sbi)) | |
2733 | return sbi->s_ndevs; | |
2734 | return 1; | |
2735 | } | |
2736 | ||
2737 | static void f2fs_get_devices(struct super_block *sb, | |
2738 | struct request_queue **devs) | |
2739 | { | |
2740 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2741 | int i; | |
2742 | ||
2743 | for (i = 0; i < sbi->s_ndevs; i++) | |
2744 | devs[i] = bdev_get_queue(FDEV(i).bdev); | |
2745 | } | |
2746 | ||
6f69f0ed | 2747 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
2748 | .key_prefix = "f2fs:", |
2749 | .get_context = f2fs_get_context, | |
2750 | .set_context = f2fs_set_context, | |
ac4acb1f | 2751 | .get_dummy_policy = f2fs_get_dummy_policy, |
0eee17e3 EB |
2752 | .empty_dir = f2fs_empty_dir, |
2753 | .max_namelen = F2FS_NAME_LEN, | |
2754 | .has_stable_inodes = f2fs_has_stable_inodes, | |
2755 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
27aacd28 ST |
2756 | .get_num_devices = f2fs_get_num_devices, |
2757 | .get_devices = f2fs_get_devices, | |
0b81d077 | 2758 | }; |
0b81d077 JK |
2759 | #endif |
2760 | ||
aff063e2 JK |
2761 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2762 | u64 ino, u32 generation) | |
2763 | { | |
2764 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2765 | struct inode *inode; | |
2766 | ||
4d57b86d | 2767 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2768 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2769 | |
2770 | /* | |
2771 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2772 | * However f2fs_iget currently does appropriate checks to handle stale | |
2773 | * inodes so everything is OK. | |
2774 | */ | |
2775 | inode = f2fs_iget(sb, ino); | |
2776 | if (IS_ERR(inode)) | |
2777 | return ERR_CAST(inode); | |
6bacf52f | 2778 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2779 | /* we didn't find the right inode.. */ |
2780 | iput(inode); | |
2781 | return ERR_PTR(-ESTALE); | |
2782 | } | |
2783 | return inode; | |
2784 | } | |
2785 | ||
2786 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2787 | int fh_len, int fh_type) | |
2788 | { | |
2789 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2790 | f2fs_nfs_get_inode); | |
2791 | } | |
2792 | ||
2793 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2794 | int fh_len, int fh_type) | |
2795 | { | |
2796 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2797 | f2fs_nfs_get_inode); | |
2798 | } | |
2799 | ||
2800 | static const struct export_operations f2fs_export_ops = { | |
2801 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2802 | .fh_to_parent = f2fs_fh_to_parent, | |
2803 | .get_parent = f2fs_get_parent, | |
2804 | }; | |
2805 | ||
6d1451bf | 2806 | loff_t max_file_blocks(struct inode *inode) |
aff063e2 | 2807 | { |
7a2af766 | 2808 | loff_t result = 0; |
6d1451bf | 2809 | loff_t leaf_count; |
aff063e2 | 2810 | |
7a2af766 CY |
2811 | /* |
2812 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2813 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2814 | * space in inode.i_addr, it will be more safe to reassign |
2815 | * result as zero. | |
2816 | */ | |
2817 | ||
6d1451bf CX |
2818 | if (inode && f2fs_compressed_file(inode)) |
2819 | leaf_count = ADDRS_PER_BLOCK(inode); | |
2820 | else | |
2821 | leaf_count = DEF_ADDRS_PER_BLOCK; | |
2822 | ||
aff063e2 JK |
2823 | /* two direct node blocks */ |
2824 | result += (leaf_count * 2); | |
2825 | ||
2826 | /* two indirect node blocks */ | |
2827 | leaf_count *= NIDS_PER_BLOCK; | |
2828 | result += (leaf_count * 2); | |
2829 | ||
2830 | /* one double indirect node block */ | |
2831 | leaf_count *= NIDS_PER_BLOCK; | |
2832 | result += leaf_count; | |
2833 | ||
aff063e2 JK |
2834 | return result; |
2835 | } | |
2836 | ||
fd694733 JK |
2837 | static int __f2fs_commit_super(struct buffer_head *bh, |
2838 | struct f2fs_super_block *super) | |
2839 | { | |
2840 | lock_buffer(bh); | |
2841 | if (super) | |
2842 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2843 | set_buffer_dirty(bh); |
2844 | unlock_buffer(bh); | |
2845 | ||
2846 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2847 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2848 | } |
2849 | ||
df728b0f | 2850 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2851 | struct buffer_head *bh) |
9a59b62f | 2852 | { |
fd694733 JK |
2853 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2854 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2855 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2856 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2857 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2858 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2859 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2860 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2861 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2862 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2863 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2864 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2865 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2866 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2867 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2868 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2869 | u64 main_end_blkaddr = main_blkaddr + |
2870 | (segment_count_main << log_blocks_per_seg); | |
2871 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2872 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2873 | |
2874 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2875 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2876 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2877 | return true; |
2878 | } | |
2879 | ||
2880 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2881 | sit_blkaddr) { | |
dcbb4c10 JP |
2882 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2883 | cp_blkaddr, sit_blkaddr, | |
2884 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2885 | return true; |
2886 | } | |
2887 | ||
2888 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2889 | nat_blkaddr) { | |
dcbb4c10 JP |
2890 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2891 | sit_blkaddr, nat_blkaddr, | |
2892 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2893 | return true; |
2894 | } | |
2895 | ||
2896 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2897 | ssa_blkaddr) { | |
dcbb4c10 JP |
2898 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2899 | nat_blkaddr, ssa_blkaddr, | |
2900 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2901 | return true; |
2902 | } | |
2903 | ||
2904 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2905 | main_blkaddr) { | |
dcbb4c10 JP |
2906 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2907 | ssa_blkaddr, main_blkaddr, | |
2908 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2909 | return true; |
2910 | } | |
2911 | ||
fd694733 | 2912 | if (main_end_blkaddr > seg_end_blkaddr) { |
d89f5891 WX |
2913 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%llu) block(%u)", |
2914 | main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 2915 | segment_count_main << log_blocks_per_seg); |
9a59b62f | 2916 | return true; |
fd694733 JK |
2917 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2918 | int err = 0; | |
2919 | char *res; | |
2920 | ||
2921 | /* fix in-memory information all the time */ | |
2922 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2923 | segment0_blkaddr) >> log_blocks_per_seg); | |
2924 | ||
2925 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2926 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2927 | res = "internally"; |
2928 | } else { | |
2929 | err = __f2fs_commit_super(bh, NULL); | |
2930 | res = err ? "failed" : "done"; | |
2931 | } | |
d89f5891 WX |
2932 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)", |
2933 | res, main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 2934 | segment_count_main << log_blocks_per_seg); |
fd694733 JK |
2935 | if (err) |
2936 | return true; | |
9a59b62f | 2937 | } |
9a59b62f CY |
