Commit | Line | Data |
---|---|---|
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> |
aff063e2 JK |
28 | |
29 | #include "f2fs.h" | |
30 | #include "node.h" | |
5ec4e49f | 31 | #include "segment.h" |
aff063e2 | 32 | #include "xattr.h" |
b59d0bae | 33 | #include "gc.h" |
db9f7c1a | 34 | #include "trace.h" |
aff063e2 | 35 | |
a2a4a7e4 NJ |
36 | #define CREATE_TRACE_POINTS |
37 | #include <trace/events/f2fs.h> | |
38 | ||
aff063e2 JK |
39 | static struct kmem_cache *f2fs_inode_cachep; |
40 | ||
73faec4d | 41 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 42 | |
19880e6e | 43 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 44 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 45 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 46 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 47 | [FAULT_PAGE_GET] = "page get", |
d62fe971 | 48 | [FAULT_ALLOC_BIO] = "alloc bio", |
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, | |
4c8ff709 CY |
146 | Opt_compress_algorithm, |
147 | Opt_compress_log_size, | |
148 | Opt_compress_extension, | |
093749e2 | 149 | Opt_atgc, |
aff063e2 JK |
150 | Opt_err, |
151 | }; | |
152 | ||
153 | static match_table_t f2fs_tokens = { | |
696c018c | 154 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 155 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 156 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 157 | {Opt_discard, "discard"}, |
64058be9 | 158 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 159 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 160 | {Opt_heap, "heap"}, |
4058c511 | 161 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 162 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 163 | {Opt_acl, "acl"}, |
aff063e2 JK |
164 | {Opt_noacl, "noacl"}, |
165 | {Opt_active_logs, "active_logs=%u"}, | |
166 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 167 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 168 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 169 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 170 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 171 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 172 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 173 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 174 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 175 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 176 | {Opt_fastboot, "fastboot"}, |
89672159 | 177 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 178 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 179 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 180 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 181 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
182 | {Opt_resgid, "resgid=%u"}, |
183 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 184 | {Opt_mode, "mode=%s"}, |
ec91538d | 185 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 186 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 187 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
188 | {Opt_lazytime, "lazytime"}, |
189 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
190 | {Opt_quota, "quota"}, |
191 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
192 | {Opt_usrquota, "usrquota"}, |
193 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 194 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
195 | {Opt_usrjquota, "usrjquota=%s"}, |
196 | {Opt_grpjquota, "grpjquota=%s"}, | |
197 | {Opt_prjjquota, "prjjquota=%s"}, | |
198 | {Opt_offusrjquota, "usrjquota="}, | |
199 | {Opt_offgrpjquota, "grpjquota="}, | |
200 | {Opt_offprjjquota, "prjjquota="}, | |
201 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
202 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
203 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
0cdd3195 | 204 | {Opt_whint, "whint_mode=%s"}, |
07939627 | 205 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 206 | {Opt_fsync, "fsync_mode=%s"}, |
ed318a6c | 207 | {Opt_test_dummy_encryption, "test_dummy_encryption=%s"}, |
ff62af20 | 208 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
27aacd28 | 209 | {Opt_inlinecrypt, "inlinecrypt"}, |
4d3aed70 DR |
210 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
211 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
212 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
213 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
4c8ff709 CY |
214 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
215 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
216 | {Opt_compress_extension, "compress_extension=%s"}, | |
093749e2 | 217 | {Opt_atgc, "atgc"}, |
aff063e2 JK |
218 | {Opt_err, NULL}, |
219 | }; | |
220 | ||
dcbb4c10 | 221 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
222 | { |
223 | struct va_format vaf; | |
224 | va_list args; | |
dcbb4c10 | 225 | int level; |
a07ef784 NJ |
226 | |
227 | va_start(args, fmt); | |
dcbb4c10 JP |
228 | |
229 | level = printk_get_level(fmt); | |
230 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 231 | vaf.va = &args; |
dcbb4c10 JP |
232 | printk("%c%cF2FS-fs (%s): %pV\n", |
233 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
234 | ||
a07ef784 NJ |
235 | va_end(args); |
236 | } | |
237 | ||
5aba5430 DR |
238 | #ifdef CONFIG_UNICODE |
239 | static const struct f2fs_sb_encodings { | |
240 | __u16 magic; | |
241 | char *name; | |
242 | char *version; | |
243 | } f2fs_sb_encoding_map[] = { | |
244 | {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"}, | |
245 | }; | |
246 | ||
247 | static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, | |
248 | const struct f2fs_sb_encodings **encoding, | |
249 | __u16 *flags) | |
250 | { | |
251 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
252 | int i; | |
253 | ||
254 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
255 | if (magic == f2fs_sb_encoding_map[i].magic) | |
256 | break; | |
257 | ||
258 | if (i >= ARRAY_SIZE(f2fs_sb_encoding_map)) | |
259 | return -EINVAL; | |
260 | ||
261 | *encoding = &f2fs_sb_encoding_map[i]; | |
262 | *flags = le16_to_cpu(sb->s_encoding_flags); | |
263 | ||
264 | return 0; | |
265 | } | |
266 | #endif | |
267 | ||
7e65be49 JK |
268 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
269 | { | |
9a9aecaa DR |
270 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
271 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
272 | |
273 | /* limit is 0.2% */ | |
63189b78 CY |
274 | if (test_opt(sbi, RESERVE_ROOT) && |
275 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
276 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
277 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
278 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 279 | } |
7c2e5963 | 280 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 281 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 282 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 283 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 284 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
285 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
286 | from_kuid_munged(&init_user_ns, | |
287 | F2FS_OPTION(sbi).s_resuid), | |
288 | from_kgid_munged(&init_user_ns, | |
289 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
290 | } |
291 | ||
1ae18f71 JK |
292 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
293 | { | |
294 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
295 | return; | |
296 | ||
297 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
298 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
299 | else | |
300 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
301 | F2FS_OPTION(sbi).unusable_cap_perc; | |
302 | ||
303 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
304 | F2FS_OPTION(sbi).unusable_cap, | |
305 | F2FS_OPTION(sbi).unusable_cap_perc); | |
306 | } | |
307 | ||
aff063e2 JK |
308 | static void init_once(void *foo) |
309 | { | |
310 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
311 | ||
aff063e2 JK |
312 | inode_init_once(&fi->vfs_inode); |
313 | } | |
314 | ||
4b2414d0 CY |
315 | #ifdef CONFIG_QUOTA |
316 | static const char * const quotatypes[] = INITQFNAMES; | |
317 | #define QTYPE2NAME(t) (quotatypes[t]) | |
318 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
319 | substring_t *args) | |
320 | { | |
321 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
322 | char *qname; | |
323 | int ret = -EINVAL; | |
324 | ||
63189b78 | 325 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 326 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
327 | return -EINVAL; |
328 | } | |
7beb01f7 | 329 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 330 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
331 | return 0; |
332 | } | |
333 | ||
4b2414d0 CY |
334 | qname = match_strdup(args); |
335 | if (!qname) { | |
dcbb4c10 | 336 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 337 | return -ENOMEM; |
4b2414d0 | 338 | } |
63189b78 CY |
339 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
340 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
341 | ret = 0; |
342 | else | |
dcbb4c10 | 343 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
344 | QTYPE2NAME(qtype)); |
345 | goto errout; | |
346 | } | |
347 | if (strchr(qname, '/')) { | |
dcbb4c10 | 348 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
349 | goto errout; |
350 | } | |
63189b78 | 351 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
352 | set_opt(sbi, QUOTA); |
353 | return 0; | |
354 | errout: | |
ba87a45c | 355 | kfree(qname); |
4b2414d0 CY |
356 | return ret; |
357 | } | |
358 | ||
359 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
360 | { | |
361 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
362 | ||
63189b78 | 363 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 364 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
365 | return -EINVAL; |
366 | } | |
ba87a45c | 367 | kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 368 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
369 | return 0; |
370 | } | |
371 | ||
372 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
373 | { | |
374 | /* | |
375 | * We do the test below only for project quotas. 'usrquota' and | |
376 | * 'grpquota' mount options are allowed even without quota feature | |
377 | * to support legacy quotas in quota files. | |
378 | */ | |
7beb01f7 | 379 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 380 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
381 | return -1; |
382 | } | |
63189b78 CY |
383 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
384 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
385 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
386 | if (test_opt(sbi, USRQUOTA) && | |
387 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
388 | clear_opt(sbi, USRQUOTA); |
389 | ||
63189b78 CY |
390 | if (test_opt(sbi, GRPQUOTA) && |
391 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
392 | clear_opt(sbi, GRPQUOTA); |
393 | ||
63189b78 CY |
394 | if (test_opt(sbi, PRJQUOTA) && |
395 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
396 | clear_opt(sbi, PRJQUOTA); |
397 | ||
398 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
399 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 400 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
401 | return -1; |
402 | } | |
403 | ||
63189b78 | 404 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 405 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
406 | return -1; |
407 | } | |
408 | } | |
ea676733 | 409 | |
7beb01f7 | 410 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 411 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 412 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 413 | } |
4b2414d0 CY |
414 | return 0; |
415 | } | |
416 | #endif | |
417 | ||
ed318a6c EB |
418 | static int f2fs_set_test_dummy_encryption(struct super_block *sb, |
419 | const char *opt, | |
420 | const substring_t *arg, | |
421 | bool is_remount) | |
422 | { | |
423 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
424 | #ifdef CONFIG_FS_ENCRYPTION | |
425 | int err; | |
426 | ||
427 | if (!f2fs_sb_has_encrypt(sbi)) { | |
428 | f2fs_err(sbi, "Encrypt feature is off"); | |
429 | return -EINVAL; | |
430 | } | |
431 | ||
432 | /* | |
433 | * This mount option is just for testing, and it's not worthwhile to | |
434 | * implement the extra complexity (e.g. RCU protection) that would be | |
435 | * needed to allow it to be set or changed during remount. We do allow | |
436 | * it to be specified during remount, but only if there is no change. | |
437 | */ | |
ac4acb1f | 438 | if (is_remount && !F2FS_OPTION(sbi).dummy_enc_policy.policy) { |
ed318a6c EB |
439 | f2fs_warn(sbi, "Can't set test_dummy_encryption on remount"); |
440 | return -EINVAL; | |
441 | } | |
442 | err = fscrypt_set_test_dummy_encryption( | |
c8c868ab | 443 | sb, arg->from, &F2FS_OPTION(sbi).dummy_enc_policy); |
ed318a6c EB |
444 | if (err) { |
445 | if (err == -EEXIST) | |
446 | f2fs_warn(sbi, | |
447 | "Can't change test_dummy_encryption on remount"); | |
448 | else if (err == -EINVAL) | |
449 | f2fs_warn(sbi, "Value of option \"%s\" is unrecognized", | |
450 | opt); | |
451 | else | |
452 | f2fs_warn(sbi, "Error processing option \"%s\" [%d]", | |
453 | opt, err); | |
454 | return -EINVAL; | |
455 | } | |
456 | f2fs_warn(sbi, "Test dummy encryption mode enabled"); | |
457 | #else | |
458 | f2fs_warn(sbi, "Test dummy encryption mount option ignored"); | |
459 | #endif | |
460 | return 0; | |
461 | } | |
462 | ||
463 | static int parse_options(struct super_block *sb, char *options, bool is_remount) | |
696c018c NJ |
464 | { |
465 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
466 | substring_t args[MAX_OPT_ARGS]; | |
1f0b067b | 467 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 468 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
1f0b067b CY |
469 | int ext_cnt; |
470 | #endif | |
696c018c | 471 | char *p, *name; |
1f0b067b | 472 | int arg = 0; |
7c2e5963 JK |
473 | kuid_t uid; |
474 | kgid_t gid; | |
4b2414d0 | 475 | int ret; |
696c018c NJ |
476 | |
477 | if (!options) | |
478 | return 0; | |
479 | ||
480 | while ((p = strsep(&options, ",")) != NULL) { | |
481 | int token; | |
482 | if (!*p) | |
483 | continue; | |
484 | /* | |
485 | * Initialize args struct so we know whether arg was | |
486 | * found; some options take optional arguments. | |
487 | */ | |
488 | args[0].to = args[0].from = NULL; | |
489 | token = match_token(p, f2fs_tokens, args); | |
490 | ||
491 | switch (token) { | |
492 | case Opt_gc_background: | |
493 | name = match_strdup(&args[0]); | |
494 | ||
495 | if (!name) | |
496 | return -ENOMEM; | |
3c57f751 | 497 | if (!strcmp(name, "on")) { |
bbbc34fd | 498 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 499 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 500 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 501 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 502 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 503 | } else { |
ba87a45c | 504 | kfree(name); |
696c018c NJ |
505 | return -EINVAL; |
506 | } | |
ba87a45c | 507 | kfree(name); |
696c018c NJ |
508 | break; |
509 | case Opt_disable_roll_forward: | |
510 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
511 | break; | |
2d834bf9 JK |
512 | case Opt_norecovery: |
513 | /* this option mounts f2fs with ro */ | |
a9117eca | 514 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
515 | if (!f2fs_readonly(sb)) |
516 | return -EINVAL; | |
517 | break; | |
696c018c | 518 | case Opt_discard: |
7d20c8ab | 519 | set_opt(sbi, DISCARD); |
696c018c | 520 | break; |
64058be9 | 521 | case Opt_nodiscard: |
7beb01f7 | 522 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 523 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
524 | return -EINVAL; |
525 | } | |
64058be9 | 526 | clear_opt(sbi, DISCARD); |
487df616 | 527 | break; |
696c018c NJ |
528 | case Opt_noheap: |
529 | set_opt(sbi, NOHEAP); | |
530 | break; | |
7a20b8a6 JK |
531 | case Opt_heap: |
532 | clear_opt(sbi, NOHEAP); | |
533 | break; | |
696c018c | 534 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
535 | case Opt_user_xattr: |
536 | set_opt(sbi, XATTR_USER); | |
537 | break; | |
696c018c NJ |
538 | case Opt_nouser_xattr: |
539 | clear_opt(sbi, XATTR_USER); | |
540 | break; | |
444c580f JK |
541 | case Opt_inline_xattr: |
542 | set_opt(sbi, INLINE_XATTR); | |
543 | break; | |
23cf7212 CY |
544 | case Opt_noinline_xattr: |
545 | clear_opt(sbi, INLINE_XATTR); | |
546 | break; | |
6afc662e CY |
547 | case Opt_inline_xattr_size: |
548 | if (args->from && match_int(args, &arg)) | |
549 | return -EINVAL; | |
550 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 551 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 552 | break; |
696c018c | 553 | #else |
4058c511 | 554 | case Opt_user_xattr: |
dcbb4c10 | 555 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 556 | break; |
696c018c | 557 | case Opt_nouser_xattr: |
dcbb4c10 | 558 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 559 | break; |
444c580f | 560 | case Opt_inline_xattr: |
dcbb4c10 | 561 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 562 | break; |
23cf7212 | 563 | case Opt_noinline_xattr: |
dcbb4c10 | 564 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 565 | break; |
696c018c NJ |
566 | #endif |
567 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
568 | case Opt_acl: |
569 | set_opt(sbi, POSIX_ACL); | |
570 | break; | |
696c018c NJ |
571 | case Opt_noacl: |
572 | clear_opt(sbi, POSIX_ACL); | |
573 | break; | |
574 | #else | |
4058c511 | 575 | case Opt_acl: |
dcbb4c10 | 576 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 577 | break; |
696c018c | 578 | case Opt_noacl: |
dcbb4c10 | 579 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
580 | break; |
581 | #endif | |
582 | case Opt_active_logs: | |
583 | if (args->from && match_int(args, &arg)) | |
584 | return -EINVAL; | |
d0b9e42a CY |
585 | if (arg != 2 && arg != 4 && |
586 | arg != NR_CURSEG_PERSIST_TYPE) | |
696c018c | 587 | return -EINVAL; |
63189b78 | 588 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
589 | break; |
590 | case Opt_disable_ext_identify: | |
591 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
592 | break; | |
8274de77 HL |
593 | case Opt_inline_data: |
594 | set_opt(sbi, INLINE_DATA); | |
595 | break; | |
5efd3c6f CY |
596 | case Opt_inline_dentry: |
597 | set_opt(sbi, INLINE_DENTRY); | |
598 | break; | |
97c1794a CY |
599 | case Opt_noinline_dentry: |
600 | clear_opt(sbi, INLINE_DENTRY); | |
601 | break; | |
6b4afdd7 JK |
602 | case Opt_flush_merge: |
603 | set_opt(sbi, FLUSH_MERGE); | |
604 | break; | |
69e9e427 JK |
605 | case Opt_noflush_merge: |
606 | clear_opt(sbi, FLUSH_MERGE); | |
607 | break; | |
0f7b2abd JK |
608 | case Opt_nobarrier: |
609 | set_opt(sbi, NOBARRIER); | |
610 | break; | |
d5053a34 JK |
611 | case Opt_fastboot: |
612 | set_opt(sbi, FASTBOOT); | |
613 | break; | |
89672159 CY |
614 | case Opt_extent_cache: |
615 | set_opt(sbi, EXTENT_CACHE); | |
616 | break; | |
7daaea25 JK |
617 | case Opt_noextent_cache: |
618 | clear_opt(sbi, EXTENT_CACHE); | |
619 | break; | |
75342797 WL |
620 | case Opt_noinline_data: |
621 | clear_opt(sbi, INLINE_DATA); | |
622 | break; | |
343f40f0 CY |
