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7c1a000d | 1 | // SPDX-License-Identifier: GPL-2.0 |
0a8165d7 | 2 | /* |
aff063e2 JK |
3 | * fs/f2fs/super.c |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
aff063e2 JK |
7 | */ |
8 | #include <linux/module.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/fs.h> | |
11 | #include <linux/statfs.h> | |
aff063e2 JK |
12 | #include <linux/buffer_head.h> |
13 | #include <linux/backing-dev.h> | |
14 | #include <linux/kthread.h> | |
15 | #include <linux/parser.h> | |
16 | #include <linux/mount.h> | |
17 | #include <linux/seq_file.h> | |
5e176d54 | 18 | #include <linux/proc_fs.h> |
aff063e2 JK |
19 | #include <linux/random.h> |
20 | #include <linux/exportfs.h> | |
d3ee456d | 21 | #include <linux/blkdev.h> |
0abd675e | 22 | #include <linux/quotaops.h> |
aff063e2 | 23 | #include <linux/f2fs_fs.h> |
b59d0bae | 24 | #include <linux/sysfs.h> |
4b2414d0 | 25 | #include <linux/quota.h> |
aff063e2 JK |
26 | |
27 | #include "f2fs.h" | |
28 | #include "node.h" | |
5ec4e49f | 29 | #include "segment.h" |
aff063e2 | 30 | #include "xattr.h" |
b59d0bae | 31 | #include "gc.h" |
db9f7c1a | 32 | #include "trace.h" |
aff063e2 | 33 | |
a2a4a7e4 NJ |
34 | #define CREATE_TRACE_POINTS |
35 | #include <trace/events/f2fs.h> | |
36 | ||
aff063e2 JK |
37 | static struct kmem_cache *f2fs_inode_cachep; |
38 | ||
73faec4d | 39 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 40 | |
19880e6e | 41 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 42 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 43 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 44 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 45 | [FAULT_PAGE_GET] = "page get", |
d62fe971 | 46 | [FAULT_ALLOC_BIO] = "alloc bio", |
cb78942b JK |
47 | [FAULT_ALLOC_NID] = "alloc nid", |
48 | [FAULT_ORPHAN] = "orphan", | |
49 | [FAULT_BLOCK] = "no more block", | |
50 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 51 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 52 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 53 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 54 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 55 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 56 | [FAULT_WRITE_IO] = "write IO error", |
2c63fead | 57 | }; |
08796897 | 58 | |
d494500a CY |
59 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
60 | unsigned int type) | |
08796897 | 61 | { |
63189b78 | 62 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 63 | |
08796897 | 64 | if (rate) { |
1ecc0c5c CY |
65 | atomic_set(&ffi->inject_ops, 0); |
66 | ffi->inject_rate = rate; | |
08796897 | 67 | } |
d494500a CY |
68 | |
69 | if (type) | |
70 | ffi->inject_type = type; | |
71 | ||
72 | if (!rate && !type) | |
73 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 74 | } |
73faec4d JK |
75 | #endif |
76 | ||
2658e50d JK |
77 | /* f2fs-wide shrinker description */ |
78 | static struct shrinker f2fs_shrinker_info = { | |
79 | .scan_objects = f2fs_shrink_scan, | |
80 | .count_objects = f2fs_shrink_count, | |
81 | .seeks = DEFAULT_SEEKS, | |
82 | }; | |
83 | ||
aff063e2 | 84 | enum { |
696c018c | 85 | Opt_gc_background, |
aff063e2 | 86 | Opt_disable_roll_forward, |
2d834bf9 | 87 | Opt_norecovery, |
aff063e2 | 88 | Opt_discard, |
64058be9 | 89 | Opt_nodiscard, |
aff063e2 | 90 | Opt_noheap, |
7a20b8a6 | 91 | Opt_heap, |
4058c511 | 92 | Opt_user_xattr, |
aff063e2 | 93 | Opt_nouser_xattr, |
4058c511 | 94 | Opt_acl, |
aff063e2 JK |
95 | Opt_noacl, |
96 | Opt_active_logs, | |
97 | Opt_disable_ext_identify, | |
444c580f | 98 | Opt_inline_xattr, |
23cf7212 | 99 | Opt_noinline_xattr, |
6afc662e | 100 | Opt_inline_xattr_size, |
8274de77 | 101 | Opt_inline_data, |
5efd3c6f | 102 | Opt_inline_dentry, |
97c1794a | 103 | Opt_noinline_dentry, |
6b4afdd7 | 104 | Opt_flush_merge, |
69e9e427 | 105 | Opt_noflush_merge, |
0f7b2abd | 106 | Opt_nobarrier, |
d5053a34 | 107 | Opt_fastboot, |
89672159 | 108 | Opt_extent_cache, |
7daaea25 | 109 | Opt_noextent_cache, |
75342797 | 110 | Opt_noinline_data, |
343f40f0 | 111 | Opt_data_flush, |
7e65be49 | 112 | Opt_reserve_root, |
7c2e5963 JK |
113 | Opt_resgid, |
114 | Opt_resuid, | |
36abef4e | 115 | Opt_mode, |
ec91538d | 116 | Opt_io_size_bits, |
73faec4d | 117 | Opt_fault_injection, |
d494500a | 118 | Opt_fault_type, |
6d94c74a JK |
119 | Opt_lazytime, |
120 | Opt_nolazytime, | |
4b2414d0 CY |
121 | Opt_quota, |
122 | Opt_noquota, | |
0abd675e CY |
123 | Opt_usrquota, |
124 | Opt_grpquota, | |
5c57132e | 125 | Opt_prjquota, |
4b2414d0 CY |
126 | Opt_usrjquota, |
127 | Opt_grpjquota, | |
128 | Opt_prjjquota, | |
129 | Opt_offusrjquota, | |
130 | Opt_offgrpjquota, | |
131 | Opt_offprjjquota, | |
132 | Opt_jqfmt_vfsold, | |
133 | Opt_jqfmt_vfsv0, | |
134 | Opt_jqfmt_vfsv1, | |
0cdd3195 | 135 | Opt_whint, |
07939627 | 136 | Opt_alloc, |
93cf93f1 | 137 | Opt_fsync, |
ff62af20 | 138 | Opt_test_dummy_encryption, |
4d3aed70 DR |
139 | Opt_checkpoint_disable, |
140 | Opt_checkpoint_disable_cap, | |
141 | Opt_checkpoint_disable_cap_perc, | |
142 | Opt_checkpoint_enable, | |
aff063e2 JK |
143 | Opt_err, |
144 | }; | |
145 | ||
146 | static match_table_t f2fs_tokens = { | |
696c018c | 147 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 148 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 149 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 150 | {Opt_discard, "discard"}, |
64058be9 | 151 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 152 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 153 | {Opt_heap, "heap"}, |
4058c511 | 154 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 155 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 156 | {Opt_acl, "acl"}, |
aff063e2 JK |
157 | {Opt_noacl, "noacl"}, |
158 | {Opt_active_logs, "active_logs=%u"}, | |
159 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 160 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 161 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 162 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 163 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 164 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 165 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 166 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 167 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 168 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 169 | {Opt_fastboot, "fastboot"}, |
89672159 | 170 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 171 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 172 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 173 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 174 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
175 | {Opt_resgid, "resgid=%u"}, |
176 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 177 | {Opt_mode, "mode=%s"}, |
ec91538d | 178 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 179 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 180 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
181 | {Opt_lazytime, "lazytime"}, |
182 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
183 | {Opt_quota, "quota"}, |
184 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
185 | {Opt_usrquota, "usrquota"}, |
186 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 187 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
188 | {Opt_usrjquota, "usrjquota=%s"}, |
189 | {Opt_grpjquota, "grpjquota=%s"}, | |
190 | {Opt_prjjquota, "prjjquota=%s"}, | |
191 | {Opt_offusrjquota, "usrjquota="}, | |
192 | {Opt_offgrpjquota, "grpjquota="}, | |
193 | {Opt_offprjjquota, "prjjquota="}, | |
194 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
195 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
196 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
0cdd3195 | 197 | {Opt_whint, "whint_mode=%s"}, |
07939627 | 198 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 199 | {Opt_fsync, "fsync_mode=%s"}, |
ff62af20 | 200 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
4d3aed70 DR |
201 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
202 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
203 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
204 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
aff063e2 JK |
205 | {Opt_err, NULL}, |
206 | }; | |
207 | ||
dcbb4c10 | 208 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
209 | { |
210 | struct va_format vaf; | |
211 | va_list args; | |
dcbb4c10 | 212 | int level; |
a07ef784 NJ |
213 | |
214 | va_start(args, fmt); | |
dcbb4c10 JP |
215 | |
216 | level = printk_get_level(fmt); | |
217 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 218 | vaf.va = &args; |
dcbb4c10 JP |
219 | printk("%c%cF2FS-fs (%s): %pV\n", |
220 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
221 | ||
a07ef784 NJ |
222 | va_end(args); |
223 | } | |
224 | ||
7e65be49 JK |
225 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
226 | { | |
9a9aecaa DR |
227 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
228 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
229 | |
230 | /* limit is 0.2% */ | |
63189b78 CY |
231 | if (test_opt(sbi, RESERVE_ROOT) && |
232 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
233 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
234 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
235 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 236 | } |
7c2e5963 | 237 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 238 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 239 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 240 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 241 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
242 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
243 | from_kuid_munged(&init_user_ns, | |
244 | F2FS_OPTION(sbi).s_resuid), | |
245 | from_kgid_munged(&init_user_ns, | |
246 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
247 | } |
248 | ||
aff063e2 JK |
249 | static void init_once(void *foo) |
250 | { | |
251 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
252 | ||
aff063e2 JK |
253 | inode_init_once(&fi->vfs_inode); |
254 | } | |
255 | ||
4b2414d0 CY |
256 | #ifdef CONFIG_QUOTA |
257 | static const char * const quotatypes[] = INITQFNAMES; | |
258 | #define QTYPE2NAME(t) (quotatypes[t]) | |
259 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
260 | substring_t *args) | |
261 | { | |
262 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
263 | char *qname; | |
264 | int ret = -EINVAL; | |
265 | ||
63189b78 | 266 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 267 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
268 | return -EINVAL; |
269 | } | |
7beb01f7 | 270 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 271 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
272 | return 0; |
273 | } | |
274 | ||
4b2414d0 CY |
275 | qname = match_strdup(args); |
276 | if (!qname) { | |
dcbb4c10 | 277 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 278 | return -ENOMEM; |
4b2414d0 | 279 | } |
63189b78 CY |
280 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
281 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
282 | ret = 0; |
283 | else | |
dcbb4c10 | 284 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
285 | QTYPE2NAME(qtype)); |
286 | goto errout; | |
287 | } | |
288 | if (strchr(qname, '/')) { | |
dcbb4c10 | 289 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
290 | goto errout; |
291 | } | |
63189b78 | 292 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
293 | set_opt(sbi, QUOTA); |
294 | return 0; | |
295 | errout: | |
5222595d | 296 | kvfree(qname); |
4b2414d0 CY |
297 | return ret; |
298 | } | |
299 | ||
300 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
301 | { | |
302 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
303 | ||
63189b78 | 304 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 305 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
306 | return -EINVAL; |
307 | } | |
5222595d | 308 | kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 309 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
310 | return 0; |
311 | } | |
312 | ||
313 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
314 | { | |
315 | /* | |
316 | * We do the test below only for project quotas. 'usrquota' and | |
317 | * 'grpquota' mount options are allowed even without quota feature | |
318 | * to support legacy quotas in quota files. | |
319 | */ | |
7beb01f7 | 320 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 321 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
322 | return -1; |
323 | } | |
63189b78 CY |
324 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
325 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
326 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
327 | if (test_opt(sbi, USRQUOTA) && | |
328 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
329 | clear_opt(sbi, USRQUOTA); |
330 | ||
63189b78 CY |
331 | if (test_opt(sbi, GRPQUOTA) && |
332 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
333 | clear_opt(sbi, GRPQUOTA); |
334 | ||
63189b78 CY |
335 | if (test_opt(sbi, PRJQUOTA) && |
336 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
337 | clear_opt(sbi, PRJQUOTA); |
338 | ||
339 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
340 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 341 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
342 | return -1; |
343 | } | |
344 | ||
63189b78 | 345 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 346 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
347 | return -1; |
348 | } | |
349 | } | |
ea676733 | 350 | |
7beb01f7 | 351 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 352 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 353 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 354 | } |
4b2414d0 CY |
355 | return 0; |
356 | } | |
357 | #endif | |
358 | ||
696c018c NJ |
359 | static int parse_options(struct super_block *sb, char *options) |
360 | { | |
361 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
362 | substring_t args[MAX_OPT_ARGS]; | |
363 | char *p, *name; | |
364 | int arg = 0; | |
7c2e5963 JK |
365 | kuid_t uid; |
366 | kgid_t gid; | |
4b2414d0 CY |
367 | #ifdef CONFIG_QUOTA |
368 | int ret; | |
369 | #endif | |
696c018c NJ |
370 | |
371 | if (!options) | |
372 | return 0; | |
373 | ||
374 | while ((p = strsep(&options, ",")) != NULL) { | |
375 | int token; | |
376 | if (!*p) | |
377 | continue; | |
378 | /* | |
379 | * Initialize args struct so we know whether arg was | |
380 | * found; some options take optional arguments. | |
381 | */ | |
382 | args[0].to = args[0].from = NULL; | |
383 | token = match_token(p, f2fs_tokens, args); | |
384 | ||
385 | switch (token) { | |
386 | case Opt_gc_background: | |
387 | name = match_strdup(&args[0]); | |
388 | ||
389 | if (!name) | |
390 | return -ENOMEM; | |
6aefd93b | 391 | if (strlen(name) == 2 && !strncmp(name, "on", 2)) { |
696c018c | 392 | set_opt(sbi, BG_GC); |
6aefd93b JK |
393 | clear_opt(sbi, FORCE_FG_GC); |
394 | } else if (strlen(name) == 3 && !strncmp(name, "off", 3)) { | |
696c018c | 395 | clear_opt(sbi, BG_GC); |
6aefd93b JK |
396 | clear_opt(sbi, FORCE_FG_GC); |
397 | } else if (strlen(name) == 4 && !strncmp(name, "sync", 4)) { | |
398 | set_opt(sbi, BG_GC); | |
399 | set_opt(sbi, FORCE_FG_GC); | |
400 | } else { | |
5222595d | 401 | kvfree(name); |
696c018c NJ |
402 | return -EINVAL; |
403 | } | |
5222595d | 404 | kvfree(name); |
696c018c NJ |
405 | break; |
406 | case Opt_disable_roll_forward: | |
407 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
408 | break; | |
2d834bf9 JK |
409 | case Opt_norecovery: |
410 | /* this option mounts f2fs with ro */ | |
411 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
412 | if (!f2fs_readonly(sb)) | |
413 | return -EINVAL; | |
414 | break; | |
696c018c | 415 | case Opt_discard: |
7d20c8ab | 416 | set_opt(sbi, DISCARD); |
696c018c | 417 | break; |
64058be9 | 418 | case Opt_nodiscard: |
7beb01f7 | 419 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 420 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
421 | return -EINVAL; |
422 | } | |
64058be9 | 423 | clear_opt(sbi, DISCARD); |
487df616 | 424 | break; |
696c018c NJ |
425 | case Opt_noheap: |
426 | set_opt(sbi, NOHEAP); | |
427 | break; | |
7a20b8a6 JK |
428 | case Opt_heap: |
429 | clear_opt(sbi, NOHEAP); | |
430 | break; | |
696c018c | 431 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
432 | case Opt_user_xattr: |
433 | set_opt(sbi, XATTR_USER); | |
434 | break; | |
696c018c NJ |
435 | case Opt_nouser_xattr: |
436 | clear_opt(sbi, XATTR_USER); | |
437 | break; | |
444c580f JK |
438 | case Opt_inline_xattr: |
439 | set_opt(sbi, INLINE_XATTR); | |
440 | break; | |
23cf7212 CY |
441 | case Opt_noinline_xattr: |
442 | clear_opt(sbi, INLINE_XATTR); | |
443 | break; | |
6afc662e CY |
444 | case Opt_inline_xattr_size: |
445 | if (args->from && match_int(args, &arg)) | |
446 | return -EINVAL; | |
447 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 448 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 449 | break; |
696c018c | 450 | #else |
4058c511 | 451 | case Opt_user_xattr: |
dcbb4c10 | 452 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 453 | break; |
696c018c | 454 | case Opt_nouser_xattr: |
dcbb4c10 | 455 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 456 | break; |
444c580f | 457 | case Opt_inline_xattr: |
dcbb4c10 | 458 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 459 | break; |