2938 | return false; |
2939 | } | |
2940 | ||
df728b0f | 2941 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2942 | struct buffer_head *bh) |
aff063e2 | 2943 | { |
f99ba9ad | 2944 | block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main; |
0cfe75c5 | 2945 | block_t total_sections, blocks_per_seg; |
fd694733 JK |
2946 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2947 | (bh->b_data + F2FS_SUPER_OFFSET); | |
d440c52d JZ |
2948 | size_t crc_offset = 0; |
2949 | __u32 crc = 0; | |
2950 | ||
38fb6d0e IZ |
2951 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2952 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2953 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2954 | return -EINVAL; | |
2955 | } | |
2956 | ||
d440c52d | 2957 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2958 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2959 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2960 | if (crc_offset != | |
2961 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2962 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2963 | crc_offset); | |
38fb6d0e | 2964 | return -EFSCORRUPTED; |
d440c52d JZ |
2965 | } |
2966 | crc = le32_to_cpu(raw_super->crc); | |
2967 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2968 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2969 | return -EFSCORRUPTED; |
d440c52d JZ |
2970 | } |
2971 | } | |
aff063e2 | 2972 | |
aff063e2 | 2973 | /* Currently, support only 4KB block size */ |
e584bbe8 CY |
2974 | if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) { |
2975 | f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u", | |
2976 | le32_to_cpu(raw_super->log_blocksize), | |
2977 | F2FS_BLKSIZE_BITS); | |
38fb6d0e | 2978 | return -EFSCORRUPTED; |
a07ef784 | 2979 | } |
5c9b4692 | 2980 | |
9a59b62f CY |
2981 | /* check log blocks per segment */ |
2982 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2983 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2984 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2985 | return -EFSCORRUPTED; |
9a59b62f CY |
2986 | } |
2987 | ||
55cf9cb6 CY |
2988 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2989 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2990 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2991 | le32_to_cpu(raw_super->log_sectorsize) < | |
2992 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2993 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2994 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2995 | return -EFSCORRUPTED; |
a07ef784 | 2996 | } |
55cf9cb6 CY |
2997 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2998 | le32_to_cpu(raw_super->log_sectorsize) != | |
2999 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
3000 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
3001 | le32_to_cpu(raw_super->log_sectors_per_block), | |
3002 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 3003 | return -EFSCORRUPTED; |
a07ef784 | 3004 | } |
9a59b62f | 3005 | |
0cfe75c5 | 3006 | segment_count = le32_to_cpu(raw_super->segment_count); |
f99ba9ad | 3007 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); |
0cfe75c5 JK |
3008 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); |
3009 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3010 | total_sections = le32_to_cpu(raw_super->section_count); | |
3011 | ||
3012 | /* blocks_per_seg should be 512, given the above check */ | |
3013 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
3014 | ||
3015 | if (segment_count > F2FS_MAX_SEGMENT || | |
3016 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 3017 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 3018 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3019 | } |
3020 | ||
f99ba9ad | 3021 | if (total_sections > segment_count_main || total_sections < 1 || |
0cfe75c5 | 3022 | segs_per_sec > segment_count || !segs_per_sec) { |
dcbb4c10 JP |
3023 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
3024 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 3025 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3026 | } |
3027 | ||
3a22e9ac CY |
3028 | if (segment_count_main != total_sections * segs_per_sec) { |
3029 | f2fs_info(sbi, "Invalid segment/section count (%u != %u * %u)", | |
3030 | segment_count_main, total_sections, segs_per_sec); | |
3031 | return -EFSCORRUPTED; | |
3032 | } | |
3033 | ||
0cfe75c5 | 3034 | if ((segment_count / segs_per_sec) < total_sections) { |
dcbb4c10 JP |
3035 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
3036 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 3037 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3038 | } |
3039 | ||
88960068 | 3040 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
3041 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
3042 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 3043 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3044 | } |
3045 | ||
9f701f6c QS |
3046 | if (RDEV(0).path[0]) { |
3047 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
3048 | int i = 1; | |
3049 | ||
3050 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
3051 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
3052 | i++; | |
3053 | } | |
3054 | if (segment_count != dev_seg_count) { | |
3055 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
3056 | segment_count, dev_seg_count); | |
3057 | return -EFSCORRUPTED; | |
3058 | } | |
07eb1d69 CY |
3059 | } else { |
3060 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_BLKZONED) && | |
3061 | !bdev_is_zoned(sbi->sb->s_bdev)) { | |
3062 | f2fs_info(sbi, "Zoned block device path is missing"); | |
3063 | return -EFSCORRUPTED; | |
3064 | } | |
9f701f6c QS |
3065 | } |
3066 | ||
42bf546c | 3067 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
3068 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
3069 | secs_per_zone, total_sections); | |
38fb6d0e | 3070 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3071 | } |
3072 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
3073 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
3074 | (le32_to_cpu(raw_super->extension_count) + | |
3075 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
3076 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
3077 | le32_to_cpu(raw_super->extension_count), | |
3078 | raw_super->hot_ext_count, | |
3079 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 3080 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3081 | } |
3082 | ||
3083 | if (le32_to_cpu(raw_super->cp_payload) > | |
3084 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
3085 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
3086 | le32_to_cpu(raw_super->cp_payload), | |
3087 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 3088 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3089 | } |
3090 | ||
9a59b62f CY |
3091 | /* check reserved ino info */ |
3092 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
3093 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
3094 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
3095 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
3096 | le32_to_cpu(raw_super->node_ino), | |
3097 | le32_to_cpu(raw_super->meta_ino), | |
3098 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 3099 | return -EFSCORRUPTED; |
9a59b62f CY |
3100 | } |
3101 | ||
3102 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 3103 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 3104 | return -EFSCORRUPTED; |
9a59b62f | 3105 | |
aff063e2 JK |
3106 | return 0; |
3107 | } | |
3108 | ||
4d57b86d | 3109 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
3110 | { |
3111 | unsigned int total, fsmeta; | |
577e3495 JK |
3112 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
3113 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 3114 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 3115 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
3116 | unsigned int sit_segs, nat_segs; |