623 | case Opt_data_flush: |
624 | set_opt(sbi, DATA_FLUSH); | |
625 | break; | |
7e65be49 JK |
626 | case Opt_reserve_root: |
627 | if (args->from && match_int(args, &arg)) | |
628 | return -EINVAL; | |
629 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
630 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
631 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 632 | } else { |
63189b78 | 633 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
634 | set_opt(sbi, RESERVE_ROOT); |
635 | } | |
636 | break; | |
7c2e5963 JK |
637 | case Opt_resuid: |
638 | if (args->from && match_int(args, &arg)) | |
639 | return -EINVAL; | |
640 | uid = make_kuid(current_user_ns(), arg); | |
641 | if (!uid_valid(uid)) { | |
dcbb4c10 | 642 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
643 | return -EINVAL; |
644 | } | |
63189b78 | 645 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
646 | break; |
647 | case Opt_resgid: | |
648 | if (args->from && match_int(args, &arg)) | |
649 | return -EINVAL; | |
650 | gid = make_kgid(current_user_ns(), arg); | |
651 | if (!gid_valid(gid)) { | |
dcbb4c10 | 652 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
653 | return -EINVAL; |
654 | } | |
63189b78 | 655 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 656 | break; |
36abef4e JK |
657 | case Opt_mode: |
658 | name = match_strdup(&args[0]); | |
659 | ||
660 | if (!name) | |
661 | return -ENOMEM; | |
3c57f751 | 662 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 663 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 664 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
ba87a45c | 665 | kfree(name); |
3adc57e9 DLM |
666 | return -EINVAL; |
667 | } | |
b0332a0f | 668 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 669 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 670 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
36abef4e | 671 | } else { |
ba87a45c | 672 | kfree(name); |
36abef4e JK |
673 | return -EINVAL; |
674 | } | |
ba87a45c | 675 | kfree(name); |
36abef4e | 676 | break; |
ec91538d JK |
677 | case Opt_io_size_bits: |
678 | if (args->from && match_int(args, &arg)) | |
679 | return -EINVAL; | |
6d52e135 | 680 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { |
dcbb4c10 JP |
681 | f2fs_warn(sbi, "Not support %d, larger than %d", |
682 | 1 << arg, BIO_MAX_PAGES); | |
ec91538d JK |
683 | return -EINVAL; |
684 | } | |
63189b78 | 685 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 686 | break; |
4cb037ec | 687 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
688 | case Opt_fault_injection: |
689 | if (args->from && match_int(args, &arg)) | |
690 | return -EINVAL; | |
d494500a CY |
691 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
692 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 693 | break; |
4cb037ec | 694 | |
d494500a CY |
695 | case Opt_fault_type: |
696 | if (args->from && match_int(args, &arg)) | |
697 | return -EINVAL; | |
d494500a | 698 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 699 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 700 | break; |
73faec4d | 701 | #else |
4cb037ec | 702 | case Opt_fault_injection: |
dcbb4c10 | 703 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 704 | break; |
4cb037ec CX |
705 | |
706 | case Opt_fault_type: | |
dcbb4c10 | 707 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
708 | break; |
709 | #endif | |
6d94c74a | 710 | case Opt_lazytime: |
1751e8a6 | 711 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
712 | break; |
713 | case Opt_nolazytime: | |
1751e8a6 | 714 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 715 | break; |
0abd675e | 716 | #ifdef CONFIG_QUOTA |
4b2414d0 | 717 | case Opt_quota: |
0abd675e CY |
718 | case Opt_usrquota: |
719 | set_opt(sbi, USRQUOTA); | |
720 | break; | |
721 | case Opt_grpquota: | |
722 | set_opt(sbi, GRPQUOTA); | |
723 | break; | |
5c57132e CY |
724 | case Opt_prjquota: |
725 | set_opt(sbi, PRJQUOTA); | |
726 | break; | |
4b2414d0 CY |
727 | case Opt_usrjquota: |
728 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
729 | if (ret) | |
730 | return ret; | |
731 | break; | |
732 | case Opt_grpjquota: | |
733 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
734 | if (ret) | |
735 | return ret; | |
736 | break; | |
737 | case Opt_prjjquota: | |
738 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
739 | if (ret) | |
740 | return ret; | |
741 | break; | |
742 | case Opt_offusrjquota: | |
743 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
744 | if (ret) | |
745 | return ret; | |
746 | break; | |
747 | case Opt_offgrpjquota: | |
748 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
749 | if (ret) | |
750 | return ret; | |
751 | break; | |
752 | case Opt_offprjjquota: | |
753 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
754 | if (ret) | |
755 | return ret; | |
756 | break; | |
757 | case Opt_jqfmt_vfsold: | |
63189b78 | 758 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
759 | break; |
760 | case Opt_jqfmt_vfsv0: | |
63189b78 | 761 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
762 | break; |
763 | case Opt_jqfmt_vfsv1: | |
63189b78 | 764 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
765 | break; |
766 | case Opt_noquota: | |
767 | clear_opt(sbi, QUOTA); | |
768 | clear_opt(sbi, USRQUOTA); | |
769 | clear_opt(sbi, GRPQUOTA); | |
770 | clear_opt(sbi, PRJQUOTA); | |
771 | break; | |
0abd675e | 772 | #else |
4b2414d0 | 773 | case Opt_quota: |
0abd675e CY |
774 | case Opt_usrquota: |
775 | case Opt_grpquota: | |
5c57132e | 776 | case Opt_prjquota: |
4b2414d0 CY |
777 | case Opt_usrjquota: |
778 | case Opt_grpjquota: | |
779 | case Opt_prjjquota: | |
780 | case Opt_offusrjquota: | |
781 | case Opt_offgrpjquota: | |
782 | case Opt_offprjjquota: | |
783 | case Opt_jqfmt_vfsold: | |
784 | case Opt_jqfmt_vfsv0: | |
785 | case Opt_jqfmt_vfsv1: | |
786 | case Opt_noquota: | |
dcbb4c10 | 787 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
788 | break; |
789 | #endif | |
0cdd3195 HL |
790 | case Opt_whint: |
791 | name = match_strdup(&args[0]); | |
792 | if (!name) | |
793 | return -ENOMEM; | |
3c57f751 | 794 | if (!strcmp(name, "user-based")) { |
63189b78 | 795 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
3c57f751 | 796 | } else if (!strcmp(name, "off")) { |
63189b78 | 797 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
3c57f751 | 798 | } else if (!strcmp(name, "fs-based")) { |
63189b78 | 799 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 800 | } else { |
ba87a45c | 801 | kfree(name); |
0cdd3195 HL |
802 | return -EINVAL; |
803 | } | |
ba87a45c | 804 | kfree(name); |
0cdd3195 | 805 | break; |
07939627 JK |
806 | case Opt_alloc: |
807 | name = match_strdup(&args[0]); | |
808 | if (!name) | |
809 | return -ENOMEM; | |
810 | ||
3c57f751 | 811 | if (!strcmp(name, "default")) { |
63189b78 | 812 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 813 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 814 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 815 | } else { |
ba87a45c | 816 | kfree(name); |
07939627 JK |
817 | return -EINVAL; |
818 | } | |
ba87a45c | 819 | kfree(name); |
07939627 | 820 | break; |
93cf93f1 JZ |
821 | case Opt_fsync: |
822 | name = match_strdup(&args[0]); | |
823 | if (!name) | |
824 | return -ENOMEM; | |
3c57f751 | 825 | if (!strcmp(name, "posix")) { |
63189b78 | 826 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 827 | } else if (!strcmp(name, "strict")) { |
63189b78 | 828 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 829 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
830 | F2FS_OPTION(sbi).fsync_mode = |
831 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 832 | } else { |
ba87a45c | 833 | kfree(name); |
93cf93f1 JZ |
834 | return -EINVAL; |
835 | } | |
ba87a45c | 836 | kfree(name); |
93cf93f1 | 837 | break; |
ff62af20 | 838 | case Opt_test_dummy_encryption: |
ed318a6c EB |
839 | ret = f2fs_set_test_dummy_encryption(sb, p, &args[0], |
840 | is_remount); | |
841 | if (ret) | |
842 | return ret; | |
ff62af20 | 843 | break; |
27aacd28 ST |
844 | case Opt_inlinecrypt: |
845 | #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT | |
846 | sb->s_flags |= SB_INLINECRYPT; | |
847 | #else | |
848 | f2fs_info(sbi, "inline encryption not supported"); | |
849 | #endif | |
850 | break; | |
4d3aed70 DR |
851 | case Opt_checkpoint_disable_cap_perc: |
852 | if (args->from && match_int(args, &arg)) | |
4354994f | 853 | return -EINVAL; |
4d3aed70 DR |
854 | if (arg < 0 || arg > 100) |
855 | return -EINVAL; | |
1ae18f71 | 856 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
857 | set_opt(sbi, DISABLE_CHECKPOINT); |
858 | break; | |
859 | case Opt_checkpoint_disable_cap: | |
860 | if (args->from && match_int(args, &arg)) | |
861 | return -EINVAL; | |
862 | F2FS_OPTION(sbi).unusable_cap = arg; | |
863 | set_opt(sbi, DISABLE_CHECKPOINT); | |
864 | break; | |
865 | case Opt_checkpoint_disable: | |
866 | set_opt(sbi, DISABLE_CHECKPOINT); | |
867 | break; | |
868 | case Opt_checkpoint_enable: | |
869 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 870 | break; |
1f0b067b | 871 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
872 | case Opt_compress_algorithm: |
873 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
874 | f2fs_info(sbi, "Image doesn't support compression"); |
875 | break; | |
4c8ff709 CY |
876 | } |
877 | name = match_strdup(&args[0]); | |
878 | if (!name) | |
879 | return -ENOMEM; | |
3c57f751 | 880 | if (!strcmp(name, "lzo")) { |
4c8ff709 CY |
881 | F2FS_OPTION(sbi).compress_algorithm = |
882 | COMPRESS_LZO; | |
3c57f751 | 883 | } else if (!strcmp(name, "lz4")) { |
4c8ff709 CY |
884 | F2FS_OPTION(sbi).compress_algorithm = |
885 | COMPRESS_LZ4; | |
3c57f751 | 886 | } else if (!strcmp(name, "zstd")) { |
50cfa66f CY |
887 | F2FS_OPTION(sbi).compress_algorithm = |
888 | COMPRESS_ZSTD; | |
6d92b201 CY |
889 | } else if (!strcmp(name, "lzo-rle")) { |
890 | F2FS_OPTION(sbi).compress_algorithm = | |
891 | COMPRESS_LZORLE; | |
4c8ff709 CY |
892 | } else { |
893 | kfree(name); | |
894 | return -EINVAL; | |
895 | } | |
896 | kfree(name); | |
897 | break; | |
898 | case Opt_compress_log_size: | |
899 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
900 | f2fs_info(sbi, "Image doesn't support compression"); |
901 | break; | |
4c8ff709 CY |
902 | } |
903 | if (args->from && match_int(args, &arg)) | |
904 | return -EINVAL; | |
905 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
906 | arg > MAX_COMPRESS_LOG_SIZE) { | |
907 | f2fs_err(sbi, | |
908 | "Compress cluster log size is out of range"); | |
909 | return -EINVAL; | |
910 | } | |
911 | F2FS_OPTION(sbi).compress_log_size = arg; | |
912 | break; | |
913 | case Opt_compress_extension: | |
914 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
915 | f2fs_info(sbi, "Image doesn't support compression"); |
916 | break; | |
4c8ff709 CY |
917 | } |
918 | name = match_strdup(&args[0]); | |
919 | if (!name) | |
920 | return -ENOMEM; | |
921 | ||
922 | ext = F2FS_OPTION(sbi).extensions; | |
923 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
924 | ||
925 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
926 | ext_cnt >= COMPRESS_EXT_NUM) { | |
927 | f2fs_err(sbi, | |
928 | "invalid extension length/number"); | |
929 | kfree(name); | |
930 | return -EINVAL; | |
931 | } | |
932 | ||
933 | strcpy(ext[ext_cnt], name); | |
934 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
935 | kfree(name); | |
936 | break; | |
1f0b067b CY |
937 | #else |
938 | case Opt_compress_algorithm: | |
939 | case Opt_compress_log_size: | |
940 | case Opt_compress_extension: | |
941 | f2fs_info(sbi, "compression options not supported"); | |
942 | break; | |
943 | #endif | |
093749e2 CY |
944 | case Opt_atgc: |
945 | set_opt(sbi, ATGC); | |
946 | break; | |
696c018c | 947 | default: |
dcbb4c10 JP |
948 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
949 | p); | |
696c018c NJ |
950 | return -EINVAL; |
951 | } | |
952 | } | |
4b2414d0 CY |
953 | #ifdef CONFIG_QUOTA |
954 | if (f2fs_check_quota_options(sbi)) | |
955 | return -EINVAL; | |
00960c2c | 956 | #else |
7beb01f7 | 957 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 958 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
959 | return -EINVAL; |
960 | } | |
7beb01f7 | 961 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 962 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
963 | return -EINVAL; |
964 | } | |
4b2414d0 | 965 | #endif |
5aba5430 DR |
966 | #ifndef CONFIG_UNICODE |
967 | if (f2fs_sb_has_casefold(sbi)) { | |
968 | f2fs_err(sbi, | |
969 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
970 | return -EINVAL; | |
971 | } | |
972 | #endif | |
d0660122 CY |
973 | /* |
974 | * The BLKZONED feature indicates that the drive was formatted with | |
975 | * zone alignment optimization. This is optional for host-aware | |
976 | * devices, but mandatory for host-managed zoned block devices. | |
977 | */ | |
978 | #ifndef CONFIG_BLK_DEV_ZONED | |
979 | if (f2fs_sb_has_blkzoned(sbi)) { | |
980 | f2fs_err(sbi, "Zoned block device support is not enabled"); | |
981 | return -EINVAL; | |
982 | } | |
983 | #endif | |
ec91538d | 984 | |
b0332a0f | 985 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
986 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
987 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
988 | return -EINVAL; |
989 | } | |
6afc662e CY |
990 | |
991 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
992 | int min_size, max_size; |
993 | ||
7beb01f7 CY |
994 | if (!f2fs_sb_has_extra_attr(sbi) || |
995 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 996 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
997 | return -EINVAL; |
998 | } | |
6afc662e | 999 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 1000 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
1001 | return -EINVAL; |
1002 | } | |
70db5b04 JK |
1003 | |
1004 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 1005 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
1006 | |
1007 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
1008 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
1009 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
1010 | min_size, max_size); | |
6afc662e CY |
1011 | return -EINVAL; |
1012 | } | |
1013 | } | |
0cdd3195 | 1014 | |
b0332a0f | 1015 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
dcbb4c10 | 1016 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
1017 | return -EINVAL; |
1018 | } | |
1019 | ||
0cdd3195 | 1020 | /* Not pass down write hints if the number of active logs is lesser |
d0b9e42a | 1021 | * than NR_CURSEG_PERSIST_TYPE. |
0cdd3195 | 1022 | */ |
63189b78 CY |
1023 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
1024 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
1025 | return 0; |
1026 | } | |
1027 | ||
aff063e2 JK |
1028 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
1029 | { | |
1030 | struct f2fs_inode_info *fi; | |
1031 | ||
a0acdfe0 | 1032 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
1033 | if (!fi) |
1034 | return NULL; | |
1035 | ||
1036 | init_once((void *) fi); | |
1037 | ||
434720fa | 1038 | /* Initialize f2fs-specific inode info */ |
204706c7 | 1039 | atomic_set(&fi->dirty_pages, 0); |
c2759eba | 1040 | atomic_set(&fi->i_compr_blocks, 0); |
d928bfbf | 1041 | init_rwsem(&fi->i_sem); |
c10c9820 | 1042 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 1043 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 1044 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 1045 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
1046 | INIT_LIST_HEAD(&fi->inmem_pages); |
1047 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
1048 | init_rwsem(&fi->i_gc_rwsem[READ]); |
1049 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 1050 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 1051 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 1052 | |
ab9fa662 JK |
1053 | /* Will be used by directory only */ |
1054 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 1055 | |
6b12367d JK |
1056 | fi->ra_offset = -1; |
1057 | ||
aff063e2 JK |
1058 | return &fi->vfs_inode; |
1059 | } | |
1060 | ||
531ad7d5 JK |
1061 | static int f2fs_drop_inode(struct inode *inode) |
1062 | { | |
a8933b6b | 1063 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 1064 | int ret; |
a8933b6b CY |
1065 | |
1066 | /* | |
1067 | * during filesystem shutdown, if checkpoint is disabled, | |
1068 | * drop useless meta/node dirty pages. | |
1069 | */ | |
1070 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
1071 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1072 | inode->i_ino == F2FS_META_INO(sbi)) { | |
1073 | trace_f2fs_drop_inode(inode, 1); | |
1074 | return 1; | |
1075 | } | |
1076 | } | |
1077 | ||
531ad7d5 JK |
1078 | /* |
1079 | * This is to avoid a deadlock condition like below. | |
1080 | * writeback_single_inode(inode) | |
1081 | * - f2fs_write_data_page | |
1082 | * - f2fs_gc -> iput -> evict | |
1083 | * - inode_wait_for_writeback(inode) | |
1084 | */ | |
0f18b462 | 1085 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1086 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1087 | /* to avoid evict_inode call simultaneously */ |
1088 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1089 | spin_unlock(&inode->i_lock); |
1090 | ||
1091 | /* some remained atomic pages should discarded */ | |
1092 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 1093 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 1094 | |
3e72f721 JK |
1095 | /* should remain fi->extent_tree for writepage */ |
1096 | f2fs_destroy_extent_node(inode); | |
1097 | ||
06e1bc05 | 1098 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1099 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1100 | |
a0770e13 | 1101 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1102 | inode, NULL, 0, DATA); | |
1103 | truncate_inode_pages_final(inode->i_mapping); | |
1104 | ||
06e1bc05 | 1105 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1106 | f2fs_truncate(inode); |
06e1bc05 JK |
1107 | |
1108 | sb_end_intwrite(inode->i_sb); | |
1109 | ||
06e1bc05 | 1110 | spin_lock(&inode->i_lock); |
3e72f721 | 1111 | atomic_dec(&inode->i_count); |
06e1bc05 | 1112 | } |
b8d96a30 | 1113 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1114 | return 0; |
06e1bc05 | 1115 | } |
b8d96a30 | 1116 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1117 | if (!ret) |
1118 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1119 | trace_f2fs_drop_inode(inode, ret); |
1120 | return ret; | |
531ad7d5 JK |
1121 | } |
1122 | ||
7c45729a | 1123 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1124 | { |
0f18b462 | 1125 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1126 | int ret = 0; |
0f18b462 | 1127 | |
0f18b462 JK |
1128 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1129 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1130 | ret = 1; |
1131 | } else { | |
1132 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1133 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1134 | } |
7c45729a JK |
1135 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1136 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1137 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1138 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1139 | } | |
