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7c1a000d | 1 | // SPDX-License-Identifier: GPL-2.0 |
0a8165d7 | 2 | /* |
aff063e2 JK |
3 | * fs/f2fs/super.c |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
aff063e2 JK |
7 | */ |
8 | #include <linux/module.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/fs.h> | |
11 | #include <linux/statfs.h> | |
aff063e2 JK |
12 | #include <linux/buffer_head.h> |
13 | #include <linux/backing-dev.h> | |
14 | #include <linux/kthread.h> | |
15 | #include <linux/parser.h> | |
16 | #include <linux/mount.h> | |
17 | #include <linux/seq_file.h> | |
5e176d54 | 18 | #include <linux/proc_fs.h> |
aff063e2 JK |
19 | #include <linux/random.h> |
20 | #include <linux/exportfs.h> | |
d3ee456d | 21 | #include <linux/blkdev.h> |
0abd675e | 22 | #include <linux/quotaops.h> |
aff063e2 | 23 | #include <linux/f2fs_fs.h> |
b59d0bae | 24 | #include <linux/sysfs.h> |
4b2414d0 | 25 | #include <linux/quota.h> |
5aba5430 | 26 | #include <linux/unicode.h> |
c6a564ff | 27 | #include <linux/part_stat.h> |
aff063e2 JK |
28 | |
29 | #include "f2fs.h" | |
30 | #include "node.h" | |
5ec4e49f | 31 | #include "segment.h" |
aff063e2 | 32 | #include "xattr.h" |
b59d0bae | 33 | #include "gc.h" |
db9f7c1a | 34 | #include "trace.h" |
aff063e2 | 35 | |
a2a4a7e4 NJ |
36 | #define CREATE_TRACE_POINTS |
37 | #include <trace/events/f2fs.h> | |
38 | ||
aff063e2 JK |
39 | static struct kmem_cache *f2fs_inode_cachep; |
40 | ||
73faec4d | 41 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 42 | |
19880e6e | 43 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 44 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 45 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 46 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 47 | [FAULT_PAGE_GET] = "page get", |
d62fe971 | 48 | [FAULT_ALLOC_BIO] = "alloc bio", |
cb78942b JK |
49 | [FAULT_ALLOC_NID] = "alloc nid", |
50 | [FAULT_ORPHAN] = "orphan", | |
51 | [FAULT_BLOCK] = "no more block", | |
52 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 53 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 54 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 55 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 56 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 57 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 58 | [FAULT_WRITE_IO] = "write IO error", |
2c63fead | 59 | }; |
08796897 | 60 | |
d494500a CY |
61 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
62 | unsigned int type) | |
08796897 | 63 | { |
63189b78 | 64 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 65 | |
08796897 | 66 | if (rate) { |
1ecc0c5c CY |
67 | atomic_set(&ffi->inject_ops, 0); |
68 | ffi->inject_rate = rate; | |
08796897 | 69 | } |
d494500a CY |
70 | |
71 | if (type) | |
72 | ffi->inject_type = type; | |
73 | ||
74 | if (!rate && !type) | |
75 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 76 | } |
73faec4d JK |
77 | #endif |
78 | ||
2658e50d JK |
79 | /* f2fs-wide shrinker description */ |
80 | static struct shrinker f2fs_shrinker_info = { | |
81 | .scan_objects = f2fs_shrink_scan, | |
82 | .count_objects = f2fs_shrink_count, | |
83 | .seeks = DEFAULT_SEEKS, | |
84 | }; | |
85 | ||
aff063e2 | 86 | enum { |
696c018c | 87 | Opt_gc_background, |
aff063e2 | 88 | Opt_disable_roll_forward, |
2d834bf9 | 89 | Opt_norecovery, |
aff063e2 | 90 | Opt_discard, |
64058be9 | 91 | Opt_nodiscard, |
aff063e2 | 92 | Opt_noheap, |
7a20b8a6 | 93 | Opt_heap, |
4058c511 | 94 | Opt_user_xattr, |
aff063e2 | 95 | Opt_nouser_xattr, |
4058c511 | 96 | Opt_acl, |
aff063e2 JK |
97 | Opt_noacl, |
98 | Opt_active_logs, | |
99 | Opt_disable_ext_identify, | |
444c580f | 100 | Opt_inline_xattr, |
23cf7212 | 101 | Opt_noinline_xattr, |
6afc662e | 102 | Opt_inline_xattr_size, |
8274de77 | 103 | Opt_inline_data, |
5efd3c6f | 104 | Opt_inline_dentry, |
97c1794a | 105 | Opt_noinline_dentry, |
6b4afdd7 | 106 | Opt_flush_merge, |
69e9e427 | 107 | Opt_noflush_merge, |
0f7b2abd | 108 | Opt_nobarrier, |
d5053a34 | 109 | Opt_fastboot, |
89672159 | 110 | Opt_extent_cache, |
7daaea25 | 111 | Opt_noextent_cache, |
75342797 | 112 | Opt_noinline_data, |
343f40f0 | 113 | Opt_data_flush, |
7e65be49 | 114 | Opt_reserve_root, |
7c2e5963 JK |
115 | Opt_resgid, |
116 | Opt_resuid, | |
36abef4e | 117 | Opt_mode, |
ec91538d | 118 | Opt_io_size_bits, |
73faec4d | 119 | Opt_fault_injection, |
d494500a | 120 | Opt_fault_type, |
6d94c74a JK |
121 | Opt_lazytime, |
122 | Opt_nolazytime, | |
4b2414d0 CY |
123 | Opt_quota, |
124 | Opt_noquota, | |
0abd675e CY |
125 | Opt_usrquota, |
126 | Opt_grpquota, | |
5c57132e | 127 | Opt_prjquota, |
4b2414d0 CY |
128 | Opt_usrjquota, |
129 | Opt_grpjquota, | |
130 | Opt_prjjquota, | |
131 | Opt_offusrjquota, | |
132 | Opt_offgrpjquota, | |
133 | Opt_offprjjquota, | |
134 | Opt_jqfmt_vfsold, | |
135 | Opt_jqfmt_vfsv0, | |
136 | Opt_jqfmt_vfsv1, | |
0cdd3195 | 137 | Opt_whint, |
07939627 | 138 | Opt_alloc, |
93cf93f1 | 139 | Opt_fsync, |
ff62af20 | 140 | Opt_test_dummy_encryption, |
4d3aed70 DR |
141 | Opt_checkpoint_disable, |
142 | Opt_checkpoint_disable_cap, | |
143 | Opt_checkpoint_disable_cap_perc, | |
144 | Opt_checkpoint_enable, | |
4c8ff709 CY |
145 | Opt_compress_algorithm, |
146 | Opt_compress_log_size, | |
147 | Opt_compress_extension, | |
aff063e2 JK |
148 | Opt_err, |
149 | }; | |
150 | ||
151 | static match_table_t f2fs_tokens = { | |
696c018c | 152 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 153 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 154 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 155 | {Opt_discard, "discard"}, |
64058be9 | 156 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 157 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 158 | {Opt_heap, "heap"}, |
4058c511 | 159 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 160 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 161 | {Opt_acl, "acl"}, |
aff063e2 JK |
162 | {Opt_noacl, "noacl"}, |
163 | {Opt_active_logs, "active_logs=%u"}, | |
164 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 165 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 166 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 167 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 168 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 169 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 170 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 171 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 172 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 173 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 174 | {Opt_fastboot, "fastboot"}, |
89672159 | 175 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 176 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 177 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 178 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 179 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
180 | {Opt_resgid, "resgid=%u"}, |
181 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 182 | {Opt_mode, "mode=%s"}, |
ec91538d | 183 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 184 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 185 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
186 | {Opt_lazytime, "lazytime"}, |
187 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
188 | {Opt_quota, "quota"}, |
189 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
190 | {Opt_usrquota, "usrquota"}, |
191 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 192 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
193 | {Opt_usrjquota, "usrjquota=%s"}, |
194 | {Opt_grpjquota, "grpjquota=%s"}, | |
195 | {Opt_prjjquota, "prjjquota=%s"}, | |
196 | {Opt_offusrjquota, "usrjquota="}, | |
197 | {Opt_offgrpjquota, "grpjquota="}, | |
198 | {Opt_offprjjquota, "prjjquota="}, | |
199 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
200 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
201 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
0cdd3195 | 202 | {Opt_whint, "whint_mode=%s"}, |
07939627 | 203 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 204 | {Opt_fsync, "fsync_mode=%s"}, |
ff62af20 | 205 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
4d3aed70 DR |
206 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
207 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
208 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
209 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
4c8ff709 CY |
210 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
211 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
212 | {Opt_compress_extension, "compress_extension=%s"}, | |
aff063e2 JK |
213 | {Opt_err, NULL}, |
214 | }; | |
215 | ||
dcbb4c10 | 216 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
217 | { |
218 | struct va_format vaf; | |
219 | va_list args; | |
dcbb4c10 | 220 | int level; |
a07ef784 NJ |
221 | |
222 | va_start(args, fmt); | |
dcbb4c10 JP |
223 | |
224 | level = printk_get_level(fmt); | |
225 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 226 | vaf.va = &args; |
dcbb4c10 JP |
227 | printk("%c%cF2FS-fs (%s): %pV\n", |
228 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
229 | ||
a07ef784 NJ |
230 | va_end(args); |
231 | } | |
232 | ||
5aba5430 DR |
233 | #ifdef CONFIG_UNICODE |
234 | static const struct f2fs_sb_encodings { | |
235 | __u16 magic; | |
236 | char *name; | |
237 | char *version; | |
238 | } f2fs_sb_encoding_map[] = { | |
239 | {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"}, | |
240 | }; | |
241 | ||
242 | static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, | |
243 | const struct f2fs_sb_encodings **encoding, | |
244 | __u16 *flags) | |
245 | { | |
246 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
247 | int i; | |
248 | ||
249 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
250 | if (magic == f2fs_sb_encoding_map[i].magic) | |
251 | break; | |
252 | ||
253 | if (i >= ARRAY_SIZE(f2fs_sb_encoding_map)) | |
254 | return -EINVAL; | |
255 | ||
256 | *encoding = &f2fs_sb_encoding_map[i]; | |
257 | *flags = le16_to_cpu(sb->s_encoding_flags); | |
258 | ||
259 | return 0; | |
260 | } | |
261 | #endif | |
262 | ||
7e65be49 JK |
263 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
264 | { | |
9a9aecaa DR |
265 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
266 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
267 | |
268 | /* limit is 0.2% */ | |
63189b78 CY |
269 | if (test_opt(sbi, RESERVE_ROOT) && |
270 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
271 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
272 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
273 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 274 | } |
7c2e5963 | 275 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 276 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 277 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 278 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 279 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
280 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
281 | from_kuid_munged(&init_user_ns, | |
282 | F2FS_OPTION(sbi).s_resuid), | |
283 | from_kgid_munged(&init_user_ns, | |
284 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
285 | } |
286 | ||
1ae18f71 JK |
287 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
288 | { | |
289 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
290 | return; | |
291 | ||
292 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
293 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
294 | else | |
295 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
296 | F2FS_OPTION(sbi).unusable_cap_perc; | |
297 | ||
298 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
299 | F2FS_OPTION(sbi).unusable_cap, | |
300 | F2FS_OPTION(sbi).unusable_cap_perc); | |
301 | } | |
302 | ||
aff063e2 JK |
303 | static void init_once(void *foo) |
304 | { | |
305 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
306 | ||
aff063e2 JK |
307 | inode_init_once(&fi->vfs_inode); |
308 | } | |
309 | ||
4b2414d0 CY |
310 | #ifdef CONFIG_QUOTA |
311 | static const char * const quotatypes[] = INITQFNAMES; | |
312 | #define QTYPE2NAME(t) (quotatypes[t]) | |
313 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
314 | substring_t *args) | |
315 | { | |
316 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
317 | char *qname; | |
318 | int ret = -EINVAL; | |
319 | ||
63189b78 | 320 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 321 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
322 | return -EINVAL; |
323 | } | |
7beb01f7 | 324 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 325 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
326 | return 0; |
327 | } | |
328 | ||
4b2414d0 CY |
329 | qname = match_strdup(args); |
330 | if (!qname) { | |
dcbb4c10 | 331 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 332 | return -ENOMEM; |
4b2414d0 | 333 | } |
63189b78 CY |
334 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
335 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
336 | ret = 0; |
337 | else | |
dcbb4c10 | 338 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
339 | QTYPE2NAME(qtype)); |
340 | goto errout; | |
341 | } | |
342 | if (strchr(qname, '/')) { | |
dcbb4c10 | 343 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
344 | goto errout; |
345 | } | |
63189b78 | 346 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
347 | set_opt(sbi, QUOTA); |
348 | return 0; | |
349 | errout: | |
5222595d | 350 | kvfree(qname); |
4b2414d0 CY |
351 | return ret; |
352 | } | |
353 | ||
354 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
355 | { | |
356 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
357 | ||
63189b78 | 358 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 359 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
360 | return -EINVAL; |
361 | } | |
5222595d | 362 | kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 363 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
364 | return 0; |
365 | } | |
366 | ||
367 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
368 | { | |
369 | /* | |
370 | * We do the test below only for project quotas. 'usrquota' and | |
371 | * 'grpquota' mount options are allowed even without quota feature | |
372 | * to support legacy quotas in quota files. | |
373 | */ | |
7beb01f7 | 374 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 375 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
376 | return -1; |
377 | } | |
63189b78 CY |
378 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
379 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
380 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
381 | if (test_opt(sbi, USRQUOTA) && | |
382 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
383 | clear_opt(sbi, USRQUOTA); |
384 | ||
63189b78 CY |
385 | if (test_opt(sbi, GRPQUOTA) && |
386 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
387 | clear_opt(sbi, GRPQUOTA); |
388 | ||
63189b78 CY |
389 | if (test_opt(sbi, PRJQUOTA) && |
390 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
391 | clear_opt(sbi, PRJQUOTA); |
392 | ||
393 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
394 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 395 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
396 | return -1; |
397 | } | |
398 | ||
63189b78 | 399 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 400 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
401 | return -1; |
402 | } | |
403 | } | |
ea676733 | 404 | |
7beb01f7 | 405 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 406 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 407 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 408 | } |
4b2414d0 CY |
409 | return 0; |
410 | } | |
411 | #endif | |
412 | ||
696c018c NJ |
413 | static int parse_options(struct super_block *sb, char *options) |
414 | { | |
415 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
416 | substring_t args[MAX_OPT_ARGS]; | |
4c8ff709 | 417 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
696c018c | 418 | char *p, *name; |
4c8ff709 | 419 | int arg = 0, ext_cnt; |
7c2e5963 JK |
420 | kuid_t uid; |
421 | kgid_t gid; | |
4b2414d0 CY |
422 | #ifdef CONFIG_QUOTA |
423 | int ret; | |
424 | #endif | |
696c018c NJ |
425 | |
426 | if (!options) | |
427 | return 0; | |
428 | ||
429 | while ((p = strsep(&options, ",")) != NULL) { | |
430 | int token; | |
431 | if (!*p) | |
432 | continue; | |
433 | /* | |
434 | * Initialize args struct so we know whether arg was | |
435 | * found; some options take optional arguments. | |
436 | */ | |
437 | args[0].to = args[0].from = NULL; | |
438 | token = match_token(p, f2fs_tokens, args); | |
439 | ||
440 | switch (token) { | |
441 | case Opt_gc_background: | |
442 | name = match_strdup(&args[0]); | |
443 | ||
444 | if (!name) | |
445 | return -ENOMEM; | |
3c57f751 | 446 | if (!strcmp(name, "on")) { |
bbbc34fd | 447 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 448 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 449 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 450 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 451 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 452 | } else { |
5222595d | 453 | kvfree(name); |
696c018c NJ |
454 | return -EINVAL; |
455 | } | |
5222595d | 456 | kvfree(name); |
696c018c NJ |
457 | break; |