23cf7212 | 460 | case Opt_noinline_xattr: |
dcbb4c10 | 461 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 462 | break; |
696c018c NJ |
463 | #endif |
464 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
465 | case Opt_acl: |
466 | set_opt(sbi, POSIX_ACL); | |
467 | break; | |
696c018c NJ |
468 | case Opt_noacl: |
469 | clear_opt(sbi, POSIX_ACL); | |
470 | break; | |
471 | #else | |
4058c511 | 472 | case Opt_acl: |
dcbb4c10 | 473 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 474 | break; |
696c018c | 475 | case Opt_noacl: |
dcbb4c10 | 476 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
477 | break; |
478 | #endif | |
479 | case Opt_active_logs: | |
480 | if (args->from && match_int(args, &arg)) | |
481 | return -EINVAL; | |
482 | if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE) | |
483 | return -EINVAL; | |
63189b78 | 484 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
485 | break; |
486 | case Opt_disable_ext_identify: | |
487 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
488 | break; | |
8274de77 HL |
489 | case Opt_inline_data: |
490 | set_opt(sbi, INLINE_DATA); | |
491 | break; | |
5efd3c6f CY |
492 | case Opt_inline_dentry: |
493 | set_opt(sbi, INLINE_DENTRY); | |
494 | break; | |
97c1794a CY |
495 | case Opt_noinline_dentry: |
496 | clear_opt(sbi, INLINE_DENTRY); | |
497 | break; | |
6b4afdd7 JK |
498 | case Opt_flush_merge: |
499 | set_opt(sbi, FLUSH_MERGE); | |
500 | break; | |
69e9e427 JK |
501 | case Opt_noflush_merge: |
502 | clear_opt(sbi, FLUSH_MERGE); | |
503 | break; | |
0f7b2abd JK |
504 | case Opt_nobarrier: |
505 | set_opt(sbi, NOBARRIER); | |
506 | break; | |
d5053a34 JK |
507 | case Opt_fastboot: |
508 | set_opt(sbi, FASTBOOT); | |
509 | break; | |
89672159 CY |
510 | case Opt_extent_cache: |
511 | set_opt(sbi, EXTENT_CACHE); | |
512 | break; | |
7daaea25 JK |
513 | case Opt_noextent_cache: |
514 | clear_opt(sbi, EXTENT_CACHE); | |
515 | break; | |
75342797 WL |
516 | case Opt_noinline_data: |
517 | clear_opt(sbi, INLINE_DATA); | |
518 | break; | |
343f40f0 CY |
519 | case Opt_data_flush: |
520 | set_opt(sbi, DATA_FLUSH); | |
521 | break; | |
7e65be49 JK |
522 | case Opt_reserve_root: |
523 | if (args->from && match_int(args, &arg)) | |
524 | return -EINVAL; | |
525 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
526 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
527 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 528 | } else { |
63189b78 | 529 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
530 | set_opt(sbi, RESERVE_ROOT); |
531 | } | |
532 | break; | |
7c2e5963 JK |
533 | case Opt_resuid: |
534 | if (args->from && match_int(args, &arg)) | |
535 | return -EINVAL; | |
536 | uid = make_kuid(current_user_ns(), arg); | |
537 | if (!uid_valid(uid)) { | |
dcbb4c10 | 538 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
539 | return -EINVAL; |
540 | } | |
63189b78 | 541 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
542 | break; |
543 | case Opt_resgid: | |
544 | if (args->from && match_int(args, &arg)) | |
545 | return -EINVAL; | |
546 | gid = make_kgid(current_user_ns(), arg); | |
547 | if (!gid_valid(gid)) { | |
dcbb4c10 | 548 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
549 | return -EINVAL; |
550 | } | |
63189b78 | 551 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 552 | break; |
36abef4e JK |
553 | case Opt_mode: |
554 | name = match_strdup(&args[0]); | |
555 | ||
556 | if (!name) | |
557 | return -ENOMEM; | |
558 | if (strlen(name) == 8 && | |
559 | !strncmp(name, "adaptive", 8)) { | |
7beb01f7 | 560 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 561 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
5222595d | 562 | kvfree(name); |
3adc57e9 DLM |
563 | return -EINVAL; |
564 | } | |
52763a4b | 565 | set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); |
36abef4e JK |
566 | } else if (strlen(name) == 3 && |
567 | !strncmp(name, "lfs", 3)) { | |
52763a4b | 568 | set_opt_mode(sbi, F2FS_MOUNT_LFS); |
36abef4e | 569 | } else { |
5222595d | 570 | kvfree(name); |
36abef4e JK |
571 | return -EINVAL; |
572 | } | |
5222595d | 573 | kvfree(name); |
36abef4e | 574 | break; |
ec91538d JK |
575 | case Opt_io_size_bits: |
576 | if (args->from && match_int(args, &arg)) | |
577 | return -EINVAL; | |
6d52e135 | 578 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { |
dcbb4c10 JP |
579 | f2fs_warn(sbi, "Not support %d, larger than %d", |
580 | 1 << arg, BIO_MAX_PAGES); | |
ec91538d JK |
581 | return -EINVAL; |
582 | } | |
63189b78 | 583 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 584 | break; |
4cb037ec | 585 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
586 | case Opt_fault_injection: |
587 | if (args->from && match_int(args, &arg)) | |
588 | return -EINVAL; | |
d494500a CY |
589 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
590 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 591 | break; |
4cb037ec | 592 | |
d494500a CY |
593 | case Opt_fault_type: |
594 | if (args->from && match_int(args, &arg)) | |
595 | return -EINVAL; | |
d494500a | 596 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 597 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 598 | break; |
73faec4d | 599 | #else |
4cb037ec | 600 | case Opt_fault_injection: |
dcbb4c10 | 601 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 602 | break; |
4cb037ec CX |
603 | |
604 | case Opt_fault_type: | |
dcbb4c10 | 605 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
606 | break; |
607 | #endif | |
6d94c74a | 608 | case Opt_lazytime: |
1751e8a6 | 609 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
610 | break; |
611 | case Opt_nolazytime: | |
1751e8a6 | 612 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 613 | break; |
0abd675e | 614 | #ifdef CONFIG_QUOTA |
4b2414d0 | 615 | case Opt_quota: |
0abd675e CY |
616 | case Opt_usrquota: |
617 | set_opt(sbi, USRQUOTA); | |
618 | break; | |
619 | case Opt_grpquota: | |
620 | set_opt(sbi, GRPQUOTA); | |
621 | break; | |
5c57132e CY |
622 | case Opt_prjquota: |
623 | set_opt(sbi, PRJQUOTA); | |
624 | break; | |
4b2414d0 CY |
625 | case Opt_usrjquota: |
626 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
627 | if (ret) | |
628 | return ret; | |
629 | break; | |
630 | case Opt_grpjquota: | |
631 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
632 | if (ret) | |
633 | return ret; | |
634 | break; | |
635 | case Opt_prjjquota: | |
636 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
637 | if (ret) | |
638 | return ret; | |
639 | break; | |
640 | case Opt_offusrjquota: | |
641 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
642 | if (ret) | |
643 | return ret; | |
644 | break; | |
645 | case Opt_offgrpjquota: | |
646 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
647 | if (ret) | |
648 | return ret; | |
649 | break; | |
650 | case Opt_offprjjquota: | |
651 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
652 | if (ret) | |
653 | return ret; | |
654 | break; | |
655 | case Opt_jqfmt_vfsold: | |
63189b78 | 656 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
657 | break; |
658 | case Opt_jqfmt_vfsv0: | |
63189b78 | 659 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
660 | break; |
661 | case Opt_jqfmt_vfsv1: | |
63189b78 | 662 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
663 | break; |
664 | case Opt_noquota: | |
665 | clear_opt(sbi, QUOTA); | |
666 | clear_opt(sbi, USRQUOTA); | |
667 | clear_opt(sbi, GRPQUOTA); | |
668 | clear_opt(sbi, PRJQUOTA); | |
669 | break; | |
0abd675e | 670 | #else |
4b2414d0 | 671 | case Opt_quota: |
0abd675e CY |
672 | case Opt_usrquota: |
673 | case Opt_grpquota: | |
5c57132e | 674 | case Opt_prjquota: |
4b2414d0 CY |
675 | case Opt_usrjquota: |
676 | case Opt_grpjquota: | |
677 | case Opt_prjjquota: | |
678 | case Opt_offusrjquota: | |
679 | case Opt_offgrpjquota: | |
680 | case Opt_offprjjquota: | |
681 | case Opt_jqfmt_vfsold: | |
682 | case Opt_jqfmt_vfsv0: | |
683 | case Opt_jqfmt_vfsv1: | |
684 | case Opt_noquota: | |
dcbb4c10 | 685 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
686 | break; |
687 | #endif | |
0cdd3195 HL |
688 | case Opt_whint: |
689 | name = match_strdup(&args[0]); | |
690 | if (!name) | |
691 | return -ENOMEM; | |
692 | if (strlen(name) == 10 && | |
693 | !strncmp(name, "user-based", 10)) { | |
63189b78 | 694 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
0cdd3195 HL |
695 | } else if (strlen(name) == 3 && |
696 | !strncmp(name, "off", 3)) { | |
63189b78 | 697 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
f2e703f9 HL |
698 | } else if (strlen(name) == 8 && |
699 | !strncmp(name, "fs-based", 8)) { | |
63189b78 | 700 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 701 | } else { |
5222595d | 702 | kvfree(name); |
0cdd3195 HL |
703 | return -EINVAL; |
704 | } | |
5222595d | 705 | kvfree(name); |
0cdd3195 | 706 | break; |
07939627 JK |
707 | case Opt_alloc: |
708 | name = match_strdup(&args[0]); | |
709 | if (!name) | |
710 | return -ENOMEM; | |
711 | ||
712 | if (strlen(name) == 7 && | |
713 | !strncmp(name, "default", 7)) { | |
63189b78 | 714 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
07939627 JK |
715 | } else if (strlen(name) == 5 && |
716 | !strncmp(name, "reuse", 5)) { | |
63189b78 | 717 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 718 | } else { |
5222595d | 719 | kvfree(name); |
07939627 JK |
720 | return -EINVAL; |
721 | } | |
5222595d | 722 | kvfree(name); |
07939627 | 723 | break; |
93cf93f1 JZ |
724 | case Opt_fsync: |
725 | name = match_strdup(&args[0]); | |
726 | if (!name) | |
727 | return -ENOMEM; | |
728 | if (strlen(name) == 5 && | |
729 | !strncmp(name, "posix", 5)) { | |
63189b78 | 730 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
93cf93f1 JZ |
731 | } else if (strlen(name) == 6 && |
732 | !strncmp(name, "strict", 6)) { | |
63189b78 | 733 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
d6290814 JK |
734 | } else if (strlen(name) == 9 && |
735 | !strncmp(name, "nobarrier", 9)) { | |
736 | F2FS_OPTION(sbi).fsync_mode = | |
737 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 738 | } else { |
5222595d | 739 | kvfree(name); |
93cf93f1 JZ |
740 | return -EINVAL; |
741 | } | |
5222595d | 742 | kvfree(name); |
93cf93f1 | 743 | break; |
ff62af20 | 744 | case Opt_test_dummy_encryption: |
643fa961 | 745 | #ifdef CONFIG_FS_ENCRYPTION |
7beb01f7 | 746 | if (!f2fs_sb_has_encrypt(sbi)) { |
dcbb4c10 | 747 | f2fs_err(sbi, "Encrypt feature is off"); |
ff62af20 SY |
748 | return -EINVAL; |
749 | } | |
750 | ||
751 | F2FS_OPTION(sbi).test_dummy_encryption = true; | |
dcbb4c10 | 752 | f2fs_info(sbi, "Test dummy encryption mode enabled"); |
ff62af20 | 753 | #else |
dcbb4c10 | 754 | f2fs_info(sbi, "Test dummy encryption mount option ignored"); |
ff62af20 SY |
755 | #endif |
756 | break; | |
4d3aed70 DR |
757 | case Opt_checkpoint_disable_cap_perc: |
758 | if (args->from && match_int(args, &arg)) | |
4354994f | 759 | return -EINVAL; |
4d3aed70 DR |
760 | if (arg < 0 || arg > 100) |
761 | return -EINVAL; | |
762 | if (arg == 100) | |
763 | F2FS_OPTION(sbi).unusable_cap = | |
764 | sbi->user_block_count; | |
765 | else | |
766 | F2FS_OPTION(sbi).unusable_cap = | |
767 | (sbi->user_block_count / 100) * arg; | |
768 | set_opt(sbi, DISABLE_CHECKPOINT); | |
769 | break; | |
770 | case Opt_checkpoint_disable_cap: | |
771 | if (args->from && match_int(args, &arg)) | |
772 | return -EINVAL; | |
773 | F2FS_OPTION(sbi).unusable_cap = arg; | |
774 | set_opt(sbi, DISABLE_CHECKPOINT); | |
775 | break; | |
776 | case Opt_checkpoint_disable: | |
777 | set_opt(sbi, DISABLE_CHECKPOINT); | |
778 | break; | |
779 | case Opt_checkpoint_enable: | |
780 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 781 | break; |
696c018c | 782 | default: |
dcbb4c10 JP |
783 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
784 | p); | |
696c018c NJ |
785 | return -EINVAL; |
786 | } | |
787 | } | |
4b2414d0 CY |
788 | #ifdef CONFIG_QUOTA |
789 | if (f2fs_check_quota_options(sbi)) | |
790 | return -EINVAL; | |
00960c2c | 791 | #else |
7beb01f7 | 792 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 793 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
794 | return -EINVAL; |
795 | } | |
7beb01f7 | 796 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 797 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
798 | return -EINVAL; |
799 | } | |
4b2414d0 | 800 | #endif |
ec91538d JK |
801 | |
802 | if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) { | |
dcbb4c10 JP |
803 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
804 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
805 | return -EINVAL; |
806 | } | |
6afc662e CY |
807 | |
808 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
809 | int min_size, max_size; |
810 | ||
7beb01f7 CY |
811 | if (!f2fs_sb_has_extra_attr(sbi) || |
812 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 813 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
814 | return -EINVAL; |
815 | } | |
6afc662e | 816 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 817 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
818 | return -EINVAL; |
819 | } | |
70db5b04 JK |
820 | |
821 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 822 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
823 | |
824 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
825 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
826 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
827 | min_size, max_size); | |
6afc662e CY |
828 | return -EINVAL; |
829 | } | |
830 | } | |
0cdd3195 | 831 | |
4354994f | 832 | if (test_opt(sbi, DISABLE_CHECKPOINT) && test_opt(sbi, LFS)) { |
dcbb4c10 | 833 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
834 | return -EINVAL; |
835 | } | |
836 | ||
0cdd3195 HL |
837 | /* Not pass down write hints if the number of active logs is lesser |
838 | * than NR_CURSEG_TYPE. | |
839 | */ | |
63189b78 CY |
840 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
841 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
842 | return 0; |
843 | } | |
844 | ||
aff063e2 JK |
845 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
846 | { | |
847 | struct f2fs_inode_info *fi; | |
848 | ||
a0acdfe0 | 849 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
850 | if (!fi) |
851 | return NULL; | |
852 | ||
853 | init_once((void *) fi); | |
854 | ||
434720fa | 855 | /* Initialize f2fs-specific inode info */ |
204706c7 | 856 | atomic_set(&fi->dirty_pages, 0); |
d928bfbf | 857 | init_rwsem(&fi->i_sem); |
2710fd7e | 858 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 859 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 860 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
861 | INIT_LIST_HEAD(&fi->inmem_pages); |
862 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
863 | init_rwsem(&fi->i_gc_rwsem[READ]); |
864 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 865 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 866 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 867 | |
ab9fa662 JK |
868 | /* Will be used by directory only */ |
869 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 870 | |
aff063e2 JK |
871 | return &fi->vfs_inode; |
872 | } | |
873 | ||
531ad7d5 JK |
874 | static int f2fs_drop_inode(struct inode *inode) |
875 | { | |
b8d96a30 | 876 | int ret; |
531ad7d5 JK |
877 | /* |
878 | * This is to avoid a deadlock condition like below. | |
879 | * writeback_single_inode(inode) | |
880 | * - f2fs_write_data_page | |
881 | * - f2fs_gc -> iput -> evict | |
882 | * - inode_wait_for_writeback(inode) | |
883 | */ | |
0f18b462 | 884 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 885 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
886 | /* to avoid evict_inode call simultaneously */ |
887 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
888 | spin_unlock(&inode->i_lock); |
889 | ||
890 | /* some remained atomic pages should discarded */ | |
891 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 892 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 893 | |
3e72f721 JK |
894 | /* should remain fi->extent_tree for writepage */ |
895 | f2fs_destroy_extent_node(inode); | |
896 | ||
06e1bc05 | 897 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 898 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 899 | |
a0770e13 | 900 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
901 | inode, NULL, 0, DATA); | |
902 | truncate_inode_pages_final(inode->i_mapping); | |
903 | ||
06e1bc05 | 904 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 905 | f2fs_truncate(inode); |
06e1bc05 JK |
906 | |
907 | sb_end_intwrite(inode->i_sb); | |
908 | ||
06e1bc05 | 909 | spin_lock(&inode->i_lock); |
3e72f721 | 910 | atomic_dec(&inode->i_count); |
06e1bc05 | 911 | } |
b8d96a30 | 912 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 913 | return 0; |
06e1bc05 | 914 | } |
b8d96a30 HP |
915 | ret = generic_drop_inode(inode); |
916 | trace_f2fs_drop_inode(inode, ret); | |
917 | return ret; | |
531ad7d5 JK |
918 | } |
919 | ||
7c45729a | 920 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 921 | { |
0f18b462 | 922 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 923 | int ret = 0; |
0f18b462 | 924 | |
0f18b462 JK |
925 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
926 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
927 | ret = 1; |
928 | } else { | |
929 | set_inode_flag(inode, FI_DIRTY_INODE); | |
930 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 931 | } |
7c45729a JK |
932 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