338bbfa0 | 1140 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1141 | return ret; |
0f18b462 JK |
1142 | } |
1143 | ||
1144 | void f2fs_inode_synced(struct inode *inode) | |
1145 | { | |
1146 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1147 | ||
1148 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1149 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1150 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1151 | return; | |
1152 | } | |
7c45729a JK |
1153 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1154 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1155 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1156 | } | |
0f18b462 | 1157 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1158 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1159 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1160 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1161 | } |
1162 | ||
b56ab837 JK |
1163 | /* |
1164 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1165 | * | |
1166 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1167 | */ | |
1168 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1169 | { | |
1170 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1171 | ||
1172 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1173 | inode->i_ino == F2FS_META_INO(sbi)) | |
1174 | return; | |
1175 | ||
1176 | if (flags == I_DIRTY_TIME) | |
1177 | return; | |
1178 | ||
1179 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) | |
1180 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1181 | ||
7c45729a | 1182 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1183 | } |
1184 | ||
d01718a0 | 1185 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1186 | { |
2c58d548 | 1187 | fscrypt_free_inode(inode); |
aff063e2 JK |
1188 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1189 | } | |
1190 | ||
523be8a6 JK |
1191 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1192 | { | |
41382ec4 | 1193 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 1194 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
1195 | } |
1196 | ||
3c62be17 JK |
1197 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1198 | { | |
1199 | int i; | |
1200 | ||
1201 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1202 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1203 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1204 | kvfree(FDEV(i).blkz_seq); |
de881df9 | 1205 | kfree(FDEV(i).zone_capacity_blocks); |
3c62be17 JK |
1206 | #endif |
1207 | } | |
5222595d | 1208 | kvfree(sbi->devs); |
3c62be17 JK |
1209 | } |
1210 | ||
aff063e2 JK |
1211 | static void f2fs_put_super(struct super_block *sb) |
1212 | { | |
1213 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1214 | int i; |
cf5c759f | 1215 | bool dropped; |
aff063e2 | 1216 | |
99c787cf LG |
1217 | /* unregister procfs/sysfs entries in advance to avoid race case */ |
1218 | f2fs_unregister_sysfs(sbi); | |
1219 | ||
0abd675e | 1220 | f2fs_quota_off_umount(sb); |
aff063e2 | 1221 | |
2658e50d JK |
1222 | /* prevent remaining shrinker jobs */ |
1223 | mutex_lock(&sbi->umount_mutex); | |
1224 | ||
85dc2f2c JK |
1225 | /* |
1226 | * We don't need to do checkpoint when superblock is clean. | |
1227 | * But, the previous checkpoint was not done by umount, it needs to do | |
1228 | * clean checkpoint again. | |
1229 | */ | |
4354994f DR |
1230 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1231 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1232 | struct cp_control cpc = { |
1233 | .reason = CP_UMOUNT, | |
1234 | }; | |
4d57b86d | 1235 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1236 | } |
aff063e2 | 1237 | |
4e6a8d9b | 1238 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1239 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1240 | |
7d20c8ab CY |
1241 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1242 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1243 | struct cp_control cpc = { |
1244 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1245 | }; | |
4d57b86d | 1246 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1247 | } |
1248 | ||
cf779cab JK |
1249 | /* |
1250 | * normally superblock is clean, so we need to release this. | |
1251 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1252 | */ | |
4d57b86d | 1253 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1254 | |
2658e50d JK |
1255 | f2fs_leave_shrinker(sbi); |
1256 | mutex_unlock(&sbi->umount_mutex); | |
1257 | ||
17c19120 | 1258 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1259 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1260 | |
bf22c3cc | 1261 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1262 | |
1263 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1264 | ||
aff063e2 | 1265 | iput(sbi->node_inode); |
7c77bf7d JK |
1266 | sbi->node_inode = NULL; |
1267 | ||
aff063e2 | 1268 | iput(sbi->meta_inode); |
7c77bf7d | 1269 | sbi->meta_inode = NULL; |
aff063e2 | 1270 | |
60aa4d55 ST |
1271 | /* |
1272 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1273 | * above failed with error. | |
1274 | */ | |
1275 | f2fs_destroy_stats(sbi); | |
1276 | ||
aff063e2 | 1277 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1278 | f2fs_destroy_node_manager(sbi); |
1279 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1280 | |
4c8ff709 CY |
1281 | f2fs_destroy_post_read_wq(sbi); |
1282 | ||
5222595d | 1283 | kvfree(sbi->ckpt); |
a398101a | 1284 | |
aff063e2 | 1285 | sb->s_fs_info = NULL; |
43b6573b KM |
1286 | if (sbi->s_chksum_driver) |
1287 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 1288 | kfree(sbi->raw_super); |
523be8a6 | 1289 | |
3c62be17 | 1290 | destroy_device_list(sbi); |
31083031 | 1291 | f2fs_destroy_page_array_cache(sbi); |
a999150f | 1292 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1293 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1294 | #ifdef CONFIG_QUOTA |
1295 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1296 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1297 | #endif |
ac4acb1f | 1298 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
523be8a6 | 1299 | destroy_percpu_info(sbi); |
a912b54d | 1300 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1301 | kvfree(sbi->write_io[i]); |
5aba5430 | 1302 | #ifdef CONFIG_UNICODE |
eca4873e | 1303 | utf8_unload(sb->s_encoding); |
5aba5430 | 1304 | #endif |
742532d1 | 1305 | kfree(sbi); |
aff063e2 JK |
1306 | } |
1307 | ||
1308 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1309 | { | |
1310 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1311 | int err = 0; |
aff063e2 | 1312 | |
1f227a3e JK |
1313 | if (unlikely(f2fs_cp_error(sbi))) |
1314 | return 0; | |
4354994f DR |
1315 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1316 | return 0; | |
1f227a3e | 1317 | |
a2a4a7e4 NJ |
1318 | trace_f2fs_sync_fs(sb, sync); |
1319 | ||
4b2414d0 CY |
1320 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1321 | return -EAGAIN; | |
1322 | ||
b7473754 | 1323 | if (sync) { |
d5053a34 JK |
1324 | struct cp_control cpc; |
1325 | ||
119ee914 JK |
1326 | cpc.reason = __get_cp_reason(sbi); |
1327 | ||
fb24fea7 | 1328 | down_write(&sbi->gc_lock); |
4d57b86d | 1329 | err = f2fs_write_checkpoint(sbi, &cpc); |
fb24fea7 | 1330 | up_write(&sbi->gc_lock); |
b7473754 | 1331 | } |
05ca3632 | 1332 | f2fs_trace_ios(NULL, 1); |
aff063e2 | 1333 | |
c34f42e2 | 1334 | return err; |
aff063e2 JK |
1335 | } |
1336 | ||
d6212a5f CL |
1337 | static int f2fs_freeze(struct super_block *sb) |
1338 | { | |
77888c1e | 1339 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1340 | return 0; |
1341 | ||
b4b9d34c JK |
1342 | /* IO error happened before */ |
1343 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1344 | return -EIO; | |
1345 | ||
1346 | /* must be clean, since sync_filesystem() was already called */ | |
1347 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1348 | return -EINVAL; | |
1349 | return 0; | |
d6212a5f CL |
1350 | } |
1351 | ||
1352 | static int f2fs_unfreeze(struct super_block *sb) | |
1353 | { | |
1354 | return 0; | |
1355 | } | |
1356 | ||
ddc34e32 CY |
1357 | #ifdef CONFIG_QUOTA |
1358 | static int f2fs_statfs_project(struct super_block *sb, | |
1359 | kprojid_t projid, struct kstatfs *buf) | |
1360 | { | |
1361 | struct kqid qid; | |
1362 | struct dquot *dquot; | |
1363 | u64 limit; | |
1364 | u64 curblock; | |
1365 | ||
1366 | qid = make_kqid_projid(projid); | |
1367 | dquot = dqget(sb, qid); | |
1368 | if (IS_ERR(dquot)) | |
1369 | return PTR_ERR(dquot); | |
955ac6e5 | 1370 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1371 | |
bf2cbd3c CX |
1372 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1373 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1374 | if (limit) |
1375 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1376 | |
ddc34e32 | 1377 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1378 | curblock = (dquot->dq_dqb.dqb_curspace + |
1379 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1380 | buf->f_blocks = limit; |
1381 | buf->f_bfree = buf->f_bavail = | |
1382 | (buf->f_blocks > curblock) ? | |
1383 | (buf->f_blocks - curblock) : 0; | |
1384 | } | |
1385 | ||
bf2cbd3c CX |
1386 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1387 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1388 | |
ddc34e32 CY |
1389 | if (limit && buf->f_files > limit) { |
1390 | buf->f_files = limit; | |
1391 | buf->f_ffree = | |
1392 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1393 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1394 | } | |
1395 | ||
955ac6e5 | 1396 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1397 | dqput(dquot); |
1398 | return 0; | |
1399 | } | |
1400 | #endif | |
1401 | ||
aff063e2 JK |
1402 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1403 | { | |
1404 | struct super_block *sb = dentry->d_sb; | |
1405 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1406 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1407 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1408 | u64 avail_node_count; |
aff063e2 JK |
1409 | |
1410 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1411 | user_block_count = sbi->user_block_count; | |
1412 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1413 | buf->f_type = F2FS_SUPER_MAGIC; |
1414 | buf->f_bsize = sbi->blocksize; | |
1415 | ||
1416 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1417 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1418 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1419 | |
1420 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1421 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1422 | buf->f_bfree = 0; | |
1423 | else | |
1424 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1425 | spin_unlock(&sbi->stat_lock); |
4354994f | 1426 | |
63189b78 CY |
1427 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1428 | buf->f_bavail = buf->f_bfree - | |
1429 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1430 | else |
1431 | buf->f_bavail = 0; | |
aff063e2 | 1432 | |
27cae0bc | 1433 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
0cc091d0 JK |
1434 | |
1435 | if (avail_node_count > user_block_count) { | |
1436 | buf->f_files = user_block_count; | |
1437 | buf->f_ffree = buf->f_bavail; | |
1438 | } else { | |
1439 | buf->f_files = avail_node_count; | |
1440 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1441 | buf->f_bavail); | |
1442 | } | |
aff063e2 | 1443 | |
5a20d339 | 1444 | buf->f_namelen = F2FS_NAME_LEN; |
6d1349c7 | 1445 | buf->f_fsid = u64_to_fsid(id); |
aff063e2 | 1446 | |
ddc34e32 CY |
1447 | #ifdef CONFIG_QUOTA |
1448 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1449 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1450 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1451 | } | |
1452 | #endif | |
aff063e2 JK |
1453 | return 0; |
1454 | } | |
1455 | ||
4b2414d0 CY |
1456 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1457 | struct super_block *sb) | |
1458 | { | |
1459 | #ifdef CONFIG_QUOTA | |
1460 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1461 | ||
63189b78 | 1462 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1463 | char *fmtname = ""; |
1464 | ||
63189b78 | 1465 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1466 | case QFMT_VFS_OLD: |
1467 | fmtname = "vfsold"; | |
1468 | break; | |
1469 | case QFMT_VFS_V0: | |
1470 | fmtname = "vfsv0"; | |
1471 | break; | |
1472 | case QFMT_VFS_V1: | |
1473 | fmtname = "vfsv1"; | |
1474 | break; | |
1475 | } | |
1476 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1477 | } | |
1478 | ||
63189b78 CY |
1479 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1480 | seq_show_option(seq, "usrjquota", | |
1481 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1482 | |
63189b78 CY |
1483 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1484 | seq_show_option(seq, "grpjquota", | |
1485 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1486 | |
63189b78 CY |
1487 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1488 | seq_show_option(seq, "prjjquota", | |
1489 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1490 | #endif |
1491 | } | |
1492 | ||
4c8ff709 CY |
1493 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1494 | struct super_block *sb) | |
1495 | { | |
1496 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1497 | char *algtype = ""; | |
1498 | int i; | |
1499 | ||
1500 | if (!f2fs_sb_has_compression(sbi)) | |
1501 | return; | |
1502 | ||
1503 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1504 | case COMPRESS_LZO: | |
1505 | algtype = "lzo"; | |
1506 | break; | |
1507 | case COMPRESS_LZ4: | |
1508 | algtype = "lz4"; | |
1509 | break; | |
50cfa66f CY |
1510 | case COMPRESS_ZSTD: |
1511 | algtype = "zstd"; | |
1512 | break; | |
6d92b201 CY |
1513 | case COMPRESS_LZORLE: |
1514 | algtype = "lzo-rle"; | |
1515 | break; | |
4c8ff709 CY |
1516 | } |
1517 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1518 | ||
1519 | seq_printf(seq, ",compress_log_size=%u", | |
1520 | F2FS_OPTION(sbi).compress_log_size); | |
1521 | ||
1522 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1523 | seq_printf(seq, ",compress_extension=%s", | |
1524 | F2FS_OPTION(sbi).extensions[i]); | |
1525 | } | |
1526 | } | |
1527 | ||
aff063e2 JK |
1528 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1529 | { | |
1530 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1531 | ||
bbbc34fd CY |
1532 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1533 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1534 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1535 | seq_printf(seq, ",background_gc=%s", "on"); | |
1536 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1537 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1538 | |
aff063e2 JK |
1539 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1540 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1541 | if (test_opt(sbi, NORECOVERY)) |
1542 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1543 | if (test_opt(sbi, DISCARD)) |
1544 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1545 | else |
1546 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1547 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1548 | seq_puts(seq, ",no_heap"); |
1549 | else | |
1550 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1551 | #ifdef CONFIG_F2FS_FS_XATTR |
1552 | if (test_opt(sbi, XATTR_USER)) | |
1553 | seq_puts(seq, ",user_xattr"); | |
1554 | else | |
1555 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1556 | if (test_opt(sbi, INLINE_XATTR)) |
1557 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1558 | else |
1559 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1560 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1561 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1562 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1563 | #endif |
1564 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1565 | if (test_opt(sbi, POSIX_ACL)) | |
1566 | seq_puts(seq, ",acl"); | |
1567 | else | |
1568 | seq_puts(seq, ",noacl"); | |
1569 | #endif | |
1570 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1571 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1572 | if (test_opt(sbi, INLINE_DATA)) |
1573 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1574 | else |
1575 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1576 | if (test_opt(sbi, INLINE_DENTRY)) |
1577 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1578 | else |
1579 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1580 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1581 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1582 | if (test_opt(sbi, NOBARRIER)) |
1583 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1584 | if (test_opt(sbi, FASTBOOT)) |
1585 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1586 | if (test_opt(sbi, EXTENT_CACHE)) |
1587 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1588 | else |
1589 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1590 | if (test_opt(sbi, DATA_FLUSH)) |
1591 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1592 | |
1593 | seq_puts(seq, ",mode="); | |
b0332a0f | 1594 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1595 | seq_puts(seq, "adaptive"); |
b0332a0f | 1596 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1597 | seq_puts(seq, "lfs"); |
63189b78 | 1598 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1599 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1600 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1601 | F2FS_OPTION(sbi).root_reserved_blocks, |
1602 | from_kuid_munged(&init_user_ns, | |
1603 | F2FS_OPTION(sbi).s_resuid), | |
1604 | from_kgid_munged(&init_user_ns, | |
1605 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1606 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1607 | seq_printf(seq, ",io_bits=%u", |
1608 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1609 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1610 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1611 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1612 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1613 | seq_printf(seq, ",fault_type=%u", |
1614 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1615 | } | |
0cc0dec2 | 1616 | #endif |
0abd675e | 1617 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1618 | if (test_opt(sbi, QUOTA)) |
1619 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1620 | if (test_opt(sbi, USRQUOTA)) |
1621 | seq_puts(seq, ",usrquota"); | |
1622 | if (test_opt(sbi, GRPQUOTA)) | |
1623 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1624 | if (test_opt(sbi, PRJQUOTA)) |
1625 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1626 | #endif |
4b2414d0 | 1627 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1628 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1629 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1630 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1631 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
ed318a6c EB |
1632 | |
1633 | fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb); | |
aff063e2 | 1634 | |
27aacd28 ST |
1635 | if (sbi->sb->s_flags & SB_INLINECRYPT) |