458 | case Opt_disable_roll_forward: | |
459 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
460 | break; | |
2d834bf9 JK |
461 | case Opt_norecovery: |
462 | /* this option mounts f2fs with ro */ | |
a9117eca | 463 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
464 | if (!f2fs_readonly(sb)) |
465 | return -EINVAL; | |
466 | break; | |
696c018c | 467 | case Opt_discard: |
7d20c8ab | 468 | set_opt(sbi, DISCARD); |
696c018c | 469 | break; |
64058be9 | 470 | case Opt_nodiscard: |
7beb01f7 | 471 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 472 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
473 | return -EINVAL; |
474 | } | |
64058be9 | 475 | clear_opt(sbi, DISCARD); |
487df616 | 476 | break; |
696c018c NJ |
477 | case Opt_noheap: |
478 | set_opt(sbi, NOHEAP); | |
479 | break; | |
7a20b8a6 JK |
480 | case Opt_heap: |
481 | clear_opt(sbi, NOHEAP); | |
482 | break; | |
696c018c | 483 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
484 | case Opt_user_xattr: |
485 | set_opt(sbi, XATTR_USER); | |
486 | break; | |
696c018c NJ |
487 | case Opt_nouser_xattr: |
488 | clear_opt(sbi, XATTR_USER); | |
489 | break; | |
444c580f JK |
490 | case Opt_inline_xattr: |
491 | set_opt(sbi, INLINE_XATTR); | |
492 | break; | |
23cf7212 CY |
493 | case Opt_noinline_xattr: |
494 | clear_opt(sbi, INLINE_XATTR); | |
495 | break; | |
6afc662e CY |
496 | case Opt_inline_xattr_size: |
497 | if (args->from && match_int(args, &arg)) | |
498 | return -EINVAL; | |
499 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 500 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 501 | break; |
696c018c | 502 | #else |
4058c511 | 503 | case Opt_user_xattr: |
dcbb4c10 | 504 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 505 | break; |
696c018c | 506 | case Opt_nouser_xattr: |
dcbb4c10 | 507 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 508 | break; |
444c580f | 509 | case Opt_inline_xattr: |
dcbb4c10 | 510 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 511 | break; |
23cf7212 | 512 | case Opt_noinline_xattr: |
dcbb4c10 | 513 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 514 | break; |
696c018c NJ |
515 | #endif |
516 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
517 | case Opt_acl: |
518 | set_opt(sbi, POSIX_ACL); | |
519 | break; | |
696c018c NJ |
520 | case Opt_noacl: |
521 | clear_opt(sbi, POSIX_ACL); | |
522 | break; | |
523 | #else | |
4058c511 | 524 | case Opt_acl: |
dcbb4c10 | 525 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 526 | break; |
696c018c | 527 | case Opt_noacl: |
dcbb4c10 | 528 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
529 | break; |
530 | #endif | |
531 | case Opt_active_logs: | |
532 | if (args->from && match_int(args, &arg)) | |
533 | return -EINVAL; | |
534 | if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE) | |
535 | return -EINVAL; | |
63189b78 | 536 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
537 | break; |
538 | case Opt_disable_ext_identify: | |
539 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
540 | break; | |
8274de77 HL |
541 | case Opt_inline_data: |
542 | set_opt(sbi, INLINE_DATA); | |
543 | break; | |
5efd3c6f CY |
544 | case Opt_inline_dentry: |
545 | set_opt(sbi, INLINE_DENTRY); | |
546 | break; | |
97c1794a CY |
547 | case Opt_noinline_dentry: |
548 | clear_opt(sbi, INLINE_DENTRY); | |
549 | break; | |
6b4afdd7 JK |
550 | case Opt_flush_merge: |
551 | set_opt(sbi, FLUSH_MERGE); | |
552 | break; | |
69e9e427 JK |
553 | case Opt_noflush_merge: |
554 | clear_opt(sbi, FLUSH_MERGE); | |
555 | break; | |
0f7b2abd JK |
556 | case Opt_nobarrier: |
557 | set_opt(sbi, NOBARRIER); | |
558 | break; | |
d5053a34 JK |
559 | case Opt_fastboot: |
560 | set_opt(sbi, FASTBOOT); | |
561 | break; | |
89672159 CY |
562 | case Opt_extent_cache: |
563 | set_opt(sbi, EXTENT_CACHE); | |
564 | break; | |
7daaea25 JK |
565 | case Opt_noextent_cache: |
566 | clear_opt(sbi, EXTENT_CACHE); | |
567 | break; | |
75342797 WL |
568 | case Opt_noinline_data: |
569 | clear_opt(sbi, INLINE_DATA); | |
570 | break; | |
343f40f0 CY |
571 | case Opt_data_flush: |
572 | set_opt(sbi, DATA_FLUSH); | |
573 | break; | |
7e65be49 JK |
574 | case Opt_reserve_root: |
575 | if (args->from && match_int(args, &arg)) | |
576 | return -EINVAL; | |
577 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
578 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
579 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 580 | } else { |
63189b78 | 581 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
582 | set_opt(sbi, RESERVE_ROOT); |
583 | } | |
584 | break; | |
7c2e5963 JK |
585 | case Opt_resuid: |
586 | if (args->from && match_int(args, &arg)) | |
587 | return -EINVAL; | |
588 | uid = make_kuid(current_user_ns(), arg); | |
589 | if (!uid_valid(uid)) { | |
dcbb4c10 | 590 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
591 | return -EINVAL; |
592 | } | |
63189b78 | 593 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
594 | break; |
595 | case Opt_resgid: | |
596 | if (args->from && match_int(args, &arg)) | |
597 | return -EINVAL; | |
598 | gid = make_kgid(current_user_ns(), arg); | |
599 | if (!gid_valid(gid)) { | |
dcbb4c10 | 600 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
601 | return -EINVAL; |
602 | } | |
63189b78 | 603 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 604 | break; |
36abef4e JK |
605 | case Opt_mode: |
606 | name = match_strdup(&args[0]); | |
607 | ||
608 | if (!name) | |
609 | return -ENOMEM; | |
3c57f751 | 610 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 611 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 612 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
5222595d | 613 | kvfree(name); |
3adc57e9 DLM |
614 | return -EINVAL; |
615 | } | |
b0332a0f | 616 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 617 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 618 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
36abef4e | 619 | } else { |
5222595d | 620 | kvfree(name); |
36abef4e JK |
621 | return -EINVAL; |
622 | } | |
5222595d | 623 | kvfree(name); |
36abef4e | 624 | break; |
ec91538d JK |
625 | case Opt_io_size_bits: |
626 | if (args->from && match_int(args, &arg)) | |
627 | return -EINVAL; | |
6d52e135 | 628 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { |
dcbb4c10 JP |
629 | f2fs_warn(sbi, "Not support %d, larger than %d", |
630 | 1 << arg, BIO_MAX_PAGES); | |
ec91538d JK |
631 | return -EINVAL; |
632 | } | |
63189b78 | 633 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 634 | break; |
4cb037ec | 635 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
636 | case Opt_fault_injection: |
637 | if (args->from && match_int(args, &arg)) | |
638 | return -EINVAL; | |
d494500a CY |
639 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
640 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 641 | break; |
4cb037ec | 642 | |
d494500a CY |
643 | case Opt_fault_type: |
644 | if (args->from && match_int(args, &arg)) | |
645 | return -EINVAL; | |
d494500a | 646 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 647 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 648 | break; |
73faec4d | 649 | #else |
4cb037ec | 650 | case Opt_fault_injection: |
dcbb4c10 | 651 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 652 | break; |
4cb037ec CX |
653 | |
654 | case Opt_fault_type: | |
dcbb4c10 | 655 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
656 | break; |
657 | #endif | |
6d94c74a | 658 | case Opt_lazytime: |
1751e8a6 | 659 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
660 | break; |
661 | case Opt_nolazytime: | |
1751e8a6 | 662 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 663 | break; |
0abd675e | 664 | #ifdef CONFIG_QUOTA |
4b2414d0 | 665 | case Opt_quota: |
0abd675e CY |
666 | case Opt_usrquota: |
667 | set_opt(sbi, USRQUOTA); | |
668 | break; | |
669 | case Opt_grpquota: | |
670 | set_opt(sbi, GRPQUOTA); | |
671 | break; | |
5c57132e CY |
672 | case Opt_prjquota: |
673 | set_opt(sbi, PRJQUOTA); | |
674 | break; | |
4b2414d0 CY |
675 | case Opt_usrjquota: |
676 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
677 | if (ret) | |
678 | return ret; | |
679 | break; | |
680 | case Opt_grpjquota: | |
681 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
682 | if (ret) | |
683 | return ret; | |
684 | break; | |
685 | case Opt_prjjquota: | |
686 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
687 | if (ret) | |
688 | return ret; | |
689 | break; | |
690 | case Opt_offusrjquota: | |
691 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
692 | if (ret) | |
693 | return ret; | |
694 | break; | |
695 | case Opt_offgrpjquota: | |
696 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
697 | if (ret) | |
698 | return ret; | |
699 | break; | |
700 | case Opt_offprjjquota: | |
701 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
702 | if (ret) | |
703 | return ret; | |
704 | break; | |
705 | case Opt_jqfmt_vfsold: | |
63189b78 | 706 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
707 | break; |
708 | case Opt_jqfmt_vfsv0: | |
63189b78 | 709 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
710 | break; |
711 | case Opt_jqfmt_vfsv1: | |
63189b78 | 712 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
713 | break; |
714 | case Opt_noquota: | |
715 | clear_opt(sbi, QUOTA); | |
716 | clear_opt(sbi, USRQUOTA); | |
717 | clear_opt(sbi, GRPQUOTA); | |
718 | clear_opt(sbi, PRJQUOTA); | |
719 | break; | |
0abd675e | 720 | #else |
4b2414d0 | 721 | case Opt_quota: |
0abd675e CY |
722 | case Opt_usrquota: |
723 | case Opt_grpquota: | |
5c57132e | 724 | case Opt_prjquota: |
4b2414d0 CY |
725 | case Opt_usrjquota: |
726 | case Opt_grpjquota: | |
727 | case Opt_prjjquota: | |
728 | case Opt_offusrjquota: | |
729 | case Opt_offgrpjquota: | |
730 | case Opt_offprjjquota: | |
731 | case Opt_jqfmt_vfsold: | |
732 | case Opt_jqfmt_vfsv0: | |
733 | case Opt_jqfmt_vfsv1: | |
734 | case Opt_noquota: | |
dcbb4c10 | 735 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
736 | break; |
737 | #endif | |
0cdd3195 HL |
738 | case Opt_whint: |
739 | name = match_strdup(&args[0]); | |
740 | if (!name) | |
741 | return -ENOMEM; | |
3c57f751 | 742 | if (!strcmp(name, "user-based")) { |
63189b78 | 743 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
3c57f751 | 744 | } else if (!strcmp(name, "off")) { |
63189b78 | 745 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
3c57f751 | 746 | } else if (!strcmp(name, "fs-based")) { |
63189b78 | 747 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 748 | } else { |
5222595d | 749 | kvfree(name); |
0cdd3195 HL |
750 | return -EINVAL; |
751 | } | |
5222595d | 752 | kvfree(name); |
0cdd3195 | 753 | break; |
07939627 JK |
754 | case Opt_alloc: |
755 | name = match_strdup(&args[0]); | |
756 | if (!name) | |
757 | return -ENOMEM; | |
758 | ||
3c57f751 | 759 | if (!strcmp(name, "default")) { |
63189b78 | 760 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 761 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 762 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 763 | } else { |
5222595d | 764 | kvfree(name); |
07939627 JK |
765 | return -EINVAL; |
766 | } | |
5222595d | 767 | kvfree(name); |
07939627 | 768 | break; |
93cf93f1 JZ |
769 | case Opt_fsync: |
770 | name = match_strdup(&args[0]); | |
771 | if (!name) | |
772 | return -ENOMEM; | |
3c57f751 | 773 | if (!strcmp(name, "posix")) { |
63189b78 | 774 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 775 | } else if (!strcmp(name, "strict")) { |
63189b78 | 776 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 777 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
778 | F2FS_OPTION(sbi).fsync_mode = |
779 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 780 | } else { |
5222595d | 781 | kvfree(name); |
93cf93f1 JZ |
782 | return -EINVAL; |
783 | } | |
5222595d | 784 | kvfree(name); |
93cf93f1 | 785 | break; |
ff62af20 | 786 | case Opt_test_dummy_encryption: |
643fa961 | 787 | #ifdef CONFIG_FS_ENCRYPTION |
7beb01f7 | 788 | if (!f2fs_sb_has_encrypt(sbi)) { |
dcbb4c10 | 789 | f2fs_err(sbi, "Encrypt feature is off"); |
ff62af20 SY |
790 | return -EINVAL; |
791 | } | |
792 | ||
793 | F2FS_OPTION(sbi).test_dummy_encryption = true; | |
dcbb4c10 | 794 | f2fs_info(sbi, "Test dummy encryption mode enabled"); |
ff62af20 | 795 | #else |
dcbb4c10 | 796 | f2fs_info(sbi, "Test dummy encryption mount option ignored"); |
ff62af20 SY |
797 | #endif |
798 | break; | |
4d3aed70 DR |
799 | case Opt_checkpoint_disable_cap_perc: |
800 | if (args->from && match_int(args, &arg)) | |
4354994f | 801 | return -EINVAL; |
4d3aed70 DR |
802 | if (arg < 0 || arg > 100) |
803 | return -EINVAL; | |
1ae18f71 | 804 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
805 | set_opt(sbi, DISABLE_CHECKPOINT); |
806 | break; | |
807 | case Opt_checkpoint_disable_cap: | |
808 | if (args->from && match_int(args, &arg)) | |
809 | return -EINVAL; | |
810 | F2FS_OPTION(sbi).unusable_cap = arg; | |
811 | set_opt(sbi, DISABLE_CHECKPOINT); | |
812 | break; | |
813 | case Opt_checkpoint_disable: | |
814 | set_opt(sbi, DISABLE_CHECKPOINT); | |
815 | break; | |
816 | case Opt_checkpoint_enable: | |
817 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 818 | break; |
4c8ff709 CY |
819 | case Opt_compress_algorithm: |
820 | if (!f2fs_sb_has_compression(sbi)) { | |
821 | f2fs_err(sbi, "Compression feature if off"); | |
822 | return -EINVAL; | |
823 | } | |
824 | name = match_strdup(&args[0]); | |
825 | if (!name) | |
826 | return -ENOMEM; | |
3c57f751 | 827 | if (!strcmp(name, "lzo")) { |
4c8ff709 CY |
828 | F2FS_OPTION(sbi).compress_algorithm = |
829 | COMPRESS_LZO; | |
3c57f751 | 830 | } else if (!strcmp(name, "lz4")) { |
4c8ff709 CY |
831 | F2FS_OPTION(sbi).compress_algorithm = |
832 | COMPRESS_LZ4; | |
3c57f751 | 833 | } else if (!strcmp(name, "zstd")) { |
50cfa66f CY |
834 | F2FS_OPTION(sbi).compress_algorithm = |
835 | COMPRESS_ZSTD; | |
6d92b201 CY |
836 | } else if (!strcmp(name, "lzo-rle")) { |
837 | F2FS_OPTION(sbi).compress_algorithm = | |
838 | COMPRESS_LZORLE; | |
4c8ff709 CY |
839 | } else { |
840 | kfree(name); | |
841 | return -EINVAL; | |
842 | } | |
843 | kfree(name); | |
844 | break; | |
845 | case Opt_compress_log_size: | |
846 | if (!f2fs_sb_has_compression(sbi)) { | |
847 | f2fs_err(sbi, "Compression feature is off"); | |
848 | return -EINVAL; | |
849 | } | |
850 | if (args->from && match_int(args, &arg)) | |
851 | return -EINVAL; | |
852 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
853 | arg > MAX_COMPRESS_LOG_SIZE) { | |
854 | f2fs_err(sbi, | |
855 | "Compress cluster log size is out of range"); | |
856 | return -EINVAL; | |
857 | } | |
858 | F2FS_OPTION(sbi).compress_log_size = arg; | |
859 | break; | |
860 | case Opt_compress_extension: | |
861 | if (!f2fs_sb_has_compression(sbi)) { | |
862 | f2fs_err(sbi, "Compression feature is off"); | |
863 | return -EINVAL; | |
864 | } | |
865 | name = match_strdup(&args[0]); | |
866 | if (!name) | |
867 | return -ENOMEM; | |
868 | ||
869 | ext = F2FS_OPTION(sbi).extensions; | |
870 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
871 | ||
872 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
873 | ext_cnt >= COMPRESS_EXT_NUM) { | |
874 | f2fs_err(sbi, | |
875 | "invalid extension length/number"); | |
876 | kfree(name); | |
877 | return -EINVAL; | |
878 | } | |
879 | ||
880 | strcpy(ext[ext_cnt], name); | |
881 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
882 | kfree(name); | |
883 | break; | |
696c018c | 884 | default: |
dcbb4c10 JP |
885 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
886 | p); | |
696c018c NJ |
887 | return -EINVAL; |
888 | } | |
889 | } | |
4b2414d0 CY |
890 | #ifdef CONFIG_QUOTA |
891 | if (f2fs_check_quota_options(sbi)) | |
892 | return -EINVAL; | |
00960c2c | 893 | #else |
7beb01f7 | 894 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 895 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
896 | return -EINVAL; |
897 | } | |
7beb01f7 | 898 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 899 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
900 | return -EINVAL; |
901 | } | |
4b2414d0 | 902 | #endif |
5aba5430 DR |
903 | #ifndef CONFIG_UNICODE |
904 | if (f2fs_sb_has_casefold(sbi)) { | |
905 | f2fs_err(sbi, | |
906 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
907 | return -EINVAL; | |
908 | } | |
909 | #endif | |
ec91538d | 910 | |
b0332a0f | 911 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
912 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
913 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
914 | return -EINVAL; |
915 | } | |
6afc662e CY |
916 | |
917 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
918 | int min_size, max_size; |
919 | ||
7beb01f7 CY |
920 | if (!f2fs_sb_has_extra_attr(sbi) || |
921 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 922 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
923 | return -EINVAL; |
924 | } | |
6afc662e | 925 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 926 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
927 | return -EINVAL; |
928 | } | |
70db5b04 JK |
929 | |
930 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 931 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
932 | |
933 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
934 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
935 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