933 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 934 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
935 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
936 | } | |
338bbfa0 | 937 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 938 | return ret; |
0f18b462 JK |
939 | } |
940 | ||
941 | void f2fs_inode_synced(struct inode *inode) | |
942 | { | |
943 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
944 | ||
945 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
946 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
947 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
948 | return; | |
949 | } | |
7c45729a JK |
950 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
951 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
952 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
953 | } | |
0f18b462 | 954 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 955 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 956 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 957 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
958 | } |
959 | ||
b56ab837 JK |
960 | /* |
961 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
962 | * | |
963 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
964 | */ | |
965 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
966 | { | |
967 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
968 | ||
969 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
970 | inode->i_ino == F2FS_META_INO(sbi)) | |
971 | return; | |
972 | ||
973 | if (flags == I_DIRTY_TIME) | |
974 | return; | |
975 | ||
976 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) | |
977 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
978 | ||
7c45729a | 979 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
980 | } |
981 | ||
d01718a0 | 982 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 983 | { |
2c58d548 | 984 | fscrypt_free_inode(inode); |
aff063e2 JK |
985 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
986 | } | |
987 | ||
523be8a6 JK |
988 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
989 | { | |
41382ec4 | 990 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 991 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
992 | } |
993 | ||
3c62be17 JK |
994 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
995 | { | |
996 | int i; | |
997 | ||
998 | for (i = 0; i < sbi->s_ndevs; i++) { | |
999 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1000 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1001 | kvfree(FDEV(i).blkz_seq); |
3c62be17 JK |
1002 | #endif |
1003 | } | |
5222595d | 1004 | kvfree(sbi->devs); |
3c62be17 JK |
1005 | } |
1006 | ||
aff063e2 JK |
1007 | static void f2fs_put_super(struct super_block *sb) |
1008 | { | |
1009 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1010 | int i; |
cf5c759f | 1011 | bool dropped; |
aff063e2 | 1012 | |
0abd675e | 1013 | f2fs_quota_off_umount(sb); |
aff063e2 | 1014 | |
2658e50d JK |
1015 | /* prevent remaining shrinker jobs */ |
1016 | mutex_lock(&sbi->umount_mutex); | |
1017 | ||
85dc2f2c JK |
1018 | /* |
1019 | * We don't need to do checkpoint when superblock is clean. | |
1020 | * But, the previous checkpoint was not done by umount, it needs to do | |
1021 | * clean checkpoint again. | |
1022 | */ | |
4354994f DR |
1023 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1024 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1025 | struct cp_control cpc = { |
1026 | .reason = CP_UMOUNT, | |
1027 | }; | |
4d57b86d | 1028 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1029 | } |
aff063e2 | 1030 | |
4e6a8d9b | 1031 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1032 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1033 | |
7d20c8ab CY |
1034 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1035 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1036 | struct cp_control cpc = { |
1037 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1038 | }; | |
4d57b86d | 1039 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1040 | } |
1041 | ||
cf779cab JK |
1042 | /* |
1043 | * normally superblock is clean, so we need to release this. | |
1044 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1045 | */ | |
4d57b86d | 1046 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1047 | |
2658e50d JK |
1048 | f2fs_leave_shrinker(sbi); |
1049 | mutex_unlock(&sbi->umount_mutex); | |
1050 | ||
17c19120 | 1051 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1052 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1053 | |
50fa53ec CY |
1054 | f2fs_wait_on_all_pages_writeback(sbi); |
1055 | ||
1056 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1057 | ||
aff063e2 | 1058 | iput(sbi->node_inode); |
7c77bf7d JK |
1059 | sbi->node_inode = NULL; |
1060 | ||
aff063e2 | 1061 | iput(sbi->meta_inode); |
7c77bf7d | 1062 | sbi->meta_inode = NULL; |
aff063e2 | 1063 | |
60aa4d55 ST |
1064 | /* |
1065 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1066 | * above failed with error. | |
1067 | */ | |
1068 | f2fs_destroy_stats(sbi); | |
1069 | ||
aff063e2 | 1070 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1071 | f2fs_destroy_node_manager(sbi); |
1072 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1073 | |
5222595d | 1074 | kvfree(sbi->ckpt); |
a398101a | 1075 | |
dc6b2055 | 1076 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
1077 | |
1078 | sb->s_fs_info = NULL; | |
43b6573b KM |
1079 | if (sbi->s_chksum_driver) |
1080 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 1081 | kvfree(sbi->raw_super); |
523be8a6 | 1082 | |
3c62be17 | 1083 | destroy_device_list(sbi); |
b6895e8f | 1084 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1085 | #ifdef CONFIG_QUOTA |
1086 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1087 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1088 | #endif |
523be8a6 | 1089 | destroy_percpu_info(sbi); |
a912b54d | 1090 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d JK |
1091 | kvfree(sbi->write_io[i]); |
1092 | kvfree(sbi); | |
aff063e2 JK |
1093 | } |
1094 | ||
1095 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1096 | { | |
1097 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1098 | int err = 0; |
aff063e2 | 1099 | |
1f227a3e JK |
1100 | if (unlikely(f2fs_cp_error(sbi))) |
1101 | return 0; | |
4354994f DR |
1102 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1103 | return 0; | |
1f227a3e | 1104 | |
a2a4a7e4 NJ |
1105 | trace_f2fs_sync_fs(sb, sync); |
1106 | ||
4b2414d0 CY |
1107 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1108 | return -EAGAIN; | |
1109 | ||
b7473754 | 1110 | if (sync) { |
d5053a34 JK |
1111 | struct cp_control cpc; |
1112 | ||
119ee914 JK |
1113 | cpc.reason = __get_cp_reason(sbi); |
1114 | ||
b7473754 | 1115 | mutex_lock(&sbi->gc_mutex); |
4d57b86d | 1116 | err = f2fs_write_checkpoint(sbi, &cpc); |
b7473754 | 1117 | mutex_unlock(&sbi->gc_mutex); |
b7473754 | 1118 | } |
05ca3632 | 1119 | f2fs_trace_ios(NULL, 1); |
aff063e2 | 1120 | |
c34f42e2 | 1121 | return err; |
aff063e2 JK |
1122 | } |
1123 | ||
d6212a5f CL |
1124 | static int f2fs_freeze(struct super_block *sb) |
1125 | { | |
77888c1e | 1126 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1127 | return 0; |
1128 | ||
b4b9d34c JK |
1129 | /* IO error happened before */ |
1130 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1131 | return -EIO; | |
1132 | ||
1133 | /* must be clean, since sync_filesystem() was already called */ | |
1134 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1135 | return -EINVAL; | |
1136 | return 0; | |
d6212a5f CL |
1137 | } |
1138 | ||
1139 | static int f2fs_unfreeze(struct super_block *sb) | |
1140 | { | |
1141 | return 0; | |
1142 | } | |
1143 | ||
ddc34e32 CY |
1144 | #ifdef CONFIG_QUOTA |
1145 | static int f2fs_statfs_project(struct super_block *sb, | |
1146 | kprojid_t projid, struct kstatfs *buf) | |
1147 | { | |
1148 | struct kqid qid; | |
1149 | struct dquot *dquot; | |
1150 | u64 limit; | |
1151 | u64 curblock; | |
1152 | ||
1153 | qid = make_kqid_projid(projid); | |
1154 | dquot = dqget(sb, qid); | |
1155 | if (IS_ERR(dquot)) | |
1156 | return PTR_ERR(dquot); | |
955ac6e5 | 1157 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1158 | |
1159 | limit = (dquot->dq_dqb.dqb_bsoftlimit ? | |
1160 | dquot->dq_dqb.dqb_bsoftlimit : | |
1161 | dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits; | |
1162 | if (limit && buf->f_blocks > limit) { | |
1163 | curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits; | |
1164 | buf->f_blocks = limit; | |
1165 | buf->f_bfree = buf->f_bavail = | |
1166 | (buf->f_blocks > curblock) ? | |
1167 | (buf->f_blocks - curblock) : 0; | |
1168 | } | |
1169 | ||
1170 | limit = dquot->dq_dqb.dqb_isoftlimit ? | |
1171 | dquot->dq_dqb.dqb_isoftlimit : | |
1172 | dquot->dq_dqb.dqb_ihardlimit; | |
1173 | if (limit && buf->f_files > limit) { | |
1174 | buf->f_files = limit; | |
1175 | buf->f_ffree = | |
1176 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1177 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1178 | } | |
1179 | ||
955ac6e5 | 1180 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1181 | dqput(dquot); |
1182 | return 0; | |
1183 | } | |
1184 | #endif | |
1185 | ||
aff063e2 JK |
1186 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1187 | { | |
1188 | struct super_block *sb = dentry->d_sb; | |
1189 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1190 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1191 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1192 | u64 avail_node_count; |
aff063e2 JK |
1193 | |
1194 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1195 | user_block_count = sbi->user_block_count; | |
1196 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1197 | buf->f_type = F2FS_SUPER_MAGIC; |
1198 | buf->f_bsize = sbi->blocksize; | |
1199 | ||
1200 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1201 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1202 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1203 | |
1204 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1205 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1206 | buf->f_bfree = 0; | |
1207 | else | |
1208 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1209 | spin_unlock(&sbi->stat_lock); |
4354994f | 1210 | |
63189b78 CY |
1211 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1212 | buf->f_bavail = buf->f_bfree - | |
1213 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1214 | else |
1215 | buf->f_bavail = 0; | |
aff063e2 | 1216 | |
292c196a CY |
1217 | avail_node_count = sbi->total_node_count - sbi->nquota_files - |
1218 | F2FS_RESERVED_NODE_NUM; | |
0cc091d0 JK |
1219 | |
1220 | if (avail_node_count > user_block_count) { | |
1221 | buf->f_files = user_block_count; | |
1222 | buf->f_ffree = buf->f_bavail; | |
1223 | } else { | |
1224 | buf->f_files = avail_node_count; | |
1225 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1226 | buf->f_bavail); | |
1227 | } | |
aff063e2 | 1228 | |
5a20d339 | 1229 | buf->f_namelen = F2FS_NAME_LEN; |
aff063e2 JK |
1230 | buf->f_fsid.val[0] = (u32)id; |
1231 | buf->f_fsid.val[1] = (u32)(id >> 32); | |
1232 | ||
ddc34e32 CY |
1233 | #ifdef CONFIG_QUOTA |
1234 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1235 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1236 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1237 | } | |
1238 | #endif | |
aff063e2 JK |
1239 | return 0; |
1240 | } | |
1241 | ||
4b2414d0 CY |
1242 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1243 | struct super_block *sb) | |
1244 | { | |
1245 | #ifdef CONFIG_QUOTA | |
1246 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1247 | ||
63189b78 | 1248 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1249 | char *fmtname = ""; |
1250 | ||
63189b78 | 1251 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1252 | case QFMT_VFS_OLD: |
1253 | fmtname = "vfsold"; | |
1254 | break; | |
1255 | case QFMT_VFS_V0: | |
1256 | fmtname = "vfsv0"; | |
1257 | break; | |
1258 | case QFMT_VFS_V1: | |
1259 | fmtname = "vfsv1"; | |
1260 | break; | |
1261 | } | |
1262 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1263 | } | |
1264 | ||
63189b78 CY |
1265 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1266 | seq_show_option(seq, "usrjquota", | |
1267 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1268 | |
63189b78 CY |
1269 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1270 | seq_show_option(seq, "grpjquota", | |
1271 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1272 | |
63189b78 CY |
1273 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1274 | seq_show_option(seq, "prjjquota", | |
1275 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1276 | #endif |
1277 | } | |
1278 | ||
aff063e2 JK |
1279 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1280 | { | |
1281 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1282 | ||
6aefd93b JK |
1283 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC)) { |
1284 | if (test_opt(sbi, FORCE_FG_GC)) | |
1285 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1286 | else | |
1287 | seq_printf(seq, ",background_gc=%s", "on"); | |
1288 | } else { | |
696c018c | 1289 | seq_printf(seq, ",background_gc=%s", "off"); |
6aefd93b | 1290 | } |
aff063e2 JK |
1291 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1292 | seq_puts(seq, ",disable_roll_forward"); | |
1293 | if (test_opt(sbi, DISCARD)) | |
1294 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1295 | else |
1296 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1297 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1298 | seq_puts(seq, ",no_heap"); |
1299 | else | |
1300 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1301 | #ifdef CONFIG_F2FS_FS_XATTR |
1302 | if (test_opt(sbi, XATTR_USER)) | |
1303 | seq_puts(seq, ",user_xattr"); | |
1304 | else | |
1305 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1306 | if (test_opt(sbi, INLINE_XATTR)) |
1307 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1308 | else |
1309 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1310 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1311 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1312 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1313 | #endif |
1314 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1315 | if (test_opt(sbi, POSIX_ACL)) | |
1316 | seq_puts(seq, ",acl"); | |
1317 | else | |
1318 | seq_puts(seq, ",noacl"); | |
1319 | #endif | |
1320 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1321 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1322 | if (test_opt(sbi, INLINE_DATA)) |
1323 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1324 | else |
1325 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1326 | if (test_opt(sbi, INLINE_DENTRY)) |
1327 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1328 | else |
1329 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1330 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1331 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1332 | if (test_opt(sbi, NOBARRIER)) |
1333 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1334 | if (test_opt(sbi, FASTBOOT)) |
1335 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1336 | if (test_opt(sbi, EXTENT_CACHE)) |
1337 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1338 | else |
1339 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1340 | if (test_opt(sbi, DATA_FLUSH)) |
1341 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1342 | |
1343 | seq_puts(seq, ",mode="); | |
1344 | if (test_opt(sbi, ADAPTIVE)) | |
1345 | seq_puts(seq, "adaptive"); | |
1346 | else if (test_opt(sbi, LFS)) | |
1347 | seq_puts(seq, "lfs"); | |
63189b78 | 1348 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1349 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1350 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1351 | F2FS_OPTION(sbi).root_reserved_blocks, |
1352 | from_kuid_munged(&init_user_ns, | |
1353 | F2FS_OPTION(sbi).s_resuid), | |
1354 | from_kgid_munged(&init_user_ns, | |
1355 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1356 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1357 | seq_printf(seq, ",io_bits=%u", |
1358 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1359 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1360 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1361 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1362 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1363 | seq_printf(seq, ",fault_type=%u", |
1364 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1365 | } | |
0cc0dec2 | 1366 | #endif |
0abd675e | 1367 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1368 | if (test_opt(sbi, QUOTA)) |
1369 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1370 | if (test_opt(sbi, USRQUOTA)) |
1371 | seq_puts(seq, ",usrquota"); | |
1372 | if (test_opt(sbi, GRPQUOTA)) | |
1373 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1374 | if (test_opt(sbi, PRJQUOTA)) |
1375 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1376 | #endif |
4b2414d0 | 1377 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1378 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1379 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1380 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1381 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
643fa961 | 1382 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1383 | if (F2FS_OPTION(sbi).test_dummy_encryption) |