1636 | seq_puts(seq, ",inlinecrypt"); | |
1637 | ||
63189b78 | 1638 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1639 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1640 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1641 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1642 | |
4354994f | 1643 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1644 | seq_printf(seq, ",checkpoint=disable:%u", |
1645 | F2FS_OPTION(sbi).unusable_cap); | |
63189b78 | 1646 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1647 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1648 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1649 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1650 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1651 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 | 1652 | |
1f0b067b | 1653 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 1654 | f2fs_show_compress_options(seq, sbi->sb); |
1f0b067b | 1655 | #endif |
093749e2 CY |
1656 | |
1657 | if (test_opt(sbi, ATGC)) | |
1658 | seq_puts(seq, ",atgc"); | |
aff063e2 JK |
1659 | return 0; |
1660 | } | |
1661 | ||
498c5e9f YH |
1662 | static void default_options(struct f2fs_sb_info *sbi) |
1663 | { | |
1664 | /* init some FS parameters */ | |
d0b9e42a | 1665 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE; |
63189b78 CY |
1666 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; |
1667 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1668 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1669 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
0aa7e0f8 CY |
1670 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1671 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 1672 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
1673 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
1674 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
bbbc34fd | 1675 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
498c5e9f | 1676 | |
27aacd28 ST |
1677 | sbi->sb->s_flags &= ~SB_INLINECRYPT; |
1678 | ||
39133a50 | 1679 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1680 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1681 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1682 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1683 | set_opt(sbi, NOHEAP); |
4354994f | 1684 | clear_opt(sbi, DISABLE_CHECKPOINT); |
4d3aed70 | 1685 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1686 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1687 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1688 | set_opt(sbi, DISCARD); |
7beb01f7 | 1689 | if (f2fs_sb_has_blkzoned(sbi)) |
b0332a0f | 1690 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
a39e5365 | 1691 | else |
b0332a0f | 1692 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
498c5e9f YH |
1693 | |
1694 | #ifdef CONFIG_F2FS_FS_XATTR | |
1695 | set_opt(sbi, XATTR_USER); | |
1696 | #endif | |
1697 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1698 | set_opt(sbi, POSIX_ACL); | |
1699 | #endif | |
36dbd328 | 1700 | |
d494500a | 1701 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1702 | } |
1703 | ||
ea676733 JK |
1704 | #ifdef CONFIG_QUOTA |
1705 | static int f2fs_enable_quotas(struct super_block *sb); | |
1706 | #endif | |
4354994f DR |
1707 | |
1708 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1709 | { | |
812a9597 | 1710 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1711 | struct cp_control cpc; |
812a9597 JK |
1712 | int err = 0; |
1713 | int ret; | |
4d3aed70 | 1714 | block_t unusable; |
4354994f | 1715 | |
812a9597 | 1716 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1717 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1718 | return -EINVAL; |
1719 | } | |
4354994f DR |
1720 | sbi->sb->s_flags |= SB_ACTIVE; |
1721 | ||
4354994f DR |
1722 | f2fs_update_time(sbi, DISABLE_TIME); |
1723 | ||
1724 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
fb24fea7 | 1725 | down_write(&sbi->gc_lock); |
4354994f | 1726 | err = f2fs_gc(sbi, true, false, NULL_SEGNO); |
812a9597 JK |
1727 | if (err == -ENODATA) { |
1728 | err = 0; | |
4354994f | 1729 | break; |
812a9597 | 1730 | } |
8f31b466 | 1731 | if (err && err != -EAGAIN) |
812a9597 | 1732 | break; |
4354994f | 1733 | } |
4354994f | 1734 | |
812a9597 JK |
1735 | ret = sync_filesystem(sbi->sb); |
1736 | if (ret || err) { | |
1737 | err = ret ? ret: err; | |
1738 | goto restore_flag; | |
1739 | } | |
4354994f | 1740 | |
4d3aed70 DR |
1741 | unusable = f2fs_get_unusable_blocks(sbi); |
1742 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1743 | err = -EAGAIN; |
1744 | goto restore_flag; | |
1745 | } | |
4354994f | 1746 | |
fb24fea7 | 1747 | down_write(&sbi->gc_lock); |
4354994f DR |
1748 | cpc.reason = CP_PAUSE; |
1749 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1750 | err = f2fs_write_checkpoint(sbi, &cpc); |
1751 | if (err) | |
1752 | goto out_unlock; | |
4354994f | 1753 | |
c9c8ed50 | 1754 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1755 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1756 | spin_unlock(&sbi->stat_lock); |
1757 | ||
896285ad | 1758 | out_unlock: |
fb24fea7 | 1759 | up_write(&sbi->gc_lock); |
812a9597 | 1760 | restore_flag: |
7a88ddb5 | 1761 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 1762 | return err; |
4354994f DR |
1763 | } |
1764 | ||
1765 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1766 | { | |
fb24fea7 | 1767 | down_write(&sbi->gc_lock); |
4354994f DR |
1768 | f2fs_dirty_to_prefree(sbi); |
1769 | ||
1770 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1771 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
fb24fea7 | 1772 | up_write(&sbi->gc_lock); |
4354994f DR |
1773 | |
1774 | f2fs_sync_fs(sbi->sb, 1); | |
1775 | } | |
1776 | ||
696c018c NJ |
1777 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1778 | { | |
1779 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1780 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1781 | unsigned long old_sb_flags; |
63189b78 | 1782 | int err; |
876dc59e GZ |
1783 | bool need_restart_gc = false; |
1784 | bool need_stop_gc = false; | |
9cd81ce3 | 1785 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f | 1786 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 1787 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
093749e2 | 1788 | bool no_atgc = !test_opt(sbi, ATGC); |
4354994f | 1789 | bool checkpoint_changed; |
4b2414d0 | 1790 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1791 | int i, j; |
1792 | #endif | |
696c018c NJ |
1793 | |
1794 | /* | |
1795 | * Save the old mount options in case we | |
1796 | * need to restore them. | |
1797 | */ | |
1798 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1799 | old_sb_flags = sb->s_flags; |
696c018c | 1800 | |
4b2414d0 | 1801 | #ifdef CONFIG_QUOTA |
63189b78 | 1802 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1803 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1804 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1805 | org_mount_opt.s_qf_names[i] = | |
1806 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1807 | GFP_KERNEL); | |
1808 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1809 | for (j = 0; j < i; j++) |
ba87a45c | 1810 | kfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1811 | return -ENOMEM; |
1812 | } | |
1813 | } else { | |
63189b78 | 1814 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1815 | } |
1816 | } | |
1817 | #endif | |
1818 | ||
df728b0f | 1819 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1820 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1821 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1822 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1823 | err); | |
df728b0f JK |
1824 | if (!err) |
1825 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1826 | } | |
1827 | ||
498c5e9f | 1828 | default_options(sbi); |
26666c8a | 1829 | |
696c018c | 1830 | /* parse mount options */ |
ed318a6c | 1831 | err = parse_options(sb, data, true); |
696c018c NJ |
1832 | if (err) |
1833 | goto restore_opts; | |
4354994f DR |
1834 | checkpoint_changed = |
1835 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1836 | |
1837 | /* | |
1838 | * Previous and new state of filesystem is RO, | |
876dc59e | 1839 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 1840 | */ |
1751e8a6 | 1841 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
1842 | goto skip; |
1843 | ||
ea676733 | 1844 | #ifdef CONFIG_QUOTA |
1751e8a6 | 1845 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
1846 | err = dquot_suspend(sb, -1); |
1847 | if (err < 0) | |
1848 | goto restore_opts; | |
4354994f | 1849 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 1850 | /* dquot_resume needs RW */ |
1751e8a6 | 1851 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
1852 | if (sb_any_quota_suspended(sb)) { |
1853 | dquot_resume(sb, -1); | |
7beb01f7 | 1854 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
1855 | err = f2fs_enable_quotas(sb); |
1856 | if (err) | |
1857 | goto restore_opts; | |
1858 | } | |
0abd675e | 1859 | } |
ea676733 | 1860 | #endif |
093749e2 CY |
1861 | /* disallow enable atgc dynamically */ |
1862 | if (no_atgc == !!test_opt(sbi, ATGC)) { | |
1863 | err = -EINVAL; | |
1864 | f2fs_warn(sbi, "switch atgc option is not allowed"); | |
1865 | goto restore_opts; | |
1866 | } | |
1867 | ||
9cd81ce3 CY |
1868 | /* disallow enable/disable extent_cache dynamically */ |
1869 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
1870 | err = -EINVAL; | |
dcbb4c10 | 1871 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
1872 | goto restore_opts; |
1873 | } | |
1874 | ||
1f78adfa CY |
1875 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
1876 | err = -EINVAL; | |
1877 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
1878 | goto restore_opts; | |
1879 | } | |
1880 | ||
4354994f DR |
1881 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
1882 | err = -EINVAL; | |
dcbb4c10 | 1883 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
1884 | goto restore_opts; |
1885 | } | |
1886 | ||
696c018c NJ |
1887 | /* |
1888 | * We stop the GC thread if FS is mounted as RO | |
1889 | * or if background_gc = off is passed in mount | |
1890 | * option. Also sync the filesystem. | |
1891 | */ | |
bbbc34fd CY |
1892 | if ((*flags & SB_RDONLY) || |
1893 | F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) { | |
696c018c | 1894 | if (sbi->gc_thread) { |
4d57b86d | 1895 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1896 | need_restart_gc = true; |
696c018c | 1897 | } |
aba291b3 | 1898 | } else if (!sbi->gc_thread) { |
4d57b86d | 1899 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
1900 | if (err) |
1901 | goto restore_opts; | |
876dc59e GZ |
1902 | need_stop_gc = true; |
1903 | } | |
1904 | ||
63189b78 CY |
1905 | if (*flags & SB_RDONLY || |
1906 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
1907 | writeback_inodes_sb(sb, WB_REASON_SYNC); |
1908 | sync_inodes_sb(sb); | |
1909 | ||
1910 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1911 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
1912 | f2fs_sync_fs(sb, 1); | |
1913 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
1914 | } | |
1915 | ||
4354994f DR |
1916 | if (checkpoint_changed) { |
1917 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
1918 | err = f2fs_disable_checkpoint(sbi); | |
1919 | if (err) | |
1920 | goto restore_gc; | |
1921 | } else { | |
1922 | f2fs_enable_checkpoint(sbi); | |
1923 | } | |
1924 | } | |
1925 | ||
876dc59e GZ |
1926 | /* |
1927 | * We stop issue flush thread if FS is mounted as RO | |
1928 | * or if flush_merge is not passed in mount option. | |
1929 | */ | |
1751e8a6 | 1930 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 1931 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 1932 | f2fs_destroy_flush_cmd_control(sbi, false); |
5eba8c5d | 1933 | } else { |
4d57b86d | 1934 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 1935 | if (err) |
a688b9d9 | 1936 | goto restore_gc; |
696c018c NJ |
1937 | } |
1938 | skip: | |
4b2414d0 CY |
1939 | #ifdef CONFIG_QUOTA |
1940 | /* Release old quota file names */ | |
1941 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1942 | kfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 1943 | #endif |
696c018c | 1944 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
1945 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
1946 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 1947 | |
7e65be49 | 1948 | limit_reserve_root(sbi); |
1ae18f71 | 1949 | adjust_unusable_cap_perc(sbi); |
095680f2 | 1950 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 1951 | return 0; |
876dc59e GZ |
1952 | restore_gc: |
1953 | if (need_restart_gc) { | |
4d57b86d | 1954 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 1955 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 1956 | } else if (need_stop_gc) { |
4d57b86d | 1957 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1958 | } |
696c018c | 1959 | restore_opts: |
4b2414d0 | 1960 | #ifdef CONFIG_QUOTA |
63189b78 | 1961 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 1962 | for (i = 0; i < MAXQUOTAS; i++) { |
ba87a45c | 1963 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 1964 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
1965 | } |
1966 | #endif | |
696c018c | 1967 | sbi->mount_opt = org_mount_opt; |
0abd675e | 1968 | sb->s_flags = old_sb_flags; |
696c018c NJ |
1969 | return err; |
1970 | } | |
1971 | ||
0abd675e CY |
1972 | #ifdef CONFIG_QUOTA |
1973 | /* Read data from quotafile */ | |
1974 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
1975 | size_t len, loff_t off) | |
1976 | { | |
1977 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1978 | struct address_space *mapping = inode->i_mapping; | |
1979 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
1980 | int offset = off & (sb->s_blocksize - 1); | |
1981 | int tocopy; | |
1982 | size_t toread; | |
1983 | loff_t i_size = i_size_read(inode); | |
1984 | struct page *page; | |
1985 | char *kaddr; | |
1986 | ||
1987 | if (off > i_size) | |
1988 | return 0; | |
1989 | ||
1990 | if (off + len > i_size) | |
1991 | len = i_size - off; | |
1992 | toread = len; | |
1993 | while (toread > 0) { | |
1994 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
1995 | repeat: | |
02117b8a | 1996 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
1997 | if (IS_ERR(page)) { |
1998 | if (PTR_ERR(page) == -ENOMEM) { | |
5df7731f CY |
1999 | congestion_wait(BLK_RW_ASYNC, |
2000 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
2001 | goto repeat; |
2002 | } | |
af033b2a | 2003 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2004 | return PTR_ERR(page); |
4e46a023 | 2005 | } |
0abd675e CY |
2006 | |
2007 | lock_page(page); | |
2008 | ||
2009 | if (unlikely(page->mapping != mapping)) { | |
2010 | f2fs_put_page(page, 1); | |
2011 | goto repeat; | |
2012 | } | |
2013 | if (unlikely(!PageUptodate(page))) { | |
2014 | f2fs_put_page(page, 1); | |
af033b2a | 2015 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
2016 | return -EIO; |
2017 | } | |
2018 | ||
2019 | kaddr = kmap_atomic(page); | |
2020 | memcpy(data, kaddr + offset, tocopy); | |
2021 | kunmap_atomic(kaddr); | |
2022 | f2fs_put_page(page, 1); | |
2023 | ||
2024 | offset = 0; | |
2025 | toread -= tocopy; | |
2026 | data += tocopy; | |
2027 | blkidx++; | |
2028 | } | |
2029 | return len; | |
2030 | } | |
2031 | ||
2032 | /* Write to quotafile */ | |
2033 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
2034 | const char *data, size_t len, loff_t off) | |
2035 | { | |
2036 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2037 | struct address_space *mapping = inode->i_mapping; | |
2038 | const struct address_space_operations *a_ops = mapping->a_ops; | |
2039 | int offset = off & (sb->s_blocksize - 1); | |
2040 | size_t towrite = len; | |
2041 | struct page *page; | |
62f63eea | 2042 | void *fsdata = NULL; |
0abd675e CY |
2043 | char *kaddr; |
2044 | int err = 0; | |
2045 | int tocopy; | |
2046 | ||
2047 | while (towrite > 0) { | |
2048 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
2049 | towrite); | |
4e46a023 | 2050 | retry: |
0abd675e | 2051 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
62f63eea | 2052 | &page, &fsdata); |
4e46a023 JK |
2053 | if (unlikely(err)) { |
2054 | if (err == -ENOMEM) { | |
5df7731f CY |
2055 | congestion_wait(BLK_RW_ASYNC, |
2056 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
2057 | goto retry; |
2058 | } | |
af033b2a | 2059 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2060 | break; |
4e46a023 | 2061 | } |
0abd675e CY |
2062 | |
2063 | kaddr = kmap_atomic(page); | |
2064 | memcpy(kaddr + offset, data, tocopy); | |
2065 | kunmap_atomic(kaddr); | |
2066 | flush_dcache_page(page); | |
2067 | ||
2068 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 2069 | page, fsdata); |
0abd675e CY |
2070 | offset = 0; |
2071 | towrite -= tocopy; | |
2072 | off += tocopy; | |
2073 | data += tocopy; | |
2074 | cond_resched(); | |
2075 | } | |
2076 | ||
2077 | if (len == towrite) | |
6e5b5d41 | 2078 | return err; |
0abd675e CY |
2079 | inode->i_mtime = inode->i_ctime = current_time(inode); |
2080 | f2fs_mark_inode_dirty_sync(inode, false); | |
2081 | return len - towrite; | |
2082 | } | |
2083 | ||
2084 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
2085 | { | |
2086 | return F2FS_I(inode)->i_dquot; | |
2087 | } | |
2088 | ||
2089 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
2090 | { | |
2091 | return &F2FS_I(inode)->i_reserved_quota; | |
2092 | } | |
2093 | ||
4b2414d0 CY |
2094 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2095 | { | |
af033b2a | 2096 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2097 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2098 | return 0; |
2099 | } | |
2100 | ||
63189b78 CY |
2101 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2102 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2103 | } |
2104 | ||
ea676733 | 2105 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2106 | { |
ea676733 JK |
2107 | int enabled = 0; |
2108 | int i, err; | |
2109 | ||
7beb01f7 | 2110 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2111 | err = f2fs_enable_quotas(sbi->sb); |
2112 | if (err) { | |
dcbb4c10 | 2113 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2114 | return 0; |
2115 | } | |
2116 | return 1; | |
2117 | } | |
4b2414d0 CY |
2118 | |
2119 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2120 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2121 | err = f2fs_quota_on_mount(sbi, i); |
2122 | if (!err) { | |
2123 | enabled = 1; | |
2124 | continue; | |
2125 | } | |
dcbb4c10 JP |
2126 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2127 | err, i); | |
4b2414d0 CY |
2128 | } |
2129 | } | |
ea676733 JK |
2130 | return enabled; |
2131 | } | |
2132 | ||
2133 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2134 | unsigned int flags) | |
2135 | { | |
2136 | struct inode *qf_inode; | |
2137 | unsigned long qf_inum; | |
2138 | int err; | |
2139 | ||
7beb01f7 | 2140 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2141 | |
2142 | qf_inum = f2fs_qf_ino(sb, type); | |
2143 | if (!qf_inum) | |
2144 | return -EPERM; | |
2145 | ||
2146 | qf_inode = f2fs_iget(sb, qf_inum); | |