936 | min_size, max_size); | |
6afc662e CY |
937 | return -EINVAL; |
938 | } | |
939 | } | |
0cdd3195 | 940 | |
b0332a0f | 941 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
dcbb4c10 | 942 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
943 | return -EINVAL; |
944 | } | |
945 | ||
0cdd3195 HL |
946 | /* Not pass down write hints if the number of active logs is lesser |
947 | * than NR_CURSEG_TYPE. | |
948 | */ | |
63189b78 CY |
949 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
950 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
951 | return 0; |
952 | } | |
953 | ||
aff063e2 JK |
954 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
955 | { | |
956 | struct f2fs_inode_info *fi; | |
957 | ||
a0acdfe0 | 958 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
959 | if (!fi) |
960 | return NULL; | |
961 | ||
962 | init_once((void *) fi); | |
963 | ||
434720fa | 964 | /* Initialize f2fs-specific inode info */ |
204706c7 | 965 | atomic_set(&fi->dirty_pages, 0); |
d928bfbf | 966 | init_rwsem(&fi->i_sem); |
c10c9820 | 967 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 968 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 969 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 970 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
971 | INIT_LIST_HEAD(&fi->inmem_pages); |
972 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
973 | init_rwsem(&fi->i_gc_rwsem[READ]); |
974 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 975 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 976 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 977 | |
ab9fa662 JK |
978 | /* Will be used by directory only */ |
979 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 980 | |
aff063e2 JK |
981 | return &fi->vfs_inode; |
982 | } | |
983 | ||
531ad7d5 JK |
984 | static int f2fs_drop_inode(struct inode *inode) |
985 | { | |
a8933b6b | 986 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 987 | int ret; |
a8933b6b CY |
988 | |
989 | /* | |
990 | * during filesystem shutdown, if checkpoint is disabled, | |
991 | * drop useless meta/node dirty pages. | |
992 | */ | |
993 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
994 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
995 | inode->i_ino == F2FS_META_INO(sbi)) { | |
996 | trace_f2fs_drop_inode(inode, 1); | |
997 | return 1; | |
998 | } | |
999 | } | |
1000 | ||
531ad7d5 JK |
1001 | /* |
1002 | * This is to avoid a deadlock condition like below. | |
1003 | * writeback_single_inode(inode) | |
1004 | * - f2fs_write_data_page | |
1005 | * - f2fs_gc -> iput -> evict | |
1006 | * - inode_wait_for_writeback(inode) | |
1007 | */ | |
0f18b462 | 1008 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1009 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1010 | /* to avoid evict_inode call simultaneously */ |
1011 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1012 | spin_unlock(&inode->i_lock); |
1013 | ||
1014 | /* some remained atomic pages should discarded */ | |
1015 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 1016 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 1017 | |
3e72f721 JK |
1018 | /* should remain fi->extent_tree for writepage */ |
1019 | f2fs_destroy_extent_node(inode); | |
1020 | ||
06e1bc05 | 1021 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1022 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1023 | |
a0770e13 | 1024 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1025 | inode, NULL, 0, DATA); | |
1026 | truncate_inode_pages_final(inode->i_mapping); | |
1027 | ||
06e1bc05 | 1028 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1029 | f2fs_truncate(inode); |
06e1bc05 JK |
1030 | |
1031 | sb_end_intwrite(inode->i_sb); | |
1032 | ||
06e1bc05 | 1033 | spin_lock(&inode->i_lock); |
3e72f721 | 1034 | atomic_dec(&inode->i_count); |
06e1bc05 | 1035 | } |
b8d96a30 | 1036 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1037 | return 0; |
06e1bc05 | 1038 | } |
b8d96a30 | 1039 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1040 | if (!ret) |
1041 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1042 | trace_f2fs_drop_inode(inode, ret); |
1043 | return ret; | |
531ad7d5 JK |
1044 | } |
1045 | ||
7c45729a | 1046 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1047 | { |
0f18b462 | 1048 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1049 | int ret = 0; |
0f18b462 | 1050 | |
0f18b462 JK |
1051 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1052 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1053 | ret = 1; |
1054 | } else { | |
1055 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1056 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1057 | } |
7c45729a JK |
1058 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1059 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1060 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1061 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1062 | } | |
338bbfa0 | 1063 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1064 | return ret; |
0f18b462 JK |
1065 | } |
1066 | ||
1067 | void f2fs_inode_synced(struct inode *inode) | |
1068 | { | |
1069 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1070 | ||
1071 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1072 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1073 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1074 | return; | |
1075 | } | |
7c45729a JK |
1076 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1077 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1078 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1079 | } | |
0f18b462 | 1080 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1081 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1082 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1083 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1084 | } |
1085 | ||
b56ab837 JK |
1086 | /* |
1087 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1088 | * | |
1089 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1090 | */ | |
1091 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1092 | { | |
1093 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1094 | ||
1095 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1096 | inode->i_ino == F2FS_META_INO(sbi)) | |
1097 | return; | |
1098 | ||
1099 | if (flags == I_DIRTY_TIME) | |
1100 | return; | |
1101 | ||
1102 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) | |
1103 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1104 | ||
7c45729a | 1105 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1106 | } |
1107 | ||
d01718a0 | 1108 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1109 | { |
2c58d548 | 1110 | fscrypt_free_inode(inode); |
aff063e2 JK |
1111 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1112 | } | |
1113 | ||
523be8a6 JK |
1114 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1115 | { | |
41382ec4 | 1116 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 1117 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
1118 | } |
1119 | ||
3c62be17 JK |
1120 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1121 | { | |
1122 | int i; | |
1123 | ||
1124 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1125 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1126 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1127 | kvfree(FDEV(i).blkz_seq); |
3c62be17 JK |
1128 | #endif |
1129 | } | |
5222595d | 1130 | kvfree(sbi->devs); |
3c62be17 JK |
1131 | } |
1132 | ||
aff063e2 JK |
1133 | static void f2fs_put_super(struct super_block *sb) |
1134 | { | |
1135 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1136 | int i; |
cf5c759f | 1137 | bool dropped; |
aff063e2 | 1138 | |
0abd675e | 1139 | f2fs_quota_off_umount(sb); |
aff063e2 | 1140 | |
2658e50d JK |
1141 | /* prevent remaining shrinker jobs */ |
1142 | mutex_lock(&sbi->umount_mutex); | |
1143 | ||
85dc2f2c JK |
1144 | /* |
1145 | * We don't need to do checkpoint when superblock is clean. | |
1146 | * But, the previous checkpoint was not done by umount, it needs to do | |
1147 | * clean checkpoint again. | |
1148 | */ | |
4354994f DR |
1149 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1150 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1151 | struct cp_control cpc = { |
1152 | .reason = CP_UMOUNT, | |
1153 | }; | |
4d57b86d | 1154 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1155 | } |
aff063e2 | 1156 | |
4e6a8d9b | 1157 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1158 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1159 | |
7d20c8ab CY |
1160 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1161 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1162 | struct cp_control cpc = { |
1163 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1164 | }; | |
4d57b86d | 1165 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1166 | } |
1167 | ||
cf779cab JK |
1168 | /* |
1169 | * normally superblock is clean, so we need to release this. | |
1170 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1171 | */ | |
4d57b86d | 1172 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1173 | |
2658e50d JK |
1174 | f2fs_leave_shrinker(sbi); |
1175 | mutex_unlock(&sbi->umount_mutex); | |
1176 | ||
17c19120 | 1177 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1178 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1179 | |
bf22c3cc | 1180 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1181 | |
1182 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1183 | ||
aff063e2 | 1184 | iput(sbi->node_inode); |
7c77bf7d JK |
1185 | sbi->node_inode = NULL; |
1186 | ||
aff063e2 | 1187 | iput(sbi->meta_inode); |
7c77bf7d | 1188 | sbi->meta_inode = NULL; |
aff063e2 | 1189 | |
60aa4d55 ST |
1190 | /* |
1191 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1192 | * above failed with error. | |
1193 | */ | |
1194 | f2fs_destroy_stats(sbi); | |
1195 | ||
aff063e2 | 1196 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1197 | f2fs_destroy_node_manager(sbi); |
1198 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1199 | |
4c8ff709 CY |
1200 | f2fs_destroy_post_read_wq(sbi); |
1201 | ||
5222595d | 1202 | kvfree(sbi->ckpt); |
a398101a | 1203 | |
dc6b2055 | 1204 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
1205 | |
1206 | sb->s_fs_info = NULL; | |
43b6573b KM |
1207 | if (sbi->s_chksum_driver) |
1208 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 1209 | kvfree(sbi->raw_super); |
523be8a6 | 1210 | |
3c62be17 | 1211 | destroy_device_list(sbi); |
a999150f | 1212 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1213 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1214 | #ifdef CONFIG_QUOTA |
1215 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1216 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1217 | #endif |
523be8a6 | 1218 | destroy_percpu_info(sbi); |
a912b54d | 1219 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1220 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
1221 | #ifdef CONFIG_UNICODE |
1222 | utf8_unload(sbi->s_encoding); | |
1223 | #endif | |
5222595d | 1224 | kvfree(sbi); |
aff063e2 JK |
1225 | } |
1226 | ||
1227 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1228 | { | |
1229 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1230 | int err = 0; |
aff063e2 | 1231 | |
1f227a3e JK |
1232 | if (unlikely(f2fs_cp_error(sbi))) |
1233 | return 0; | |
4354994f DR |
1234 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1235 | return 0; | |
1f227a3e | 1236 | |
a2a4a7e4 NJ |
1237 | trace_f2fs_sync_fs(sb, sync); |
1238 | ||
4b2414d0 CY |
1239 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1240 | return -EAGAIN; | |
1241 | ||
b7473754 | 1242 | if (sync) { |
d5053a34 JK |
1243 | struct cp_control cpc; |
1244 | ||
119ee914 JK |
1245 | cpc.reason = __get_cp_reason(sbi); |
1246 | ||
fb24fea7 | 1247 | down_write(&sbi->gc_lock); |
4d57b86d | 1248 | err = f2fs_write_checkpoint(sbi, &cpc); |
fb24fea7 | 1249 | up_write(&sbi->gc_lock); |
b7473754 | 1250 | } |
05ca3632 | 1251 | f2fs_trace_ios(NULL, 1); |
aff063e2 | 1252 | |
c34f42e2 | 1253 | return err; |
aff063e2 JK |
1254 | } |
1255 | ||
d6212a5f CL |
1256 | static int f2fs_freeze(struct super_block *sb) |
1257 | { | |
77888c1e | 1258 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1259 | return 0; |
1260 | ||
b4b9d34c JK |
1261 | /* IO error happened before */ |
1262 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1263 | return -EIO; | |
1264 | ||
1265 | /* must be clean, since sync_filesystem() was already called */ | |
1266 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1267 | return -EINVAL; | |
1268 | return 0; | |
d6212a5f CL |
1269 | } |
1270 | ||
1271 | static int f2fs_unfreeze(struct super_block *sb) | |
1272 | { | |
1273 | return 0; | |
1274 | } | |
1275 | ||
ddc34e32 CY |
1276 | #ifdef CONFIG_QUOTA |
1277 | static int f2fs_statfs_project(struct super_block *sb, | |
1278 | kprojid_t projid, struct kstatfs *buf) | |
1279 | { | |
1280 | struct kqid qid; | |
1281 | struct dquot *dquot; | |
1282 | u64 limit; | |
1283 | u64 curblock; | |
1284 | ||
1285 | qid = make_kqid_projid(projid); | |
1286 | dquot = dqget(sb, qid); | |
1287 | if (IS_ERR(dquot)) | |
1288 | return PTR_ERR(dquot); | |
955ac6e5 | 1289 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1290 | |
bf2cbd3c CX |
1291 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1292 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1293 | if (limit) |
1294 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1295 | |
ddc34e32 | 1296 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1297 | curblock = (dquot->dq_dqb.dqb_curspace + |
1298 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1299 | buf->f_blocks = limit; |
1300 | buf->f_bfree = buf->f_bavail = | |
1301 | (buf->f_blocks > curblock) ? | |
1302 | (buf->f_blocks - curblock) : 0; | |
1303 | } | |
1304 | ||
bf2cbd3c CX |
1305 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1306 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1307 | |
ddc34e32 CY |
1308 | if (limit && buf->f_files > limit) { |
1309 | buf->f_files = limit; | |
1310 | buf->f_ffree = | |
1311 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1312 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1313 | } | |
1314 | ||
955ac6e5 | 1315 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1316 | dqput(dquot); |
1317 | return 0; | |
1318 | } | |
1319 | #endif | |
1320 | ||
aff063e2 JK |
1321 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1322 | { | |
1323 | struct super_block *sb = dentry->d_sb; | |
1324 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1325 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1326 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1327 | u64 avail_node_count; |
aff063e2 JK |
1328 | |
1329 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1330 | user_block_count = sbi->user_block_count; | |
1331 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1332 | buf->f_type = F2FS_SUPER_MAGIC; |
1333 | buf->f_bsize = sbi->blocksize; | |
1334 | ||
1335 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1336 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1337 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1338 | |
1339 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1340 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1341 | buf->f_bfree = 0; | |
1342 | else | |
1343 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1344 | spin_unlock(&sbi->stat_lock); |
4354994f | 1345 | |
63189b78 CY |
1346 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1347 | buf->f_bavail = buf->f_bfree - | |
1348 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1349 | else |
1350 | buf->f_bavail = 0; | |
aff063e2 | 1351 | |
27cae0bc | 1352 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
0cc091d0 JK |
1353 | |
1354 | if (avail_node_count > user_block_count) { | |
1355 | buf->f_files = user_block_count; | |
1356 | buf->f_ffree = buf->f_bavail; | |
1357 | } else { | |
1358 | buf->f_files = avail_node_count; | |
1359 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1360 | buf->f_bavail); | |
1361 | } | |
aff063e2 | 1362 | |
5a20d339 | 1363 | buf->f_namelen = F2FS_NAME_LEN; |
aff063e2 JK |
1364 | buf->f_fsid.val[0] = (u32)id; |
1365 | buf->f_fsid.val[1] = (u32)(id >> 32); | |
1366 | ||
ddc34e32 CY |
1367 | #ifdef CONFIG_QUOTA |
1368 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1369 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1370 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1371 | } | |
1372 | #endif | |
aff063e2 JK |
1373 | return 0; |
1374 | } | |
1375 | ||
4b2414d0 CY |
1376 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1377 | struct super_block *sb) | |
1378 | { | |
1379 | #ifdef CONFIG_QUOTA | |
1380 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1381 | ||
63189b78 | 1382 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1383 | char *fmtname = ""; |
1384 | ||
63189b78 | 1385 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1386 | case QFMT_VFS_OLD: |
1387 | fmtname = "vfsold"; | |
1388 | break; | |
1389 | case QFMT_VFS_V0: | |
1390 | fmtname = "vfsv0"; | |
1391 | break; | |
1392 | case QFMT_VFS_V1: | |
1393 | fmtname = "vfsv1"; | |
1394 | break; | |
1395 | } | |
1396 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1397 | } | |
1398 | ||
63189b78 CY |
1399 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1400 | seq_show_option(seq, "usrjquota", | |