3117 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
3118 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 3119 | unsigned int segment_count_main; |
e494c2f9 | 3120 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
3121 | block_t user_block_count, valid_user_blocks; |
3122 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 3123 | int i, j; |
aff063e2 JK |
3124 | |
3125 | total = le32_to_cpu(raw_super->segment_count); | |
3126 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
3127 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
3128 | fsmeta += sit_segs; | |
3129 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
3130 | fsmeta += nat_segs; | |
aff063e2 JK |
3131 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
3132 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
3133 | ||
6bacf52f | 3134 | if (unlikely(fsmeta >= total)) |
aff063e2 | 3135 | return 1; |
577e3495 | 3136 | |
2040fce8 JK |
3137 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
3138 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
3139 | ||
f99ba9ad | 3140 | if (unlikely(fsmeta < F2FS_MIN_META_SEGMENTS || |
2040fce8 | 3141 | ovp_segments == 0 || reserved_segments == 0)) { |
dcbb4c10 | 3142 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
3143 | return 1; |
3144 | } | |
3145 | ||
9dc956b2 CY |
3146 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
3147 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
3148 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
3149 | if (!user_block_count || user_block_count >= | |
3150 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
3151 | f2fs_err(sbi, "Wrong user_block_count: %u", |
3152 | user_block_count); | |
9dc956b2 CY |
3153 | return 1; |
3154 | } | |
3155 | ||
7b63f72f CY |
3156 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
3157 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
3158 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
3159 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
3160 | return 1; |
3161 | } | |
3162 | ||
3163 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 3164 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 3165 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
3166 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
3167 | valid_node_count, avail_node_count); | |
7b63f72f CY |
3168 | return 1; |
3169 | } | |
3170 | ||
15d3042a JQ |
3171 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
3172 | blocks_per_seg = sbi->blocks_per_seg; | |
3173 | ||
3174 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
3175 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
3176 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
3177 | return 1; | |
042be0f8 CY |
3178 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
3179 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
3180 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
3181 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
3182 | i, j, | |
3183 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3184 | return 1; |
3185 | } | |
3186 | } | |
15d3042a JQ |
3187 | } |
3188 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
3189 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
3190 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
3191 | return 1; | |
042be0f8 CY |
3192 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
3193 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
3194 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
3195 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
3196 | i, j, | |
3197 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
3198 | return 1; |
3199 | } | |
3200 | } | |
3201 | } | |
3202 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 3203 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
3204 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
3205 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 3206 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
3207 | i, j, |
3208 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3209 | return 1; |
3210 | } | |
3211 | } | |
15d3042a JQ |
3212 | } |
3213 | ||
c77ec61c CY |
3214 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
3215 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
3216 | |
3217 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
3218 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
3219 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
3220 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
3221 | return 1; |
3222 | } | |
e494c2f9 CY |
3223 | |
3224 | cp_pack_start_sum = __start_sum_addr(sbi); | |
3225 | cp_payload = __cp_payload(sbi); | |
3226 | if (cp_pack_start_sum < cp_payload + 1 || | |
3227 | cp_pack_start_sum > blocks_per_seg - 1 - | |
d0b9e42a | 3228 | NR_CURSEG_PERSIST_TYPE) { |
dcbb4c10 JP |
3229 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
3230 | cp_pack_start_sum); | |
e494c2f9 CY |
3231 | return 1; |
3232 | } | |
c77ec61c | 3233 | |
5dae2d39 CY |
3234 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
3235 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
3236 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
3237 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
3238 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 3239 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
3240 | return 1; |
3241 | } | |
3242 | ||
1e968fdf | 3243 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 3244 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
3245 | return 1; |
3246 | } | |
aff063e2 JK |
3247 | return 0; |
3248 | } | |
3249 | ||
3250 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
3251 | { | |
3252 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 3253 | int i; |
aff063e2 JK |
3254 | |
3255 | sbi->log_sectors_per_block = | |
3256 | le32_to_cpu(raw_super->log_sectors_per_block); | |
3257 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
3258 | sbi->blocksize = 1 << sbi->log_blocksize; | |
3259 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
3260 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
3261 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
3262 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3263 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
3264 | sbi->total_node_count = | |
3265 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
3266 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
b9ec1094 YL |
3267 | F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino); |
3268 | F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino); | |
3269 | F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 3270 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
3271 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
3272 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 3273 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 3274 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 3275 | |
ab9fa662 | 3276 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 3277 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 3278 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
3279 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
3280 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 3281 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
3282 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
3283 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 3284 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 3285 | |
35782b23 JK |
3286 | for (i = 0; i < NR_COUNT_TYPE; i++) |
3287 | atomic_set(&sbi->nr_pages[i], 0); | |
3288 | ||
c29fd0c0 CY |
3289 | for (i = 0; i < META; i++) |
3290 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 3291 | |
2658e50d JK |
3292 | INIT_LIST_HEAD(&sbi->s_list); |
3293 | mutex_init(&sbi->umount_mutex); | |
107a805d | 3294 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 3295 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
3296 | |
3297 | sbi->dirty_device = 0; | |