1384 | seq_puts(seq, ",test_dummy_encryption"); | |
1385 | #endif | |
aff063e2 | 1386 | |
63189b78 | 1387 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1388 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1389 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1390 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1391 | |
4354994f | 1392 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1393 | seq_printf(seq, ",checkpoint=disable:%u", |
1394 | F2FS_OPTION(sbi).unusable_cap); | |
63189b78 | 1395 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1396 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1397 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1398 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1399 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1400 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
aff063e2 JK |
1401 | return 0; |
1402 | } | |
1403 | ||
498c5e9f YH |
1404 | static void default_options(struct f2fs_sb_info *sbi) |
1405 | { | |
1406 | /* init some FS parameters */ | |
63189b78 CY |
1407 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_TYPE; |
1408 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
1409 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1410 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1411 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
ff62af20 | 1412 | F2FS_OPTION(sbi).test_dummy_encryption = false; |
0aa7e0f8 CY |
1413 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1414 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
498c5e9f YH |
1415 | |
1416 | set_opt(sbi, BG_GC); | |
39133a50 | 1417 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1418 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1419 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1420 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1421 | set_opt(sbi, NOHEAP); |
4354994f | 1422 | clear_opt(sbi, DISABLE_CHECKPOINT); |
4d3aed70 | 1423 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1424 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1425 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1426 | set_opt(sbi, DISCARD); |
7beb01f7 | 1427 | if (f2fs_sb_has_blkzoned(sbi)) |
a39e5365 CY |
1428 | set_opt_mode(sbi, F2FS_MOUNT_LFS); |
1429 | else | |
52763a4b | 1430 | set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); |
498c5e9f YH |
1431 | |
1432 | #ifdef CONFIG_F2FS_FS_XATTR | |
1433 | set_opt(sbi, XATTR_USER); | |
1434 | #endif | |
1435 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1436 | set_opt(sbi, POSIX_ACL); | |
1437 | #endif | |
36dbd328 | 1438 | |
d494500a | 1439 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1440 | } |
1441 | ||
ea676733 JK |
1442 | #ifdef CONFIG_QUOTA |
1443 | static int f2fs_enable_quotas(struct super_block *sb); | |
1444 | #endif | |
4354994f DR |
1445 | |
1446 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1447 | { | |
812a9597 | 1448 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1449 | struct cp_control cpc; |
812a9597 JK |
1450 | int err = 0; |
1451 | int ret; | |
4d3aed70 | 1452 | block_t unusable; |
4354994f | 1453 | |
812a9597 | 1454 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1455 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1456 | return -EINVAL; |
1457 | } | |
4354994f DR |
1458 | sbi->sb->s_flags |= SB_ACTIVE; |
1459 | ||
4354994f DR |
1460 | f2fs_update_time(sbi, DISABLE_TIME); |
1461 | ||
1462 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
8f31b466 | 1463 | mutex_lock(&sbi->gc_mutex); |
4354994f | 1464 | err = f2fs_gc(sbi, true, false, NULL_SEGNO); |
812a9597 JK |
1465 | if (err == -ENODATA) { |
1466 | err = 0; | |
4354994f | 1467 | break; |
812a9597 | 1468 | } |
8f31b466 | 1469 | if (err && err != -EAGAIN) |
812a9597 | 1470 | break; |
4354994f | 1471 | } |
4354994f | 1472 | |
812a9597 JK |
1473 | ret = sync_filesystem(sbi->sb); |
1474 | if (ret || err) { | |
1475 | err = ret ? ret: err; | |
1476 | goto restore_flag; | |
1477 | } | |
4354994f | 1478 | |
4d3aed70 DR |
1479 | unusable = f2fs_get_unusable_blocks(sbi); |
1480 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1481 | err = -EAGAIN; |
1482 | goto restore_flag; | |
1483 | } | |
4354994f DR |
1484 | |
1485 | mutex_lock(&sbi->gc_mutex); | |
1486 | cpc.reason = CP_PAUSE; | |
1487 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1488 | err = f2fs_write_checkpoint(sbi, &cpc); |
1489 | if (err) | |
1490 | goto out_unlock; | |
4354994f | 1491 | |
c9c8ed50 | 1492 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1493 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1494 | spin_unlock(&sbi->stat_lock); |
1495 | ||
896285ad | 1496 | out_unlock: |
4354994f | 1497 | mutex_unlock(&sbi->gc_mutex); |
812a9597 JK |
1498 | restore_flag: |
1499 | sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */ | |
1500 | return err; | |
4354994f DR |
1501 | } |
1502 | ||
1503 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1504 | { | |
1505 | mutex_lock(&sbi->gc_mutex); | |
1506 | f2fs_dirty_to_prefree(sbi); | |
1507 | ||
1508 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1509 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1510 | mutex_unlock(&sbi->gc_mutex); | |
1511 | ||
1512 | f2fs_sync_fs(sbi->sb, 1); | |
1513 | } | |
1514 | ||
696c018c NJ |
1515 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1516 | { | |
1517 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1518 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1519 | unsigned long old_sb_flags; |
63189b78 | 1520 | int err; |
876dc59e GZ |
1521 | bool need_restart_gc = false; |
1522 | bool need_stop_gc = false; | |
9cd81ce3 | 1523 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f DR |
1524 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1525 | bool checkpoint_changed; | |
4b2414d0 | 1526 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1527 | int i, j; |
1528 | #endif | |
696c018c NJ |
1529 | |
1530 | /* | |
1531 | * Save the old mount options in case we | |
1532 | * need to restore them. | |
1533 | */ | |
1534 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1535 | old_sb_flags = sb->s_flags; |
696c018c | 1536 | |
4b2414d0 | 1537 | #ifdef CONFIG_QUOTA |
63189b78 | 1538 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1539 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1540 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1541 | org_mount_opt.s_qf_names[i] = | |
1542 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1543 | GFP_KERNEL); | |
1544 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1545 | for (j = 0; j < i; j++) |
5222595d | 1546 | kvfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1547 | return -ENOMEM; |
1548 | } | |
1549 | } else { | |
63189b78 | 1550 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1551 | } |
1552 | } | |
1553 | #endif | |
1554 | ||
df728b0f | 1555 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1556 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1557 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1558 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1559 | err); | |
df728b0f JK |
1560 | if (!err) |
1561 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1562 | } | |
1563 | ||
498c5e9f | 1564 | default_options(sbi); |
26666c8a | 1565 | |
696c018c NJ |
1566 | /* parse mount options */ |
1567 | err = parse_options(sb, data); | |
1568 | if (err) | |
1569 | goto restore_opts; | |
4354994f DR |
1570 | checkpoint_changed = |
1571 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1572 | |
1573 | /* | |
1574 | * Previous and new state of filesystem is RO, | |
876dc59e | 1575 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 1576 | */ |
1751e8a6 | 1577 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
1578 | goto skip; |
1579 | ||
ea676733 | 1580 | #ifdef CONFIG_QUOTA |
1751e8a6 | 1581 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
1582 | err = dquot_suspend(sb, -1); |
1583 | if (err < 0) | |
1584 | goto restore_opts; | |
4354994f | 1585 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 1586 | /* dquot_resume needs RW */ |
1751e8a6 | 1587 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
1588 | if (sb_any_quota_suspended(sb)) { |
1589 | dquot_resume(sb, -1); | |
7beb01f7 | 1590 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
1591 | err = f2fs_enable_quotas(sb); |
1592 | if (err) | |
1593 | goto restore_opts; | |
1594 | } | |
0abd675e | 1595 | } |
ea676733 | 1596 | #endif |
9cd81ce3 CY |
1597 | /* disallow enable/disable extent_cache dynamically */ |
1598 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
1599 | err = -EINVAL; | |
dcbb4c10 | 1600 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
1601 | goto restore_opts; |
1602 | } | |
1603 | ||
4354994f DR |
1604 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
1605 | err = -EINVAL; | |
dcbb4c10 | 1606 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
1607 | goto restore_opts; |
1608 | } | |
1609 | ||
696c018c NJ |
1610 | /* |
1611 | * We stop the GC thread if FS is mounted as RO | |
1612 | * or if background_gc = off is passed in mount | |
1613 | * option. Also sync the filesystem. | |
1614 | */ | |
1751e8a6 | 1615 | if ((*flags & SB_RDONLY) || !test_opt(sbi, BG_GC)) { |
696c018c | 1616 | if (sbi->gc_thread) { |
4d57b86d | 1617 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1618 | need_restart_gc = true; |
696c018c | 1619 | } |
aba291b3 | 1620 | } else if (!sbi->gc_thread) { |
4d57b86d | 1621 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
1622 | if (err) |
1623 | goto restore_opts; | |
876dc59e GZ |
1624 | need_stop_gc = true; |
1625 | } | |
1626 | ||
63189b78 CY |
1627 | if (*flags & SB_RDONLY || |
1628 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
1629 | writeback_inodes_sb(sb, WB_REASON_SYNC); |
1630 | sync_inodes_sb(sb); | |
1631 | ||
1632 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1633 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
1634 | f2fs_sync_fs(sb, 1); | |
1635 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
1636 | } | |
1637 | ||
4354994f DR |
1638 | if (checkpoint_changed) { |
1639 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
1640 | err = f2fs_disable_checkpoint(sbi); | |
1641 | if (err) | |
1642 | goto restore_gc; | |
1643 | } else { | |
1644 | f2fs_enable_checkpoint(sbi); | |
1645 | } | |
1646 | } | |
1647 | ||
876dc59e GZ |
1648 | /* |
1649 | * We stop issue flush thread if FS is mounted as RO | |
1650 | * or if flush_merge is not passed in mount option. | |
1651 | */ | |
1751e8a6 | 1652 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 1653 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 1654 | f2fs_destroy_flush_cmd_control(sbi, false); |
5eba8c5d | 1655 | } else { |
4d57b86d | 1656 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 1657 | if (err) |
a688b9d9 | 1658 | goto restore_gc; |
696c018c NJ |
1659 | } |
1660 | skip: | |
4b2414d0 CY |
1661 | #ifdef CONFIG_QUOTA |
1662 | /* Release old quota file names */ | |
1663 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1664 | kvfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 1665 | #endif |
696c018c | 1666 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
1667 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
1668 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 1669 | |
7e65be49 | 1670 | limit_reserve_root(sbi); |
095680f2 | 1671 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 1672 | return 0; |
876dc59e GZ |
1673 | restore_gc: |
1674 | if (need_restart_gc) { | |
4d57b86d | 1675 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 1676 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 1677 | } else if (need_stop_gc) { |
4d57b86d | 1678 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1679 | } |
696c018c | 1680 | restore_opts: |
4b2414d0 | 1681 | #ifdef CONFIG_QUOTA |
63189b78 | 1682 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 1683 | for (i = 0; i < MAXQUOTAS; i++) { |
5222595d | 1684 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 1685 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
1686 | } |
1687 | #endif | |
696c018c | 1688 | sbi->mount_opt = org_mount_opt; |
0abd675e | 1689 | sb->s_flags = old_sb_flags; |
696c018c NJ |
1690 | return err; |
1691 | } | |
1692 | ||
0abd675e CY |
1693 | #ifdef CONFIG_QUOTA |
1694 | /* Read data from quotafile */ | |
1695 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
1696 | size_t len, loff_t off) | |
1697 | { | |
1698 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1699 | struct address_space *mapping = inode->i_mapping; | |
1700 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
1701 | int offset = off & (sb->s_blocksize - 1); | |
1702 | int tocopy; | |
1703 | size_t toread; | |
1704 | loff_t i_size = i_size_read(inode); | |
1705 | struct page *page; | |
1706 | char *kaddr; | |
1707 | ||
1708 | if (off > i_size) | |
1709 | return 0; | |
1710 | ||
1711 | if (off + len > i_size) | |
1712 | len = i_size - off; | |
1713 | toread = len; | |
1714 | while (toread > 0) { | |
1715 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
1716 | repeat: | |
02117b8a | 1717 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
1718 | if (IS_ERR(page)) { |
1719 | if (PTR_ERR(page) == -ENOMEM) { | |
1720 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
1721 | goto repeat; | |
1722 | } | |
af033b2a | 1723 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1724 | return PTR_ERR(page); |
4e46a023 | 1725 | } |
0abd675e CY |
1726 | |
1727 | lock_page(page); | |
1728 | ||
1729 | if (unlikely(page->mapping != mapping)) { | |
1730 | f2fs_put_page(page, 1); | |
1731 | goto repeat; | |
1732 | } | |
1733 | if (unlikely(!PageUptodate(page))) { | |
1734 | f2fs_put_page(page, 1); | |
af033b2a | 1735 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
1736 | return -EIO; |
1737 | } | |
1738 | ||
1739 | kaddr = kmap_atomic(page); | |
1740 | memcpy(data, kaddr + offset, tocopy); | |
1741 | kunmap_atomic(kaddr); | |
1742 | f2fs_put_page(page, 1); | |
1743 | ||
1744 | offset = 0; | |
1745 | toread -= tocopy; | |
1746 | data += tocopy; | |
1747 | blkidx++; | |
1748 | } | |
1749 | return len; | |
1750 | } | |
1751 | ||
1752 | /* Write to quotafile */ | |
1753 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
1754 | const char *data, size_t len, loff_t off) | |
1755 | { | |
1756 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1757 | struct address_space *mapping = inode->i_mapping; | |
1758 | const struct address_space_operations *a_ops = mapping->a_ops; | |
1759 | int offset = off & (sb->s_blocksize - 1); | |
1760 | size_t towrite = len; | |
1761 | struct page *page; | |
1762 | char *kaddr; | |
1763 | int err = 0; | |
1764 | int tocopy; | |
1765 | ||
1766 | while (towrite > 0) { | |
1767 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
1768 | towrite); | |
4e46a023 | 1769 | retry: |
0abd675e CY |
1770 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
1771 | &page, NULL); | |
4e46a023 JK |
1772 | if (unlikely(err)) { |
1773 | if (err == -ENOMEM) { | |
1774 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
1775 | goto retry; | |
1776 | } | |
af033b2a | 1777 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1778 | break; |
4e46a023 | 1779 | } |
0abd675e CY |
1780 | |
1781 | kaddr = kmap_atomic(page); | |
1782 | memcpy(kaddr + offset, data, tocopy); | |
1783 | kunmap_atomic(kaddr); | |
1784 | flush_dcache_page(page); | |
1785 | ||
1786 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
1787 | page, NULL); | |
1788 | offset = 0; | |
1789 | towrite -= tocopy; | |
1790 | off += tocopy; | |
1791 | data += tocopy; | |
1792 | cond_resched(); | |
1793 | } | |
1794 | ||
1795 | if (len == towrite) | |
6e5b5d41 | 1796 | return err; |
0abd675e CY |
1797 | inode->i_mtime = inode->i_ctime = current_time(inode); |
1798 | f2fs_mark_inode_dirty_sync(inode, false); | |
1799 | return len - towrite; | |
1800 | } | |
1801 | ||
1802 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
1803 | { | |
1804 | return F2FS_I(inode)->i_dquot; | |
1805 | } | |
1806 | ||
1807 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
1808 | { | |
1809 | return &F2FS_I(inode)->i_reserved_quota; | |
1810 | } | |
1811 | ||
4b2414d0 CY |
1812 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
1813 | { | |
af033b2a | 1814 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 1815 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
1816 | return 0; |
1817 | } | |
1818 | ||
63189b78 CY |
1819 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
1820 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
1821 | } |
1822 | ||
ea676733 | 1823 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 1824 | { |
ea676733 JK |
1825 | int enabled = 0; |
1826 | int i, err; | |
1827 | ||
7beb01f7 | 1828 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
1829 | err = f2fs_enable_quotas(sbi->sb); |
1830 | if (err) { | |
dcbb4c10 | 1831 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
1832 | return 0; |
1833 | } | |
1834 | return 1; | |
1835 | } | |
4b2414d0 CY |
1836 | |
1837 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 1838 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
1839 | err = f2fs_quota_on_mount(sbi, i); |
1840 | if (!err) { | |
1841 | enabled = 1; | |
1842 | continue; | |
1843 | } | |
dcbb4c10 JP |
1844 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
1845 | err, i); | |
4b2414d0 CY |
1846 | } |
1847 | } | |
ea676733 JK |
1848 | return enabled; |