1401 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1402 | |
63189b78 CY |
1403 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1404 | seq_show_option(seq, "grpjquota", | |
1405 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1406 | |
63189b78 CY |
1407 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1408 | seq_show_option(seq, "prjjquota", | |
1409 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1410 | #endif |
1411 | } | |
1412 | ||
4c8ff709 CY |
1413 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1414 | struct super_block *sb) | |
1415 | { | |
1416 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1417 | char *algtype = ""; | |
1418 | int i; | |
1419 | ||
1420 | if (!f2fs_sb_has_compression(sbi)) | |
1421 | return; | |
1422 | ||
1423 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1424 | case COMPRESS_LZO: | |
1425 | algtype = "lzo"; | |
1426 | break; | |
1427 | case COMPRESS_LZ4: | |
1428 | algtype = "lz4"; | |
1429 | break; | |
50cfa66f CY |
1430 | case COMPRESS_ZSTD: |
1431 | algtype = "zstd"; | |
1432 | break; | |
6d92b201 CY |
1433 | case COMPRESS_LZORLE: |
1434 | algtype = "lzo-rle"; | |
1435 | break; | |
4c8ff709 CY |
1436 | } |
1437 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1438 | ||
1439 | seq_printf(seq, ",compress_log_size=%u", | |
1440 | F2FS_OPTION(sbi).compress_log_size); | |
1441 | ||
1442 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1443 | seq_printf(seq, ",compress_extension=%s", | |
1444 | F2FS_OPTION(sbi).extensions[i]); | |
1445 | } | |
1446 | } | |
1447 | ||
aff063e2 JK |
1448 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1449 | { | |
1450 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1451 | ||
bbbc34fd CY |
1452 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1453 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1454 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1455 | seq_printf(seq, ",background_gc=%s", "on"); | |
1456 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1457 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1458 | |
aff063e2 JK |
1459 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1460 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1461 | if (test_opt(sbi, NORECOVERY)) |
1462 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1463 | if (test_opt(sbi, DISCARD)) |
1464 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1465 | else |
1466 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1467 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1468 | seq_puts(seq, ",no_heap"); |
1469 | else | |
1470 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1471 | #ifdef CONFIG_F2FS_FS_XATTR |
1472 | if (test_opt(sbi, XATTR_USER)) | |
1473 | seq_puts(seq, ",user_xattr"); | |
1474 | else | |
1475 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1476 | if (test_opt(sbi, INLINE_XATTR)) |
1477 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1478 | else |
1479 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1480 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1481 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1482 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1483 | #endif |
1484 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1485 | if (test_opt(sbi, POSIX_ACL)) | |
1486 | seq_puts(seq, ",acl"); | |
1487 | else | |
1488 | seq_puts(seq, ",noacl"); | |
1489 | #endif | |
1490 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1491 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1492 | if (test_opt(sbi, INLINE_DATA)) |
1493 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1494 | else |
1495 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1496 | if (test_opt(sbi, INLINE_DENTRY)) |
1497 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1498 | else |
1499 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1500 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1501 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1502 | if (test_opt(sbi, NOBARRIER)) |
1503 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1504 | if (test_opt(sbi, FASTBOOT)) |
1505 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1506 | if (test_opt(sbi, EXTENT_CACHE)) |
1507 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1508 | else |
1509 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1510 | if (test_opt(sbi, DATA_FLUSH)) |
1511 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1512 | |
1513 | seq_puts(seq, ",mode="); | |
b0332a0f | 1514 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1515 | seq_puts(seq, "adaptive"); |
b0332a0f | 1516 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1517 | seq_puts(seq, "lfs"); |
63189b78 | 1518 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1519 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1520 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1521 | F2FS_OPTION(sbi).root_reserved_blocks, |
1522 | from_kuid_munged(&init_user_ns, | |
1523 | F2FS_OPTION(sbi).s_resuid), | |
1524 | from_kgid_munged(&init_user_ns, | |
1525 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1526 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1527 | seq_printf(seq, ",io_bits=%u", |
1528 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1529 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1530 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1531 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1532 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1533 | seq_printf(seq, ",fault_type=%u", |
1534 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1535 | } | |
0cc0dec2 | 1536 | #endif |
0abd675e | 1537 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1538 | if (test_opt(sbi, QUOTA)) |
1539 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1540 | if (test_opt(sbi, USRQUOTA)) |
1541 | seq_puts(seq, ",usrquota"); | |
1542 | if (test_opt(sbi, GRPQUOTA)) | |
1543 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1544 | if (test_opt(sbi, PRJQUOTA)) |
1545 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1546 | #endif |
4b2414d0 | 1547 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1548 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1549 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1550 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1551 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
643fa961 | 1552 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1553 | if (F2FS_OPTION(sbi).test_dummy_encryption) |
1554 | seq_puts(seq, ",test_dummy_encryption"); | |
1555 | #endif | |
aff063e2 | 1556 | |
63189b78 | 1557 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1558 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1559 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1560 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1561 | |
4354994f | 1562 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1563 | seq_printf(seq, ",checkpoint=disable:%u", |
1564 | F2FS_OPTION(sbi).unusable_cap); | |
63189b78 | 1565 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1566 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1567 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1568 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1569 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1570 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 CY |
1571 | |
1572 | f2fs_show_compress_options(seq, sbi->sb); | |
aff063e2 JK |
1573 | return 0; |
1574 | } | |
1575 | ||
498c5e9f YH |
1576 | static void default_options(struct f2fs_sb_info *sbi) |
1577 | { | |
1578 | /* init some FS parameters */ | |
63189b78 CY |
1579 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_TYPE; |
1580 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
1581 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1582 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1583 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
ff62af20 | 1584 | F2FS_OPTION(sbi).test_dummy_encryption = false; |
0aa7e0f8 CY |
1585 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1586 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 1587 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
1588 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
1589 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
bbbc34fd | 1590 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
498c5e9f | 1591 | |
39133a50 | 1592 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1593 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1594 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1595 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1596 | set_opt(sbi, NOHEAP); |
4354994f | 1597 | clear_opt(sbi, DISABLE_CHECKPOINT); |
4d3aed70 | 1598 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1599 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1600 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1601 | set_opt(sbi, DISCARD); |
7beb01f7 | 1602 | if (f2fs_sb_has_blkzoned(sbi)) |
b0332a0f | 1603 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
a39e5365 | 1604 | else |
b0332a0f | 1605 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
498c5e9f YH |
1606 | |
1607 | #ifdef CONFIG_F2FS_FS_XATTR | |
1608 | set_opt(sbi, XATTR_USER); | |
1609 | #endif | |
1610 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1611 | set_opt(sbi, POSIX_ACL); | |
1612 | #endif | |
36dbd328 | 1613 | |
d494500a | 1614 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1615 | } |
1616 | ||
ea676733 JK |
1617 | #ifdef CONFIG_QUOTA |
1618 | static int f2fs_enable_quotas(struct super_block *sb); | |
1619 | #endif | |
4354994f DR |
1620 | |
1621 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1622 | { | |
812a9597 | 1623 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1624 | struct cp_control cpc; |
812a9597 JK |
1625 | int err = 0; |
1626 | int ret; | |
4d3aed70 | 1627 | block_t unusable; |
4354994f | 1628 | |
812a9597 | 1629 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1630 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1631 | return -EINVAL; |
1632 | } | |
4354994f DR |
1633 | sbi->sb->s_flags |= SB_ACTIVE; |
1634 | ||
4354994f DR |
1635 | f2fs_update_time(sbi, DISABLE_TIME); |
1636 | ||
1637 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
fb24fea7 | 1638 | down_write(&sbi->gc_lock); |
4354994f | 1639 | err = f2fs_gc(sbi, true, false, NULL_SEGNO); |
812a9597 JK |
1640 | if (err == -ENODATA) { |
1641 | err = 0; | |
4354994f | 1642 | break; |
812a9597 | 1643 | } |
8f31b466 | 1644 | if (err && err != -EAGAIN) |
812a9597 | 1645 | break; |
4354994f | 1646 | } |
4354994f | 1647 | |
812a9597 JK |
1648 | ret = sync_filesystem(sbi->sb); |
1649 | if (ret || err) { | |
1650 | err = ret ? ret: err; | |
1651 | goto restore_flag; | |
1652 | } | |
4354994f | 1653 | |
4d3aed70 DR |
1654 | unusable = f2fs_get_unusable_blocks(sbi); |
1655 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1656 | err = -EAGAIN; |
1657 | goto restore_flag; | |
1658 | } | |
4354994f | 1659 | |
fb24fea7 | 1660 | down_write(&sbi->gc_lock); |
4354994f DR |
1661 | cpc.reason = CP_PAUSE; |
1662 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1663 | err = f2fs_write_checkpoint(sbi, &cpc); |
1664 | if (err) | |
1665 | goto out_unlock; | |
4354994f | 1666 | |
c9c8ed50 | 1667 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1668 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1669 | spin_unlock(&sbi->stat_lock); |
1670 | ||
896285ad | 1671 | out_unlock: |
fb24fea7 | 1672 | up_write(&sbi->gc_lock); |
812a9597 | 1673 | restore_flag: |
7a88ddb5 | 1674 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 1675 | return err; |
4354994f DR |
1676 | } |
1677 | ||
1678 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1679 | { | |
fb24fea7 | 1680 | down_write(&sbi->gc_lock); |
4354994f DR |
1681 | f2fs_dirty_to_prefree(sbi); |
1682 | ||
1683 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1684 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
fb24fea7 | 1685 | up_write(&sbi->gc_lock); |
4354994f DR |
1686 | |
1687 | f2fs_sync_fs(sbi->sb, 1); | |
1688 | } | |
1689 | ||
696c018c NJ |
1690 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1691 | { | |
1692 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1693 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1694 | unsigned long old_sb_flags; |
63189b78 | 1695 | int err; |
876dc59e GZ |
1696 | bool need_restart_gc = false; |
1697 | bool need_stop_gc = false; | |
9cd81ce3 | 1698 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f | 1699 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 1700 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
4354994f | 1701 | bool checkpoint_changed; |
4b2414d0 | 1702 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1703 | int i, j; |
1704 | #endif | |
696c018c NJ |
1705 | |
1706 | /* | |
1707 | * Save the old mount options in case we | |
1708 | * need to restore them. | |
1709 | */ | |
1710 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1711 | old_sb_flags = sb->s_flags; |
696c018c | 1712 | |
4b2414d0 | 1713 | #ifdef CONFIG_QUOTA |
63189b78 | 1714 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1715 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1716 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1717 | org_mount_opt.s_qf_names[i] = | |
1718 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1719 | GFP_KERNEL); | |
1720 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1721 | for (j = 0; j < i; j++) |
5222595d | 1722 | kvfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1723 | return -ENOMEM; |
1724 | } | |
1725 | } else { | |
63189b78 | 1726 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1727 | } |
1728 | } | |
1729 | #endif | |
1730 | ||
df728b0f | 1731 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1732 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1733 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1734 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1735 | err); | |
df728b0f JK |
1736 | if (!err) |
1737 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1738 | } | |
1739 | ||
498c5e9f | 1740 | default_options(sbi); |
26666c8a | 1741 | |
696c018c NJ |
1742 | /* parse mount options */ |
1743 | err = parse_options(sb, data); | |
1744 | if (err) | |
1745 | goto restore_opts; | |
4354994f DR |
1746 | checkpoint_changed = |
1747 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1748 | |
1749 | /* | |
1750 | * Previous and new state of filesystem is RO, | |
876dc59e | 1751 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 1752 | */ |
1751e8a6 | 1753 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
1754 | goto skip; |
1755 | ||
ea676733 | 1756 | #ifdef CONFIG_QUOTA |
1751e8a6 | 1757 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
1758 | err = dquot_suspend(sb, -1); |
1759 | if (err < 0) | |
1760 | goto restore_opts; | |
4354994f | 1761 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 1762 | /* dquot_resume needs RW */ |
1751e8a6 | 1763 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
1764 | if (sb_any_quota_suspended(sb)) { |
1765 | dquot_resume(sb, -1); | |
7beb01f7 | 1766 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
1767 | err = f2fs_enable_quotas(sb); |
1768 | if (err) | |
1769 | goto restore_opts; | |
1770 | } | |
0abd675e | 1771 | } |
ea676733 | 1772 | #endif |
9cd81ce3 CY |
1773 | /* disallow enable/disable extent_cache dynamically */ |
1774 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
1775 | err = -EINVAL; | |
dcbb4c10 | 1776 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
1777 | goto restore_opts; |
1778 | } | |
1779 | ||
1f78adfa CY |
1780 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
1781 | err = -EINVAL; | |
1782 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
1783 | goto restore_opts; | |
1784 | } | |
1785 | ||
4354994f DR |
1786 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
1787 | err = -EINVAL; | |
dcbb4c10 | 1788 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
1789 | goto restore_opts; |
1790 | } | |
1791 | ||
696c018c NJ |
1792 | /* |
1793 | * We stop the GC thread if FS is mounted as RO | |
1794 | * or if background_gc = off is passed in mount | |
1795 | * option. Also sync the filesystem. | |
1796 | */ | |
bbbc34fd CY |
1797 | if ((*flags & SB_RDONLY) || |
1798 | F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) { | |
696c018c | 1799 | if (sbi->gc_thread) { |
4d57b86d | 1800 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1801 | need_restart_gc = true; |
696c018c | 1802 | } |
aba291b3 | 1803 | } else if (!sbi->gc_thread) { |
4d57b86d | 1804 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
1805 | if (err) |
1806 | goto restore_opts; | |
876dc59e GZ |
1807 | need_stop_gc = true; |
1808 | } | |
1809 | ||
63189b78 CY |
1810 | if (*flags & SB_RDONLY || |
1811 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
1812 | writeback_inodes_sb(sb, WB_REASON_SYNC); |
1813 | sync_inodes_sb(sb); | |
1814 | ||
1815 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1816 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
1817 | f2fs_sync_fs(sb, 1); | |
1818 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
1819 | } | |
1820 | ||
4354994f DR |
1821 | if (checkpoint_changed) { |
1822 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
1823 | err = f2fs_disable_checkpoint(sbi); | |