3298 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 3299 | |
846ae671 | 3300 | init_rwsem(&sbi->sb_lock); |
f5a53edc | 3301 | init_rwsem(&sbi->pin_sem); |
aff063e2 JK |
3302 | } |
3303 | ||
523be8a6 JK |
3304 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
3305 | { | |
35782b23 | 3306 | int err; |
41382ec4 | 3307 | |
513c5f37 JK |
3308 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
3309 | if (err) | |
3310 | return err; | |
3311 | ||
4a70e255 | 3312 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 3313 | GFP_KERNEL); |
4a70e255 CY |
3314 | if (err) |
3315 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
3316 | ||
3317 | return err; | |
523be8a6 JK |
3318 | } |
3319 | ||
178053e2 | 3320 | #ifdef CONFIG_BLK_DEV_ZONED |
de881df9 AR |
3321 | |
3322 | struct f2fs_report_zones_args { | |
3323 | struct f2fs_dev_info *dev; | |
3324 | bool zone_cap_mismatch; | |
3325 | }; | |
3326 | ||
d4100351 | 3327 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
de881df9 | 3328 | void *data) |
d4100351 | 3329 | { |
de881df9 AR |
3330 | struct f2fs_report_zones_args *rz_args = data; |
3331 | ||
3332 | if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) | |
3333 | return 0; | |
3334 | ||
3335 | set_bit(idx, rz_args->dev->blkz_seq); | |
3336 | rz_args->dev->zone_capacity_blocks[idx] = zone->capacity >> | |
3337 | F2FS_LOG_SECTORS_PER_BLOCK; | |
3338 | if (zone->len != zone->capacity && !rz_args->zone_cap_mismatch) | |
3339 | rz_args->zone_cap_mismatch = true; | |
d4100351 | 3340 | |
d4100351 CH |
3341 | return 0; |
3342 | } | |
3343 | ||
3c62be17 | 3344 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3345 | { |
3c62be17 | 3346 | struct block_device *bdev = FDEV(devi).bdev; |
a782483c | 3347 | sector_t nr_sectors = bdev_nr_sectors(bdev); |
de881df9 | 3348 | struct f2fs_report_zones_args rep_zone_arg; |
d4100351 | 3349 | int ret; |
178053e2 | 3350 | |
7beb01f7 | 3351 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3352 | return 0; |
3353 | ||
3c62be17 | 3354 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 3355 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 3356 | return -EINVAL; |
f99e8648 | 3357 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
3358 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3359 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3360 | return -EINVAL; | |
178053e2 | 3361 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3362 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3363 | sbi->log_blocks_per_blkz; | |
f99e8648 | 3364 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 3365 | FDEV(devi).nr_blkz++; |
178053e2 | 3366 | |
0b6d4ca0 | 3367 | FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, |
95175daf DLM |
3368 | BITS_TO_LONGS(FDEV(devi).nr_blkz) |
3369 | * sizeof(unsigned long), | |
3370 | GFP_KERNEL); | |
3371 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3372 | return -ENOMEM; |
3373 | ||
de881df9 AR |
3374 | /* Get block zones type and zone-capacity */ |
3375 | FDEV(devi).zone_capacity_blocks = f2fs_kzalloc(sbi, | |
3376 | FDEV(devi).nr_blkz * sizeof(block_t), | |
3377 | GFP_KERNEL); | |
3378 | if (!FDEV(devi).zone_capacity_blocks) | |
3379 | return -ENOMEM; | |
3380 | ||
3381 | rep_zone_arg.dev = &FDEV(devi); | |
3382 | rep_zone_arg.zone_cap_mismatch = false; | |
3383 | ||
d4100351 | 3384 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
de881df9 | 3385 | &rep_zone_arg); |
d4100351 CH |
3386 | if (ret < 0) |
3387 | return ret; | |
178053e2 | 3388 | |
de881df9 AR |
3389 | if (!rep_zone_arg.zone_cap_mismatch) { |
3390 | kfree(FDEV(devi).zone_capacity_blocks); | |
3391 | FDEV(devi).zone_capacity_blocks = NULL; | |
3392 | } | |
3393 | ||
d4100351 | 3394 | return 0; |
178053e2 DLM |
3395 | } |
3396 | #endif | |
3397 | ||
9076a75f GZ |
3398 | /* |
3399 | * Read f2fs raw super block. | |
2b39e907 SL |
3400 | * Because we have two copies of super block, so read both of them |
3401 | * to get the first valid one. If any one of them is broken, we pass | |
3402 | * them recovery flag back to the caller. | |
9076a75f | 3403 | */ |
df728b0f | 3404 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3405 | struct f2fs_super_block **raw_super, |
e8240f65 | 3406 | int *valid_super_block, int *recovery) |
14d7e9de | 3407 | { |
df728b0f | 3408 | struct super_block *sb = sbi->sb; |
2b39e907 | 3409 | int block; |
e8240f65 | 3410 | struct buffer_head *bh; |
fd694733 | 3411 | struct f2fs_super_block *super; |
da554e48 | 3412 | int err = 0; |
14d7e9de | 3413 | |
b39f0de2 YH |
3414 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3415 | if (!super) | |
3416 | return -ENOMEM; | |
2b39e907 SL |
3417 | |
3418 | for (block = 0; block < 2; block++) { | |
3419 | bh = sb_bread(sb, block); | |
3420 | if (!bh) { | |
dcbb4c10 JP |
3421 | f2fs_err(sbi, "Unable to read %dth superblock", |
3422 | block + 1); | |
2b39e907 | 3423 | err = -EIO; |
ed352042 | 3424 | *recovery = 1; |
2b39e907 SL |
3425 | continue; |
3426 | } | |
14d7e9de | 3427 | |
2b39e907 | 3428 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3429 | err = sanity_check_raw_super(sbi, bh); |
3430 | if (err) { | |
dcbb4c10 JP |
3431 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3432 | block + 1); | |
2b39e907 | 3433 | brelse(bh); |
ed352042 | 3434 | *recovery = 1; |
2b39e907 SL |
3435 | continue; |
3436 | } | |
14d7e9de | 3437 | |
2b39e907 | 3438 | if (!*raw_super) { |
fd694733 JK |
3439 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3440 | sizeof(*super)); | |
2b39e907 SL |
3441 | *valid_super_block = block; |
3442 | *raw_super = super; | |
3443 | } | |
3444 | brelse(bh); | |
da554e48 | 3445 | } |
3446 | ||
da554e48 | 3447 | /* No valid superblock */ |
2b39e907 | 3448 | if (!*raw_super) |
742532d1 | 3449 | kfree(super); |
2b39e907 SL |
3450 | else |
3451 | err = 0; | |
da554e48 | 3452 | |
2b39e907 | 3453 | return err; |
14d7e9de | 3454 | } |
3455 | ||
fd694733 | 3456 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3457 | { |
5d909cdb | 3458 | struct buffer_head *bh; |
d440c52d | 3459 | __u32 crc = 0; |
26d815ad JK |
3460 | int err; |
3461 | ||
df728b0f JK |
3462 | if ((recover && f2fs_readonly(sbi->sb)) || |
3463 | bdev_read_only(sbi->sb->s_bdev)) { | |
3464 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3465 | return -EROFS; |
df728b0f | 3466 | } |
f2353d7b | 3467 | |
d440c52d | 3468 | /* we should update superblock crc here */ |
7beb01f7 | 3469 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3470 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3471 | offsetof(struct f2fs_super_block, crc)); | |
3472 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3473 | } | |
3474 | ||
fd694733 | 3475 | /* write back-up superblock first */ |
0964fc1a | 3476 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3477 | if (!bh) |
3478 | return -EIO; | |
fd694733 | 3479 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3480 | brelse(bh); |
c5bda1c8 CY |
3481 | |
3482 | /* if we are in recovery path, skip writing valid superblock */ | |
3483 | if (recover || err) | |
5d909cdb | 3484 | return err; |
26d815ad JK |
3485 | |
3486 | /* write current valid superblock */ | |
0964fc1a | 3487 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3488 | if (!bh) |
3489 | return -EIO; | |
3490 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3491 | brelse(bh); | |
3492 | return err; | |
26d815ad JK |
3493 | } |
3494 | ||
3c62be17 JK |
3495 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3496 | { | |
3497 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3498 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
3499 | int i; |
3500 | ||
7bb3a371 MS |
3501 | /* Initialize single device information */ |
3502 | if (!RDEV(0).path[0]) { | |
3503 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3504 | return 0; |
7bb3a371 MS |
3505 | max_devices = 1; |
3506 | } | |
3c62be17 | 3507 | |
7bb3a371 MS |
3508 | /* |
3509 | * Initialize multiple devices information, or single | |