1849 | } | |
1850 | ||
1851 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
1852 | unsigned int flags) | |
1853 | { | |
1854 | struct inode *qf_inode; | |
1855 | unsigned long qf_inum; | |
1856 | int err; | |
1857 | ||
7beb01f7 | 1858 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
1859 | |
1860 | qf_inum = f2fs_qf_ino(sb, type); | |
1861 | if (!qf_inum) | |
1862 | return -EPERM; | |
1863 | ||
1864 | qf_inode = f2fs_iget(sb, qf_inum); | |
1865 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 1866 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
1867 | return PTR_ERR(qf_inode); |
1868 | } | |
1869 | ||
1870 | /* Don't account quota for quota files to avoid recursion */ | |
1871 | qf_inode->i_flags |= S_NOQUOTA; | |
1872 | err = dquot_enable(qf_inode, type, format_id, flags); | |
1873 | iput(qf_inode); | |
1874 | return err; | |
1875 | } | |
1876 | ||
1877 | static int f2fs_enable_quotas(struct super_block *sb) | |
1878 | { | |
dcbb4c10 | 1879 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
1880 | int type, err = 0; |
1881 | unsigned long qf_inum; | |
1882 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
1883 | test_opt(sbi, USRQUOTA), |
1884 | test_opt(sbi, GRPQUOTA), | |
1885 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
1886 | }; |
1887 | ||
af033b2a | 1888 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 1889 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
1890 | return 0; |
1891 | } | |
1892 | ||
1893 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
1894 | ||
ea676733 JK |
1895 | for (type = 0; type < MAXQUOTAS; type++) { |
1896 | qf_inum = f2fs_qf_ino(sb, type); | |
1897 | if (qf_inum) { | |
1898 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
1899 | DQUOT_USAGE_ENABLED | | |
1900 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
1901 | if (err) { | |
dcbb4c10 JP |
1902 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
1903 | type, err); | |
ea676733 JK |
1904 | for (type--; type >= 0; type--) |
1905 | dquot_quota_off(sb, type); | |
af033b2a CY |
1906 | set_sbi_flag(F2FS_SB(sb), |
1907 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
1908 | return err; |
1909 | } | |
4b2414d0 CY |
1910 | } |
1911 | } | |
ea676733 | 1912 | return 0; |
4b2414d0 CY |
1913 | } |
1914 | ||
af033b2a | 1915 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 1916 | { |
af033b2a | 1917 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
1918 | struct quota_info *dqopt = sb_dqopt(sb); |
1919 | int cnt; | |
1920 | int ret; | |
1921 | ||
db6ec53b JK |
1922 | /* |
1923 | * do_quotactl | |
1924 | * f2fs_quota_sync | |
1925 | * down_read(quota_sem) | |
1926 | * dquot_writeback_dquots() | |
1927 | * f2fs_dquot_commit | |
1928 | * block_operation | |
1929 | * down_read(quota_sem) | |
1930 | */ | |
1931 | f2fs_lock_op(sbi); | |
1932 | ||
1933 | down_read(&sbi->quota_sem); | |
0abd675e CY |
1934 | ret = dquot_writeback_dquots(sb, type); |
1935 | if (ret) | |
af033b2a | 1936 | goto out; |
0abd675e CY |
1937 | |
1938 | /* | |
1939 | * Now when everything is written we can discard the pagecache so | |
1940 | * that userspace sees the changes. | |
1941 | */ | |
1942 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
1943 | struct address_space *mapping; |
1944 | ||
0abd675e CY |
1945 | if (type != -1 && cnt != type) |
1946 | continue; | |
1947 | if (!sb_has_quota_active(sb, cnt)) | |
1948 | continue; | |
1949 | ||
af033b2a CY |
1950 | mapping = dqopt->files[cnt]->i_mapping; |
1951 | ||
1952 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 1953 | if (ret) |
af033b2a CY |
1954 | goto out; |
1955 | ||
1956 | /* if we are using journalled quota */ | |
1957 | if (is_journalled_quota(sbi)) | |
1958 | continue; | |
1959 | ||
1960 | ret = filemap_fdatawait(mapping); | |
1961 | if (ret) | |
1962 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
1963 | |
1964 | inode_lock(dqopt->files[cnt]); | |
1965 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
1966 | inode_unlock(dqopt->files[cnt]); | |
1967 | } | |
af033b2a CY |
1968 | out: |
1969 | if (ret) | |
1970 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
1971 | up_read(&sbi->quota_sem); |
1972 | f2fs_unlock_op(sbi); | |
af033b2a | 1973 | return ret; |
0abd675e CY |
1974 | } |
1975 | ||
1976 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
1977 | const struct path *path) | |
1978 | { | |
1979 | struct inode *inode; | |
1980 | int err; | |
1981 | ||
9a20d391 | 1982 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
1983 | if (err) |
1984 | return err; | |
1985 | ||
1986 | err = dquot_quota_on(sb, type, format_id, path); | |
1987 | if (err) | |
1988 | return err; | |
1989 | ||
1990 | inode = d_inode(path->dentry); | |
1991 | ||
1992 | inode_lock(inode); | |
59c84408 | 1993 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 1994 | f2fs_set_inode_flags(inode); |
0abd675e CY |
1995 | inode_unlock(inode); |
1996 | f2fs_mark_inode_dirty_sync(inode, false); | |
1997 | ||
1998 | return 0; | |
1999 | } | |
2000 | ||
2001 | static int f2fs_quota_off(struct super_block *sb, int type) | |
2002 | { | |
2003 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2004 | int err; | |
2005 | ||
2006 | if (!inode || !igrab(inode)) | |
2007 | return dquot_quota_off(sb, type); | |
2008 | ||
cda9cc59 YH |
2009 | err = f2fs_quota_sync(sb, type); |
2010 | if (err) | |
2011 | goto out_put; | |
0abd675e CY |
2012 | |
2013 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2014 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2015 | goto out_put; |
2016 | ||
2017 | inode_lock(inode); | |
59c84408 | 2018 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2019 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2020 | inode_unlock(inode); |
2021 | f2fs_mark_inode_dirty_sync(inode, false); | |
2022 | out_put: | |
2023 | iput(inode); | |
2024 | return err; | |
2025 | } | |
2026 | ||
4b2414d0 | 2027 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2028 | { |
2029 | int type; | |
cda9cc59 YH |
2030 | int err; |
2031 | ||
2032 | for (type = 0; type < MAXQUOTAS; type++) { | |
2033 | err = f2fs_quota_off(sb, type); | |
2034 | if (err) { | |
2035 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2036 | |
dcbb4c10 JP |
2037 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2038 | type, err, ret); | |
af033b2a | 2039 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2040 | } |
2041 | } | |
0e0667b6 JK |
2042 | /* |
2043 | * In case of checkpoint=disable, we must flush quota blocks. | |
2044 | * This can cause NULL exception for node_inode in end_io, since | |
2045 | * put_super already dropped it. | |
2046 | */ | |
2047 | sync_filesystem(sb); | |
0abd675e CY |
2048 | } |
2049 | ||
26b5a079 SY |
2050 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2051 | { | |
2052 | struct quota_info *dqopt = sb_dqopt(sb); | |
2053 | int type; | |
2054 | ||
2055 | for (type = 0; type < MAXQUOTAS; type++) { | |
2056 | if (!dqopt->files[type]) | |
2057 | continue; | |
2058 | f2fs_inode_synced(dqopt->files[type]); | |
2059 | } | |
2060 | } | |
2061 | ||
af033b2a CY |
2062 | static int f2fs_dquot_commit(struct dquot *dquot) |
2063 | { | |
db6ec53b | 2064 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2065 | int ret; |
2066 | ||
db6ec53b | 2067 | down_read(&sbi->quota_sem); |
af033b2a CY |
2068 | ret = dquot_commit(dquot); |
2069 | if (ret < 0) | |
db6ec53b JK |
2070 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2071 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2072 | return ret; |
2073 | } | |
2074 | ||
2075 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2076 | { | |
db6ec53b | 2077 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2078 | int ret; |
2079 | ||
db6ec53b | 2080 | down_read(&sbi->quota_sem); |
af033b2a CY |
2081 | ret = dquot_acquire(dquot); |
2082 | if (ret < 0) | |
db6ec53b JK |
2083 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2084 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2085 | return ret; |
2086 | } | |
2087 | ||
2088 | static int f2fs_dquot_release(struct dquot *dquot) | |
2089 | { | |
db6ec53b | 2090 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2091 | int ret; |
2092 | ||
db6ec53b | 2093 | down_read(&sbi->quota_sem); |
af033b2a CY |
2094 | ret = dquot_release(dquot); |
2095 | if (ret < 0) | |
db6ec53b JK |
2096 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2097 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2098 | return ret; |
2099 | } | |
2100 | ||
2101 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2102 | { | |
2103 | struct super_block *sb = dquot->dq_sb; | |
2104 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2105 | int ret; | |
2106 | ||
db6ec53b | 2107 | down_read(&sbi->quota_sem); |
af033b2a CY |
2108 | ret = dquot_mark_dquot_dirty(dquot); |
2109 | ||
2110 | /* if we are using journalled quota */ | |
2111 | if (is_journalled_quota(sbi)) | |
2112 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2113 | ||
db6ec53b | 2114 | up_read(&sbi->quota_sem); |
af033b2a CY |
2115 | return ret; |
2116 | } | |
2117 | ||
2118 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2119 | { | |
db6ec53b | 2120 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
af033b2a CY |
2121 | int ret; |
2122 | ||
db6ec53b | 2123 | down_read(&sbi->quota_sem); |
af033b2a CY |
2124 | ret = dquot_commit_info(sb, type); |
2125 | if (ret < 0) | |
db6ec53b JK |
2126 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2127 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2128 | return ret; |
2129 | } | |
26b5a079 | 2130 | |
94b1e10e | 2131 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2132 | { |
2133 | *projid = F2FS_I(inode)->i_projid; | |
2134 | return 0; | |
2135 | } | |
2136 | ||
0abd675e CY |
2137 | static const struct dquot_operations f2fs_quota_operations = { |
2138 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2139 | .write_dquot = f2fs_dquot_commit, |
2140 | .acquire_dquot = f2fs_dquot_acquire, | |
2141 | .release_dquot = f2fs_dquot_release, | |
2142 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2143 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2144 | .alloc_dquot = dquot_alloc, |
2145 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2146 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2147 | .get_next_id = dquot_get_next_id, |
2148 | }; | |
2149 | ||
2150 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2151 | .quota_on = f2fs_quota_on, | |
2152 | .quota_off = f2fs_quota_off, | |
2153 | .quota_sync = f2fs_quota_sync, | |
2154 | .get_state = dquot_get_state, | |
2155 | .set_info = dquot_set_dqinfo, | |
2156 | .get_dqblk = dquot_get_dqblk, | |
2157 | .set_dqblk = dquot_set_dqblk, | |
2158 | .get_nextdqblk = dquot_get_next_dqblk, | |
2159 | }; | |
2160 | #else | |
af033b2a CY |
2161 | int f2fs_quota_sync(struct super_block *sb, int type) |
2162 | { | |
2163 | return 0; | |
2164 | } | |
2165 | ||
4b2414d0 | 2166 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2167 | { |
2168 | } | |
2169 | #endif | |
2170 | ||
f62fc9f9 | 2171 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2172 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2173 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2174 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2175 | .write_inode = f2fs_write_inode, |
b3783873 | 2176 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2177 | .show_options = f2fs_show_options, |
0abd675e CY |
2178 | #ifdef CONFIG_QUOTA |
2179 | .quota_read = f2fs_quota_read, | |
2180 | .quota_write = f2fs_quota_write, | |
2181 | .get_dquots = f2fs_get_dquots, | |
2182 | #endif | |
aff063e2 JK |
2183 | .evict_inode = f2fs_evict_inode, |
2184 | .put_super = f2fs_put_super, | |
2185 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2186 | .freeze_fs = f2fs_freeze, |
2187 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2188 | .statfs = f2fs_statfs, |
696c018c | 2189 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2190 | }; |
2191 | ||
643fa961 | 2192 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2193 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2194 | { | |
2195 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2196 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2197 | ctx, len, NULL); | |
2198 | } | |
2199 | ||
2200 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2201 | void *fs_data) | |
2202 | { | |
b7c409de SY |
2203 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2204 | ||
2205 | /* | |
2206 | * Encrypting the root directory is not allowed because fsck | |
2207 | * expects lost+found directory to exist and remain unencrypted | |
2208 | * if LOST_FOUND feature is enabled. | |
2209 | * | |
2210 | */ | |
7beb01f7 | 2211 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2212 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2213 | return -EPERM; | |
2214 | ||
0b81d077 JK |
2215 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2216 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2217 | ctx, len, fs_data, XATTR_CREATE); | |
2218 | } | |
2219 | ||
ff62af20 SY |
2220 | static bool f2fs_dummy_context(struct inode *inode) |
2221 | { | |
2222 | return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode)); | |
2223 | } | |
2224 | ||
6f69f0ed | 2225 | static const struct fscrypt_operations f2fs_cryptops = { |
a5d431ef | 2226 | .key_prefix = "f2fs:", |
0b81d077 JK |
2227 | .get_context = f2fs_get_context, |
2228 | .set_context = f2fs_set_context, | |
ff62af20 | 2229 | .dummy_context = f2fs_dummy_context, |
0b81d077 | 2230 | .empty_dir = f2fs_empty_dir, |
e12ee683 | 2231 | .max_namelen = F2FS_NAME_LEN, |
0b81d077 | 2232 | }; |
0b81d077 JK |
2233 | #endif |
2234 | ||
aff063e2 JK |
2235 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2236 | u64 ino, u32 generation) | |
2237 | { | |
2238 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2239 | struct inode *inode; | |
2240 | ||
4d57b86d | 2241 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2242 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2243 | |
2244 | /* | |
2245 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2246 | * However f2fs_iget currently does appropriate checks to handle stale | |
2247 | * inodes so everything is OK. | |
2248 | */ | |
2249 | inode = f2fs_iget(sb, ino); | |
2250 | if (IS_ERR(inode)) | |
2251 | return ERR_CAST(inode); | |
6bacf52f | 2252 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2253 | /* we didn't find the right inode.. */ |
2254 | iput(inode); | |
2255 | return ERR_PTR(-ESTALE); | |
2256 | } | |
2257 | return inode; | |
2258 | } | |
2259 | ||
2260 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2261 | int fh_len, int fh_type) | |
2262 | { | |
2263 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2264 | f2fs_nfs_get_inode); | |
2265 | } | |
2266 | ||
2267 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2268 | int fh_len, int fh_type) | |
2269 | { | |
2270 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2271 | f2fs_nfs_get_inode); | |
2272 | } | |
2273 | ||
2274 | static const struct export_operations f2fs_export_ops = { | |
2275 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2276 | .fh_to_parent = f2fs_fh_to_parent, | |
2277 | .get_parent = f2fs_get_parent, | |
2278 | }; | |
2279 | ||
e0afc4d6 | 2280 | static loff_t max_file_blocks(void) |
aff063e2 | 2281 | { |
7a2af766 | 2282 | loff_t result = 0; |
d02a6e61 | 2283 | loff_t leaf_count = DEF_ADDRS_PER_BLOCK; |
aff063e2 | 2284 | |
7a2af766 CY |
2285 | /* |
2286 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2287 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2288 | * space in inode.i_addr, it will be more safe to reassign |
2289 | * result as zero. | |
2290 | */ | |
2291 | ||
aff063e2 JK |
2292 | /* two direct node blocks */ |
2293 | result += (leaf_count * 2); | |
2294 | ||
2295 | /* two indirect node blocks */ | |
2296 | leaf_count *= NIDS_PER_BLOCK; | |
2297 | result += (leaf_count * 2); | |
2298 | ||
2299 | /* one double indirect node block */ | |
2300 | leaf_count *= NIDS_PER_BLOCK; | |
2301 | result += leaf_count; | |
2302 | ||
aff063e2 JK |
2303 | return result; |
2304 | } | |
2305 | ||
fd694733 JK |
2306 | static int __f2fs_commit_super(struct buffer_head *bh, |
2307 | struct f2fs_super_block *super) | |
2308 | { | |
2309 | lock_buffer(bh); | |
2310 | if (super) | |
2311 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2312 | set_buffer_dirty(bh); |
2313 | unlock_buffer(bh); | |
2314 | ||
2315 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2316 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2317 | } |
2318 | ||
df728b0f | 2319 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2320 | struct buffer_head *bh) |
9a59b62f | 2321 | { |
fd694733 JK |
2322 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2323 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2324 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2325 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2326 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2327 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2328 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2329 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2330 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2331 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2332 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2333 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2334 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2335 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2336 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2337 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2338 | u64 main_end_blkaddr = main_blkaddr + |