1824 | if (err) | |
1825 | goto restore_gc; | |
1826 | } else { | |
1827 | f2fs_enable_checkpoint(sbi); | |
1828 | } | |
1829 | } | |
1830 | ||
876dc59e GZ |
1831 | /* |
1832 | * We stop issue flush thread if FS is mounted as RO | |
1833 | * or if flush_merge is not passed in mount option. | |
1834 | */ | |
1751e8a6 | 1835 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 1836 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 1837 | f2fs_destroy_flush_cmd_control(sbi, false); |
5eba8c5d | 1838 | } else { |
4d57b86d | 1839 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 1840 | if (err) |
a688b9d9 | 1841 | goto restore_gc; |
696c018c NJ |
1842 | } |
1843 | skip: | |
4b2414d0 CY |
1844 | #ifdef CONFIG_QUOTA |
1845 | /* Release old quota file names */ | |
1846 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1847 | kvfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 1848 | #endif |
696c018c | 1849 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
1850 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
1851 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 1852 | |
7e65be49 | 1853 | limit_reserve_root(sbi); |
1ae18f71 | 1854 | adjust_unusable_cap_perc(sbi); |
095680f2 | 1855 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 1856 | return 0; |
876dc59e GZ |
1857 | restore_gc: |
1858 | if (need_restart_gc) { | |
4d57b86d | 1859 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 1860 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 1861 | } else if (need_stop_gc) { |
4d57b86d | 1862 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1863 | } |
696c018c | 1864 | restore_opts: |
4b2414d0 | 1865 | #ifdef CONFIG_QUOTA |
63189b78 | 1866 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 1867 | for (i = 0; i < MAXQUOTAS; i++) { |
5222595d | 1868 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 1869 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
1870 | } |
1871 | #endif | |
696c018c | 1872 | sbi->mount_opt = org_mount_opt; |
0abd675e | 1873 | sb->s_flags = old_sb_flags; |
696c018c NJ |
1874 | return err; |
1875 | } | |
1876 | ||
0abd675e CY |
1877 | #ifdef CONFIG_QUOTA |
1878 | /* Read data from quotafile */ | |
1879 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
1880 | size_t len, loff_t off) | |
1881 | { | |
1882 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1883 | struct address_space *mapping = inode->i_mapping; | |
1884 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
1885 | int offset = off & (sb->s_blocksize - 1); | |
1886 | int tocopy; | |
1887 | size_t toread; | |
1888 | loff_t i_size = i_size_read(inode); | |
1889 | struct page *page; | |
1890 | char *kaddr; | |
1891 | ||
1892 | if (off > i_size) | |
1893 | return 0; | |
1894 | ||
1895 | if (off + len > i_size) | |
1896 | len = i_size - off; | |
1897 | toread = len; | |
1898 | while (toread > 0) { | |
1899 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
1900 | repeat: | |
02117b8a | 1901 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
1902 | if (IS_ERR(page)) { |
1903 | if (PTR_ERR(page) == -ENOMEM) { | |
5df7731f CY |
1904 | congestion_wait(BLK_RW_ASYNC, |
1905 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
1906 | goto repeat; |
1907 | } | |
af033b2a | 1908 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1909 | return PTR_ERR(page); |
4e46a023 | 1910 | } |
0abd675e CY |
1911 | |
1912 | lock_page(page); | |
1913 | ||
1914 | if (unlikely(page->mapping != mapping)) { | |
1915 | f2fs_put_page(page, 1); | |
1916 | goto repeat; | |
1917 | } | |
1918 | if (unlikely(!PageUptodate(page))) { | |
1919 | f2fs_put_page(page, 1); | |
af033b2a | 1920 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
1921 | return -EIO; |
1922 | } | |
1923 | ||
1924 | kaddr = kmap_atomic(page); | |
1925 | memcpy(data, kaddr + offset, tocopy); | |
1926 | kunmap_atomic(kaddr); | |
1927 | f2fs_put_page(page, 1); | |
1928 | ||
1929 | offset = 0; | |
1930 | toread -= tocopy; | |
1931 | data += tocopy; | |
1932 | blkidx++; | |
1933 | } | |
1934 | return len; | |
1935 | } | |
1936 | ||
1937 | /* Write to quotafile */ | |
1938 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
1939 | const char *data, size_t len, loff_t off) | |
1940 | { | |
1941 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1942 | struct address_space *mapping = inode->i_mapping; | |
1943 | const struct address_space_operations *a_ops = mapping->a_ops; | |
1944 | int offset = off & (sb->s_blocksize - 1); | |
1945 | size_t towrite = len; | |
1946 | struct page *page; | |
62f63eea | 1947 | void *fsdata = NULL; |
0abd675e CY |
1948 | char *kaddr; |
1949 | int err = 0; | |
1950 | int tocopy; | |
1951 | ||
1952 | while (towrite > 0) { | |
1953 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
1954 | towrite); | |
4e46a023 | 1955 | retry: |
0abd675e | 1956 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
62f63eea | 1957 | &page, &fsdata); |
4e46a023 JK |
1958 | if (unlikely(err)) { |
1959 | if (err == -ENOMEM) { | |
5df7731f CY |
1960 | congestion_wait(BLK_RW_ASYNC, |
1961 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
1962 | goto retry; |
1963 | } | |
af033b2a | 1964 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1965 | break; |
4e46a023 | 1966 | } |
0abd675e CY |
1967 | |
1968 | kaddr = kmap_atomic(page); | |
1969 | memcpy(kaddr + offset, data, tocopy); | |
1970 | kunmap_atomic(kaddr); | |
1971 | flush_dcache_page(page); | |
1972 | ||
1973 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 1974 | page, fsdata); |
0abd675e CY |
1975 | offset = 0; |
1976 | towrite -= tocopy; | |
1977 | off += tocopy; | |
1978 | data += tocopy; | |
1979 | cond_resched(); | |
1980 | } | |
1981 | ||
1982 | if (len == towrite) | |
6e5b5d41 | 1983 | return err; |
0abd675e CY |
1984 | inode->i_mtime = inode->i_ctime = current_time(inode); |
1985 | f2fs_mark_inode_dirty_sync(inode, false); | |
1986 | return len - towrite; | |
1987 | } | |
1988 | ||
1989 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
1990 | { | |
1991 | return F2FS_I(inode)->i_dquot; | |
1992 | } | |
1993 | ||
1994 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
1995 | { | |
1996 | return &F2FS_I(inode)->i_reserved_quota; | |
1997 | } | |
1998 | ||
4b2414d0 CY |
1999 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2000 | { | |
af033b2a | 2001 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2002 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2003 | return 0; |
2004 | } | |
2005 | ||
63189b78 CY |
2006 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2007 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2008 | } |
2009 | ||
ea676733 | 2010 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2011 | { |
ea676733 JK |
2012 | int enabled = 0; |
2013 | int i, err; | |
2014 | ||
7beb01f7 | 2015 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2016 | err = f2fs_enable_quotas(sbi->sb); |
2017 | if (err) { | |
dcbb4c10 | 2018 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2019 | return 0; |
2020 | } | |
2021 | return 1; | |
2022 | } | |
4b2414d0 CY |
2023 | |
2024 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2025 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2026 | err = f2fs_quota_on_mount(sbi, i); |
2027 | if (!err) { | |
2028 | enabled = 1; | |
2029 | continue; | |
2030 | } | |
dcbb4c10 JP |
2031 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2032 | err, i); | |
4b2414d0 CY |
2033 | } |
2034 | } | |
ea676733 JK |
2035 | return enabled; |
2036 | } | |
2037 | ||
2038 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2039 | unsigned int flags) | |
2040 | { | |
2041 | struct inode *qf_inode; | |
2042 | unsigned long qf_inum; | |
2043 | int err; | |
2044 | ||
7beb01f7 | 2045 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2046 | |
2047 | qf_inum = f2fs_qf_ino(sb, type); | |
2048 | if (!qf_inum) | |
2049 | return -EPERM; | |
2050 | ||
2051 | qf_inode = f2fs_iget(sb, qf_inum); | |
2052 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2053 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2054 | return PTR_ERR(qf_inode); |
2055 | } | |
2056 | ||
2057 | /* Don't account quota for quota files to avoid recursion */ | |
2058 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2059 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2060 | iput(qf_inode); |
2061 | return err; | |
2062 | } | |
2063 | ||
2064 | static int f2fs_enable_quotas(struct super_block *sb) | |
2065 | { | |
dcbb4c10 | 2066 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2067 | int type, err = 0; |
2068 | unsigned long qf_inum; | |
2069 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2070 | test_opt(sbi, USRQUOTA), |
2071 | test_opt(sbi, GRPQUOTA), | |
2072 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2073 | }; |
2074 | ||
af033b2a | 2075 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2076 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2077 | return 0; |
2078 | } | |
2079 | ||
2080 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2081 | ||
ea676733 JK |
2082 | for (type = 0; type < MAXQUOTAS; type++) { |
2083 | qf_inum = f2fs_qf_ino(sb, type); | |
2084 | if (qf_inum) { | |
2085 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2086 | DQUOT_USAGE_ENABLED | | |
2087 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2088 | if (err) { | |
dcbb4c10 JP |
2089 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2090 | type, err); | |
ea676733 JK |
2091 | for (type--; type >= 0; type--) |
2092 | dquot_quota_off(sb, type); | |
af033b2a CY |
2093 | set_sbi_flag(F2FS_SB(sb), |
2094 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2095 | return err; |
2096 | } | |
4b2414d0 CY |
2097 | } |
2098 | } | |
ea676733 | 2099 | return 0; |
4b2414d0 CY |
2100 | } |
2101 | ||
af033b2a | 2102 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2103 | { |
af033b2a | 2104 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2105 | struct quota_info *dqopt = sb_dqopt(sb); |
2106 | int cnt; | |
2107 | int ret; | |
2108 | ||
db6ec53b JK |
2109 | /* |
2110 | * do_quotactl | |
2111 | * f2fs_quota_sync | |
2112 | * down_read(quota_sem) | |
2113 | * dquot_writeback_dquots() | |
2114 | * f2fs_dquot_commit | |
2115 | * block_operation | |
2116 | * down_read(quota_sem) | |
2117 | */ | |
2118 | f2fs_lock_op(sbi); | |
2119 | ||
2120 | down_read(&sbi->quota_sem); | |
0abd675e CY |
2121 | ret = dquot_writeback_dquots(sb, type); |
2122 | if (ret) | |
af033b2a | 2123 | goto out; |
0abd675e CY |
2124 | |
2125 | /* | |
2126 | * Now when everything is written we can discard the pagecache so | |
2127 | * that userspace sees the changes. | |
2128 | */ | |
2129 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
2130 | struct address_space *mapping; |
2131 | ||
0abd675e CY |
2132 | if (type != -1 && cnt != type) |
2133 | continue; | |
2134 | if (!sb_has_quota_active(sb, cnt)) | |
2135 | continue; | |
2136 | ||
af033b2a CY |
2137 | mapping = dqopt->files[cnt]->i_mapping; |
2138 | ||
2139 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 2140 | if (ret) |
af033b2a CY |
2141 | goto out; |
2142 | ||
2143 | /* if we are using journalled quota */ | |
2144 | if (is_journalled_quota(sbi)) | |
2145 | continue; | |
2146 | ||
2147 | ret = filemap_fdatawait(mapping); | |
2148 | if (ret) | |
2149 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
2150 | |
2151 | inode_lock(dqopt->files[cnt]); | |
2152 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
2153 | inode_unlock(dqopt->files[cnt]); | |
2154 | } | |
af033b2a CY |
2155 | out: |
2156 | if (ret) | |
2157 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
2158 | up_read(&sbi->quota_sem); |
2159 | f2fs_unlock_op(sbi); | |
af033b2a | 2160 | return ret; |
0abd675e CY |
2161 | } |
2162 | ||
2163 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2164 | const struct path *path) | |
2165 | { | |
2166 | struct inode *inode; | |
2167 | int err; | |
2168 | ||
fe973b06 CY |
2169 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2170 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2171 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2172 | return -EBUSY; | |
2173 | } | |
2174 | ||
9a20d391 | 2175 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2176 | if (err) |
2177 | return err; | |
2178 | ||
2179 | err = dquot_quota_on(sb, type, format_id, path); | |
2180 | if (err) | |
2181 | return err; | |
2182 | ||
2183 | inode = d_inode(path->dentry); | |
2184 | ||
2185 | inode_lock(inode); | |
59c84408 | 2186 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2187 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2188 | inode_unlock(inode); |
2189 | f2fs_mark_inode_dirty_sync(inode, false); | |
2190 | ||
2191 | return 0; | |
2192 | } | |
2193 | ||
fe973b06 | 2194 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2195 | { |
2196 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2197 | int err; | |
2198 | ||
2199 | if (!inode || !igrab(inode)) | |
2200 | return dquot_quota_off(sb, type); | |
2201 | ||
cda9cc59 YH |
2202 | err = f2fs_quota_sync(sb, type); |
2203 | if (err) | |
2204 | goto out_put; | |
0abd675e CY |
2205 | |
2206 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2207 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2208 | goto out_put; |
2209 | ||
2210 | inode_lock(inode); | |
59c84408 | 2211 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2212 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2213 | inode_unlock(inode); |
2214 | f2fs_mark_inode_dirty_sync(inode, false); | |
2215 | out_put: | |
2216 | iput(inode); | |
2217 | return err; | |
2218 | } | |
2219 | ||
fe973b06 CY |
2220 | static int f2fs_quota_off(struct super_block *sb, int type) |
2221 | { | |
2222 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2223 | int err; | |
2224 | ||
2225 | err = __f2fs_quota_off(sb, type); | |
2226 | ||
2227 | /* | |
2228 | * quotactl can shutdown journalled quota, result in inconsistence | |
2229 | * between quota record and fs data by following updates, tag the | |
2230 | * flag to let fsck be aware of it. | |
2231 | */ | |
2232 | if (is_journalled_quota(sbi)) | |
2233 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2234 | return err; | |
2235 | } | |
2236 | ||
4b2414d0 | 2237 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2238 | { |
2239 | int type; | |
cda9cc59 YH |
2240 | int err; |
2241 | ||
2242 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2243 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2244 | if (err) { |
2245 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2246 | |
dcbb4c10 JP |
2247 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2248 | type, err, ret); | |
af033b2a | 2249 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2250 | } |
2251 | } | |
0e0667b6 JK |
2252 | /* |
2253 | * In case of checkpoint=disable, we must flush quota blocks. | |
2254 | * This can cause NULL exception for node_inode in end_io, since | |
2255 | * put_super already dropped it. | |
2256 | */ | |
2257 | sync_filesystem(sb); | |
0abd675e CY |
2258 | } |
2259 | ||
26b5a079 SY |
2260 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2261 | { | |
2262 | struct quota_info *dqopt = sb_dqopt(sb); | |
2263 | int type; | |
2264 | ||
2265 | for (type = 0; type < MAXQUOTAS; type++) { | |
2266 | if (!dqopt->files[type]) | |
2267 | continue; | |
2268 | f2fs_inode_synced(dqopt->files[type]); | |
2269 | } | |
2270 | } | |
2271 | ||
af033b2a CY |
2272 | static int f2fs_dquot_commit(struct dquot *dquot) |
2273 | { | |
db6ec53b | 2274 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2275 | int ret; |
2276 | ||
2c4e0c52 | 2277 | down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2278 | ret = dquot_commit(dquot); |
2279 | if (ret < 0) | |
db6ec53b JK |
2280 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2281 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2282 | return ret; |
2283 | } | |
2284 | ||
2285 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2286 | { | |
db6ec53b | 2287 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2288 | int ret; |
2289 | ||
db6ec53b | 2290 | down_read(&sbi->quota_sem); |
af033b2a CY |
2291 | ret = dquot_acquire(dquot); |
2292 | if (ret < 0) | |
db6ec53b JK |
2293 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2294 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2295 | return ret; |
2296 | } | |
2297 | ||
2298 | static int f2fs_dquot_release(struct dquot *dquot) | |
2299 | { | |
db6ec53b | 2300 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2301 | int ret = dquot_release(dquot); |
af033b2a | 2302 | |
af033b2a | 2303 | if (ret < 0) |
db6ec53b | 2304 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2305 | return ret; |
2306 | } | |
2307 | ||
2308 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2309 | { | |
2310 | struct super_block *sb = dquot->dq_sb; | |
2311 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2312 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2313 | |
2314 | /* if we are using journalled quota */ | |
2315 | if (is_journalled_quota(sbi)) | |
2316 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2317 | ||
2318 | return ret; | |
2319 | } | |
2320 | ||
2321 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2322 | { | |
db6ec53b | 2323 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2324 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2325 | |
af033b2a | 2326 | if (ret < 0) |
db6ec53b | 2327 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2328 | return ret; |