2147 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2148 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2149 | return PTR_ERR(qf_inode); |
2150 | } | |
2151 | ||
2152 | /* Don't account quota for quota files to avoid recursion */ | |
2153 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2154 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2155 | iput(qf_inode); |
2156 | return err; | |
2157 | } | |
2158 | ||
2159 | static int f2fs_enable_quotas(struct super_block *sb) | |
2160 | { | |
dcbb4c10 | 2161 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2162 | int type, err = 0; |
2163 | unsigned long qf_inum; | |
2164 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2165 | test_opt(sbi, USRQUOTA), |
2166 | test_opt(sbi, GRPQUOTA), | |
2167 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2168 | }; |
2169 | ||
af033b2a | 2170 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2171 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2172 | return 0; |
2173 | } | |
2174 | ||
2175 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2176 | ||
ea676733 JK |
2177 | for (type = 0; type < MAXQUOTAS; type++) { |
2178 | qf_inum = f2fs_qf_ino(sb, type); | |
2179 | if (qf_inum) { | |
2180 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2181 | DQUOT_USAGE_ENABLED | | |
2182 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2183 | if (err) { | |
dcbb4c10 JP |
2184 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2185 | type, err); | |
ea676733 JK |
2186 | for (type--; type >= 0; type--) |
2187 | dquot_quota_off(sb, type); | |
af033b2a CY |
2188 | set_sbi_flag(F2FS_SB(sb), |
2189 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2190 | return err; |
2191 | } | |
4b2414d0 CY |
2192 | } |
2193 | } | |
ea676733 | 2194 | return 0; |
4b2414d0 CY |
2195 | } |
2196 | ||
af033b2a | 2197 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2198 | { |
af033b2a | 2199 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2200 | struct quota_info *dqopt = sb_dqopt(sb); |
2201 | int cnt; | |
2202 | int ret; | |
2203 | ||
db6ec53b JK |
2204 | /* |
2205 | * do_quotactl | |
2206 | * f2fs_quota_sync | |
2207 | * down_read(quota_sem) | |
2208 | * dquot_writeback_dquots() | |
2209 | * f2fs_dquot_commit | |
2210 | * block_operation | |
2211 | * down_read(quota_sem) | |
2212 | */ | |
2213 | f2fs_lock_op(sbi); | |
2214 | ||
2215 | down_read(&sbi->quota_sem); | |
0abd675e CY |
2216 | ret = dquot_writeback_dquots(sb, type); |
2217 | if (ret) | |
af033b2a | 2218 | goto out; |
0abd675e CY |
2219 | |
2220 | /* | |
2221 | * Now when everything is written we can discard the pagecache so | |
2222 | * that userspace sees the changes. | |
2223 | */ | |
2224 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
2225 | struct address_space *mapping; |
2226 | ||
0abd675e CY |
2227 | if (type != -1 && cnt != type) |
2228 | continue; | |
2229 | if (!sb_has_quota_active(sb, cnt)) | |
2230 | continue; | |
2231 | ||
af033b2a CY |
2232 | mapping = dqopt->files[cnt]->i_mapping; |
2233 | ||
2234 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 2235 | if (ret) |
af033b2a CY |
2236 | goto out; |
2237 | ||
2238 | /* if we are using journalled quota */ | |
2239 | if (is_journalled_quota(sbi)) | |
2240 | continue; | |
2241 | ||
2242 | ret = filemap_fdatawait(mapping); | |
2243 | if (ret) | |
2244 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
2245 | |
2246 | inode_lock(dqopt->files[cnt]); | |
2247 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
2248 | inode_unlock(dqopt->files[cnt]); | |
2249 | } | |
af033b2a CY |
2250 | out: |
2251 | if (ret) | |
2252 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
2253 | up_read(&sbi->quota_sem); |
2254 | f2fs_unlock_op(sbi); | |
af033b2a | 2255 | return ret; |
0abd675e CY |
2256 | } |
2257 | ||
2258 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2259 | const struct path *path) | |
2260 | { | |
2261 | struct inode *inode; | |
2262 | int err; | |
2263 | ||
fe973b06 CY |
2264 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2265 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2266 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2267 | return -EBUSY; | |
2268 | } | |
2269 | ||
9a20d391 | 2270 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2271 | if (err) |
2272 | return err; | |
2273 | ||
2274 | err = dquot_quota_on(sb, type, format_id, path); | |
2275 | if (err) | |
2276 | return err; | |
2277 | ||
2278 | inode = d_inode(path->dentry); | |
2279 | ||
2280 | inode_lock(inode); | |
59c84408 | 2281 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2282 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2283 | inode_unlock(inode); |
2284 | f2fs_mark_inode_dirty_sync(inode, false); | |
2285 | ||
2286 | return 0; | |
2287 | } | |
2288 | ||
fe973b06 | 2289 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2290 | { |
2291 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2292 | int err; | |
2293 | ||
2294 | if (!inode || !igrab(inode)) | |
2295 | return dquot_quota_off(sb, type); | |
2296 | ||
cda9cc59 YH |
2297 | err = f2fs_quota_sync(sb, type); |
2298 | if (err) | |
2299 | goto out_put; | |
0abd675e CY |
2300 | |
2301 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2302 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2303 | goto out_put; |
2304 | ||
2305 | inode_lock(inode); | |
59c84408 | 2306 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2307 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2308 | inode_unlock(inode); |
2309 | f2fs_mark_inode_dirty_sync(inode, false); | |
2310 | out_put: | |
2311 | iput(inode); | |
2312 | return err; | |
2313 | } | |
2314 | ||
fe973b06 CY |
2315 | static int f2fs_quota_off(struct super_block *sb, int type) |
2316 | { | |
2317 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2318 | int err; | |
2319 | ||
2320 | err = __f2fs_quota_off(sb, type); | |
2321 | ||
2322 | /* | |
2323 | * quotactl can shutdown journalled quota, result in inconsistence | |
2324 | * between quota record and fs data by following updates, tag the | |
2325 | * flag to let fsck be aware of it. | |
2326 | */ | |
2327 | if (is_journalled_quota(sbi)) | |
2328 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2329 | return err; | |
2330 | } | |
2331 | ||
4b2414d0 | 2332 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2333 | { |
2334 | int type; | |
cda9cc59 YH |
2335 | int err; |
2336 | ||
2337 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2338 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2339 | if (err) { |
2340 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2341 | |
dcbb4c10 JP |
2342 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2343 | type, err, ret); | |
af033b2a | 2344 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2345 | } |
2346 | } | |
0e0667b6 JK |
2347 | /* |
2348 | * In case of checkpoint=disable, we must flush quota blocks. | |
2349 | * This can cause NULL exception for node_inode in end_io, since | |
2350 | * put_super already dropped it. | |
2351 | */ | |
2352 | sync_filesystem(sb); | |
0abd675e CY |
2353 | } |
2354 | ||
26b5a079 SY |
2355 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2356 | { | |
2357 | struct quota_info *dqopt = sb_dqopt(sb); | |
2358 | int type; | |
2359 | ||
2360 | for (type = 0; type < MAXQUOTAS; type++) { | |
2361 | if (!dqopt->files[type]) | |
2362 | continue; | |
2363 | f2fs_inode_synced(dqopt->files[type]); | |
2364 | } | |
2365 | } | |
2366 | ||
af033b2a CY |
2367 | static int f2fs_dquot_commit(struct dquot *dquot) |
2368 | { | |
db6ec53b | 2369 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2370 | int ret; |
2371 | ||
2c4e0c52 | 2372 | down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2373 | ret = dquot_commit(dquot); |
2374 | if (ret < 0) | |
db6ec53b JK |
2375 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2376 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2377 | return ret; |
2378 | } | |
2379 | ||
2380 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2381 | { | |
db6ec53b | 2382 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2383 | int ret; |
2384 | ||
db6ec53b | 2385 | down_read(&sbi->quota_sem); |
af033b2a CY |
2386 | ret = dquot_acquire(dquot); |
2387 | if (ret < 0) | |
db6ec53b JK |
2388 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2389 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2390 | return ret; |
2391 | } | |
2392 | ||
2393 | static int f2fs_dquot_release(struct dquot *dquot) | |
2394 | { | |
db6ec53b | 2395 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2396 | int ret = dquot_release(dquot); |
af033b2a | 2397 | |
af033b2a | 2398 | if (ret < 0) |
db6ec53b | 2399 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2400 | return ret; |
2401 | } | |
2402 | ||
2403 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2404 | { | |
2405 | struct super_block *sb = dquot->dq_sb; | |
2406 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2407 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2408 | |
2409 | /* if we are using journalled quota */ | |
2410 | if (is_journalled_quota(sbi)) | |
2411 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2412 | ||
2413 | return ret; | |
2414 | } | |
2415 | ||
2416 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2417 | { | |
db6ec53b | 2418 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2419 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2420 | |
af033b2a | 2421 | if (ret < 0) |
db6ec53b | 2422 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2423 | return ret; |
2424 | } | |
26b5a079 | 2425 | |
94b1e10e | 2426 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2427 | { |
2428 | *projid = F2FS_I(inode)->i_projid; | |
2429 | return 0; | |
2430 | } | |
2431 | ||
0abd675e CY |
2432 | static const struct dquot_operations f2fs_quota_operations = { |
2433 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2434 | .write_dquot = f2fs_dquot_commit, |
2435 | .acquire_dquot = f2fs_dquot_acquire, | |
2436 | .release_dquot = f2fs_dquot_release, | |
2437 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2438 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2439 | .alloc_dquot = dquot_alloc, |
2440 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2441 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2442 | .get_next_id = dquot_get_next_id, |
2443 | }; | |
2444 | ||
2445 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2446 | .quota_on = f2fs_quota_on, | |
2447 | .quota_off = f2fs_quota_off, | |
2448 | .quota_sync = f2fs_quota_sync, | |
2449 | .get_state = dquot_get_state, | |
2450 | .set_info = dquot_set_dqinfo, | |
2451 | .get_dqblk = dquot_get_dqblk, | |
2452 | .set_dqblk = dquot_set_dqblk, | |
2453 | .get_nextdqblk = dquot_get_next_dqblk, | |
2454 | }; | |
2455 | #else | |
af033b2a CY |
2456 | int f2fs_quota_sync(struct super_block *sb, int type) |
2457 | { | |
2458 | return 0; | |
2459 | } | |
2460 | ||
4b2414d0 | 2461 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2462 | { |
2463 | } | |
2464 | #endif | |
2465 | ||
f62fc9f9 | 2466 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2467 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2468 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2469 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2470 | .write_inode = f2fs_write_inode, |
b3783873 | 2471 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2472 | .show_options = f2fs_show_options, |
0abd675e CY |
2473 | #ifdef CONFIG_QUOTA |
2474 | .quota_read = f2fs_quota_read, | |
2475 | .quota_write = f2fs_quota_write, | |
2476 | .get_dquots = f2fs_get_dquots, | |
2477 | #endif | |
aff063e2 JK |
2478 | .evict_inode = f2fs_evict_inode, |
2479 | .put_super = f2fs_put_super, | |
2480 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2481 | .freeze_fs = f2fs_freeze, |
2482 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2483 | .statfs = f2fs_statfs, |
696c018c | 2484 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2485 | }; |
2486 | ||
643fa961 | 2487 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2488 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2489 | { | |
2490 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2491 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2492 | ctx, len, NULL); | |
2493 | } | |
2494 | ||
2495 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2496 | void *fs_data) | |
2497 | { | |
b7c409de SY |
2498 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2499 | ||
2500 | /* | |
2501 | * Encrypting the root directory is not allowed because fsck | |
2502 | * expects lost+found directory to exist and remain unencrypted | |
2503 | * if LOST_FOUND feature is enabled. | |
2504 | * | |
2505 | */ | |
7beb01f7 | 2506 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2507 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2508 | return -EPERM; | |
2509 | ||
0b81d077 JK |
2510 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2511 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2512 | ctx, len, fs_data, XATTR_CREATE); | |
2513 | } | |
2514 | ||
ac4acb1f | 2515 | static const union fscrypt_policy *f2fs_get_dummy_policy(struct super_block *sb) |
ff62af20 | 2516 | { |
ac4acb1f | 2517 | return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_policy.policy; |
ff62af20 SY |
2518 | } |
2519 | ||
0eee17e3 EB |
2520 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
2521 | { | |
2522 | return true; | |
2523 | } | |
2524 | ||
2525 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
2526 | int *ino_bits_ret, int *lblk_bits_ret) | |
2527 | { | |
2528 | *ino_bits_ret = 8 * sizeof(nid_t); | |
2529 | *lblk_bits_ret = 8 * sizeof(block_t); | |
2530 | } | |
2531 | ||
27aacd28 ST |
2532 | static int f2fs_get_num_devices(struct super_block *sb) |
2533 | { | |
2534 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2535 | ||
2536 | if (f2fs_is_multi_device(sbi)) | |
2537 | return sbi->s_ndevs; | |
2538 | return 1; | |
2539 | } | |
2540 | ||
2541 | static void f2fs_get_devices(struct super_block *sb, | |
2542 | struct request_queue **devs) | |
2543 | { | |
2544 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2545 | int i; | |
2546 | ||
2547 | for (i = 0; i < sbi->s_ndevs; i++) | |
2548 | devs[i] = bdev_get_queue(FDEV(i).bdev); | |
2549 | } | |
2550 | ||
6f69f0ed | 2551 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
2552 | .key_prefix = "f2fs:", |
2553 | .get_context = f2fs_get_context, | |
2554 | .set_context = f2fs_set_context, | |
ac4acb1f | 2555 | .get_dummy_policy = f2fs_get_dummy_policy, |
0eee17e3 EB |
2556 | .empty_dir = f2fs_empty_dir, |
2557 | .max_namelen = F2FS_NAME_LEN, | |
2558 | .has_stable_inodes = f2fs_has_stable_inodes, | |
2559 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
27aacd28 ST |
2560 | .get_num_devices = f2fs_get_num_devices, |
2561 | .get_devices = f2fs_get_devices, | |
0b81d077 | 2562 | }; |
0b81d077 JK |
2563 | #endif |
2564 | ||
aff063e2 JK |
2565 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2566 | u64 ino, u32 generation) | |
2567 | { | |
2568 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2569 | struct inode *inode; | |
2570 | ||
4d57b86d | 2571 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2572 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2573 | |
2574 | /* | |
2575 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2576 | * However f2fs_iget currently does appropriate checks to handle stale | |
2577 | * inodes so everything is OK. | |
2578 | */ | |
2579 | inode = f2fs_iget(sb, ino); | |
2580 | if (IS_ERR(inode)) | |
2581 | return ERR_CAST(inode); | |
6bacf52f | 2582 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2583 | /* we didn't find the right inode.. */ |
2584 | iput(inode); | |
2585 | return ERR_PTR(-ESTALE); | |
2586 | } | |
2587 | return inode; | |
2588 | } | |
2589 | ||
2590 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2591 | int fh_len, int fh_type) | |
2592 | { | |
2593 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2594 | f2fs_nfs_get_inode); | |
2595 | } | |
2596 | ||
2597 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2598 | int fh_len, int fh_type) | |
2599 | { | |
2600 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2601 | f2fs_nfs_get_inode); | |
2602 | } | |
2603 | ||
2604 | static const struct export_operations f2fs_export_ops = { | |
2605 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2606 | .fh_to_parent = f2fs_fh_to_parent, | |
2607 | .get_parent = f2fs_get_parent, | |
2608 | }; | |
2609 | ||
e0afc4d6 | 2610 | static loff_t max_file_blocks(void) |
aff063e2 | 2611 | { |
7a2af766 | 2612 | loff_t result = 0; |
d02a6e61 | 2613 | loff_t leaf_count = DEF_ADDRS_PER_BLOCK; |
aff063e2 | 2614 | |
7a2af766 CY |
2615 | /* |
2616 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2617 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2618 | * space in inode.i_addr, it will be more safe to reassign |
2619 | * result as zero. | |
2620 | */ | |
2621 | ||
aff063e2 JK |
2622 | /* two direct node blocks */ |
2623 | result += (leaf_count * 2); | |
2624 | ||
2625 | /* two indirect node blocks */ | |
2626 | leaf_count *= NIDS_PER_BLOCK; | |
2627 | result += (leaf_count * 2); | |
2628 | ||
2629 | /* one double indirect node block */ | |
2630 | leaf_count *= NIDS_PER_BLOCK; | |
2631 | result += leaf_count; | |
2632 | ||
aff063e2 JK |
2633 | return result; |
2634 | } | |
2635 | ||
fd694733 JK |
2636 | static int __f2fs_commit_super(struct buffer_head *bh, |
2637 | struct f2fs_super_block *super) | |
2638 | { | |
2639 | lock_buffer(bh); | |
2640 | if (super) | |
2641 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2642 | set_buffer_dirty(bh); |
2643 | unlock_buffer(bh); | |
2644 | ||
2645 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2646 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2647 | } |
2648 | ||
df728b0f | 2649 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2650 | struct buffer_head *bh) |
9a59b62f | 2651 | { |
fd694733 JK |
2652 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2653 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2654 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2655 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2656 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2657 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2658 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2659 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2660 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2661 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2662 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2663 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2664 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2665 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2666 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2667 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2668 | u64 main_end_blkaddr = main_blkaddr + |
2669 | (segment_count_main << log_blocks_per_seg); | |
2670 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2671 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2672 | |
2673 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2674 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2675 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2676 | return true; |
2677 | } | |
2678 | ||