2339 | (segment_count_main << log_blocks_per_seg); | |
2340 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2341 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2342 | |
2343 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2344 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2345 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2346 | return true; |
2347 | } | |
2348 | ||
2349 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2350 | sit_blkaddr) { | |
dcbb4c10 JP |
2351 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2352 | cp_blkaddr, sit_blkaddr, | |
2353 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2354 | return true; |
2355 | } | |
2356 | ||
2357 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2358 | nat_blkaddr) { | |
dcbb4c10 JP |
2359 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2360 | sit_blkaddr, nat_blkaddr, | |
2361 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2362 | return true; |
2363 | } | |
2364 | ||
2365 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2366 | ssa_blkaddr) { | |
dcbb4c10 JP |
2367 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2368 | nat_blkaddr, ssa_blkaddr, | |
2369 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2370 | return true; |
2371 | } | |
2372 | ||
2373 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2374 | main_blkaddr) { | |
dcbb4c10 JP |
2375 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2376 | ssa_blkaddr, main_blkaddr, | |
2377 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2378 | return true; |
2379 | } | |
2380 | ||
fd694733 | 2381 | if (main_end_blkaddr > seg_end_blkaddr) { |
dcbb4c10 JP |
2382 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", |
2383 | main_blkaddr, | |
2384 | segment0_blkaddr + | |
2385 | (segment_count << log_blocks_per_seg), | |
2386 | segment_count_main << log_blocks_per_seg); | |
9a59b62f | 2387 | return true; |
fd694733 JK |
2388 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2389 | int err = 0; | |
2390 | char *res; | |
2391 | ||
2392 | /* fix in-memory information all the time */ | |
2393 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2394 | segment0_blkaddr) >> log_blocks_per_seg); | |
2395 | ||
2396 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2397 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2398 | res = "internally"; |
2399 | } else { | |
2400 | err = __f2fs_commit_super(bh, NULL); | |
2401 | res = err ? "failed" : "done"; | |
2402 | } | |
dcbb4c10 JP |
2403 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)", |
2404 | res, main_blkaddr, | |
2405 | segment0_blkaddr + | |
2406 | (segment_count << log_blocks_per_seg), | |
2407 | segment_count_main << log_blocks_per_seg); | |
fd694733 JK |
2408 | if (err) |
2409 | return true; | |
9a59b62f | 2410 | } |
9a59b62f CY |
2411 | return false; |
2412 | } | |
2413 | ||
df728b0f | 2414 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2415 | struct buffer_head *bh) |
aff063e2 | 2416 | { |
0cfe75c5 JK |
2417 | block_t segment_count, segs_per_sec, secs_per_zone; |
2418 | block_t total_sections, blocks_per_seg; | |
fd694733 JK |
2419 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2420 | (bh->b_data + F2FS_SUPER_OFFSET); | |
aff063e2 | 2421 | unsigned int blocksize; |
d440c52d JZ |
2422 | size_t crc_offset = 0; |
2423 | __u32 crc = 0; | |
2424 | ||
38fb6d0e IZ |
2425 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2426 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2427 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2428 | return -EINVAL; | |
2429 | } | |
2430 | ||
d440c52d | 2431 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2432 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2433 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2434 | if (crc_offset != | |
2435 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2436 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2437 | crc_offset); | |
38fb6d0e | 2438 | return -EFSCORRUPTED; |
d440c52d JZ |
2439 | } |
2440 | crc = le32_to_cpu(raw_super->crc); | |
2441 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2442 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2443 | return -EFSCORRUPTED; |
d440c52d JZ |
2444 | } |
2445 | } | |
aff063e2 | 2446 | |
5c9b4692 | 2447 | /* Currently, support only 4KB page cache size */ |
09cbfeaf | 2448 | if (F2FS_BLKSIZE != PAGE_SIZE) { |
dcbb4c10 JP |
2449 | f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", |
2450 | PAGE_SIZE); | |
38fb6d0e | 2451 | return -EFSCORRUPTED; |
5c9b4692 | 2452 | } |
2453 | ||
aff063e2 JK |
2454 | /* Currently, support only 4KB block size */ |
2455 | blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); | |
5c9b4692 | 2456 | if (blocksize != F2FS_BLKSIZE) { |
dcbb4c10 JP |
2457 | f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", |
2458 | blocksize); | |
38fb6d0e | 2459 | return -EFSCORRUPTED; |
a07ef784 | 2460 | } |
5c9b4692 | 2461 | |
9a59b62f CY |
2462 | /* check log blocks per segment */ |
2463 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2464 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2465 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2466 | return -EFSCORRUPTED; |
9a59b62f CY |
2467 | } |
2468 | ||
55cf9cb6 CY |
2469 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2470 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2471 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2472 | le32_to_cpu(raw_super->log_sectorsize) < | |
2473 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2474 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2475 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2476 | return -EFSCORRUPTED; |
a07ef784 | 2477 | } |
55cf9cb6 CY |
2478 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2479 | le32_to_cpu(raw_super->log_sectorsize) != | |
2480 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2481 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
2482 | le32_to_cpu(raw_super->log_sectors_per_block), | |
2483 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2484 | return -EFSCORRUPTED; |
a07ef784 | 2485 | } |
9a59b62f | 2486 | |
0cfe75c5 JK |
2487 | segment_count = le32_to_cpu(raw_super->segment_count); |
2488 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2489 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2490 | total_sections = le32_to_cpu(raw_super->section_count); | |
2491 | ||
2492 | /* blocks_per_seg should be 512, given the above check */ | |
2493 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
2494 | ||
2495 | if (segment_count > F2FS_MAX_SEGMENT || | |
2496 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 2497 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 2498 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2499 | } |
2500 | ||
2501 | if (total_sections > segment_count || | |
2502 | total_sections < F2FS_MIN_SEGMENTS || | |
2503 | segs_per_sec > segment_count || !segs_per_sec) { | |
dcbb4c10 JP |
2504 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
2505 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 2506 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2507 | } |
2508 | ||
2509 | if ((segment_count / segs_per_sec) < total_sections) { | |
dcbb4c10 JP |
2510 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
2511 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 2512 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2513 | } |
2514 | ||
88960068 | 2515 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
2516 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
2517 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 2518 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2519 | } |
2520 | ||
42bf546c | 2521 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
2522 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
2523 | secs_per_zone, total_sections); | |
38fb6d0e | 2524 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2525 | } |
2526 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
2527 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
2528 | (le32_to_cpu(raw_super->extension_count) + | |
2529 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
2530 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
2531 | le32_to_cpu(raw_super->extension_count), | |
2532 | raw_super->hot_ext_count, | |
2533 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 2534 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2535 | } |
2536 | ||
2537 | if (le32_to_cpu(raw_super->cp_payload) > | |
2538 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
2539 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
2540 | le32_to_cpu(raw_super->cp_payload), | |
2541 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 2542 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2543 | } |
2544 | ||
9a59b62f CY |
2545 | /* check reserved ino info */ |
2546 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
2547 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
2548 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
2549 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
2550 | le32_to_cpu(raw_super->node_ino), | |
2551 | le32_to_cpu(raw_super->meta_ino), | |
2552 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 2553 | return -EFSCORRUPTED; |
9a59b62f CY |
2554 | } |
2555 | ||
2556 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 2557 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 2558 | return -EFSCORRUPTED; |
9a59b62f | 2559 | |
aff063e2 JK |
2560 | return 0; |
2561 | } | |
2562 | ||
4d57b86d | 2563 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
2564 | { |
2565 | unsigned int total, fsmeta; | |
577e3495 JK |
2566 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
2567 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 2568 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 2569 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
2570 | unsigned int sit_segs, nat_segs; |
2571 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
2572 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 2573 | unsigned int segment_count_main; |
e494c2f9 | 2574 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
2575 | block_t user_block_count, valid_user_blocks; |
2576 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 2577 | int i, j; |
aff063e2 JK |
2578 | |
2579 | total = le32_to_cpu(raw_super->segment_count); | |
2580 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
2581 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
2582 | fsmeta += sit_segs; | |
2583 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
2584 | fsmeta += nat_segs; | |
aff063e2 JK |
2585 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
2586 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
2587 | ||
6bacf52f | 2588 | if (unlikely(fsmeta >= total)) |
aff063e2 | 2589 | return 1; |
577e3495 | 2590 | |
2040fce8 JK |
2591 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
2592 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
2593 | ||
2594 | if (unlikely(fsmeta < F2FS_MIN_SEGMENTS || | |
2595 | ovp_segments == 0 || reserved_segments == 0)) { | |
dcbb4c10 | 2596 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
2597 | return 1; |
2598 | } | |
2599 | ||
9dc956b2 CY |
2600 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
2601 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2602 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2603 | if (!user_block_count || user_block_count >= | |
2604 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
2605 | f2fs_err(sbi, "Wrong user_block_count: %u", |
2606 | user_block_count); | |
9dc956b2 CY |
2607 | return 1; |
2608 | } | |
2609 | ||
7b63f72f CY |
2610 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
2611 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
2612 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
2613 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
2614 | return 1; |
2615 | } | |
2616 | ||
2617 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
2618 | avail_node_count = sbi->total_node_count - sbi->nquota_files - | |
2619 | F2FS_RESERVED_NODE_NUM; | |
2620 | if (valid_node_count > avail_node_count) { | |
dcbb4c10 JP |
2621 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
2622 | valid_node_count, avail_node_count); | |
7b63f72f CY |
2623 | return 1; |
2624 | } | |
2625 | ||
15d3042a JQ |
2626 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
2627 | blocks_per_seg = sbi->blocks_per_seg; | |
2628 | ||
2629 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2630 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
2631 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
2632 | return 1; | |
042be0f8 CY |
2633 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
2634 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2635 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
2636 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
2637 | i, j, | |
2638 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2639 | return 1; |
2640 | } | |
2641 | } | |
15d3042a JQ |
2642 | } |
2643 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
2644 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
2645 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
2646 | return 1; | |
042be0f8 CY |
2647 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
2648 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
2649 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
2650 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
2651 | i, j, | |
2652 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
2653 | return 1; |
2654 | } | |
2655 | } | |
2656 | } | |
2657 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2658 | for (j = i; j < NR_CURSEG_DATA_TYPE; j++) { | |
2659 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2660 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
2661 | f2fs_err(sbi, "Data segment (%u) and Data segment (%u) has the same segno: %u", |
2662 | i, j, | |
2663 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2664 | return 1; |
2665 | } | |
2666 | } | |
15d3042a JQ |
2667 | } |
2668 | ||
c77ec61c CY |
2669 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
2670 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
2671 | |
2672 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
2673 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
2674 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
2675 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
2676 | return 1; |
2677 | } | |
e494c2f9 CY |
2678 | |
2679 | cp_pack_start_sum = __start_sum_addr(sbi); | |
2680 | cp_payload = __cp_payload(sbi); | |
2681 | if (cp_pack_start_sum < cp_payload + 1 || | |
2682 | cp_pack_start_sum > blocks_per_seg - 1 - | |
2683 | NR_CURSEG_TYPE) { | |
dcbb4c10 JP |
2684 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
2685 | cp_pack_start_sum); | |
e494c2f9 CY |
2686 | return 1; |
2687 | } | |
c77ec61c | 2688 | |
5dae2d39 CY |
2689 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
2690 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
2691 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
2692 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
2693 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 2694 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
2695 | return 1; |
2696 | } | |
2697 | ||
1e968fdf | 2698 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 2699 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
2700 | return 1; |
2701 | } | |
aff063e2 JK |
2702 | return 0; |
2703 | } | |
2704 | ||
2705 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
2706 | { | |
2707 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 2708 | int i; |
aff063e2 JK |
2709 | |
2710 | sbi->log_sectors_per_block = | |
2711 | le32_to_cpu(raw_super->log_sectors_per_block); | |
2712 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
2713 | sbi->blocksize = 1 << sbi->log_blocksize; | |
2714 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2715 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
2716 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2717 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2718 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
2719 | sbi->total_node_count = | |
2720 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
2721 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
2722 | sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); | |
2723 | sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); | |
2724 | sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 2725 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
2726 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
2727 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 2728 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 2729 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 2730 | |
ab9fa662 | 2731 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 2732 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 2733 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
2734 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
2735 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 2736 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
2737 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