2329 | } | |
26b5a079 | 2330 | |
94b1e10e | 2331 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2332 | { |
2333 | *projid = F2FS_I(inode)->i_projid; | |
2334 | return 0; | |
2335 | } | |
2336 | ||
0abd675e CY |
2337 | static const struct dquot_operations f2fs_quota_operations = { |
2338 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2339 | .write_dquot = f2fs_dquot_commit, |
2340 | .acquire_dquot = f2fs_dquot_acquire, | |
2341 | .release_dquot = f2fs_dquot_release, | |
2342 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2343 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2344 | .alloc_dquot = dquot_alloc, |
2345 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2346 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2347 | .get_next_id = dquot_get_next_id, |
2348 | }; | |
2349 | ||
2350 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2351 | .quota_on = f2fs_quota_on, | |
2352 | .quota_off = f2fs_quota_off, | |
2353 | .quota_sync = f2fs_quota_sync, | |
2354 | .get_state = dquot_get_state, | |
2355 | .set_info = dquot_set_dqinfo, | |
2356 | .get_dqblk = dquot_get_dqblk, | |
2357 | .set_dqblk = dquot_set_dqblk, | |
2358 | .get_nextdqblk = dquot_get_next_dqblk, | |
2359 | }; | |
2360 | #else | |
af033b2a CY |
2361 | int f2fs_quota_sync(struct super_block *sb, int type) |
2362 | { | |
2363 | return 0; | |
2364 | } | |
2365 | ||
4b2414d0 | 2366 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2367 | { |
2368 | } | |
2369 | #endif | |
2370 | ||
f62fc9f9 | 2371 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2372 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2373 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2374 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2375 | .write_inode = f2fs_write_inode, |
b3783873 | 2376 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2377 | .show_options = f2fs_show_options, |
0abd675e CY |
2378 | #ifdef CONFIG_QUOTA |
2379 | .quota_read = f2fs_quota_read, | |
2380 | .quota_write = f2fs_quota_write, | |
2381 | .get_dquots = f2fs_get_dquots, | |
2382 | #endif | |
aff063e2 JK |
2383 | .evict_inode = f2fs_evict_inode, |
2384 | .put_super = f2fs_put_super, | |
2385 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2386 | .freeze_fs = f2fs_freeze, |
2387 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2388 | .statfs = f2fs_statfs, |
696c018c | 2389 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2390 | }; |
2391 | ||
643fa961 | 2392 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2393 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2394 | { | |
2395 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2396 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2397 | ctx, len, NULL); | |
2398 | } | |
2399 | ||
2400 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2401 | void *fs_data) | |
2402 | { | |
b7c409de SY |
2403 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2404 | ||
2405 | /* | |
2406 | * Encrypting the root directory is not allowed because fsck | |
2407 | * expects lost+found directory to exist and remain unencrypted | |
2408 | * if LOST_FOUND feature is enabled. | |
2409 | * | |
2410 | */ | |
7beb01f7 | 2411 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2412 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2413 | return -EPERM; | |
2414 | ||
0b81d077 JK |
2415 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2416 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2417 | ctx, len, fs_data, XATTR_CREATE); | |
2418 | } | |
2419 | ||
ff62af20 SY |
2420 | static bool f2fs_dummy_context(struct inode *inode) |
2421 | { | |
2422 | return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode)); | |
2423 | } | |
2424 | ||
0eee17e3 EB |
2425 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
2426 | { | |
2427 | return true; | |
2428 | } | |
2429 | ||
2430 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
2431 | int *ino_bits_ret, int *lblk_bits_ret) | |
2432 | { | |
2433 | *ino_bits_ret = 8 * sizeof(nid_t); | |
2434 | *lblk_bits_ret = 8 * sizeof(block_t); | |
2435 | } | |
2436 | ||
6f69f0ed | 2437 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
2438 | .key_prefix = "f2fs:", |
2439 | .get_context = f2fs_get_context, | |
2440 | .set_context = f2fs_set_context, | |
2441 | .dummy_context = f2fs_dummy_context, | |
2442 | .empty_dir = f2fs_empty_dir, | |
2443 | .max_namelen = F2FS_NAME_LEN, | |
2444 | .has_stable_inodes = f2fs_has_stable_inodes, | |
2445 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
0b81d077 | 2446 | }; |
0b81d077 JK |
2447 | #endif |
2448 | ||
aff063e2 JK |
2449 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2450 | u64 ino, u32 generation) | |
2451 | { | |
2452 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2453 | struct inode *inode; | |
2454 | ||
4d57b86d | 2455 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2456 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2457 | |
2458 | /* | |
2459 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2460 | * However f2fs_iget currently does appropriate checks to handle stale | |
2461 | * inodes so everything is OK. | |
2462 | */ | |
2463 | inode = f2fs_iget(sb, ino); | |
2464 | if (IS_ERR(inode)) | |
2465 | return ERR_CAST(inode); | |
6bacf52f | 2466 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2467 | /* we didn't find the right inode.. */ |
2468 | iput(inode); | |
2469 | return ERR_PTR(-ESTALE); | |
2470 | } | |
2471 | return inode; | |
2472 | } | |
2473 | ||
2474 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2475 | int fh_len, int fh_type) | |
2476 | { | |
2477 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2478 | f2fs_nfs_get_inode); | |
2479 | } | |
2480 | ||
2481 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2482 | int fh_len, int fh_type) | |
2483 | { | |
2484 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2485 | f2fs_nfs_get_inode); | |
2486 | } | |
2487 | ||
2488 | static const struct export_operations f2fs_export_ops = { | |
2489 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2490 | .fh_to_parent = f2fs_fh_to_parent, | |
2491 | .get_parent = f2fs_get_parent, | |
2492 | }; | |
2493 | ||
e0afc4d6 | 2494 | static loff_t max_file_blocks(void) |
aff063e2 | 2495 | { |
7a2af766 | 2496 | loff_t result = 0; |
d02a6e61 | 2497 | loff_t leaf_count = DEF_ADDRS_PER_BLOCK; |
aff063e2 | 2498 | |
7a2af766 CY |
2499 | /* |
2500 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2501 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2502 | * space in inode.i_addr, it will be more safe to reassign |
2503 | * result as zero. | |
2504 | */ | |
2505 | ||
aff063e2 JK |
2506 | /* two direct node blocks */ |
2507 | result += (leaf_count * 2); | |
2508 | ||
2509 | /* two indirect node blocks */ | |
2510 | leaf_count *= NIDS_PER_BLOCK; | |
2511 | result += (leaf_count * 2); | |
2512 | ||
2513 | /* one double indirect node block */ | |
2514 | leaf_count *= NIDS_PER_BLOCK; | |
2515 | result += leaf_count; | |
2516 | ||
aff063e2 JK |
2517 | return result; |
2518 | } | |
2519 | ||
fd694733 JK |
2520 | static int __f2fs_commit_super(struct buffer_head *bh, |
2521 | struct f2fs_super_block *super) | |
2522 | { | |
2523 | lock_buffer(bh); | |
2524 | if (super) | |
2525 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2526 | set_buffer_dirty(bh); |
2527 | unlock_buffer(bh); | |
2528 | ||
2529 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2530 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2531 | } |
2532 | ||
df728b0f | 2533 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2534 | struct buffer_head *bh) |
9a59b62f | 2535 | { |
fd694733 JK |
2536 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2537 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2538 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2539 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2540 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2541 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2542 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2543 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2544 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2545 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2546 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2547 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2548 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2549 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2550 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2551 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2552 | u64 main_end_blkaddr = main_blkaddr + |
2553 | (segment_count_main << log_blocks_per_seg); | |
2554 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2555 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2556 | |
2557 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2558 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2559 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2560 | return true; |
2561 | } | |
2562 | ||
2563 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2564 | sit_blkaddr) { | |
dcbb4c10 JP |
2565 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2566 | cp_blkaddr, sit_blkaddr, | |
2567 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2568 | return true; |
2569 | } | |
2570 | ||
2571 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2572 | nat_blkaddr) { | |
dcbb4c10 JP |
2573 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2574 | sit_blkaddr, nat_blkaddr, | |
2575 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2576 | return true; |
2577 | } | |
2578 | ||
2579 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2580 | ssa_blkaddr) { | |
dcbb4c10 JP |
2581 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2582 | nat_blkaddr, ssa_blkaddr, | |
2583 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2584 | return true; |
2585 | } | |
2586 | ||
2587 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2588 | main_blkaddr) { | |
dcbb4c10 JP |
2589 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2590 | ssa_blkaddr, main_blkaddr, | |
2591 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2592 | return true; |
2593 | } | |
2594 | ||
fd694733 | 2595 | if (main_end_blkaddr > seg_end_blkaddr) { |
dcbb4c10 JP |
2596 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", |
2597 | main_blkaddr, | |
2598 | segment0_blkaddr + | |
2599 | (segment_count << log_blocks_per_seg), | |
2600 | segment_count_main << log_blocks_per_seg); | |
9a59b62f | 2601 | return true; |
fd694733 JK |
2602 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2603 | int err = 0; | |
2604 | char *res; | |
2605 | ||
2606 | /* fix in-memory information all the time */ | |
2607 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2608 | segment0_blkaddr) >> log_blocks_per_seg); | |
2609 | ||
2610 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2611 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2612 | res = "internally"; |
2613 | } else { | |
2614 | err = __f2fs_commit_super(bh, NULL); | |
2615 | res = err ? "failed" : "done"; | |
2616 | } | |
dcbb4c10 JP |
2617 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)", |
2618 | res, main_blkaddr, | |
2619 | segment0_blkaddr + | |
2620 | (segment_count << log_blocks_per_seg), | |
2621 | segment_count_main << log_blocks_per_seg); | |
fd694733 JK |
2622 | if (err) |
2623 | return true; | |
9a59b62f | 2624 | } |
9a59b62f CY |
2625 | return false; |
2626 | } | |
2627 | ||
df728b0f | 2628 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2629 | struct buffer_head *bh) |
aff063e2 | 2630 | { |
0cfe75c5 JK |
2631 | block_t segment_count, segs_per_sec, secs_per_zone; |
2632 | block_t total_sections, blocks_per_seg; | |
fd694733 JK |
2633 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2634 | (bh->b_data + F2FS_SUPER_OFFSET); | |
aff063e2 | 2635 | unsigned int blocksize; |
d440c52d JZ |
2636 | size_t crc_offset = 0; |
2637 | __u32 crc = 0; | |
2638 | ||
38fb6d0e IZ |
2639 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2640 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2641 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2642 | return -EINVAL; | |
2643 | } | |
2644 | ||
d440c52d | 2645 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2646 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2647 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2648 | if (crc_offset != | |
2649 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2650 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2651 | crc_offset); | |
38fb6d0e | 2652 | return -EFSCORRUPTED; |
d440c52d JZ |
2653 | } |
2654 | crc = le32_to_cpu(raw_super->crc); | |
2655 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2656 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2657 | return -EFSCORRUPTED; |
d440c52d JZ |
2658 | } |
2659 | } | |
aff063e2 | 2660 | |
5c9b4692 | 2661 | /* Currently, support only 4KB page cache size */ |
09cbfeaf | 2662 | if (F2FS_BLKSIZE != PAGE_SIZE) { |
dcbb4c10 JP |
2663 | f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", |
2664 | PAGE_SIZE); | |
38fb6d0e | 2665 | return -EFSCORRUPTED; |
5c9b4692 | 2666 | } |
2667 | ||
aff063e2 JK |
2668 | /* Currently, support only 4KB block size */ |
2669 | blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); | |
5c9b4692 | 2670 | if (blocksize != F2FS_BLKSIZE) { |
dcbb4c10 JP |
2671 | f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", |
2672 | blocksize); | |
38fb6d0e | 2673 | return -EFSCORRUPTED; |
a07ef784 | 2674 | } |
5c9b4692 | 2675 | |
9a59b62f CY |
2676 | /* check log blocks per segment */ |
2677 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2678 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2679 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2680 | return -EFSCORRUPTED; |
9a59b62f CY |
2681 | } |
2682 | ||
55cf9cb6 CY |
2683 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2684 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2685 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2686 | le32_to_cpu(raw_super->log_sectorsize) < | |
2687 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2688 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2689 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2690 | return -EFSCORRUPTED; |
a07ef784 | 2691 | } |
55cf9cb6 CY |
2692 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2693 | le32_to_cpu(raw_super->log_sectorsize) != | |
2694 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2695 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
2696 | le32_to_cpu(raw_super->log_sectors_per_block), | |
2697 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2698 | return -EFSCORRUPTED; |
a07ef784 | 2699 | } |
9a59b62f | 2700 | |
0cfe75c5 JK |
2701 | segment_count = le32_to_cpu(raw_super->segment_count); |
2702 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2703 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2704 | total_sections = le32_to_cpu(raw_super->section_count); | |
2705 | ||
2706 | /* blocks_per_seg should be 512, given the above check */ | |
2707 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
2708 | ||
2709 | if (segment_count > F2FS_MAX_SEGMENT || | |
2710 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 2711 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 2712 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2713 | } |
2714 | ||
2715 | if (total_sections > segment_count || | |
2716 | total_sections < F2FS_MIN_SEGMENTS || | |
2717 | segs_per_sec > segment_count || !segs_per_sec) { | |
dcbb4c10 JP |
2718 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
2719 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 2720 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2721 | } |
2722 | ||
2723 | if ((segment_count / segs_per_sec) < total_sections) { | |
dcbb4c10 JP |
2724 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
2725 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 2726 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2727 | } |
2728 | ||
88960068 | 2729 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
2730 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
2731 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 2732 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2733 | } |
2734 | ||
9f701f6c QS |
2735 | if (RDEV(0).path[0]) { |
2736 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
2737 | int i = 1; | |
2738 | ||
2739 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
2740 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
2741 | i++; | |
2742 | } | |
2743 | if (segment_count != dev_seg_count) { | |
2744 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
2745 | segment_count, dev_seg_count); | |
2746 | return -EFSCORRUPTED; | |
2747 | } | |
2748 | } | |
2749 | ||
42bf546c | 2750 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
2751 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
2752 | secs_per_zone, total_sections); | |
38fb6d0e | 2753 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2754 | } |
2755 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
2756 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
2757 | (le32_to_cpu(raw_super->extension_count) + | |
2758 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
2759 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
2760 | le32_to_cpu(raw_super->extension_count), | |