2679 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2680 | sit_blkaddr) { | |
dcbb4c10 JP |
2681 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2682 | cp_blkaddr, sit_blkaddr, | |
2683 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2684 | return true; |
2685 | } | |
2686 | ||
2687 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2688 | nat_blkaddr) { | |
dcbb4c10 JP |
2689 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2690 | sit_blkaddr, nat_blkaddr, | |
2691 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2692 | return true; |
2693 | } | |
2694 | ||
2695 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2696 | ssa_blkaddr) { | |
dcbb4c10 JP |
2697 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2698 | nat_blkaddr, ssa_blkaddr, | |
2699 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2700 | return true; |
2701 | } | |
2702 | ||
2703 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2704 | main_blkaddr) { | |
dcbb4c10 JP |
2705 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2706 | ssa_blkaddr, main_blkaddr, | |
2707 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2708 | return true; |
2709 | } | |
2710 | ||
fd694733 | 2711 | if (main_end_blkaddr > seg_end_blkaddr) { |
d89f5891 WX |
2712 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%llu) block(%u)", |
2713 | main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 2714 | segment_count_main << log_blocks_per_seg); |
9a59b62f | 2715 | return true; |
fd694733 JK |
2716 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2717 | int err = 0; | |
2718 | char *res; | |
2719 | ||
2720 | /* fix in-memory information all the time */ | |
2721 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2722 | segment0_blkaddr) >> log_blocks_per_seg); | |
2723 | ||
2724 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2725 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2726 | res = "internally"; |
2727 | } else { | |
2728 | err = __f2fs_commit_super(bh, NULL); | |
2729 | res = err ? "failed" : "done"; | |
2730 | } | |
d89f5891 WX |
2731 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)", |
2732 | res, main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 2733 | segment_count_main << log_blocks_per_seg); |
fd694733 JK |
2734 | if (err) |
2735 | return true; | |
9a59b62f | 2736 | } |
9a59b62f CY |
2737 | return false; |
2738 | } | |
2739 | ||
df728b0f | 2740 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2741 | struct buffer_head *bh) |
aff063e2 | 2742 | { |
f99ba9ad | 2743 | block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main; |
0cfe75c5 | 2744 | block_t total_sections, blocks_per_seg; |
fd694733 JK |
2745 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2746 | (bh->b_data + F2FS_SUPER_OFFSET); | |
aff063e2 | 2747 | unsigned int blocksize; |
d440c52d JZ |
2748 | size_t crc_offset = 0; |
2749 | __u32 crc = 0; | |
2750 | ||
38fb6d0e IZ |
2751 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2752 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2753 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2754 | return -EINVAL; | |
2755 | } | |
2756 | ||
d440c52d | 2757 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2758 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2759 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2760 | if (crc_offset != | |
2761 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2762 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2763 | crc_offset); | |
38fb6d0e | 2764 | return -EFSCORRUPTED; |
d440c52d JZ |
2765 | } |
2766 | crc = le32_to_cpu(raw_super->crc); | |
2767 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2768 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2769 | return -EFSCORRUPTED; |
d440c52d JZ |
2770 | } |
2771 | } | |
aff063e2 | 2772 | |
5c9b4692 | 2773 | /* Currently, support only 4KB page cache size */ |
09cbfeaf | 2774 | if (F2FS_BLKSIZE != PAGE_SIZE) { |
dcbb4c10 JP |
2775 | f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", |
2776 | PAGE_SIZE); | |
38fb6d0e | 2777 | return -EFSCORRUPTED; |
5c9b4692 | 2778 | } |
2779 | ||
aff063e2 JK |
2780 | /* Currently, support only 4KB block size */ |
2781 | blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); | |
5c9b4692 | 2782 | if (blocksize != F2FS_BLKSIZE) { |
dcbb4c10 JP |
2783 | f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", |
2784 | blocksize); | |
38fb6d0e | 2785 | return -EFSCORRUPTED; |
a07ef784 | 2786 | } |
5c9b4692 | 2787 | |
9a59b62f CY |
2788 | /* check log blocks per segment */ |
2789 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2790 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2791 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2792 | return -EFSCORRUPTED; |
9a59b62f CY |
2793 | } |
2794 | ||
55cf9cb6 CY |
2795 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2796 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2797 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2798 | le32_to_cpu(raw_super->log_sectorsize) < | |
2799 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2800 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2801 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2802 | return -EFSCORRUPTED; |
a07ef784 | 2803 | } |
55cf9cb6 CY |
2804 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2805 | le32_to_cpu(raw_super->log_sectorsize) != | |
2806 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2807 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
2808 | le32_to_cpu(raw_super->log_sectors_per_block), | |
2809 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2810 | return -EFSCORRUPTED; |
a07ef784 | 2811 | } |
9a59b62f | 2812 | |
0cfe75c5 | 2813 | segment_count = le32_to_cpu(raw_super->segment_count); |
f99ba9ad | 2814 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); |
0cfe75c5 JK |
2815 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); |
2816 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2817 | total_sections = le32_to_cpu(raw_super->section_count); | |
2818 | ||
2819 | /* blocks_per_seg should be 512, given the above check */ | |
2820 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
2821 | ||
2822 | if (segment_count > F2FS_MAX_SEGMENT || | |
2823 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 2824 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 2825 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2826 | } |
2827 | ||
f99ba9ad | 2828 | if (total_sections > segment_count_main || total_sections < 1 || |
0cfe75c5 | 2829 | segs_per_sec > segment_count || !segs_per_sec) { |
dcbb4c10 JP |
2830 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
2831 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 2832 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2833 | } |
2834 | ||
3a22e9ac CY |
2835 | if (segment_count_main != total_sections * segs_per_sec) { |
2836 | f2fs_info(sbi, "Invalid segment/section count (%u != %u * %u)", | |
2837 | segment_count_main, total_sections, segs_per_sec); | |
2838 | return -EFSCORRUPTED; | |
2839 | } | |
2840 | ||
0cfe75c5 | 2841 | if ((segment_count / segs_per_sec) < total_sections) { |
dcbb4c10 JP |
2842 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
2843 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 2844 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2845 | } |
2846 | ||
88960068 | 2847 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
2848 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
2849 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 2850 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2851 | } |
2852 | ||
9f701f6c QS |
2853 | if (RDEV(0).path[0]) { |
2854 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
2855 | int i = 1; | |
2856 | ||
2857 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
2858 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
2859 | i++; | |
2860 | } | |
2861 | if (segment_count != dev_seg_count) { | |
2862 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
2863 | segment_count, dev_seg_count); | |
2864 | return -EFSCORRUPTED; | |
2865 | } | |
07eb1d69 CY |
2866 | } else { |
2867 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_BLKZONED) && | |
2868 | !bdev_is_zoned(sbi->sb->s_bdev)) { | |
2869 | f2fs_info(sbi, "Zoned block device path is missing"); | |
2870 | return -EFSCORRUPTED; | |
2871 | } | |
9f701f6c QS |
2872 | } |
2873 | ||
42bf546c | 2874 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
2875 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
2876 | secs_per_zone, total_sections); | |
38fb6d0e | 2877 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2878 | } |
2879 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
2880 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
2881 | (le32_to_cpu(raw_super->extension_count) + | |
2882 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
2883 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
2884 | le32_to_cpu(raw_super->extension_count), | |
2885 | raw_super->hot_ext_count, | |
2886 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 2887 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2888 | } |
2889 | ||
2890 | if (le32_to_cpu(raw_super->cp_payload) > | |
2891 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
2892 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
2893 | le32_to_cpu(raw_super->cp_payload), | |
2894 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 2895 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2896 | } |
2897 | ||
9a59b62f CY |
2898 | /* check reserved ino info */ |
2899 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
2900 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
2901 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
2902 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
2903 | le32_to_cpu(raw_super->node_ino), | |
2904 | le32_to_cpu(raw_super->meta_ino), | |
2905 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 2906 | return -EFSCORRUPTED; |
9a59b62f CY |
2907 | } |
2908 | ||
2909 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 2910 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 2911 | return -EFSCORRUPTED; |
9a59b62f | 2912 | |
aff063e2 JK |
2913 | return 0; |
2914 | } | |
2915 | ||
4d57b86d | 2916 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
2917 | { |
2918 | unsigned int total, fsmeta; | |
577e3495 JK |
2919 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
2920 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 2921 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 2922 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
2923 | unsigned int sit_segs, nat_segs; |
2924 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
2925 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 2926 | unsigned int segment_count_main; |
e494c2f9 | 2927 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
2928 | block_t user_block_count, valid_user_blocks; |
2929 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 2930 | int i, j; |
aff063e2 JK |
2931 | |
2932 | total = le32_to_cpu(raw_super->segment_count); | |
2933 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
2934 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
2935 | fsmeta += sit_segs; | |
2936 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
2937 | fsmeta += nat_segs; | |
aff063e2 JK |
2938 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
2939 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
2940 | ||
6bacf52f | 2941 | if (unlikely(fsmeta >= total)) |
aff063e2 | 2942 | return 1; |
577e3495 | 2943 | |
2040fce8 JK |
2944 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
2945 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
2946 | ||
f99ba9ad | 2947 | if (unlikely(fsmeta < F2FS_MIN_META_SEGMENTS || |
2040fce8 | 2948 | ovp_segments == 0 || reserved_segments == 0)) { |
dcbb4c10 | 2949 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
2950 | return 1; |
2951 | } | |
2952 | ||
9dc956b2 CY |
2953 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
2954 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2955 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2956 | if (!user_block_count || user_block_count >= | |
2957 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
2958 | f2fs_err(sbi, "Wrong user_block_count: %u", |
2959 | user_block_count); | |
9dc956b2 CY |
2960 | return 1; |
2961 | } | |
2962 | ||
7b63f72f CY |
2963 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
2964 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
2965 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
2966 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
2967 | return 1; |
2968 | } | |
2969 | ||
2970 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 2971 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 2972 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
2973 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
2974 | valid_node_count, avail_node_count); | |
7b63f72f CY |
2975 | return 1; |
2976 | } | |
2977 | ||
15d3042a JQ |
2978 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
2979 | blocks_per_seg = sbi->blocks_per_seg; | |
2980 | ||
2981 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2982 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
2983 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
2984 | return 1; | |
042be0f8 CY |
2985 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
2986 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2987 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
2988 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
2989 | i, j, | |
2990 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2991 | return 1; |
2992 | } | |
2993 | } | |
15d3042a JQ |
2994 | } |
2995 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
2996 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
2997 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
2998 | return 1; | |
042be0f8 CY |
2999 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
3000 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
3001 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
3002 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
3003 | i, j, | |
3004 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
3005 | return 1; |
3006 | } | |
3007 | } | |
3008 | } | |
3009 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 3010 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
3011 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
3012 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 3013 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
3014 | i, j, |
3015 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3016 | return 1; |
3017 | } | |
3018 | } | |
15d3042a JQ |
3019 | } |
3020 | ||
c77ec61c CY |
3021 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
3022 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
3023 | |
3024 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
3025 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
3026 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
3027 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
3028 | return 1; |
3029 | } | |
e494c2f9 CY |
3030 | |
3031 | cp_pack_start_sum = __start_sum_addr(sbi); | |
3032 | cp_payload = __cp_payload(sbi); | |
3033 | if (cp_pack_start_sum < cp_payload + 1 || | |
3034 | cp_pack_start_sum > blocks_per_seg - 1 - | |
d0b9e42a | 3035 | NR_CURSEG_PERSIST_TYPE) { |
dcbb4c10 JP |
3036 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
3037 | cp_pack_start_sum); | |
e494c2f9 CY |
3038 | return 1; |
3039 | } | |
c77ec61c | 3040 | |
5dae2d39 CY |
3041 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
3042 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
3043 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
3044 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
3045 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 3046 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
3047 | return 1; |
3048 | } | |
3049 | ||
1e968fdf | 3050 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 3051 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
3052 | return 1; |
3053 | } | |
aff063e2 JK |
3054 | return 0; |
3055 | } | |
3056 | ||
3057 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
3058 | { | |
3059 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 3060 | int i; |
aff063e2 JK |
3061 | |
3062 | sbi->log_sectors_per_block = | |
3063 | le32_to_cpu(raw_super->log_sectors_per_block); | |
3064 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
3065 | sbi->blocksize = 1 << sbi->log_blocksize; | |
3066 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
3067 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
3068 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
3069 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3070 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
3071 | sbi->total_node_count = | |
3072 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
3073 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
3074 | sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); | |
3075 | sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); | |
3076 | sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 3077 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
3078 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
3079 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 3080 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 3081 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 3082 | |
ab9fa662 | 3083 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 3084 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 3085 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
3086 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
3087 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 3088 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
3089 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
3090 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 3091 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 3092 | |
35782b23 JK |
3093 | for (i = 0; i < NR_COUNT_TYPE; i++) |
3094 | atomic_set(&sbi->nr_pages[i], 0); | |
3095 | ||
c29fd0c0 CY |
3096 | for (i = 0; i < META; i++) |
3097 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 3098 | |
2658e50d JK |
3099 | INIT_LIST_HEAD(&sbi->s_list); |
3100 | mutex_init(&sbi->umount_mutex); | |
107a805d | 3101 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 3102 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
3103 | |
3104 | sbi->dirty_device = 0; | |
3105 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 3106 | |
846ae671 | 3107 | init_rwsem(&sbi->sb_lock); |
f5a53edc | 3108 | init_rwsem(&sbi->pin_sem); |
aff063e2 JK |
3109 | } |
3110 | ||
523be8a6 JK |
3111 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
3112 | { | |
35782b23 | 3113 | int err; |
41382ec4 | 3114 | |
513c5f37 JK |
3115 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
3116 | if (err) | |
3117 | return err; | |
3118 | ||
4a70e255 | 3119 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 3120 | GFP_KERNEL); |
4a70e255 CY |
3121 | if (err) |
3122 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
3123 | ||
3124 | return err; | |
523be8a6 JK |
3125 | } |
3126 | ||