3510 | * zoned block device information. | |
3511 | */ | |
026f0507 KC |
3512 | sbi->devs = f2fs_kzalloc(sbi, |
3513 | array_size(max_devices, | |
3514 | sizeof(struct f2fs_dev_info)), | |
3515 | GFP_KERNEL); | |
7bb3a371 MS |
3516 | if (!sbi->devs) |
3517 | return -ENOMEM; | |
3c62be17 | 3518 | |
7bb3a371 | 3519 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3520 | |
7bb3a371 MS |
3521 | if (i > 0 && !RDEV(i).path[0]) |
3522 | break; | |
3523 | ||
3524 | if (max_devices == 1) { | |
3525 | /* Single zoned block device mount */ | |
3526 | FDEV(0).bdev = | |
3527 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3528 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3529 | } else { |
3530 | /* Multi-device mount */ | |
3531 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3532 | FDEV(i).total_segments = | |
3533 | le32_to_cpu(RDEV(i).total_segments); | |
3534 | if (i == 0) { | |
3535 | FDEV(i).start_blk = 0; | |
3536 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3537 | (FDEV(i).total_segments << | |
3538 | sbi->log_blocks_per_seg) - 1 + | |
3539 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3540 | } else { | |
3541 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3542 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3543 | (FDEV(i).total_segments << | |
3544 | sbi->log_blocks_per_seg) - 1; | |
3545 | } | |
3546 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3547 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3548 | } |
3c62be17 JK |
3549 | if (IS_ERR(FDEV(i).bdev)) |
3550 | return PTR_ERR(FDEV(i).bdev); | |
3551 | ||
3552 | /* to release errored devices */ | |
3553 | sbi->s_ndevs = i + 1; | |
3554 | ||
3555 | #ifdef CONFIG_BLK_DEV_ZONED | |
3556 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3557 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3558 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3559 | return -EINVAL; |
3560 | } | |
3561 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3562 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3563 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3564 | return -EINVAL; |
3565 | } | |
7bb3a371 MS |
3566 | if (max_devices == 1) |
3567 | break; | |
dcbb4c10 JP |
3568 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3569 | i, FDEV(i).path, | |
3570 | FDEV(i).total_segments, | |
3571 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3572 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3573 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3574 | continue; |
3575 | } | |
3576 | #endif | |
dcbb4c10 JP |
3577 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3578 | i, FDEV(i).path, | |
3579 | FDEV(i).total_segments, | |
3580 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3581 | } | |
3582 | f2fs_info(sbi, | |
3583 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3584 | return 0; |
3585 | } | |
3586 | ||
5aba5430 DR |
3587 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3588 | { | |
3589 | #ifdef CONFIG_UNICODE | |
eca4873e | 3590 | if (f2fs_sb_has_casefold(sbi) && !sbi->sb->s_encoding) { |
5aba5430 DR |
3591 | const struct f2fs_sb_encodings *encoding_info; |
3592 | struct unicode_map *encoding; | |
3593 | __u16 encoding_flags; | |
3594 | ||
5aba5430 DR |
3595 | if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, |
3596 | &encoding_flags)) { | |
3597 | f2fs_err(sbi, | |
3598 | "Encoding requested by superblock is unknown"); | |
3599 | return -EINVAL; | |
3600 | } | |
3601 | ||
3602 | encoding = utf8_load(encoding_info->version); | |
3603 | if (IS_ERR(encoding)) { | |
3604 | f2fs_err(sbi, | |
3605 | "can't mount with superblock charset: %s-%s " | |
3606 | "not supported by the kernel. flags: 0x%x.", | |
3607 | encoding_info->name, encoding_info->version, | |
3608 | encoding_flags); | |
3609 | return PTR_ERR(encoding); | |
3610 | } | |
3611 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
3612 | "%s-%s with flags 0x%hx", encoding_info->name, | |
3613 | encoding_info->version?:"\b", encoding_flags); | |
3614 | ||
eca4873e DR |
3615 | sbi->sb->s_encoding = encoding; |
3616 | sbi->sb->s_encoding_flags = encoding_flags; | |
5aba5430 DR |
3617 | } |
3618 | #else | |
3619 | if (f2fs_sb_has_casefold(sbi)) { | |
3620 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3621 | return -EINVAL; | |
3622 | } | |
3623 | #endif | |
3624 | return 0; | |
3625 | } | |
3626 | ||
84b89e5d JK |
3627 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3628 | { | |
3629 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3630 | ||
3631 | /* adjust parameters according to the volume size */ | |
3632 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3633 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3634 | sm_i->dcc_info->discard_granularity = 1; |
3635 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3636 | } | |
4cac90d5 CY |
3637 | |
3638 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3639 | } |
3640 | ||
aff063e2 JK |
3641 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3642 | { | |
3643 | struct f2fs_sb_info *sbi; | |
da554e48 | 3644 | struct f2fs_super_block *raw_super; |
aff063e2 | 3645 | struct inode *root; |
99e3e858 | 3646 | int err; |
aa2c8c43 | 3647 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3648 | char *options = NULL; |
e8240f65 | 3649 | int recovery, i, valid_super_block; |
8f1dbbbb | 3650 | struct curseg_info *seg_i; |
aa2c8c43 | 3651 | int retry_cnt = 1; |
aff063e2 | 3652 | |
ed2e621a | 3653 | try_onemore: |
da554e48 | 3654 | err = -EINVAL; |
3655 | raw_super = NULL; | |
e8240f65 | 3656 | valid_super_block = -1; |
da554e48 | 3657 | recovery = 0; |
3658 | ||
aff063e2 JK |
3659 | /* allocate memory for f2fs-specific super block info */ |
3660 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3661 | if (!sbi) | |
3662 | return -ENOMEM; | |
3663 | ||
df728b0f JK |
3664 | sbi->sb = sb; |
3665 | ||
43b6573b KM |
3666 | /* Load the checksum driver */ |
3667 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3668 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3669 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3670 | err = PTR_ERR(sbi->s_chksum_driver); |
3671 | sbi->s_chksum_driver = NULL; | |
3672 | goto free_sbi; | |
3673 | } | |
3674 | ||
ff9234ad | 3675 | /* set a block size */ |
6bacf52f | 3676 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3677 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3678 | goto free_sbi; |
a07ef784 | 3679 | } |
aff063e2 | 3680 | |
df728b0f | 3681 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3682 | &recovery); |
9076a75f GZ |
3683 | if (err) |
3684 | goto free_sbi; | |
3685 | ||
5fb08372 | 3686 | sb->s_fs_info = sbi; |
52763a4b JK |
3687 | sbi->raw_super = raw_super; |
3688 | ||
704956ec | 3689 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3690 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3691 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3692 | sizeof(raw_super->uuid)); | |
3693 | ||
498c5e9f | 3694 | default_options(sbi); |
aff063e2 | 3695 | /* parse mount options */ |
dabc4a5c JK |
3696 | options = kstrdup((const char *)data, GFP_KERNEL); |
3697 | if (data && !options) { | |
3698 | err = -ENOMEM; | |
aff063e2 | 3699 | goto free_sb_buf; |
dabc4a5c JK |
3700 | } |
3701 | ||
ed318a6c | 3702 | err = parse_options(sb, options, false); |
dabc4a5c JK |
3703 | if (err) |
3704 | goto free_options; | |
aff063e2 | 3705 | |
6d1451bf | 3706 | sb->s_maxbytes = max_file_blocks(NULL) << |
e0afc4d6 | 3707 | le32_to_cpu(raw_super->log_blocksize); |
aff063e2 | 3708 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3709 | |
5aba5430 DR |
3710 | err = f2fs_setup_casefold(sbi); |
3711 | if (err) | |
3712 | goto free_options; | |
3713 | ||
0abd675e CY |
3714 | #ifdef CONFIG_QUOTA |
3715 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3716 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3717 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3718 | |