2761 | raw_super->hot_ext_count, | |
2762 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 2763 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2764 | } |
2765 | ||
2766 | if (le32_to_cpu(raw_super->cp_payload) > | |
2767 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
2768 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
2769 | le32_to_cpu(raw_super->cp_payload), | |
2770 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 2771 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2772 | } |
2773 | ||
9a59b62f CY |
2774 | /* check reserved ino info */ |
2775 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
2776 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
2777 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
2778 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
2779 | le32_to_cpu(raw_super->node_ino), | |
2780 | le32_to_cpu(raw_super->meta_ino), | |
2781 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 2782 | return -EFSCORRUPTED; |
9a59b62f CY |
2783 | } |
2784 | ||
2785 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 2786 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 2787 | return -EFSCORRUPTED; |
9a59b62f | 2788 | |
aff063e2 JK |
2789 | return 0; |
2790 | } | |
2791 | ||
4d57b86d | 2792 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
2793 | { |
2794 | unsigned int total, fsmeta; | |
577e3495 JK |
2795 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
2796 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 2797 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 2798 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
2799 | unsigned int sit_segs, nat_segs; |
2800 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
2801 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 2802 | unsigned int segment_count_main; |
e494c2f9 | 2803 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
2804 | block_t user_block_count, valid_user_blocks; |
2805 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 2806 | int i, j; |
aff063e2 JK |
2807 | |
2808 | total = le32_to_cpu(raw_super->segment_count); | |
2809 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
2810 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
2811 | fsmeta += sit_segs; | |
2812 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
2813 | fsmeta += nat_segs; | |
aff063e2 JK |
2814 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
2815 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
2816 | ||
6bacf52f | 2817 | if (unlikely(fsmeta >= total)) |
aff063e2 | 2818 | return 1; |
577e3495 | 2819 | |
2040fce8 JK |
2820 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
2821 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
2822 | ||
2823 | if (unlikely(fsmeta < F2FS_MIN_SEGMENTS || | |
2824 | ovp_segments == 0 || reserved_segments == 0)) { | |
dcbb4c10 | 2825 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
2826 | return 1; |
2827 | } | |
2828 | ||
9dc956b2 CY |
2829 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
2830 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2831 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2832 | if (!user_block_count || user_block_count >= | |
2833 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
2834 | f2fs_err(sbi, "Wrong user_block_count: %u", |
2835 | user_block_count); | |
9dc956b2 CY |
2836 | return 1; |
2837 | } | |
2838 | ||
7b63f72f CY |
2839 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
2840 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
2841 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
2842 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
2843 | return 1; |
2844 | } | |
2845 | ||
2846 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 2847 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 2848 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
2849 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
2850 | valid_node_count, avail_node_count); | |
7b63f72f CY |
2851 | return 1; |
2852 | } | |
2853 | ||
15d3042a JQ |
2854 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
2855 | blocks_per_seg = sbi->blocks_per_seg; | |
2856 | ||
2857 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2858 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
2859 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
2860 | return 1; | |
042be0f8 CY |
2861 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
2862 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2863 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
2864 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
2865 | i, j, | |
2866 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2867 | return 1; |
2868 | } | |
2869 | } | |
15d3042a JQ |
2870 | } |
2871 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
2872 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
2873 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
2874 | return 1; | |
042be0f8 CY |
2875 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
2876 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
2877 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
2878 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
2879 | i, j, | |
2880 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
2881 | return 1; |
2882 | } | |
2883 | } | |
2884 | } | |
2885 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 2886 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
2887 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
2888 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 2889 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
2890 | i, j, |
2891 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2892 | return 1; |
2893 | } | |
2894 | } | |
15d3042a JQ |
2895 | } |
2896 | ||
c77ec61c CY |
2897 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
2898 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
2899 | |
2900 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
2901 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
2902 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
2903 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
2904 | return 1; |
2905 | } | |
e494c2f9 CY |
2906 | |
2907 | cp_pack_start_sum = __start_sum_addr(sbi); | |
2908 | cp_payload = __cp_payload(sbi); | |
2909 | if (cp_pack_start_sum < cp_payload + 1 || | |
2910 | cp_pack_start_sum > blocks_per_seg - 1 - | |
2911 | NR_CURSEG_TYPE) { | |
dcbb4c10 JP |
2912 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
2913 | cp_pack_start_sum); | |
e494c2f9 CY |
2914 | return 1; |
2915 | } | |
c77ec61c | 2916 | |
5dae2d39 CY |
2917 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
2918 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
2919 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
2920 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
2921 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 2922 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
2923 | return 1; |
2924 | } | |
2925 | ||
1e968fdf | 2926 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 2927 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
2928 | return 1; |
2929 | } | |
aff063e2 JK |
2930 | return 0; |
2931 | } | |
2932 | ||
2933 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
2934 | { | |
2935 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 2936 | int i; |
aff063e2 JK |
2937 | |
2938 | sbi->log_sectors_per_block = | |
2939 | le32_to_cpu(raw_super->log_sectors_per_block); | |
2940 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
2941 | sbi->blocksize = 1 << sbi->log_blocksize; | |
2942 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2943 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
2944 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2945 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2946 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
2947 | sbi->total_node_count = | |
2948 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
2949 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
2950 | sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); | |
2951 | sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); | |
2952 | sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 2953 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
2954 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
2955 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 2956 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 2957 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 2958 | |
ab9fa662 | 2959 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 2960 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 2961 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
2962 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
2963 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 2964 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
2965 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
2966 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 2967 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 2968 | |
35782b23 JK |
2969 | for (i = 0; i < NR_COUNT_TYPE; i++) |
2970 | atomic_set(&sbi->nr_pages[i], 0); | |
2971 | ||
c29fd0c0 CY |
2972 | for (i = 0; i < META; i++) |
2973 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 2974 | |
2658e50d JK |
2975 | INIT_LIST_HEAD(&sbi->s_list); |
2976 | mutex_init(&sbi->umount_mutex); | |
107a805d | 2977 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 2978 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
2979 | |
2980 | sbi->dirty_device = 0; | |
2981 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 2982 | |
846ae671 | 2983 | init_rwsem(&sbi->sb_lock); |
f5a53edc | 2984 | init_rwsem(&sbi->pin_sem); |
aff063e2 JK |
2985 | } |
2986 | ||
523be8a6 JK |
2987 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
2988 | { | |
35782b23 | 2989 | int err; |
41382ec4 | 2990 | |
513c5f37 JK |
2991 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
2992 | if (err) | |
2993 | return err; | |
2994 | ||
4a70e255 | 2995 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 2996 | GFP_KERNEL); |
4a70e255 CY |
2997 | if (err) |
2998 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
2999 | ||
3000 | return err; | |
523be8a6 JK |
3001 | } |
3002 | ||
178053e2 | 3003 | #ifdef CONFIG_BLK_DEV_ZONED |
d4100351 CH |
3004 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
3005 | void *data) | |
3006 | { | |
3007 | struct f2fs_dev_info *dev = data; | |
3008 | ||
3009 | if (zone->type != BLK_ZONE_TYPE_CONVENTIONAL) | |
3010 | set_bit(idx, dev->blkz_seq); | |
3011 | return 0; | |
3012 | } | |
3013 | ||
3c62be17 | 3014 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3015 | { |
3c62be17 | 3016 | struct block_device *bdev = FDEV(devi).bdev; |
178053e2 | 3017 | sector_t nr_sectors = bdev->bd_part->nr_sects; |
d4100351 | 3018 | int ret; |
178053e2 | 3019 | |
7beb01f7 | 3020 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3021 | return 0; |
3022 | ||
3c62be17 | 3023 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 3024 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 3025 | return -EINVAL; |
f99e8648 | 3026 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
3027 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3028 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3029 | return -EINVAL; | |
178053e2 | 3030 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3031 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3032 | sbi->log_blocks_per_blkz; | |
f99e8648 | 3033 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 3034 | FDEV(devi).nr_blkz++; |
178053e2 | 3035 | |
95175daf DLM |
3036 | FDEV(devi).blkz_seq = f2fs_kzalloc(sbi, |
3037 | BITS_TO_LONGS(FDEV(devi).nr_blkz) | |
3038 | * sizeof(unsigned long), | |
3039 | GFP_KERNEL); | |
3040 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3041 | return -ENOMEM; |
3042 | ||
178053e2 | 3043 | /* Get block zones type */ |
d4100351 CH |
3044 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
3045 | &FDEV(devi)); | |
3046 | if (ret < 0) | |
3047 | return ret; | |
178053e2 | 3048 | |
d4100351 | 3049 | return 0; |
178053e2 DLM |
3050 | } |
3051 | #endif | |
3052 | ||
9076a75f GZ |
3053 | /* |
3054 | * Read f2fs raw super block. | |
2b39e907 SL |
3055 | * Because we have two copies of super block, so read both of them |
3056 | * to get the first valid one. If any one of them is broken, we pass | |
3057 | * them recovery flag back to the caller. | |
9076a75f | 3058 | */ |
df728b0f | 3059 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3060 | struct f2fs_super_block **raw_super, |
e8240f65 | 3061 | int *valid_super_block, int *recovery) |
14d7e9de | 3062 | { |
df728b0f | 3063 | struct super_block *sb = sbi->sb; |
2b39e907 | 3064 | int block; |
e8240f65 | 3065 | struct buffer_head *bh; |
fd694733 | 3066 | struct f2fs_super_block *super; |
da554e48 | 3067 | int err = 0; |
14d7e9de | 3068 | |
b39f0de2 YH |
3069 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3070 | if (!super) | |
3071 | return -ENOMEM; | |
2b39e907 SL |
3072 | |
3073 | for (block = 0; block < 2; block++) { | |
3074 | bh = sb_bread(sb, block); | |
3075 | if (!bh) { | |
dcbb4c10 JP |
3076 | f2fs_err(sbi, "Unable to read %dth superblock", |
3077 | block + 1); | |
2b39e907 | 3078 | err = -EIO; |
ed352042 | 3079 | *recovery = 1; |
2b39e907 SL |
3080 | continue; |
3081 | } | |
14d7e9de | 3082 | |
2b39e907 | 3083 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3084 | err = sanity_check_raw_super(sbi, bh); |
3085 | if (err) { | |
dcbb4c10 JP |
3086 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3087 | block + 1); | |
2b39e907 | 3088 | brelse(bh); |
ed352042 | 3089 | *recovery = 1; |
2b39e907 SL |
3090 | continue; |
3091 | } | |
14d7e9de | 3092 | |
2b39e907 | 3093 | if (!*raw_super) { |
fd694733 JK |
3094 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3095 | sizeof(*super)); | |
2b39e907 SL |
3096 | *valid_super_block = block; |
3097 | *raw_super = super; | |
3098 | } | |
3099 | brelse(bh); | |
da554e48 | 3100 | } |
3101 | ||
da554e48 | 3102 | /* No valid superblock */ |
2b39e907 | 3103 | if (!*raw_super) |
5222595d | 3104 | kvfree(super); |
2b39e907 SL |
3105 | else |
3106 | err = 0; | |
da554e48 | 3107 | |
2b39e907 | 3108 | return err; |
14d7e9de | 3109 | } |
3110 | ||
fd694733 | 3111 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3112 | { |
5d909cdb | 3113 | struct buffer_head *bh; |
d440c52d | 3114 | __u32 crc = 0; |
26d815ad JK |
3115 | int err; |
3116 | ||
df728b0f JK |
3117 | if ((recover && f2fs_readonly(sbi->sb)) || |
3118 | bdev_read_only(sbi->sb->s_bdev)) { | |
3119 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3120 | return -EROFS; |
df728b0f | 3121 | } |
f2353d7b | 3122 | |
d440c52d | 3123 | /* we should update superblock crc here */ |
7beb01f7 | 3124 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3125 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3126 | offsetof(struct f2fs_super_block, crc)); | |
3127 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3128 | } | |
3129 | ||
fd694733 | 3130 | /* write back-up superblock first */ |
0964fc1a | 3131 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3132 | if (!bh) |
3133 | return -EIO; | |
fd694733 | 3134 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3135 | brelse(bh); |
c5bda1c8 CY |
3136 | |
3137 | /* if we are in recovery path, skip writing valid superblock */ | |
3138 | if (recover || err) | |
5d909cdb | 3139 | return err; |
26d815ad JK |
3140 | |
3141 | /* write current valid superblock */ | |
0964fc1a | 3142 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3143 | if (!bh) |
3144 | return -EIO; | |
3145 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3146 | brelse(bh); | |
3147 | return err; | |
26d815ad JK |
3148 | } |
3149 | ||
3c62be17 JK |
3150 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3151 | { | |
3152 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3153 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
3154 | int i; |
3155 | ||
7bb3a371 MS |
3156 | /* Initialize single device information */ |
3157 | if (!RDEV(0).path[0]) { | |
3158 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3159 | return 0; |
7bb3a371 MS |
3160 | max_devices = 1; |
3161 | } | |
3c62be17 | 3162 | |
7bb3a371 MS |
3163 | /* |
3164 | * Initialize multiple devices information, or single | |
3165 | * zoned block device information. | |
3166 | */ | |
026f0507 KC |
3167 | sbi->devs = f2fs_kzalloc(sbi, |
3168 | array_size(max_devices, | |
3169 | sizeof(struct f2fs_dev_info)), | |
3170 | GFP_KERNEL); | |
7bb3a371 MS |
3171 | if (!sbi->devs) |
3172 | return -ENOMEM; | |
3c62be17 | 3173 | |
7bb3a371 | 3174 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3175 | |
7bb3a371 MS |
3176 | if (i > 0 && !RDEV(i).path[0]) |
3177 | break; | |
3178 | ||
3179 | if (max_devices == 1) { | |
3180 | /* Single zoned block device mount */ | |
3181 | FDEV(0).bdev = | |
3182 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3183 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3184 | } else { |
3185 | /* Multi-device mount */ | |
3186 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3187 | FDEV(i).total_segments = | |
3188 | le32_to_cpu(RDEV(i).total_segments); | |
3189 | if (i == 0) { | |
3190 | FDEV(i).start_blk = 0; | |
3191 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3192 | (FDEV(i).total_segments << | |