178053e2 | 3127 | #ifdef CONFIG_BLK_DEV_ZONED |
de881df9 AR |
3128 | |
3129 | struct f2fs_report_zones_args { | |
3130 | struct f2fs_dev_info *dev; | |
3131 | bool zone_cap_mismatch; | |
3132 | }; | |
3133 | ||
d4100351 | 3134 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
de881df9 | 3135 | void *data) |
d4100351 | 3136 | { |
de881df9 AR |
3137 | struct f2fs_report_zones_args *rz_args = data; |
3138 | ||
3139 | if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) | |
3140 | return 0; | |
3141 | ||
3142 | set_bit(idx, rz_args->dev->blkz_seq); | |
3143 | rz_args->dev->zone_capacity_blocks[idx] = zone->capacity >> | |
3144 | F2FS_LOG_SECTORS_PER_BLOCK; | |
3145 | if (zone->len != zone->capacity && !rz_args->zone_cap_mismatch) | |
3146 | rz_args->zone_cap_mismatch = true; | |
d4100351 | 3147 | |
d4100351 CH |
3148 | return 0; |
3149 | } | |
3150 | ||
3c62be17 | 3151 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3152 | { |
3c62be17 | 3153 | struct block_device *bdev = FDEV(devi).bdev; |
a782483c | 3154 | sector_t nr_sectors = bdev_nr_sectors(bdev); |
de881df9 | 3155 | struct f2fs_report_zones_args rep_zone_arg; |
d4100351 | 3156 | int ret; |
178053e2 | 3157 | |
7beb01f7 | 3158 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3159 | return 0; |
3160 | ||
3c62be17 | 3161 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 3162 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 3163 | return -EINVAL; |
f99e8648 | 3164 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
3165 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3166 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3167 | return -EINVAL; | |
178053e2 | 3168 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3169 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3170 | sbi->log_blocks_per_blkz; | |
f99e8648 | 3171 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 3172 | FDEV(devi).nr_blkz++; |
178053e2 | 3173 | |
0b6d4ca0 | 3174 | FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, |
95175daf DLM |
3175 | BITS_TO_LONGS(FDEV(devi).nr_blkz) |
3176 | * sizeof(unsigned long), | |
3177 | GFP_KERNEL); | |
3178 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3179 | return -ENOMEM; |
3180 | ||
de881df9 AR |
3181 | /* Get block zones type and zone-capacity */ |
3182 | FDEV(devi).zone_capacity_blocks = f2fs_kzalloc(sbi, | |
3183 | FDEV(devi).nr_blkz * sizeof(block_t), | |
3184 | GFP_KERNEL); | |
3185 | if (!FDEV(devi).zone_capacity_blocks) | |
3186 | return -ENOMEM; | |
3187 | ||
3188 | rep_zone_arg.dev = &FDEV(devi); | |
3189 | rep_zone_arg.zone_cap_mismatch = false; | |
3190 | ||
d4100351 | 3191 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
de881df9 | 3192 | &rep_zone_arg); |
d4100351 CH |
3193 | if (ret < 0) |
3194 | return ret; | |
178053e2 | 3195 | |
de881df9 AR |
3196 | if (!rep_zone_arg.zone_cap_mismatch) { |
3197 | kfree(FDEV(devi).zone_capacity_blocks); | |
3198 | FDEV(devi).zone_capacity_blocks = NULL; | |
3199 | } | |
3200 | ||
d4100351 | 3201 | return 0; |
178053e2 DLM |
3202 | } |
3203 | #endif | |
3204 | ||
9076a75f GZ |
3205 | /* |
3206 | * Read f2fs raw super block. | |
2b39e907 SL |
3207 | * Because we have two copies of super block, so read both of them |
3208 | * to get the first valid one. If any one of them is broken, we pass | |
3209 | * them recovery flag back to the caller. | |
9076a75f | 3210 | */ |
df728b0f | 3211 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3212 | struct f2fs_super_block **raw_super, |
e8240f65 | 3213 | int *valid_super_block, int *recovery) |
14d7e9de | 3214 | { |
df728b0f | 3215 | struct super_block *sb = sbi->sb; |
2b39e907 | 3216 | int block; |
e8240f65 | 3217 | struct buffer_head *bh; |
fd694733 | 3218 | struct f2fs_super_block *super; |
da554e48 | 3219 | int err = 0; |
14d7e9de | 3220 | |
b39f0de2 YH |
3221 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3222 | if (!super) | |
3223 | return -ENOMEM; | |
2b39e907 SL |
3224 | |
3225 | for (block = 0; block < 2; block++) { | |
3226 | bh = sb_bread(sb, block); | |
3227 | if (!bh) { | |
dcbb4c10 JP |
3228 | f2fs_err(sbi, "Unable to read %dth superblock", |
3229 | block + 1); | |
2b39e907 | 3230 | err = -EIO; |
ed352042 | 3231 | *recovery = 1; |
2b39e907 SL |
3232 | continue; |
3233 | } | |
14d7e9de | 3234 | |
2b39e907 | 3235 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3236 | err = sanity_check_raw_super(sbi, bh); |
3237 | if (err) { | |
dcbb4c10 JP |
3238 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3239 | block + 1); | |
2b39e907 | 3240 | brelse(bh); |
ed352042 | 3241 | *recovery = 1; |
2b39e907 SL |
3242 | continue; |
3243 | } | |
14d7e9de | 3244 | |
2b39e907 | 3245 | if (!*raw_super) { |
fd694733 JK |
3246 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3247 | sizeof(*super)); | |
2b39e907 SL |
3248 | *valid_super_block = block; |
3249 | *raw_super = super; | |
3250 | } | |
3251 | brelse(bh); | |
da554e48 | 3252 | } |
3253 | ||
da554e48 | 3254 | /* No valid superblock */ |
2b39e907 | 3255 | if (!*raw_super) |
742532d1 | 3256 | kfree(super); |
2b39e907 SL |
3257 | else |
3258 | err = 0; | |
da554e48 | 3259 | |
2b39e907 | 3260 | return err; |
14d7e9de | 3261 | } |
3262 | ||
fd694733 | 3263 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3264 | { |
5d909cdb | 3265 | struct buffer_head *bh; |
d440c52d | 3266 | __u32 crc = 0; |
26d815ad JK |
3267 | int err; |
3268 | ||
df728b0f JK |
3269 | if ((recover && f2fs_readonly(sbi->sb)) || |
3270 | bdev_read_only(sbi->sb->s_bdev)) { | |
3271 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3272 | return -EROFS; |
df728b0f | 3273 | } |
f2353d7b | 3274 | |
d440c52d | 3275 | /* we should update superblock crc here */ |
7beb01f7 | 3276 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3277 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3278 | offsetof(struct f2fs_super_block, crc)); | |
3279 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3280 | } | |
3281 | ||
fd694733 | 3282 | /* write back-up superblock first */ |
0964fc1a | 3283 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3284 | if (!bh) |
3285 | return -EIO; | |
fd694733 | 3286 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3287 | brelse(bh); |
c5bda1c8 CY |
3288 | |
3289 | /* if we are in recovery path, skip writing valid superblock */ | |
3290 | if (recover || err) | |
5d909cdb | 3291 | return err; |
26d815ad JK |
3292 | |
3293 | /* write current valid superblock */ | |
0964fc1a | 3294 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3295 | if (!bh) |
3296 | return -EIO; | |
3297 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3298 | brelse(bh); | |
3299 | return err; | |
26d815ad JK |
3300 | } |
3301 | ||
3c62be17 JK |
3302 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3303 | { | |
3304 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3305 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
3306 | int i; |
3307 | ||
7bb3a371 MS |
3308 | /* Initialize single device information */ |
3309 | if (!RDEV(0).path[0]) { | |
3310 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3311 | return 0; |
7bb3a371 MS |
3312 | max_devices = 1; |
3313 | } | |
3c62be17 | 3314 | |
7bb3a371 MS |
3315 | /* |
3316 | * Initialize multiple devices information, or single | |
3317 | * zoned block device information. | |
3318 | */ | |
026f0507 KC |
3319 | sbi->devs = f2fs_kzalloc(sbi, |
3320 | array_size(max_devices, | |
3321 | sizeof(struct f2fs_dev_info)), | |
3322 | GFP_KERNEL); | |
7bb3a371 MS |
3323 | if (!sbi->devs) |
3324 | return -ENOMEM; | |
3c62be17 | 3325 | |
7bb3a371 | 3326 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3327 | |
7bb3a371 MS |
3328 | if (i > 0 && !RDEV(i).path[0]) |
3329 | break; | |
3330 | ||
3331 | if (max_devices == 1) { | |
3332 | /* Single zoned block device mount */ | |
3333 | FDEV(0).bdev = | |
3334 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3335 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3336 | } else { |
3337 | /* Multi-device mount */ | |
3338 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3339 | FDEV(i).total_segments = | |
3340 | le32_to_cpu(RDEV(i).total_segments); | |
3341 | if (i == 0) { | |
3342 | FDEV(i).start_blk = 0; | |
3343 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3344 | (FDEV(i).total_segments << | |
3345 | sbi->log_blocks_per_seg) - 1 + | |
3346 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3347 | } else { | |
3348 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3349 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3350 | (FDEV(i).total_segments << | |
3351 | sbi->log_blocks_per_seg) - 1; | |
3352 | } | |
3353 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3354 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3355 | } |
3c62be17 JK |
3356 | if (IS_ERR(FDEV(i).bdev)) |
3357 | return PTR_ERR(FDEV(i).bdev); | |
3358 | ||
3359 | /* to release errored devices */ | |
3360 | sbi->s_ndevs = i + 1; | |
3361 | ||
3362 | #ifdef CONFIG_BLK_DEV_ZONED | |
3363 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3364 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3365 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3366 | return -EINVAL; |
3367 | } | |
3368 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3369 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3370 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3371 | return -EINVAL; |
3372 | } | |
7bb3a371 MS |
3373 | if (max_devices == 1) |
3374 | break; | |
dcbb4c10 JP |
3375 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3376 | i, FDEV(i).path, | |
3377 | FDEV(i).total_segments, | |
3378 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3379 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3380 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3381 | continue; |
3382 | } | |
3383 | #endif | |
dcbb4c10 JP |
3384 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3385 | i, FDEV(i).path, | |
3386 | FDEV(i).total_segments, | |
3387 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3388 | } | |
3389 | f2fs_info(sbi, | |
3390 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3391 | return 0; |
3392 | } | |
3393 | ||
5aba5430 DR |
3394 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3395 | { | |
3396 | #ifdef CONFIG_UNICODE | |
eca4873e | 3397 | if (f2fs_sb_has_casefold(sbi) && !sbi->sb->s_encoding) { |
5aba5430 DR |
3398 | const struct f2fs_sb_encodings *encoding_info; |
3399 | struct unicode_map *encoding; | |
3400 | __u16 encoding_flags; | |
3401 | ||
3402 | if (f2fs_sb_has_encrypt(sbi)) { | |
3403 | f2fs_err(sbi, | |
3404 | "Can't mount with encoding and encryption"); | |
3405 | return -EINVAL; | |
3406 | } | |
3407 | ||
3408 | if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, | |
3409 | &encoding_flags)) { | |
3410 | f2fs_err(sbi, | |
3411 | "Encoding requested by superblock is unknown"); | |
3412 | return -EINVAL; | |
3413 | } | |
3414 | ||
3415 | encoding = utf8_load(encoding_info->version); | |
3416 | if (IS_ERR(encoding)) { | |
3417 | f2fs_err(sbi, | |
3418 | "can't mount with superblock charset: %s-%s " | |
3419 | "not supported by the kernel. flags: 0x%x.", | |
3420 | encoding_info->name, encoding_info->version, | |
3421 | encoding_flags); | |
3422 | return PTR_ERR(encoding); | |
3423 | } | |
3424 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
3425 | "%s-%s with flags 0x%hx", encoding_info->name, | |
3426 | encoding_info->version?:"\b", encoding_flags); | |
3427 | ||
eca4873e DR |
3428 | sbi->sb->s_encoding = encoding; |
3429 | sbi->sb->s_encoding_flags = encoding_flags; | |
2c2eb7a3 | 3430 | sbi->sb->s_d_op = &f2fs_dentry_ops; |
5aba5430 DR |
3431 | } |
3432 | #else | |
3433 | if (f2fs_sb_has_casefold(sbi)) { | |
3434 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3435 | return -EINVAL; | |
3436 | } | |
3437 | #endif | |
3438 | return 0; | |
3439 | } | |
3440 | ||
84b89e5d JK |
3441 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3442 | { | |
3443 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3444 | ||
3445 | /* adjust parameters according to the volume size */ | |
3446 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3447 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3448 | sm_i->dcc_info->discard_granularity = 1; |
3449 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3450 | } | |
4cac90d5 CY |
3451 | |
3452 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3453 | } |
3454 | ||
aff063e2 JK |
3455 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3456 | { | |
3457 | struct f2fs_sb_info *sbi; | |
da554e48 | 3458 | struct f2fs_super_block *raw_super; |
aff063e2 | 3459 | struct inode *root; |
99e3e858 | 3460 | int err; |
aa2c8c43 | 3461 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3462 | char *options = NULL; |
e8240f65 | 3463 | int recovery, i, valid_super_block; |
8f1dbbbb | 3464 | struct curseg_info *seg_i; |
aa2c8c43 | 3465 | int retry_cnt = 1; |
aff063e2 | 3466 | |
ed2e621a | 3467 | try_onemore: |
da554e48 | 3468 | err = -EINVAL; |
3469 | raw_super = NULL; | |
e8240f65 | 3470 | valid_super_block = -1; |
da554e48 | 3471 | recovery = 0; |
3472 | ||
aff063e2 JK |
3473 | /* allocate memory for f2fs-specific super block info */ |
3474 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3475 | if (!sbi) | |
3476 | return -ENOMEM; | |
3477 | ||
df728b0f JK |
3478 | sbi->sb = sb; |
3479 | ||
43b6573b KM |
3480 | /* Load the checksum driver */ |
3481 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3482 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3483 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3484 | err = PTR_ERR(sbi->s_chksum_driver); |
3485 | sbi->s_chksum_driver = NULL; | |
3486 | goto free_sbi; | |
3487 | } | |
3488 | ||
ff9234ad | 3489 | /* set a block size */ |
6bacf52f | 3490 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3491 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3492 | goto free_sbi; |
a07ef784 | 3493 | } |
aff063e2 | 3494 | |
df728b0f | 3495 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3496 | &recovery); |
9076a75f GZ |
3497 | if (err) |
3498 | goto free_sbi; | |
3499 | ||
5fb08372 | 3500 | sb->s_fs_info = sbi; |
52763a4b JK |
3501 | sbi->raw_super = raw_super; |
3502 | ||
704956ec | 3503 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3504 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3505 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3506 | sizeof(raw_super->uuid)); | |
3507 | ||
498c5e9f | 3508 | default_options(sbi); |
aff063e2 | 3509 | /* parse mount options */ |
dabc4a5c JK |
3510 | options = kstrdup((const char *)data, GFP_KERNEL); |
3511 | if (data && !options) { | |
3512 | err = -ENOMEM; | |
aff063e2 | 3513 | goto free_sb_buf; |
dabc4a5c JK |
3514 | } |
3515 | ||
ed318a6c | 3516 | err = parse_options(sb, options, false); |
dabc4a5c JK |
3517 | if (err) |
3518 | goto free_options; | |
aff063e2 | 3519 | |
e0afc4d6 CY |
3520 | sbi->max_file_blocks = max_file_blocks(); |
3521 | sb->s_maxbytes = sbi->max_file_blocks << | |
3522 | le32_to_cpu(raw_super->log_blocksize); | |
aff063e2 | 3523 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3524 | |
5aba5430 DR |
3525 | err = f2fs_setup_casefold(sbi); |
3526 | if (err) | |
3527 | goto free_options; | |
3528 | ||
0abd675e CY |
3529 | #ifdef CONFIG_QUOTA |
3530 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3531 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3532 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3533 | |
7beb01f7 | 3534 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3535 | for (i = 0; i < MAXQUOTAS; i++) { |
3536 | if (f2fs_qf_ino(sbi->sb, i)) | |
3537 | sbi->nquota_files++; | |
3538 | } | |
3539 | } | |
0abd675e CY |
3540 | #endif |
3541 | ||
aff063e2 | 3542 | sb->s_op = &f2fs_sops; |
643fa961 | 3543 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3544 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
3545 | #endif |
3546 | #ifdef CONFIG_FS_VERITY | |
3547 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 3548 | #endif |
aff063e2 JK |
3549 | sb->s_xattr = f2fs_xattr_handlers; |
3550 | sb->s_export_op = &f2fs_export_ops; | |
3551 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3552 | sb->s_time_gran = 1; |
1751e8a6 LT |
3553 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3554 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3555 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3556 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3557 | |
3558 | /* init f2fs-specific super block info */ | |
e8240f65 | 3559 | sbi->valid_super_block = valid_super_block; |
fb24fea7 | 3560 | init_rwsem(&sbi->gc_lock); |
853137ce | 3561 | mutex_init(&sbi->writepages); |
aff063e2 | 3562 | mutex_init(&sbi->cp_mutex); |
b3582c68 | 3563 | init_rwsem(&sbi->node_write); |
59c9081b | 3564 | init_rwsem(&sbi->node_change); |
315df839 JK |
3565 | |
3566 | /* disallow all the data/node/meta page writes */ | |
3567 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3568 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3569 | |
b0af6d49 CY |
3570 | /* init iostat info */ |
3571 | spin_lock_init(&sbi->iostat_lock); | |
3572 | sbi->iostat_enable = false; | |
2bc4bea3 | 3573 | sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS; |
b0af6d49 | 3574 | |
458e6197 | 3575 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
a912b54d JK |
3576 | int n = (i == META) ? 1: NR_TEMP_TYPE; |
3577 | int j; | |
3578 | ||
c8606593 KC |
3579 | sbi->write_io[i] = |
3580 | f2fs_kmalloc(sbi, | |
3581 | array_size(n, | |
3582 | sizeof(struct f2fs_bio_info)), | |
3583 | GFP_KERNEL); | |
b63def91 CJ |
3584 | if (!sbi->write_io[i]) { |
3585 | err = -ENOMEM; | |
0b2103e8 | 3586 | goto free_bio_info; |
b63def91 | 3587 | } |
a912b54d JK |
3588 | |
3589 | for (j = HOT; j < n; j++) { | |
3590 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3591 | sbi->write_io[i][j].sbi = sbi; | |
3592 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3593 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3594 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
0b20fcec CY |
3595 | INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); |
3596 | init_rwsem(&sbi->write_io[i][j].bio_list_lock); | |
a912b54d | 3597 | } |
458e6197 | 3598 | } |
971767ca | 3599 | |
b873b798 | 3600 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3601 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3602 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3603 | init_sb_info(sbi); |
3604 | ||
523be8a6 JK |
3605 | err = init_percpu_info(sbi); |
3606 | if (err) | |
d7997e63 | 3607 | goto free_bio_info; |
523be8a6 | 3608 | |
c72db71e | 3609 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3610 | sbi->write_io_dummy = |
a3ebfe4f | 3611 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3612 | if (!sbi->write_io_dummy) { |
3613 | err = -ENOMEM; | |
d7997e63 | 3614 | goto free_percpu; |
1727f317 | 3615 | } |
0a595eba JK |
3616 | } |
3617 | ||
a999150f CY |
3618 | /* init per sbi slab cache */ |
3619 | err = f2fs_init_xattr_caches(sbi); | |
3620 | if (err) | |
3621 | goto free_io_dummy; | |
31083031 CY |
3622 | err = f2fs_init_page_array_cache(sbi); |
3623 | if (err) | |
3624 | goto free_xattr_cache; | |
a999150f | 3625 | |
aff063e2 JK |
3626 | /* get an inode for meta space */ |