7beb01f7 | 3719 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3720 | for (i = 0; i < MAXQUOTAS; i++) { |
3721 | if (f2fs_qf_ino(sbi->sb, i)) | |
3722 | sbi->nquota_files++; | |
3723 | } | |
3724 | } | |
0abd675e CY |
3725 | #endif |
3726 | ||
aff063e2 | 3727 | sb->s_op = &f2fs_sops; |
643fa961 | 3728 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3729 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
3730 | #endif |
3731 | #ifdef CONFIG_FS_VERITY | |
3732 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 3733 | #endif |
aff063e2 JK |
3734 | sb->s_xattr = f2fs_xattr_handlers; |
3735 | sb->s_export_op = &f2fs_export_ops; | |
3736 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3737 | sb->s_time_gran = 1; |
1751e8a6 LT |
3738 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3739 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3740 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3741 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3742 | |
3743 | /* init f2fs-specific super block info */ | |
e8240f65 | 3744 | sbi->valid_super_block = valid_super_block; |
fb24fea7 | 3745 | init_rwsem(&sbi->gc_lock); |
853137ce | 3746 | mutex_init(&sbi->writepages); |
8769918b | 3747 | init_rwsem(&sbi->cp_global_sem); |
b3582c68 | 3748 | init_rwsem(&sbi->node_write); |
59c9081b | 3749 | init_rwsem(&sbi->node_change); |
315df839 JK |
3750 | |
3751 | /* disallow all the data/node/meta page writes */ | |
3752 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3753 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3754 | |
b0af6d49 CY |
3755 | /* init iostat info */ |
3756 | spin_lock_init(&sbi->iostat_lock); | |
3757 | sbi->iostat_enable = false; | |
2bc4bea3 | 3758 | sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS; |
b0af6d49 | 3759 | |
458e6197 | 3760 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
5f029c04 | 3761 | int n = (i == META) ? 1 : NR_TEMP_TYPE; |
a912b54d JK |
3762 | int j; |
3763 | ||
c8606593 KC |
3764 | sbi->write_io[i] = |
3765 | f2fs_kmalloc(sbi, | |
3766 | array_size(n, | |
3767 | sizeof(struct f2fs_bio_info)), | |
3768 | GFP_KERNEL); | |
b63def91 CJ |
3769 | if (!sbi->write_io[i]) { |
3770 | err = -ENOMEM; | |
0b2103e8 | 3771 | goto free_bio_info; |
b63def91 | 3772 | } |
a912b54d JK |
3773 | |
3774 | for (j = HOT; j < n; j++) { | |
3775 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3776 | sbi->write_io[i][j].sbi = sbi; | |
3777 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3778 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3779 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
0b20fcec CY |
3780 | INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); |
3781 | init_rwsem(&sbi->write_io[i][j].bio_list_lock); | |
a912b54d | 3782 | } |
458e6197 | 3783 | } |
971767ca | 3784 | |
b873b798 | 3785 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3786 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3787 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3788 | init_sb_info(sbi); |
3789 | ||
523be8a6 JK |
3790 | err = init_percpu_info(sbi); |
3791 | if (err) | |
d7997e63 | 3792 | goto free_bio_info; |
523be8a6 | 3793 | |
c72db71e | 3794 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3795 | sbi->write_io_dummy = |
a3ebfe4f | 3796 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3797 | if (!sbi->write_io_dummy) { |
3798 | err = -ENOMEM; | |
d7997e63 | 3799 | goto free_percpu; |
1727f317 | 3800 | } |
0a595eba JK |
3801 | } |
3802 | ||
a999150f CY |
3803 | /* init per sbi slab cache */ |
3804 | err = f2fs_init_xattr_caches(sbi); | |
3805 | if (err) | |
3806 | goto free_io_dummy; | |
31083031 CY |
3807 | err = f2fs_init_page_array_cache(sbi); |
3808 | if (err) | |
3809 | goto free_xattr_cache; | |
a999150f | 3810 | |
aff063e2 JK |
3811 | /* get an inode for meta space */ |
3812 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3813 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3814 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3815 | err = PTR_ERR(sbi->meta_inode); |
31083031 | 3816 | goto free_page_array_cache; |
aff063e2 JK |
3817 | } |
3818 | ||
4d57b86d | 3819 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3820 | if (err) { |
dcbb4c10 | 3821 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3822 | goto free_meta_inode; |
a07ef784 | 3823 | } |
aff063e2 | 3824 | |
af033b2a CY |
3825 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3826 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3827 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3828 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3829 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3830 | } | |
af033b2a | 3831 | |
04f0b2ea QS |
3832 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3833 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3834 | ||
3c62be17 JK |
3835 | /* Initialize device list */ |
3836 | err = f2fs_scan_devices(sbi); | |
3837 | if (err) { | |
dcbb4c10 | 3838 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3839 | goto free_devices; |
3840 | } | |
3841 | ||
4c8ff709 CY |
3842 | err = f2fs_init_post_read_wq(sbi); |
3843 | if (err) { | |
3844 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
3845 | goto free_devices; | |
3846 | } | |
3847 | ||
aff063e2 JK |
3848 | sbi->total_valid_node_count = |
3849 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3850 | percpu_counter_set(&sbi->total_valid_inode_count, |
3851 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3852 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3853 | sbi->total_valid_block_count = | |
3854 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3855 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3856 | sbi->reserved_blocks = 0; |
80d42145 | 3857 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3858 | limit_reserve_root(sbi); |
1ae18f71 | 3859 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 3860 | |
c227f912 CY |
3861 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3862 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3863 | spin_lock_init(&sbi->inode_lock[i]); | |
3864 | } | |
040d2bb3 | 3865 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3866 | |
4d57b86d | 3867 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3868 | |
4d57b86d | 3869 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3870 | |
50fa53ec CY |
3871 | f2fs_init_fsync_node_info(sbi); |
3872 | ||
261eeb9c DJ |
3873 | /* setup checkpoint request control and start checkpoint issue thread */ |
3874 | f2fs_init_ckpt_req_control(sbi); | |
3f7070b0 | 3875 | if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) && |
261eeb9c DJ |
3876 | test_opt(sbi, MERGE_CHECKPOINT)) { |
3877 | err = f2fs_start_ckpt_thread(sbi); | |
3878 | if (err) { | |
3879 | f2fs_err(sbi, | |
3880 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
3881 | err); | |
3882 | goto stop_ckpt_thread; | |
3883 | } | |
3884 | } | |
3885 | ||
aff063e2 | 3886 | /* setup f2fs internal modules */ |
4d57b86d | 3887 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3888 | if (err) { |
dcbb4c10 JP |
3889 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3890 | err); | |
aff063e2 | 3891 | goto free_sm; |
a07ef784 | 3892 | } |
4d57b86d | 3893 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3894 | if (err) { |
dcbb4c10 JP |
3895 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3896 | err); | |
aff063e2 | 3897 | goto free_nm; |
a07ef784 | 3898 | } |
aff063e2 | 3899 | |
8f1dbbbb | 3900 | /* For write statistics */ |
3a0a9cbc | 3901 | sbi->sectors_written_start = f2fs_get_sectors_written(sbi); |
8f1dbbbb SL |
3902 | |
3903 | /* Read accumulated write IO statistics if exists */ | |
3904 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3905 | if (__exist_node_summaries(sbi)) | |
3906 | sbi->kbytes_written = | |
b2dde6fc | 3907 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3908 | |
4d57b86d | 3909 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3910 | |
60aa4d55 ST |
3911 | err = f2fs_build_stats(sbi); |
3912 | if (err) | |