2738 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 2739 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 2740 | |
35782b23 JK |
2741 | for (i = 0; i < NR_COUNT_TYPE; i++) |
2742 | atomic_set(&sbi->nr_pages[i], 0); | |
2743 | ||
c29fd0c0 CY |
2744 | for (i = 0; i < META; i++) |
2745 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 2746 | |
2658e50d JK |
2747 | INIT_LIST_HEAD(&sbi->s_list); |
2748 | mutex_init(&sbi->umount_mutex); | |
107a805d | 2749 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 2750 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
2751 | |
2752 | sbi->dirty_device = 0; | |
2753 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 2754 | |
846ae671 | 2755 | init_rwsem(&sbi->sb_lock); |
aff063e2 JK |
2756 | } |
2757 | ||
523be8a6 JK |
2758 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
2759 | { | |
35782b23 | 2760 | int err; |
41382ec4 | 2761 | |
513c5f37 JK |
2762 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
2763 | if (err) | |
2764 | return err; | |
2765 | ||
4a70e255 | 2766 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 2767 | GFP_KERNEL); |
4a70e255 CY |
2768 | if (err) |
2769 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
2770 | ||
2771 | return err; | |
523be8a6 JK |
2772 | } |
2773 | ||
178053e2 | 2774 | #ifdef CONFIG_BLK_DEV_ZONED |
3c62be17 | 2775 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 2776 | { |
3c62be17 | 2777 | struct block_device *bdev = FDEV(devi).bdev; |
178053e2 DLM |
2778 | sector_t nr_sectors = bdev->bd_part->nr_sects; |
2779 | sector_t sector = 0; | |
2780 | struct blk_zone *zones; | |
2781 | unsigned int i, nr_zones; | |
2782 | unsigned int n = 0; | |
2783 | int err = -EIO; | |
2784 | ||
7beb01f7 | 2785 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
2786 | return 0; |
2787 | ||
3c62be17 | 2788 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 2789 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 2790 | return -EINVAL; |
f99e8648 | 2791 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
2792 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
2793 | __ilog2_u32(sbi->blocks_per_blkz)) | |
2794 | return -EINVAL; | |
178053e2 | 2795 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
2796 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
2797 | sbi->log_blocks_per_blkz; | |
f99e8648 | 2798 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 2799 | FDEV(devi).nr_blkz++; |
178053e2 | 2800 | |
95175daf DLM |
2801 | FDEV(devi).blkz_seq = f2fs_kzalloc(sbi, |
2802 | BITS_TO_LONGS(FDEV(devi).nr_blkz) | |
2803 | * sizeof(unsigned long), | |
2804 | GFP_KERNEL); | |
2805 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
2806 | return -ENOMEM; |
2807 | ||
2808 | #define F2FS_REPORT_NR_ZONES 4096 | |
2809 | ||
026f0507 KC |
2810 | zones = f2fs_kzalloc(sbi, |
2811 | array_size(F2FS_REPORT_NR_ZONES, | |
2812 | sizeof(struct blk_zone)), | |
2813 | GFP_KERNEL); | |
178053e2 DLM |
2814 | if (!zones) |
2815 | return -ENOMEM; | |
2816 | ||
2817 | /* Get block zones type */ | |
2818 | while (zones && sector < nr_sectors) { | |
2819 | ||
2820 | nr_zones = F2FS_REPORT_NR_ZONES; | |
bd976e52 | 2821 | err = blkdev_report_zones(bdev, sector, zones, &nr_zones); |
178053e2 DLM |
2822 | if (err) |
2823 | break; | |
2824 | if (!nr_zones) { | |
2825 | err = -EIO; | |
2826 | break; | |
2827 | } | |
2828 | ||
2829 | for (i = 0; i < nr_zones; i++) { | |
95175daf DLM |
2830 | if (zones[i].type != BLK_ZONE_TYPE_CONVENTIONAL) |
2831 | set_bit(n, FDEV(devi).blkz_seq); | |
178053e2 DLM |
2832 | sector += zones[i].len; |
2833 | n++; | |
2834 | } | |
2835 | } | |
2836 | ||
5222595d | 2837 | kvfree(zones); |
178053e2 DLM |
2838 | |
2839 | return err; | |
2840 | } | |
2841 | #endif | |
2842 | ||
9076a75f GZ |
2843 | /* |
2844 | * Read f2fs raw super block. | |
2b39e907 SL |
2845 | * Because we have two copies of super block, so read both of them |
2846 | * to get the first valid one. If any one of them is broken, we pass | |
2847 | * them recovery flag back to the caller. | |
9076a75f | 2848 | */ |
df728b0f | 2849 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 2850 | struct f2fs_super_block **raw_super, |
e8240f65 | 2851 | int *valid_super_block, int *recovery) |
14d7e9de | 2852 | { |
df728b0f | 2853 | struct super_block *sb = sbi->sb; |
2b39e907 | 2854 | int block; |
e8240f65 | 2855 | struct buffer_head *bh; |
fd694733 | 2856 | struct f2fs_super_block *super; |
da554e48 | 2857 | int err = 0; |
14d7e9de | 2858 | |
b39f0de2 YH |
2859 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
2860 | if (!super) | |
2861 | return -ENOMEM; | |
2b39e907 SL |
2862 | |
2863 | for (block = 0; block < 2; block++) { | |
2864 | bh = sb_bread(sb, block); | |
2865 | if (!bh) { | |
dcbb4c10 JP |
2866 | f2fs_err(sbi, "Unable to read %dth superblock", |
2867 | block + 1); | |
2b39e907 SL |
2868 | err = -EIO; |
2869 | continue; | |
2870 | } | |
14d7e9de | 2871 | |
2b39e907 | 2872 | /* sanity checking of raw super */ |
38fb6d0e IZ |
2873 | err = sanity_check_raw_super(sbi, bh); |
2874 | if (err) { | |
dcbb4c10 JP |
2875 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
2876 | block + 1); | |
2b39e907 SL |
2877 | brelse(bh); |
2878 | continue; | |
2879 | } | |
14d7e9de | 2880 | |
2b39e907 | 2881 | if (!*raw_super) { |
fd694733 JK |
2882 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
2883 | sizeof(*super)); | |
2b39e907 SL |
2884 | *valid_super_block = block; |
2885 | *raw_super = super; | |
2886 | } | |
2887 | brelse(bh); | |
da554e48 | 2888 | } |
2889 | ||
2b39e907 SL |
2890 | /* Fail to read any one of the superblocks*/ |
2891 | if (err < 0) | |
2892 | *recovery = 1; | |
da554e48 | 2893 | |
da554e48 | 2894 | /* No valid superblock */ |
2b39e907 | 2895 | if (!*raw_super) |
5222595d | 2896 | kvfree(super); |
2b39e907 SL |
2897 | else |
2898 | err = 0; | |
da554e48 | 2899 | |
2b39e907 | 2900 | return err; |
14d7e9de | 2901 | } |
2902 | ||
fd694733 | 2903 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 2904 | { |
5d909cdb | 2905 | struct buffer_head *bh; |
d440c52d | 2906 | __u32 crc = 0; |
26d815ad JK |
2907 | int err; |
2908 | ||
df728b0f JK |
2909 | if ((recover && f2fs_readonly(sbi->sb)) || |
2910 | bdev_read_only(sbi->sb->s_bdev)) { | |
2911 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 2912 | return -EROFS; |
df728b0f | 2913 | } |
f2353d7b | 2914 | |
d440c52d | 2915 | /* we should update superblock crc here */ |
7beb01f7 | 2916 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
2917 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
2918 | offsetof(struct f2fs_super_block, crc)); | |
2919 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
2920 | } | |
2921 | ||
fd694733 | 2922 | /* write back-up superblock first */ |
0964fc1a | 2923 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
2924 | if (!bh) |
2925 | return -EIO; | |
fd694733 | 2926 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 2927 | brelse(bh); |
c5bda1c8 CY |
2928 | |
2929 | /* if we are in recovery path, skip writing valid superblock */ | |
2930 | if (recover || err) | |
5d909cdb | 2931 | return err; |
26d815ad JK |
2932 | |
2933 | /* write current valid superblock */ | |
0964fc1a | 2934 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
2935 | if (!bh) |
2936 | return -EIO; | |
2937 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
2938 | brelse(bh); | |
2939 | return err; | |
26d815ad JK |
2940 | } |
2941 | ||
3c62be17 JK |
2942 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
2943 | { | |
2944 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 2945 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
2946 | int i; |
2947 | ||
7bb3a371 MS |
2948 | /* Initialize single device information */ |
2949 | if (!RDEV(0).path[0]) { | |
2950 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 2951 | return 0; |
7bb3a371 MS |
2952 | max_devices = 1; |
2953 | } | |
3c62be17 | 2954 | |
7bb3a371 MS |
2955 | /* |
2956 | * Initialize multiple devices information, or single | |
2957 | * zoned block device information. | |
2958 | */ | |
026f0507 KC |
2959 | sbi->devs = f2fs_kzalloc(sbi, |
2960 | array_size(max_devices, | |
2961 | sizeof(struct f2fs_dev_info)), | |
2962 | GFP_KERNEL); | |
7bb3a371 MS |
2963 | if (!sbi->devs) |
2964 | return -ENOMEM; | |
3c62be17 | 2965 | |
7bb3a371 | 2966 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 2967 | |
7bb3a371 MS |
2968 | if (i > 0 && !RDEV(i).path[0]) |
2969 | break; | |
2970 | ||
2971 | if (max_devices == 1) { | |
2972 | /* Single zoned block device mount */ | |
2973 | FDEV(0).bdev = | |
2974 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 2975 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
2976 | } else { |
2977 | /* Multi-device mount */ | |
2978 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
2979 | FDEV(i).total_segments = | |
2980 | le32_to_cpu(RDEV(i).total_segments); | |
2981 | if (i == 0) { | |
2982 | FDEV(i).start_blk = 0; | |
2983 | FDEV(i).end_blk = FDEV(i).start_blk + | |
2984 | (FDEV(i).total_segments << | |
2985 | sbi->log_blocks_per_seg) - 1 + | |
2986 | le32_to_cpu(raw_super->segment0_blkaddr); | |
2987 | } else { | |
2988 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
2989 | FDEV(i).end_blk = FDEV(i).start_blk + | |
2990 | (FDEV(i).total_segments << | |
2991 | sbi->log_blocks_per_seg) - 1; | |
2992 | } | |
2993 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 2994 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 2995 | } |
3c62be17 JK |
2996 | if (IS_ERR(FDEV(i).bdev)) |
2997 | return PTR_ERR(FDEV(i).bdev); | |
2998 | ||
2999 | /* to release errored devices */ | |
3000 | sbi->s_ndevs = i + 1; | |
3001 | ||
3002 | #ifdef CONFIG_BLK_DEV_ZONED | |
3003 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3004 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3005 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3006 | return -EINVAL; |
3007 | } | |
3008 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3009 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3010 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3011 | return -EINVAL; |
3012 | } | |
7bb3a371 MS |
3013 | if (max_devices == 1) |
3014 | break; | |
dcbb4c10 JP |
3015 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3016 | i, FDEV(i).path, | |
3017 | FDEV(i).total_segments, | |
3018 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3019 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3020 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3021 | continue; |
3022 | } | |
3023 | #endif | |
dcbb4c10 JP |
3024 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3025 | i, FDEV(i).path, | |
3026 | FDEV(i).total_segments, | |
3027 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3028 | } | |
3029 | f2fs_info(sbi, | |
3030 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3031 | return 0; |
3032 | } | |
3033 | ||
84b89e5d JK |
3034 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3035 | { | |
3036 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3037 | ||
3038 | /* adjust parameters according to the volume size */ | |
3039 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3040 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3041 | sm_i->dcc_info->discard_granularity = 1; |
3042 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3043 | } | |
4cac90d5 CY |
3044 | |
3045 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3046 | } |
3047 | ||
aff063e2 JK |
3048 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3049 | { | |
3050 | struct f2fs_sb_info *sbi; | |
da554e48 | 3051 | struct f2fs_super_block *raw_super; |
aff063e2 | 3052 | struct inode *root; |
99e3e858 | 3053 | int err; |
aa2c8c43 | 3054 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3055 | char *options = NULL; |
e8240f65 | 3056 | int recovery, i, valid_super_block; |
8f1dbbbb | 3057 | struct curseg_info *seg_i; |
aa2c8c43 | 3058 | int retry_cnt = 1; |
aff063e2 | 3059 | |
ed2e621a | 3060 | try_onemore: |
da554e48 | 3061 | err = -EINVAL; |
3062 | raw_super = NULL; | |
e8240f65 | 3063 | valid_super_block = -1; |
da554e48 | 3064 | recovery = 0; |
3065 | ||
aff063e2 JK |
3066 | /* allocate memory for f2fs-specific super block info */ |
3067 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3068 | if (!sbi) | |
3069 | return -ENOMEM; | |
3070 | ||
df728b0f JK |
3071 | sbi->sb = sb; |
3072 | ||
43b6573b KM |
3073 | /* Load the checksum driver */ |
3074 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3075 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3076 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3077 | err = PTR_ERR(sbi->s_chksum_driver); |
3078 | sbi->s_chksum_driver = NULL; | |
3079 | goto free_sbi; | |
3080 | } | |
3081 | ||
ff9234ad | 3082 | /* set a block size */ |
6bacf52f | 3083 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3084 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3085 | goto free_sbi; |
a07ef784 | 3086 | } |
aff063e2 | 3087 | |
df728b0f | 3088 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3089 | &recovery); |
9076a75f GZ |
3090 | if (err) |
3091 | goto free_sbi; | |
3092 | ||
5fb08372 | 3093 | sb->s_fs_info = sbi; |
52763a4b JK |
3094 | sbi->raw_super = raw_super; |
3095 | ||
704956ec | 3096 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3097 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3098 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3099 | sizeof(raw_super->uuid)); | |
3100 | ||
d1b959c8 DLM |
3101 | /* |
3102 | * The BLKZONED feature indicates that the drive was formatted with | |
3103 | * zone alignment optimization. This is optional for host-aware | |
3104 | * devices, but mandatory for host-managed zoned block devices. | |
3105 | */ | |
3106 | #ifndef CONFIG_BLK_DEV_ZONED | |
7beb01f7 | 3107 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3108 | f2fs_err(sbi, "Zoned block device support is not enabled"); |
1727f317 | 3109 | err = -EOPNOTSUPP; |
d1b959c8 DLM |
3110 | goto free_sb_buf; |
3111 | } | |
d1b959c8 | 3112 | #endif |
498c5e9f | 3113 | default_options(sbi); |
aff063e2 | 3114 | /* parse mount options */ |
dabc4a5c JK |
3115 | options = kstrdup((const char *)data, GFP_KERNEL); |
3116 | if (data && !options) { | |
3117 | err = -ENOMEM; | |
aff063e2 | 3118 | goto free_sb_buf; |
dabc4a5c JK |
3119 | } |
3120 | ||
3121 | err = parse_options(sb, options); | |
3122 | if (err) | |
3123 | goto free_options; | |
aff063e2 | 3124 | |
e0afc4d6 CY |
3125 | sbi->max_file_blocks = max_file_blocks(); |
3126 | sb->s_maxbytes = sbi->max_file_blocks << | |
3127 | le32_to_cpu(raw_super->log_blocksize); | |
aff063e2 | 3128 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3129 | |
0abd675e CY |
3130 | #ifdef CONFIG_QUOTA |
3131 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3132 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3133 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3134 | |
7beb01f7 | 3135 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3136 | for (i = 0; i < MAXQUOTAS; i++) { |
3137 | if (f2fs_qf_ino(sbi->sb, i)) | |
3138 | sbi->nquota_files++; | |
3139 | } | |
3140 | } | |
0abd675e CY |
3141 | #endif |
3142 | ||
aff063e2 | 3143 | sb->s_op = &f2fs_sops; |
643fa961 | 3144 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3145 | sb->s_cop = &f2fs_cryptops; |
ffcc4182 | 3146 | #endif |
aff063e2 JK |
3147 | sb->s_xattr = f2fs_xattr_handlers; |
3148 | sb->s_export_op = &f2fs_export_ops; | |
3149 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3150 | sb->s_time_gran = 1; |
1751e8a6 LT |
3151 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3152 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3153 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3154 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3155 | |
3156 | /* init f2fs-specific super block info */ | |
e8240f65 | 3157 | sbi->valid_super_block = valid_super_block; |
aff063e2 | 3158 | mutex_init(&sbi->gc_mutex); |
853137ce | 3159 | mutex_init(&sbi->writepages); |
aff063e2 | 3160 | mutex_init(&sbi->cp_mutex); |
04f0b2ea | 3161 | mutex_init(&sbi->resize_mutex); |
b3582c68 | 3162 | init_rwsem(&sbi->node_write); |
59c9081b | 3163 | init_rwsem(&sbi->node_change); |
315df839 JK |
3164 | |
3165 | /* disallow all the data/node/meta page writes */ | |
3166 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3167 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3168 | |
b0af6d49 CY |
3169 | /* init iostat info */ |
3170 | spin_lock_init(&sbi->iostat_lock); | |
3171 | sbi->iostat_enable = false; | |
3172 | ||
458e6197 | 3173 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
a912b54d JK |
3174 | int n = (i == META) ? 1: NR_TEMP_TYPE; |
3175 | int j; | |
3176 | ||
c8606593 KC |
3177 | sbi->write_io[i] = |
3178 | f2fs_kmalloc(sbi, | |
3179 | array_size(n, | |
3180 | sizeof(struct f2fs_bio_info)), | |
3181 | GFP_KERNEL); | |
b63def91 CJ |
3182 | if (!sbi->write_io[i]) { |
3183 | err = -ENOMEM; | |
0b2103e8 | 3184 | goto free_bio_info; |
b63def91 | 3185 | } |
a912b54d JK |
3186 | |
3187 | for (j = HOT; j < n; j++) { | |
3188 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3189 | sbi->write_io[i][j].sbi = sbi; | |
3190 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3191 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3192 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
a912b54d | 3193 | } |
458e6197 | 3194 | } |
971767ca | 3195 | |
b873b798 | 3196 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3197 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3198 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3199 | init_sb_info(sbi); |