3627 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3628 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3629 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3630 | err = PTR_ERR(sbi->meta_inode); |
31083031 | 3631 | goto free_page_array_cache; |
aff063e2 JK |
3632 | } |
3633 | ||
4d57b86d | 3634 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3635 | if (err) { |
dcbb4c10 | 3636 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3637 | goto free_meta_inode; |
a07ef784 | 3638 | } |
aff063e2 | 3639 | |
af033b2a CY |
3640 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3641 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3642 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3643 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3644 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3645 | } | |
af033b2a | 3646 | |
04f0b2ea QS |
3647 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3648 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3649 | ||
3c62be17 JK |
3650 | /* Initialize device list */ |
3651 | err = f2fs_scan_devices(sbi); | |
3652 | if (err) { | |
dcbb4c10 | 3653 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3654 | goto free_devices; |
3655 | } | |
3656 | ||
4c8ff709 CY |
3657 | err = f2fs_init_post_read_wq(sbi); |
3658 | if (err) { | |
3659 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
3660 | goto free_devices; | |
3661 | } | |
3662 | ||
aff063e2 JK |
3663 | sbi->total_valid_node_count = |
3664 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3665 | percpu_counter_set(&sbi->total_valid_inode_count, |
3666 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3667 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3668 | sbi->total_valid_block_count = | |
3669 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3670 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3671 | sbi->reserved_blocks = 0; |
80d42145 | 3672 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3673 | limit_reserve_root(sbi); |
1ae18f71 | 3674 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 3675 | |
c227f912 CY |
3676 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3677 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3678 | spin_lock_init(&sbi->inode_lock[i]); | |
3679 | } | |
040d2bb3 | 3680 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3681 | |
4d57b86d | 3682 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3683 | |
4d57b86d | 3684 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3685 | |
50fa53ec CY |
3686 | f2fs_init_fsync_node_info(sbi); |
3687 | ||
aff063e2 | 3688 | /* setup f2fs internal modules */ |
4d57b86d | 3689 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3690 | if (err) { |
dcbb4c10 JP |
3691 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3692 | err); | |
aff063e2 | 3693 | goto free_sm; |
a07ef784 | 3694 | } |
4d57b86d | 3695 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3696 | if (err) { |
dcbb4c10 JP |
3697 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3698 | err); | |
aff063e2 | 3699 | goto free_nm; |
a07ef784 | 3700 | } |
aff063e2 | 3701 | |
8f1dbbbb | 3702 | /* For write statistics */ |
8446fe92 CH |
3703 | sbi->sectors_written_start = |
3704 | (u64)part_stat_read(sb->s_bdev, sectors[STAT_WRITE]); | |
8f1dbbbb SL |
3705 | |
3706 | /* Read accumulated write IO statistics if exists */ | |
3707 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3708 | if (__exist_node_summaries(sbi)) | |
3709 | sbi->kbytes_written = | |
b2dde6fc | 3710 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3711 | |
4d57b86d | 3712 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3713 | |
60aa4d55 ST |
3714 | err = f2fs_build_stats(sbi); |
3715 | if (err) | |
3716 | goto free_nm; | |
3717 | ||
aff063e2 JK |
3718 | /* get an inode for node space */ |
3719 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3720 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3721 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3722 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3723 | goto free_stats; |
aff063e2 JK |
3724 | } |
3725 | ||
aff063e2 JK |
3726 | /* read root inode and dentry */ |
3727 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3728 | if (IS_ERR(root)) { | |
dcbb4c10 | 3729 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3730 | err = PTR_ERR(root); |
60aa4d55 | 3731 | goto free_node_inode; |
aff063e2 | 3732 | } |
bcbfbd60 CY |
3733 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3734 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3735 | iput(root); |
8f99a946 | 3736 | err = -EINVAL; |
60aa4d55 | 3737 | goto free_node_inode; |
8f99a946 | 3738 | } |
aff063e2 JK |
3739 | |
3740 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3741 | if (!sb->s_root) { | |
3742 | err = -ENOMEM; | |
025cdb16 | 3743 | goto free_node_inode; |
aff063e2 JK |
3744 | } |
3745 | ||
dc6b2055 | 3746 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3747 | if (err) |
a398101a | 3748 | goto free_root_inode; |
b59d0bae | 3749 | |
ea676733 | 3750 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3751 | /* Enable quota usage during mount */ |
7beb01f7 | 3752 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3753 | err = f2fs_enable_quotas(sb); |
730746ce | 3754 | if (err) |
dcbb4c10 | 3755 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3756 | } |
3757 | #endif | |
7a88ddb5 | 3758 | /* if there are any orphan inodes, free them */ |
4d57b86d | 3759 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3760 | if (err) |
ea676733 | 3761 | goto free_meta; |
4b2414d0 | 3762 | |
4354994f | 3763 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3764 | goto reset_checkpoint; |
4354994f | 3765 | |
6437d1b0 | 3766 | /* recover fsynced data */ |
a9117eca CY |
3767 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
3768 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
3769 | /* |
3770 | * mount should be failed, when device has readonly mode, and | |
3771 | * previous checkpoint was not done by clean system shutdown. | |
3772 | */ | |
b61af314 CY |
3773 | if (f2fs_hw_is_readonly(sbi)) { |
3774 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3775 | err = -EROFS; | |
dcbb4c10 | 3776 | f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); |
b61af314 CY |
3777 | goto free_meta; |
3778 | } | |
dcbb4c10 | 3779 | f2fs_info(sbi, "write access unavailable, skipping recovery"); |
b61af314 | 3780 | goto reset_checkpoint; |
081d78c2 | 3781 | } |
2adc3505 CY |
3782 | |
3783 | if (need_fsck) | |
3784 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3785 | ||
aa2c8c43 CY |
3786 | if (skip_recovery) |
3787 | goto reset_checkpoint; | |
a468f0ef | 3788 | |
4d57b86d | 3789 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3790 | if (err < 0) { |
aa2c8c43 CY |
3791 | if (err != -ENOMEM) |
3792 | skip_recovery = true; | |
2adc3505 | 3793 | need_fsck = true; |
dcbb4c10 JP |
3794 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3795 | err); | |
4b2414d0 | 3796 | goto free_meta; |
ed2e621a | 3797 | } |
6781eabb | 3798 | } else { |
4d57b86d | 3799 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
3800 | |
3801 | if (!f2fs_readonly(sb) && err > 0) { | |
3802 | err = -EINVAL; | |
dcbb4c10 | 3803 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 3804 | goto free_meta; |
6781eabb | 3805 | } |
6437d1b0 | 3806 | } |
d508c94e SK |
3807 | |
3808 | /* | |
3809 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
3810 | * check zoned block devices' write pointer consistency. | |
3811 | */ | |
3812 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
3813 | err = f2fs_check_write_pointer(sbi); | |
3814 | if (err) | |
3815 | goto free_meta; | |
3816 | } | |
3817 | ||
aa2c8c43 | 3818 | reset_checkpoint: |
093749e2 CY |
3819 | f2fs_init_inmem_curseg(sbi); |
3820 | ||
4d57b86d | 3821 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 3822 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 3823 | |
4354994f DR |
3824 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
3825 | err = f2fs_disable_checkpoint(sbi); | |
3826 | if (err) | |
812a9597 | 3827 | goto sync_free_meta; |
4354994f DR |
3828 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
3829 | f2fs_enable_checkpoint(sbi); | |
3830 | } | |
3831 | ||
6437d1b0 JK |
3832 | /* |
3833 | * If filesystem is not mounted as read-only then | |
3834 | * do start the gc_thread. | |
3835 | */ | |
bbbc34fd | 3836 | if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) { |
6437d1b0 | 3837 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 3838 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 3839 | if (err) |
812a9597 | 3840 | goto sync_free_meta; |
6437d1b0 | 3841 | } |
5222595d | 3842 | kvfree(options); |
da554e48 | 3843 | |
3844 | /* recover broken superblock */ | |
f2353d7b | 3845 | if (recovery) { |
41214b3c | 3846 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
3847 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
3848 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 3849 | } |
3850 | ||
bae01eda CY |
3851 | f2fs_join_shrinker(sbi); |
3852 | ||
84b89e5d JK |
3853 | f2fs_tuning_parameters(sbi); |
3854 | ||
dcbb4c10 JP |
3855 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
3856 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 3857 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 3858 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 3859 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 3860 | return 0; |
6437d1b0 | 3861 | |
812a9597 JK |
3862 | sync_free_meta: |
3863 | /* safe to flush all the data */ | |
3864 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 3865 | retry_cnt = 0; |
812a9597 | 3866 | |
4b2414d0 | 3867 | free_meta: |
ea676733 | 3868 | #ifdef CONFIG_QUOTA |
26b5a079 | 3869 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 3870 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
3871 | f2fs_quota_off_umount(sbi->sb); |
3872 | #endif | |
4b2414d0 | 3873 | /* |
4d57b86d | 3874 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 3875 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
3876 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
3877 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
3878 | */ |
3879 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
3880 | /* evict some inodes being cached by GC */ |
3881 | evict_inodes(sb); | |
dc6b2055 | 3882 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
3883 | free_root_inode: |
3884 | dput(sb->s_root); | |
3885 | sb->s_root = NULL; | |
3886 | free_node_inode: | |
4d57b86d | 3887 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 3888 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 3889 | iput(sbi->node_inode); |
7c77bf7d | 3890 | sbi->node_inode = NULL; |
60aa4d55 ST |
3891 | free_stats: |
3892 | f2fs_destroy_stats(sbi); | |
aff063e2 | 3893 | free_nm: |
4d57b86d | 3894 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 3895 | free_sm: |
4d57b86d | 3896 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 3897 | f2fs_destroy_post_read_wq(sbi); |
3c62be17 JK |
3898 | free_devices: |
3899 | destroy_device_list(sbi); | |
5222595d | 3900 | kvfree(sbi->ckpt); |
aff063e2 JK |
3901 | free_meta_inode: |
3902 | make_bad_inode(sbi->meta_inode); | |
3903 | iput(sbi->meta_inode); | |
7c77bf7d | 3904 | sbi->meta_inode = NULL; |
31083031 CY |
3905 | free_page_array_cache: |
3906 | f2fs_destroy_page_array_cache(sbi); | |
a999150f CY |
3907 | free_xattr_cache: |
3908 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
3909 | free_io_dummy: |
3910 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
3911 | free_percpu: |
3912 | destroy_percpu_info(sbi); | |
3913 | free_bio_info: | |
a912b54d | 3914 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 3915 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
3916 | |
3917 | #ifdef CONFIG_UNICODE | |
eca4873e | 3918 | utf8_unload(sb->s_encoding); |
5aba5430 | 3919 | #endif |
d7997e63 | 3920 | free_options: |
4b2414d0 CY |
3921 | #ifdef CONFIG_QUOTA |
3922 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 3923 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 3924 | #endif |
ac4acb1f | 3925 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
5222595d | 3926 | kvfree(options); |
aff063e2 | 3927 | free_sb_buf: |
742532d1 | 3928 | kfree(raw_super); |
aff063e2 | 3929 | free_sbi: |
43b6573b KM |
3930 | if (sbi->s_chksum_driver) |
3931 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 3932 | kfree(sbi); |
ed2e621a JK |
3933 | |
3934 | /* give only one another chance */ | |
aa2c8c43 CY |
3935 | if (retry_cnt > 0 && skip_recovery) { |
3936 | retry_cnt--; | |
ed2e621a JK |
3937 | shrink_dcache_sb(sb); |
3938 | goto try_onemore; | |
3939 | } | |
aff063e2 JK |
3940 | return err; |
3941 | } | |
3942 | ||
3943 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
3944 | const char *dev_name, void *data) | |
3945 | { | |
3946 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
3947 | } | |
3948 | ||
30a5537f JK |
3949 | static void kill_f2fs_super(struct super_block *sb) |
3950 | { | |
cce13252 | 3951 | if (sb->s_root) { |
1cb50f87 JK |
3952 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
3953 | ||
3954 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
3955 | f2fs_stop_gc_thread(sbi); | |
3956 | f2fs_stop_discard_thread(sbi); | |
3957 | ||
3958 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
3959 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3960 | struct cp_control cpc = { | |
3961 | .reason = CP_UMOUNT, | |
3962 | }; | |
3963 | f2fs_write_checkpoint(sbi, &cpc); | |
3964 | } | |
1378752b CY |
3965 | |
3966 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
3967 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 3968 | } |
30a5537f JK |
3969 | kill_block_super(sb); |
3970 | } | |
3971 | ||
aff063e2 JK |
3972 | static struct file_system_type f2fs_fs_type = { |
3973 | .owner = THIS_MODULE, | |
3974 | .name = "f2fs", | |
3975 | .mount = f2fs_mount, | |
30a5537f | 3976 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
3977 | .fs_flags = FS_REQUIRES_DEV, |
3978 | }; | |
7f78e035 | 3979 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 3980 | |
6e6093a8 | 3981 | static int __init init_inodecache(void) |
aff063e2 | 3982 | { |
5d097056 VD |
3983 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
3984 | sizeof(struct f2fs_inode_info), 0, | |
3985 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 3986 | if (!f2fs_inode_cachep) |
aff063e2 JK |
3987 | return -ENOMEM; |
3988 | return 0; | |
3989 | } | |
3990 | ||
3991 | static void destroy_inodecache(void) | |
3992 | { | |
3993 | /* | |
3994 | * Make sure all delayed rcu free inodes are flushed before we | |
3995 | * destroy cache. | |
3996 | */ | |
3997 | rcu_barrier(); | |
3998 | kmem_cache_destroy(f2fs_inode_cachep); | |
3999 | } | |
4000 | ||
4001 | static int __init init_f2fs_fs(void) | |
4002 | { | |
4003 | int err; | |
4004 | ||
4071e67c AP |
4005 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
4006 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
4007 | PAGE_SIZE, F2FS_BLKSIZE); | |
4008 | return -EINVAL; | |
4009 | } | |
4010 | ||
c0508650 JK |
4011 | f2fs_build_trace_ios(); |
4012 | ||
aff063e2 JK |
4013 | err = init_inodecache(); |
4014 | if (err) | |
4015 | goto fail; | |
4d57b86d | 4016 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 4017 | if (err) |
9890ff3f | 4018 | goto free_inodecache; |
4d57b86d | 4019 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 4020 | if (err) |
9890ff3f | 4021 | goto free_node_manager_caches; |
4d57b86d | 4022 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 4023 | if (err) |
06292073 | 4024 | goto free_segment_manager_caches; |
4d57b86d | 4025 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
4026 | if (err) |
4027 | goto free_checkpoint_caches; | |
093749e2 | 4028 | err = f2fs_create_garbage_collection_cache(); |
a398101a | 4029 | if (err) |
1dcc336b | 4030 | goto free_extent_cache; |
093749e2 CY |
4031 | err = f2fs_init_sysfs(); |
4032 | if (err) | |
4033 | goto free_garbage_collection_cache; | |
2658e50d | 4034 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 4035 | if (err) |
a398101a | 4036 | goto free_sysfs; |
2658e50d JK |
4037 | err = register_filesystem(&f2fs_fs_type); |
4038 | if (err) | |
4039 | goto free_shrinker; | |
21acc07d | 4040 | f2fs_create_root_stats(); |
6dbb1796 EB |
4041 | err = f2fs_init_post_read_processing(); |
4042 | if (err) | |
4043 | goto free_root_stats; | |
0b20fcec CY |
4044 | err = f2fs_init_bio_entry_cache(); |
4045 | if (err) | |
4046 | goto free_post_read; | |
f543805f CY |
4047 | err = f2fs_init_bioset(); |
4048 | if (err) | |
4049 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
4050 | err = f2fs_init_compress_mempool(); |
4051 | if (err) | |
4052 | goto free_bioset; | |
c68d6c88 CY |
4053 | err = f2fs_init_compress_cache(); |
4054 | if (err) | |
4055 | goto free_compress_mempool; | |
9890ff3f | 4056 | return 0; |
c68d6c88 CY |
4057 | free_compress_mempool: |
4058 | f2fs_destroy_compress_mempool(); | |
5e6bbde9 CY |
4059 | free_bioset: |
4060 | f2fs_destroy_bioset(); | |
f543805f CY |
4061 | free_bio_enrty_cache: |
4062 | f2fs_destroy_bio_entry_cache(); | |
0b20fcec CY |
4063 | free_post_read: |
4064 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
4065 | free_root_stats: |
4066 | f2fs_destroy_root_stats(); | |
787c7b8c | 4067 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
4068 | free_shrinker: |
4069 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 4070 | free_sysfs: |
dc6b2055 | 4071 | f2fs_exit_sysfs(); |
093749e2 CY |
4072 | free_garbage_collection_cache: |
4073 | f2fs_destroy_garbage_collection_cache(); | |
1dcc336b | 4074 | free_extent_cache: |
4d57b86d | 4075 | f2fs_destroy_extent_cache(); |
9890ff3f | 4076 | free_checkpoint_caches: |
4d57b86d | 4077 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 4078 | free_segment_manager_caches: |
4d57b86d | 4079 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 4080 | free_node_manager_caches: |
4d57b86d | 4081 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
4082 | free_inodecache: |
4083 | destroy_inodecache(); | |
aff063e2 JK |
4084 | fail: |
4085 | return err; | |
4086 | } | |
4087 | ||
4088 | static void __exit exit_f2fs_fs(void) | |
4089 | { | |
c68d6c88 | 4090 | f2fs_destroy_compress_cache(); |
5e6bbde9 | 4091 | f2fs_destroy_compress_mempool(); |
f543805f | 4092 | f2fs_destroy_bioset(); |
0b20fcec | 4093 | f2fs_destroy_bio_entry_cache(); |
6dbb1796 | 4094 | f2fs_destroy_post_read_processing(); |
4589d25d | 4095 | f2fs_destroy_root_stats(); |
aff063e2 | 4096 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 4097 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 4098 | f2fs_exit_sysfs(); |
093749e2 | 4099 | f2fs_destroy_garbage_collection_cache(); |
4d57b86d CY |
4100 | f2fs_destroy_extent_cache(); |
4101 | f2fs_destroy_checkpoint_caches(); | |
4102 | f2fs_destroy_segment_manager_caches(); | |
4103 | f2fs_destroy_node_manager_caches(); | |
aff063e2 | 4104 | destroy_inodecache(); |
351f4fba | 4105 | f2fs_destroy_trace_ios(); |
aff063e2 JK |
4106 | } |
4107 | ||
4108 | module_init(init_f2fs_fs) | |
4109 | module_exit(exit_f2fs_fs) | |
4110 | ||
4111 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
4112 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
4113 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 4114 |