3913 | goto free_nm; | |
3914 | ||
aff063e2 JK |
3915 | /* get an inode for node space */ |
3916 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3917 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3918 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3919 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3920 | goto free_stats; |
aff063e2 JK |
3921 | } |
3922 | ||
aff063e2 JK |
3923 | /* read root inode and dentry */ |
3924 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3925 | if (IS_ERR(root)) { | |
dcbb4c10 | 3926 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3927 | err = PTR_ERR(root); |
60aa4d55 | 3928 | goto free_node_inode; |
aff063e2 | 3929 | } |
bcbfbd60 CY |
3930 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3931 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3932 | iput(root); |
8f99a946 | 3933 | err = -EINVAL; |
60aa4d55 | 3934 | goto free_node_inode; |
8f99a946 | 3935 | } |
aff063e2 JK |
3936 | |
3937 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3938 | if (!sb->s_root) { | |
3939 | err = -ENOMEM; | |
025cdb16 | 3940 | goto free_node_inode; |
aff063e2 JK |
3941 | } |
3942 | ||
dc6b2055 | 3943 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3944 | if (err) |
a398101a | 3945 | goto free_root_inode; |
b59d0bae | 3946 | |
ea676733 | 3947 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3948 | /* Enable quota usage during mount */ |
7beb01f7 | 3949 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3950 | err = f2fs_enable_quotas(sb); |
730746ce | 3951 | if (err) |
dcbb4c10 | 3952 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3953 | } |
3954 | #endif | |
7a88ddb5 | 3955 | /* if there are any orphan inodes, free them */ |
4d57b86d | 3956 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3957 | if (err) |
ea676733 | 3958 | goto free_meta; |
4b2414d0 | 3959 | |
4354994f | 3960 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3961 | goto reset_checkpoint; |
4354994f | 3962 | |
6437d1b0 | 3963 | /* recover fsynced data */ |
a9117eca CY |
3964 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
3965 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
3966 | /* |
3967 | * mount should be failed, when device has readonly mode, and | |
3968 | * previous checkpoint was not done by clean system shutdown. | |
3969 | */ | |
b61af314 | 3970 | if (f2fs_hw_is_readonly(sbi)) { |
23738e74 CY |
3971 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { |
3972 | err = f2fs_recover_fsync_data(sbi, true); | |
3973 | if (err > 0) { | |
3974 | err = -EROFS; | |
3975 | f2fs_err(sbi, "Need to recover fsync data, but " | |
3976 | "write access unavailable, please try " | |
3977 | "mount w/ disable_roll_forward or norecovery"); | |
3978 | } | |
3979 | if (err < 0) | |
3980 | goto free_meta; | |
3981 | } | |
3982 | f2fs_info(sbi, "write access unavailable, skipping recovery"); | |
b61af314 | 3983 | goto reset_checkpoint; |
081d78c2 | 3984 | } |
2adc3505 CY |
3985 | |
3986 | if (need_fsck) | |
3987 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3988 | ||
aa2c8c43 CY |
3989 | if (skip_recovery) |
3990 | goto reset_checkpoint; | |
a468f0ef | 3991 | |
4d57b86d | 3992 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3993 | if (err < 0) { |
aa2c8c43 CY |
3994 | if (err != -ENOMEM) |
3995 | skip_recovery = true; | |
2adc3505 | 3996 | need_fsck = true; |
dcbb4c10 JP |
3997 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3998 | err); | |
4b2414d0 | 3999 | goto free_meta; |
ed2e621a | 4000 | } |
6781eabb | 4001 | } else { |
4d57b86d | 4002 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
4003 | |
4004 | if (!f2fs_readonly(sb) && err > 0) { | |
4005 | err = -EINVAL; | |
dcbb4c10 | 4006 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 4007 | goto free_meta; |
6781eabb | 4008 | } |
6437d1b0 | 4009 | } |
d508c94e SK |
4010 | |
4011 | /* | |
4012 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
4013 | * check zoned block devices' write pointer consistency. | |
4014 | */ | |
4015 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
4016 | err = f2fs_check_write_pointer(sbi); | |
4017 | if (err) | |
4018 | goto free_meta; | |
4019 | } | |
4020 | ||
aa2c8c43 | 4021 | reset_checkpoint: |
093749e2 CY |
4022 | f2fs_init_inmem_curseg(sbi); |
4023 | ||
4d57b86d | 4024 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 4025 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 4026 | |
4354994f DR |
4027 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
4028 | err = f2fs_disable_checkpoint(sbi); | |
4029 | if (err) | |
812a9597 | 4030 | goto sync_free_meta; |
4354994f DR |
4031 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
4032 | f2fs_enable_checkpoint(sbi); | |
4033 | } | |
4034 | ||
6437d1b0 JK |
4035 | /* |
4036 | * If filesystem is not mounted as read-only then | |
4037 | * do start the gc_thread. | |
4038 | */ | |
5911d2d1 CY |
4039 | if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF || |
4040 | test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) { | |
6437d1b0 | 4041 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 4042 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 4043 | if (err) |
812a9597 | 4044 | goto sync_free_meta; |
6437d1b0 | 4045 | } |
5222595d | 4046 | kvfree(options); |
da554e48 | 4047 | |
4048 | /* recover broken superblock */ | |
f2353d7b | 4049 | if (recovery) { |
41214b3c | 4050 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
4051 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
4052 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 4053 | } |
4054 | ||
bae01eda CY |
4055 | f2fs_join_shrinker(sbi); |
4056 | ||
84b89e5d JK |
4057 | f2fs_tuning_parameters(sbi); |
4058 | ||
dcbb4c10 JP |
4059 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
4060 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 4061 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 4062 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 4063 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 4064 | return 0; |
6437d1b0 | 4065 | |
812a9597 JK |
4066 | sync_free_meta: |
4067 | /* safe to flush all the data */ | |
4068 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 4069 | retry_cnt = 0; |
812a9597 | 4070 | |
4b2414d0 | 4071 | free_meta: |
ea676733 | 4072 | #ifdef CONFIG_QUOTA |
26b5a079 | 4073 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 4074 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
4075 | f2fs_quota_off_umount(sbi->sb); |
4076 | #endif | |
4b2414d0 | 4077 | /* |
4d57b86d | 4078 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 4079 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
4080 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
4081 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
4082 | */ |
4083 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
4084 | /* evict some inodes being cached by GC */ |
4085 | evict_inodes(sb); | |
dc6b2055 | 4086 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
4087 | free_root_inode: |
4088 | dput(sb->s_root); | |
4089 | sb->s_root = NULL; | |
4090 | free_node_inode: | |
4d57b86d | 4091 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 4092 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 4093 | iput(sbi->node_inode); |
7c77bf7d | 4094 | sbi->node_inode = NULL; |
60aa4d55 ST |
4095 | free_stats: |
4096 | f2fs_destroy_stats(sbi); | |
aff063e2 | 4097 | free_nm: |
4d57b86d | 4098 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 4099 | free_sm: |
4d57b86d | 4100 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 4101 | f2fs_destroy_post_read_wq(sbi); |
261eeb9c DJ |
4102 | stop_ckpt_thread: |
4103 | f2fs_stop_ckpt_thread(sbi); | |
3c62be17 JK |
4104 | free_devices: |
4105 | destroy_device_list(sbi); | |
5222595d | 4106 | kvfree(sbi->ckpt); |
aff063e2 JK |
4107 | free_meta_inode: |
4108 | make_bad_inode(sbi->meta_inode); | |
4109 | iput(sbi->meta_inode); | |
7c77bf7d | 4110 | sbi->meta_inode = NULL; |
31083031 CY |