3200 | ||
523be8a6 JK |
3201 | err = init_percpu_info(sbi); |
3202 | if (err) | |
d7997e63 | 3203 | goto free_bio_info; |
523be8a6 | 3204 | |
c72db71e | 3205 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3206 | sbi->write_io_dummy = |
a3ebfe4f | 3207 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3208 | if (!sbi->write_io_dummy) { |
3209 | err = -ENOMEM; | |
d7997e63 | 3210 | goto free_percpu; |
1727f317 | 3211 | } |
0a595eba JK |
3212 | } |
3213 | ||
aff063e2 JK |
3214 | /* get an inode for meta space */ |
3215 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3216 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3217 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3218 | err = PTR_ERR(sbi->meta_inode); |
0a595eba | 3219 | goto free_io_dummy; |
aff063e2 JK |
3220 | } |
3221 | ||
4d57b86d | 3222 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3223 | if (err) { |
dcbb4c10 | 3224 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3225 | goto free_meta_inode; |
a07ef784 | 3226 | } |
aff063e2 | 3227 | |
af033b2a CY |
3228 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3229 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3230 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3231 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3232 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3233 | } | |
af033b2a | 3234 | |
04f0b2ea QS |
3235 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3236 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3237 | ||
3c62be17 JK |
3238 | /* Initialize device list */ |
3239 | err = f2fs_scan_devices(sbi); | |
3240 | if (err) { | |
dcbb4c10 | 3241 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3242 | goto free_devices; |
3243 | } | |
3244 | ||
aff063e2 JK |
3245 | sbi->total_valid_node_count = |
3246 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3247 | percpu_counter_set(&sbi->total_valid_inode_count, |
3248 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3249 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3250 | sbi->total_valid_block_count = | |
3251 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3252 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3253 | sbi->reserved_blocks = 0; |
80d42145 | 3254 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3255 | limit_reserve_root(sbi); |
41382ec4 | 3256 | |
c227f912 CY |
3257 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3258 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3259 | spin_lock_init(&sbi->inode_lock[i]); | |
3260 | } | |
040d2bb3 | 3261 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3262 | |
4d57b86d | 3263 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3264 | |
4d57b86d | 3265 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3266 | |
50fa53ec CY |
3267 | f2fs_init_fsync_node_info(sbi); |
3268 | ||
aff063e2 | 3269 | /* setup f2fs internal modules */ |
4d57b86d | 3270 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3271 | if (err) { |
dcbb4c10 JP |
3272 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3273 | err); | |
aff063e2 | 3274 | goto free_sm; |
a07ef784 | 3275 | } |
4d57b86d | 3276 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3277 | if (err) { |
dcbb4c10 JP |
3278 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3279 | err); | |
aff063e2 | 3280 | goto free_nm; |
a07ef784 | 3281 | } |
aff063e2 | 3282 | |
8f1dbbbb SL |
3283 | /* For write statistics */ |
3284 | if (sb->s_bdev->bd_part) | |
3285 | sbi->sectors_written_start = | |
dbae2c55 MC |
3286 | (u64)part_stat_read(sb->s_bdev->bd_part, |
3287 | sectors[STAT_WRITE]); | |
8f1dbbbb SL |
3288 | |
3289 | /* Read accumulated write IO statistics if exists */ | |
3290 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3291 | if (__exist_node_summaries(sbi)) | |
3292 | sbi->kbytes_written = | |
b2dde6fc | 3293 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3294 | |
4d57b86d | 3295 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3296 | |
60aa4d55 ST |
3297 | err = f2fs_build_stats(sbi); |
3298 | if (err) | |
3299 | goto free_nm; | |
3300 | ||
aff063e2 JK |
3301 | /* get an inode for node space */ |
3302 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3303 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3304 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3305 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3306 | goto free_stats; |
aff063e2 JK |
3307 | } |
3308 | ||
aff063e2 JK |
3309 | /* read root inode and dentry */ |
3310 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3311 | if (IS_ERR(root)) { | |
dcbb4c10 | 3312 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3313 | err = PTR_ERR(root); |
60aa4d55 | 3314 | goto free_node_inode; |
aff063e2 | 3315 | } |
bcbfbd60 CY |
3316 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3317 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3318 | iput(root); |
8f99a946 | 3319 | err = -EINVAL; |
60aa4d55 | 3320 | goto free_node_inode; |
8f99a946 | 3321 | } |
aff063e2 JK |
3322 | |
3323 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3324 | if (!sb->s_root) { | |
3325 | err = -ENOMEM; | |
025cdb16 | 3326 | goto free_node_inode; |
aff063e2 JK |
3327 | } |
3328 | ||
dc6b2055 | 3329 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3330 | if (err) |
a398101a | 3331 | goto free_root_inode; |
b59d0bae | 3332 | |
ea676733 | 3333 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3334 | /* Enable quota usage during mount */ |
7beb01f7 | 3335 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3336 | err = f2fs_enable_quotas(sb); |
730746ce | 3337 | if (err) |
dcbb4c10 | 3338 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3339 | } |
3340 | #endif | |
4b2414d0 | 3341 | /* if there are nt orphan nodes free them */ |
4d57b86d | 3342 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3343 | if (err) |
ea676733 | 3344 | goto free_meta; |
4b2414d0 | 3345 | |
4354994f | 3346 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3347 | goto reset_checkpoint; |
4354994f | 3348 | |
6437d1b0 JK |
3349 | /* recover fsynced data */ |
3350 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) { | |
081d78c2 JK |
3351 | /* |
3352 | * mount should be failed, when device has readonly mode, and | |
3353 | * previous checkpoint was not done by clean system shutdown. | |
3354 | */ | |
b61af314 CY |
3355 | if (f2fs_hw_is_readonly(sbi)) { |
3356 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3357 | err = -EROFS; | |
dcbb4c10 | 3358 | f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); |
b61af314 CY |
3359 | goto free_meta; |
3360 | } | |
dcbb4c10 | 3361 | f2fs_info(sbi, "write access unavailable, skipping recovery"); |
b61af314 | 3362 | goto reset_checkpoint; |
081d78c2 | 3363 | } |
2adc3505 CY |
3364 | |
3365 | if (need_fsck) | |
3366 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3367 | ||
aa2c8c43 CY |
3368 | if (skip_recovery) |
3369 | goto reset_checkpoint; | |
a468f0ef | 3370 | |
4d57b86d | 3371 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3372 | if (err < 0) { |
aa2c8c43 CY |
3373 | if (err != -ENOMEM) |
3374 | skip_recovery = true; | |
2adc3505 | 3375 | need_fsck = true; |
dcbb4c10 JP |
3376 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3377 | err); | |
4b2414d0 | 3378 | goto free_meta; |
ed2e621a | 3379 | } |
6781eabb | 3380 | } else { |
4d57b86d | 3381 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
3382 | |
3383 | if (!f2fs_readonly(sb) && err > 0) { | |
3384 | err = -EINVAL; | |
dcbb4c10 | 3385 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 3386 | goto free_meta; |
6781eabb | 3387 | } |
6437d1b0 | 3388 | } |
aa2c8c43 | 3389 | reset_checkpoint: |
4d57b86d | 3390 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 3391 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 3392 | |
4354994f DR |
3393 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
3394 | err = f2fs_disable_checkpoint(sbi); | |
3395 | if (err) | |
812a9597 | 3396 | goto sync_free_meta; |
4354994f DR |
3397 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
3398 | f2fs_enable_checkpoint(sbi); | |
3399 | } | |
3400 | ||
6437d1b0 JK |
3401 | /* |
3402 | * If filesystem is not mounted as read-only then | |
3403 | * do start the gc_thread. | |
3404 | */ | |
6c029932 | 3405 | if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) { |
6437d1b0 | 3406 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 3407 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 3408 | if (err) |
812a9597 | 3409 | goto sync_free_meta; |
6437d1b0 | 3410 | } |
5222595d | 3411 | kvfree(options); |
da554e48 | 3412 | |
3413 | /* recover broken superblock */ | |
f2353d7b | 3414 | if (recovery) { |
41214b3c | 3415 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
3416 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
3417 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 3418 | } |
3419 | ||
bae01eda CY |
3420 | f2fs_join_shrinker(sbi); |
3421 | ||
84b89e5d JK |
3422 | f2fs_tuning_parameters(sbi); |
3423 | ||
dcbb4c10 JP |
3424 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
3425 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 3426 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 3427 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 3428 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 3429 | return 0; |
6437d1b0 | 3430 | |
812a9597 JK |
3431 | sync_free_meta: |
3432 | /* safe to flush all the data */ | |
3433 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 3434 | retry_cnt = 0; |
812a9597 | 3435 | |
4b2414d0 | 3436 | free_meta: |
ea676733 | 3437 | #ifdef CONFIG_QUOTA |
26b5a079 | 3438 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 3439 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
3440 | f2fs_quota_off_umount(sbi->sb); |
3441 | #endif | |
4b2414d0 | 3442 | /* |
4d57b86d | 3443 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 3444 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
3445 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
3446 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
3447 | */ |
3448 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
3449 | /* evict some inodes being cached by GC */ |
3450 | evict_inodes(sb); | |
dc6b2055 | 3451 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
3452 | free_root_inode: |
3453 | dput(sb->s_root); | |
3454 | sb->s_root = NULL; | |
3455 | free_node_inode: | |
4d57b86d | 3456 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 3457 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 3458 | iput(sbi->node_inode); |
7c77bf7d | 3459 | sbi->node_inode = NULL; |
60aa4d55 ST |
3460 | free_stats: |
3461 | f2fs_destroy_stats(sbi); | |
aff063e2 | 3462 | free_nm: |
4d57b86d | 3463 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 3464 | free_sm: |
4d57b86d | 3465 | f2fs_destroy_segment_manager(sbi); |
3c62be17 JK |
3466 | free_devices: |
3467 | destroy_device_list(sbi); | |
5222595d | 3468 | kvfree(sbi->ckpt); |
aff063e2 JK |
3469 | free_meta_inode: |
3470 | make_bad_inode(sbi->meta_inode); | |
3471 | iput(sbi->meta_inode); | |
7c77bf7d | 3472 | sbi->meta_inode = NULL; |
0a595eba JK |
3473 | free_io_dummy: |
3474 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
3475 | free_percpu: |
3476 | destroy_percpu_info(sbi); | |
3477 | free_bio_info: | |
a912b54d | 3478 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 3479 | kvfree(sbi->write_io[i]); |
d7997e63 | 3480 | free_options: |
4b2414d0 CY |
3481 | #ifdef CONFIG_QUOTA |
3482 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 3483 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 3484 | #endif |
5222595d | 3485 | kvfree(options); |
aff063e2 | 3486 | free_sb_buf: |
5222595d | 3487 | kvfree(raw_super); |
aff063e2 | 3488 | free_sbi: |
43b6573b KM |
3489 | if (sbi->s_chksum_driver) |
3490 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 3491 | kvfree(sbi); |
ed2e621a JK |
3492 | |
3493 | /* give only one another chance */ | |
aa2c8c43 CY |
3494 | if (retry_cnt > 0 && skip_recovery) { |
3495 | retry_cnt--; | |
ed2e621a JK |
3496 | shrink_dcache_sb(sb); |
3497 | goto try_onemore; | |
3498 | } | |
aff063e2 JK |
3499 | return err; |
3500 | } | |
3501 | ||
3502 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
3503 | const char *dev_name, void *data) | |
3504 | { | |
3505 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
3506 | } | |
3507 | ||
30a5537f JK |
3508 | static void kill_f2fs_super(struct super_block *sb) |
3509 | { | |
cce13252 | 3510 | if (sb->s_root) { |
1cb50f87 JK |
3511 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
3512 | ||
3513 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
3514 | f2fs_stop_gc_thread(sbi); | |
3515 | f2fs_stop_discard_thread(sbi); | |
3516 | ||
3517 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
3518 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3519 | struct cp_control cpc = { | |
3520 | .reason = CP_UMOUNT, | |
3521 | }; | |
3522 | f2fs_write_checkpoint(sbi, &cpc); | |
3523 | } | |
1378752b CY |
3524 | |
3525 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
3526 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 3527 | } |
30a5537f JK |
3528 | kill_block_super(sb); |
3529 | } | |
3530 | ||
aff063e2 JK |
3531 | static struct file_system_type f2fs_fs_type = { |
3532 | .owner = THIS_MODULE, | |
3533 | .name = "f2fs", | |
3534 | .mount = f2fs_mount, | |
30a5537f | 3535 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
3536 | .fs_flags = FS_REQUIRES_DEV, |
3537 | }; | |
7f78e035 | 3538 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 3539 | |
6e6093a8 | 3540 | static int __init init_inodecache(void) |
aff063e2 | 3541 | { |
5d097056 VD |
3542 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
3543 | sizeof(struct f2fs_inode_info), 0, | |
3544 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 3545 | if (!f2fs_inode_cachep) |
aff063e2 JK |
3546 | return -ENOMEM; |
3547 | return 0; | |
3548 | } | |
3549 | ||
3550 | static void destroy_inodecache(void) | |
3551 | { | |
3552 | /* | |
3553 | * Make sure all delayed rcu free inodes are flushed before we | |
3554 | * destroy cache. | |
3555 | */ | |
3556 | rcu_barrier(); | |
3557 | kmem_cache_destroy(f2fs_inode_cachep); | |
3558 | } | |
3559 | ||
3560 | static int __init init_f2fs_fs(void) | |
3561 | { | |
3562 | int err; | |
3563 | ||
4071e67c AP |
3564 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
3565 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
3566 | PAGE_SIZE, F2FS_BLKSIZE); | |
3567 | return -EINVAL; | |
3568 | } | |
3569 | ||
c0508650 JK |
3570 | f2fs_build_trace_ios(); |
3571 | ||
aff063e2 JK |
3572 | err = init_inodecache(); |
3573 | if (err) | |
3574 | goto fail; | |
4d57b86d | 3575 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 3576 | if (err) |
9890ff3f | 3577 | goto free_inodecache; |
4d57b86d | 3578 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 3579 | if (err) |
9890ff3f | 3580 | goto free_node_manager_caches; |
4d57b86d | 3581 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 3582 | if (err) |
06292073 | 3583 | goto free_segment_manager_caches; |
4d57b86d | 3584 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
3585 | if (err) |
3586 | goto free_checkpoint_caches; | |
dc6b2055 | 3587 | err = f2fs_init_sysfs(); |
a398101a | 3588 | if (err) |
1dcc336b | 3589 | goto free_extent_cache; |
2658e50d | 3590 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 3591 | if (err) |
a398101a | 3592 | goto free_sysfs; |
2658e50d JK |
3593 | err = register_filesystem(&f2fs_fs_type); |
3594 | if (err) | |
3595 | goto free_shrinker; | |
21acc07d | 3596 | f2fs_create_root_stats(); |
6dbb1796 EB |
3597 | err = f2fs_init_post_read_processing(); |
3598 | if (err) | |
3599 | goto free_root_stats; | |
9890ff3f ZH |
3600 | return 0; |
3601 | ||
6dbb1796 EB |
3602 | free_root_stats: |
3603 | f2fs_destroy_root_stats(); | |
787c7b8c | 3604 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
3605 | free_shrinker: |
3606 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 3607 | free_sysfs: |
dc6b2055 | 3608 | f2fs_exit_sysfs(); |
1dcc336b | 3609 | free_extent_cache: |
4d57b86d | 3610 | f2fs_destroy_extent_cache(); |
9890ff3f | 3611 | free_checkpoint_caches: |
4d57b86d | 3612 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 3613 | free_segment_manager_caches: |
4d57b86d | 3614 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 3615 | free_node_manager_caches: |
4d57b86d | 3616 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
3617 | free_inodecache: |
3618 | destroy_inodecache(); | |
aff063e2 JK |
3619 | fail: |
3620 | return err; | |
3621 | } | |
3622 | ||
3623 | static void __exit exit_f2fs_fs(void) | |
3624 | { | |
6dbb1796 | 3625 | f2fs_destroy_post_read_processing(); |
4589d25d | 3626 | f2fs_destroy_root_stats(); |
aff063e2 | 3627 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 3628 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 3629 | f2fs_exit_sysfs(); |
4d57b86d CY |
3630 | f2fs_destroy_extent_cache(); |
3631 | f2fs_destroy_checkpoint_caches(); | |
3632 | f2fs_destroy_segment_manager_caches(); | |
3633 | f2fs_destroy_node_manager_caches(); | |
aff063e2 | 3634 | destroy_inodecache(); |
351f4fba | 3635 | f2fs_destroy_trace_ios(); |
aff063e2 JK |
3636 | } |
3637 | ||
3638 | module_init(init_f2fs_fs) | |
3639 | module_exit(exit_f2fs_fs) | |
3640 | ||
3641 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
3642 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
3643 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 3644 |