4111 | free_page_array_cache: |
4112 | f2fs_destroy_page_array_cache(sbi); | |
a999150f CY |
4113 | free_xattr_cache: |
4114 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
4115 | free_io_dummy: |
4116 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
4117 | free_percpu: |
4118 | destroy_percpu_info(sbi); | |
4119 | free_bio_info: | |
a912b54d | 4120 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 4121 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
4122 | |
4123 | #ifdef CONFIG_UNICODE | |
eca4873e | 4124 | utf8_unload(sb->s_encoding); |
89ff6005 | 4125 | sb->s_encoding = NULL; |
5aba5430 | 4126 | #endif |
d7997e63 | 4127 | free_options: |
4b2414d0 CY |
4128 | #ifdef CONFIG_QUOTA |
4129 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 4130 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 4131 | #endif |
ac4acb1f | 4132 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
5222595d | 4133 | kvfree(options); |
aff063e2 | 4134 | free_sb_buf: |
742532d1 | 4135 | kfree(raw_super); |
aff063e2 | 4136 | free_sbi: |
43b6573b KM |
4137 | if (sbi->s_chksum_driver) |
4138 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 4139 | kfree(sbi); |
ed2e621a JK |
4140 | |
4141 | /* give only one another chance */ | |
aa2c8c43 CY |
4142 | if (retry_cnt > 0 && skip_recovery) { |
4143 | retry_cnt--; | |
ed2e621a JK |
4144 | shrink_dcache_sb(sb); |
4145 | goto try_onemore; | |
4146 | } | |
aff063e2 JK |
4147 | return err; |
4148 | } | |
4149 | ||
4150 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
4151 | const char *dev_name, void *data) | |
4152 | { | |
4153 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
4154 | } | |
4155 | ||
30a5537f JK |
4156 | static void kill_f2fs_super(struct super_block *sb) |
4157 | { | |
cce13252 | 4158 | if (sb->s_root) { |
1cb50f87 JK |
4159 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
4160 | ||
4161 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
4162 | f2fs_stop_gc_thread(sbi); | |
4163 | f2fs_stop_discard_thread(sbi); | |
4164 | ||
4165 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
4166 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
4167 | struct cp_control cpc = { | |
4168 | .reason = CP_UMOUNT, | |
4169 | }; | |
4170 | f2fs_write_checkpoint(sbi, &cpc); | |
4171 | } | |
1378752b CY |
4172 | |
4173 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
4174 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 4175 | } |
30a5537f JK |
4176 | kill_block_super(sb); |
4177 | } | |
4178 | ||
aff063e2 JK |
4179 | static struct file_system_type f2fs_fs_type = { |
4180 | .owner = THIS_MODULE, | |
4181 | .name = "f2fs", | |
4182 | .mount = f2fs_mount, | |
30a5537f | 4183 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
4184 | .fs_flags = FS_REQUIRES_DEV, |
4185 | }; | |
7f78e035 | 4186 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 4187 | |
6e6093a8 | 4188 | static int __init init_inodecache(void) |
aff063e2 | 4189 | { |
5d097056 VD |
4190 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
4191 | sizeof(struct f2fs_inode_info), 0, | |
4192 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 4193 | if (!f2fs_inode_cachep) |
aff063e2 JK |
4194 | return -ENOMEM; |
4195 | return 0; | |
4196 | } | |
4197 | ||
4198 | static void destroy_inodecache(void) | |
4199 | { | |
4200 | /* | |
4201 | * Make sure all delayed rcu free inodes are flushed before we | |
4202 | * destroy cache. | |
4203 | */ | |
4204 | rcu_barrier(); | |
4205 | kmem_cache_destroy(f2fs_inode_cachep); | |
4206 | } | |
4207 | ||
4208 | static int __init init_f2fs_fs(void) | |
4209 | { | |
4210 | int err; | |
4211 | ||
4071e67c AP |
4212 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
4213 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
4214 | PAGE_SIZE, F2FS_BLKSIZE); | |
4215 | return -EINVAL; | |
4216 | } | |
4217 | ||
aff063e2 JK |
4218 | err = init_inodecache(); |
4219 | if (err) | |
4220 | goto fail; | |
4d57b86d | 4221 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 4222 | if (err) |
9890ff3f | 4223 | goto free_inodecache; |
4d57b86d | 4224 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 4225 | if (err) |
9890ff3f | 4226 | goto free_node_manager_caches; |
4d57b86d | 4227 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 4228 | if (err) |
06292073 | 4229 | goto free_segment_manager_caches; |
4d57b86d | 4230 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
4231 | if (err) |
4232 | goto free_checkpoint_caches; | |
093749e2 | 4233 | err = f2fs_create_garbage_collection_cache(); |
a398101a | 4234 | if (err) |
1dcc336b | 4235 | goto free_extent_cache; |
093749e2 CY |
4236 | err = f2fs_init_sysfs(); |
4237 | if (err) | |
4238 | goto free_garbage_collection_cache; | |
2658e50d | 4239 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 4240 | if (err) |
a398101a | 4241 | goto free_sysfs; |
2658e50d JK |
4242 | err = register_filesystem(&f2fs_fs_type); |
4243 | if (err) | |
4244 | goto free_shrinker; | |
21acc07d | 4245 | f2fs_create_root_stats(); |
6dbb1796 EB |
4246 | err = f2fs_init_post_read_processing(); |
4247 | if (err) | |
4248 | goto free_root_stats; | |
0b20fcec CY |
4249 | err = f2fs_init_bio_entry_cache(); |
4250 | if (err) | |
4251 | goto free_post_read; | |
f543805f CY |
4252 | err = f2fs_init_bioset(); |
4253 | if (err) | |
4254 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
4255 | err = f2fs_init_compress_mempool(); |
4256 | if (err) | |
4257 | goto free_bioset; | |
c68d6c88 CY |
4258 | err = f2fs_init_compress_cache(); |
4259 | if (err) | |
4260 | goto free_compress_mempool; | |
9890ff3f | 4261 | return 0; |
c68d6c88 CY |
4262 | free_compress_mempool: |
4263 | f2fs_destroy_compress_mempool(); | |
5e6bbde9 CY |
4264 | free_bioset: |
4265 | f2fs_destroy_bioset(); | |
f543805f CY |
4266 | free_bio_enrty_cache: |
4267 | f2fs_destroy_bio_entry_cache(); | |
0b20fcec CY |
4268 | free_post_read: |
4269 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
4270 | free_root_stats: |
4271 | f2fs_destroy_root_stats(); | |
787c7b8c | 4272 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
4273 | free_shrinker: |
4274 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 4275 | free_sysfs: |
dc6b2055 | 4276 | f2fs_exit_sysfs(); |
093749e2 CY |
4277 | free_garbage_collection_cache: |
4278 | f2fs_destroy_garbage_collection_cache(); | |
1dcc336b | 4279 | free_extent_cache: |
4d57b86d | 4280 | f2fs_destroy_extent_cache(); |
9890ff3f | 4281 | free_checkpoint_caches: |
4d57b86d | 4282 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 4283 | free_segment_manager_caches: |
4d57b86d | 4284 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 4285 | free_node_manager_caches: |
4d57b86d | 4286 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
4287 | free_inodecache: |
4288 | destroy_inodecache(); | |
aff063e2 JK |
4289 | fail: |
4290 | return err; | |
4291 | } | |
4292 | ||
4293 | static void __exit exit_f2fs_fs(void) | |
4294 | { | |
c68d6c88 | 4295 | f2fs_destroy_compress_cache(); |
5e6bbde9 | 4296 | f2fs_destroy_compress_mempool(); |
f543805f | 4297 | f2fs_destroy_bioset(); |
0b20fcec | 4298 | f2fs_destroy_bio_entry_cache(); |
6dbb1796 | 4299 | f2fs_destroy_post_read_processing(); |
4589d25d | 4300 | f2fs_destroy_root_stats(); |
aff063e2 | 4301 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 4302 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 4303 | f2fs_exit_sysfs(); |
093749e2 | 4304 | f2fs_destroy_garbage_collection_cache(); |
4d57b86d CY |
4305 | f2fs_destroy_extent_cache(); |
4306 | f2fs_destroy_checkpoint_caches(); | |
4307 | f2fs_destroy_segment_manager_caches(); | |
4308 | f2fs_destroy_node_manager_caches(); | |
aff063e2 JK |
4309 | destroy_inodecache(); |
4310 | } | |
4311 | ||
4312 | module_init(init_f2fs_fs) | |
4313 | module_exit(exit_f2fs_fs) | |
4314 | ||
4315 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
4316 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
4317 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 4318 |