3193 | sbi->log_blocks_per_seg) - 1 + | |
3194 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3195 | } else { | |
3196 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3197 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3198 | (FDEV(i).total_segments << | |
3199 | sbi->log_blocks_per_seg) - 1; | |
3200 | } | |
3201 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3202 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3203 | } |
3c62be17 JK |
3204 | if (IS_ERR(FDEV(i).bdev)) |
3205 | return PTR_ERR(FDEV(i).bdev); | |
3206 | ||
3207 | /* to release errored devices */ | |
3208 | sbi->s_ndevs = i + 1; | |
3209 | ||
3210 | #ifdef CONFIG_BLK_DEV_ZONED | |
3211 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3212 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3213 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3214 | return -EINVAL; |
3215 | } | |
3216 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3217 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3218 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3219 | return -EINVAL; |
3220 | } | |
7bb3a371 MS |
3221 | if (max_devices == 1) |
3222 | break; | |
dcbb4c10 JP |
3223 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3224 | i, FDEV(i).path, | |
3225 | FDEV(i).total_segments, | |
3226 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3227 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3228 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3229 | continue; |
3230 | } | |
3231 | #endif | |
dcbb4c10 JP |
3232 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3233 | i, FDEV(i).path, | |
3234 | FDEV(i).total_segments, | |
3235 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3236 | } | |
3237 | f2fs_info(sbi, | |
3238 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3239 | return 0; |
3240 | } | |
3241 | ||
5aba5430 DR |
3242 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3243 | { | |
3244 | #ifdef CONFIG_UNICODE | |
3245 | if (f2fs_sb_has_casefold(sbi) && !sbi->s_encoding) { | |
3246 | const struct f2fs_sb_encodings *encoding_info; | |
3247 | struct unicode_map *encoding; | |
3248 | __u16 encoding_flags; | |
3249 | ||
3250 | if (f2fs_sb_has_encrypt(sbi)) { | |
3251 | f2fs_err(sbi, | |
3252 | "Can't mount with encoding and encryption"); | |
3253 | return -EINVAL; | |
3254 | } | |
3255 | ||
3256 | if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, | |
3257 | &encoding_flags)) { | |
3258 | f2fs_err(sbi, | |
3259 | "Encoding requested by superblock is unknown"); | |
3260 | return -EINVAL; | |
3261 | } | |
3262 | ||
3263 | encoding = utf8_load(encoding_info->version); | |
3264 | if (IS_ERR(encoding)) { | |
3265 | f2fs_err(sbi, | |
3266 | "can't mount with superblock charset: %s-%s " | |
3267 | "not supported by the kernel. flags: 0x%x.", | |
3268 | encoding_info->name, encoding_info->version, | |
3269 | encoding_flags); | |
3270 | return PTR_ERR(encoding); | |
3271 | } | |
3272 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
3273 | "%s-%s with flags 0x%hx", encoding_info->name, | |
3274 | encoding_info->version?:"\b", encoding_flags); | |
3275 | ||
3276 | sbi->s_encoding = encoding; | |
3277 | sbi->s_encoding_flags = encoding_flags; | |
2c2eb7a3 | 3278 | sbi->sb->s_d_op = &f2fs_dentry_ops; |
5aba5430 DR |
3279 | } |
3280 | #else | |
3281 | if (f2fs_sb_has_casefold(sbi)) { | |
3282 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3283 | return -EINVAL; | |
3284 | } | |
3285 | #endif | |
3286 | return 0; | |
3287 | } | |
3288 | ||
84b89e5d JK |
3289 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3290 | { | |
3291 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3292 | ||
3293 | /* adjust parameters according to the volume size */ | |
3294 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3295 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3296 | sm_i->dcc_info->discard_granularity = 1; |
3297 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3298 | } | |
4cac90d5 CY |
3299 | |
3300 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3301 | } |
3302 | ||
aff063e2 JK |
3303 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3304 | { | |
3305 | struct f2fs_sb_info *sbi; | |
da554e48 | 3306 | struct f2fs_super_block *raw_super; |
aff063e2 | 3307 | struct inode *root; |
99e3e858 | 3308 | int err; |
aa2c8c43 | 3309 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3310 | char *options = NULL; |
e8240f65 | 3311 | int recovery, i, valid_super_block; |
8f1dbbbb | 3312 | struct curseg_info *seg_i; |
aa2c8c43 | 3313 | int retry_cnt = 1; |
aff063e2 | 3314 | |
ed2e621a | 3315 | try_onemore: |
da554e48 | 3316 | err = -EINVAL; |
3317 | raw_super = NULL; | |
e8240f65 | 3318 | valid_super_block = -1; |
da554e48 | 3319 | recovery = 0; |
3320 | ||
aff063e2 JK |
3321 | /* allocate memory for f2fs-specific super block info */ |
3322 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3323 | if (!sbi) | |
3324 | return -ENOMEM; | |
3325 | ||
df728b0f JK |
3326 | sbi->sb = sb; |
3327 | ||
43b6573b KM |
3328 | /* Load the checksum driver */ |
3329 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3330 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3331 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3332 | err = PTR_ERR(sbi->s_chksum_driver); |
3333 | sbi->s_chksum_driver = NULL; | |
3334 | goto free_sbi; | |
3335 | } | |
3336 | ||
ff9234ad | 3337 | /* set a block size */ |
6bacf52f | 3338 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3339 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3340 | goto free_sbi; |
a07ef784 | 3341 | } |
aff063e2 | 3342 | |
df728b0f | 3343 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3344 | &recovery); |
9076a75f GZ |
3345 | if (err) |
3346 | goto free_sbi; | |
3347 | ||
5fb08372 | 3348 | sb->s_fs_info = sbi; |
52763a4b JK |
3349 | sbi->raw_super = raw_super; |
3350 | ||
704956ec | 3351 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3352 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3353 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3354 | sizeof(raw_super->uuid)); | |
3355 | ||
d1b959c8 DLM |
3356 | /* |
3357 | * The BLKZONED feature indicates that the drive was formatted with | |
3358 | * zone alignment optimization. This is optional for host-aware | |
3359 | * devices, but mandatory for host-managed zoned block devices. | |
3360 | */ | |
3361 | #ifndef CONFIG_BLK_DEV_ZONED | |
7beb01f7 | 3362 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3363 | f2fs_err(sbi, "Zoned block device support is not enabled"); |
1727f317 | 3364 | err = -EOPNOTSUPP; |
d1b959c8 DLM |
3365 | goto free_sb_buf; |
3366 | } | |
d1b959c8 | 3367 | #endif |
498c5e9f | 3368 | default_options(sbi); |
aff063e2 | 3369 | /* parse mount options */ |
dabc4a5c JK |
3370 | options = kstrdup((const char *)data, GFP_KERNEL); |
3371 | if (data && !options) { | |
3372 | err = -ENOMEM; | |
aff063e2 | 3373 | goto free_sb_buf; |
dabc4a5c JK |
3374 | } |
3375 | ||
3376 | err = parse_options(sb, options); | |
3377 | if (err) | |
3378 | goto free_options; | |
aff063e2 | 3379 | |
e0afc4d6 CY |
3380 | sbi->max_file_blocks = max_file_blocks(); |
3381 | sb->s_maxbytes = sbi->max_file_blocks << | |
3382 | le32_to_cpu(raw_super->log_blocksize); | |
aff063e2 | 3383 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3384 | |
5aba5430 DR |
3385 | err = f2fs_setup_casefold(sbi); |
3386 | if (err) | |
3387 | goto free_options; | |
3388 | ||
0abd675e CY |
3389 | #ifdef CONFIG_QUOTA |
3390 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3391 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3392 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3393 | |
7beb01f7 | 3394 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3395 | for (i = 0; i < MAXQUOTAS; i++) { |
3396 | if (f2fs_qf_ino(sbi->sb, i)) | |
3397 | sbi->nquota_files++; | |
3398 | } | |
3399 | } | |
0abd675e CY |
3400 | #endif |
3401 | ||
aff063e2 | 3402 | sb->s_op = &f2fs_sops; |
643fa961 | 3403 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3404 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
3405 | #endif |
3406 | #ifdef CONFIG_FS_VERITY | |
3407 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 3408 | #endif |
aff063e2 JK |
3409 | sb->s_xattr = f2fs_xattr_handlers; |
3410 | sb->s_export_op = &f2fs_export_ops; | |
3411 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3412 | sb->s_time_gran = 1; |
1751e8a6 LT |
3413 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3414 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3415 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3416 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3417 | |
3418 | /* init f2fs-specific super block info */ | |
e8240f65 | 3419 | sbi->valid_super_block = valid_super_block; |
fb24fea7 | 3420 | init_rwsem(&sbi->gc_lock); |
853137ce | 3421 | mutex_init(&sbi->writepages); |
aff063e2 | 3422 | mutex_init(&sbi->cp_mutex); |
b3582c68 | 3423 | init_rwsem(&sbi->node_write); |
59c9081b | 3424 | init_rwsem(&sbi->node_change); |
315df839 JK |
3425 | |
3426 | /* disallow all the data/node/meta page writes */ | |
3427 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3428 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3429 | |
b0af6d49 CY |
3430 | /* init iostat info */ |
3431 | spin_lock_init(&sbi->iostat_lock); | |
3432 | sbi->iostat_enable = false; | |
2bc4bea3 | 3433 | sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS; |
b0af6d49 | 3434 | |
458e6197 | 3435 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
a912b54d JK |
3436 | int n = (i == META) ? 1: NR_TEMP_TYPE; |
3437 | int j; | |
3438 | ||
c8606593 KC |
3439 | sbi->write_io[i] = |
3440 | f2fs_kmalloc(sbi, | |
3441 | array_size(n, | |
3442 | sizeof(struct f2fs_bio_info)), | |
3443 | GFP_KERNEL); | |
b63def91 CJ |
3444 | if (!sbi->write_io[i]) { |
3445 | err = -ENOMEM; | |
0b2103e8 | 3446 | goto free_bio_info; |
b63def91 | 3447 | } |
a912b54d JK |
3448 | |
3449 | for (j = HOT; j < n; j++) { | |
3450 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3451 | sbi->write_io[i][j].sbi = sbi; | |
3452 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3453 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3454 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
0b20fcec CY |
3455 | INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); |
3456 | init_rwsem(&sbi->write_io[i][j].bio_list_lock); | |
a912b54d | 3457 | } |
458e6197 | 3458 | } |
971767ca | 3459 | |
b873b798 | 3460 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3461 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3462 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3463 | init_sb_info(sbi); |
3464 | ||
523be8a6 JK |
3465 | err = init_percpu_info(sbi); |
3466 | if (err) | |
d7997e63 | 3467 | goto free_bio_info; |
523be8a6 | 3468 | |
c72db71e | 3469 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3470 | sbi->write_io_dummy = |
a3ebfe4f | 3471 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3472 | if (!sbi->write_io_dummy) { |
3473 | err = -ENOMEM; | |
d7997e63 | 3474 | goto free_percpu; |
1727f317 | 3475 | } |
0a595eba JK |
3476 | } |
3477 | ||
a999150f CY |
3478 | /* init per sbi slab cache */ |
3479 | err = f2fs_init_xattr_caches(sbi); | |
3480 | if (err) | |
3481 | goto free_io_dummy; | |
3482 | ||
aff063e2 JK |
3483 | /* get an inode for meta space */ |
3484 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3485 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3486 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3487 | err = PTR_ERR(sbi->meta_inode); |
a999150f | 3488 | goto free_xattr_cache; |
aff063e2 JK |
3489 | } |
3490 | ||
4d57b86d | 3491 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3492 | if (err) { |
dcbb4c10 | 3493 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3494 | goto free_meta_inode; |
a07ef784 | 3495 | } |
aff063e2 | 3496 | |
af033b2a CY |
3497 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3498 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3499 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3500 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3501 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3502 | } | |
af033b2a | 3503 | |
04f0b2ea QS |
3504 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3505 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3506 | ||
3c62be17 JK |
3507 | /* Initialize device list */ |
3508 | err = f2fs_scan_devices(sbi); | |
3509 | if (err) { | |
dcbb4c10 | 3510 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3511 | goto free_devices; |
3512 | } | |
3513 | ||
4c8ff709 CY |
3514 | err = f2fs_init_post_read_wq(sbi); |
3515 | if (err) { | |
3516 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
3517 | goto free_devices; | |
3518 | } | |
3519 | ||
aff063e2 JK |
3520 | sbi->total_valid_node_count = |
3521 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3522 | percpu_counter_set(&sbi->total_valid_inode_count, |
3523 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3524 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3525 | sbi->total_valid_block_count = | |
3526 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3527 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3528 | sbi->reserved_blocks = 0; |
80d42145 | 3529 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3530 | limit_reserve_root(sbi); |
1ae18f71 | 3531 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 3532 | |
c227f912 CY |
3533 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3534 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3535 | spin_lock_init(&sbi->inode_lock[i]); | |
3536 | } | |
040d2bb3 | 3537 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3538 | |
4d57b86d | 3539 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3540 | |
4d57b86d | 3541 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3542 | |
50fa53ec CY |
3543 | f2fs_init_fsync_node_info(sbi); |
3544 | ||
aff063e2 | 3545 | /* setup f2fs internal modules */ |
4d57b86d | 3546 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3547 | if (err) { |
dcbb4c10 JP |
3548 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3549 | err); | |
aff063e2 | 3550 | goto free_sm; |
a07ef784 | 3551 | } |
4d57b86d | 3552 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3553 | if (err) { |
dcbb4c10 JP |
3554 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3555 | err); | |
aff063e2 | 3556 | goto free_nm; |
a07ef784 | 3557 | } |
aff063e2 | 3558 | |
8f1dbbbb SL |
3559 | /* For write statistics */ |
3560 | if (sb->s_bdev->bd_part) | |
3561 | sbi->sectors_written_start = | |
dbae2c55 MC |
3562 | (u64)part_stat_read(sb->s_bdev->bd_part, |
3563 | sectors[STAT_WRITE]); | |
8f1dbbbb SL |
3564 | |
3565 | /* Read accumulated write IO statistics if exists */ | |
3566 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3567 | if (__exist_node_summaries(sbi)) | |
3568 | sbi->kbytes_written = | |
b2dde6fc | 3569 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3570 | |
4d57b86d | 3571 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3572 | |
60aa4d55 ST |
3573 | err = f2fs_build_stats(sbi); |
3574 | if (err) | |
3575 | goto free_nm; | |
3576 | ||
aff063e2 JK |
3577 | /* get an inode for node space */ |
3578 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3579 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3580 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3581 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3582 | goto free_stats; |
aff063e2 JK |
3583 | } |
3584 | ||
aff063e2 JK |
3585 | /* read root inode and dentry */ |
3586 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3587 | if (IS_ERR(root)) { | |
dcbb4c10 | 3588 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3589 | err = PTR_ERR(root); |
60aa4d55 | 3590 | goto free_node_inode; |
aff063e2 | 3591 | } |
bcbfbd60 CY |
3592 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3593 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3594 | iput(root); |
8f99a946 | 3595 | err = -EINVAL; |
60aa4d55 | 3596 | goto free_node_inode; |
8f99a946 | 3597 | } |
aff063e2 JK |
3598 | |
3599 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3600 | if (!sb->s_root) { | |
3601 | err = -ENOMEM; | |
025cdb16 | 3602 | goto free_node_inode; |
aff063e2 JK |
3603 | } |
3604 | ||
dc6b2055 | 3605 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3606 | if (err) |
a398101a | 3607 | goto free_root_inode; |
b59d0bae | 3608 | |
ea676733 | 3609 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3610 | /* Enable quota usage during mount */ |
7beb01f7 | 3611 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3612 | err = f2fs_enable_quotas(sb); |
730746ce | 3613 | if (err) |
dcbb4c10 | 3614 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3615 | } |
3616 | #endif | |
7a88ddb5 | 3617 | /* if there are any orphan inodes, free them */ |
4d57b86d | 3618 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3619 | if (err) |
ea676733 | 3620 | goto free_meta; |
4b2414d0 | 3621 | |
4354994f | 3622 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3623 | goto reset_checkpoint; |
4354994f | 3624 | |
6437d1b0 | 3625 | /* recover fsynced data */ |
a9117eca CY |
3626 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
3627 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
3628 | /* |
3629 | * mount should be failed, when device has readonly mode, and | |
3630 | * previous checkpoint was not done by clean system shutdown. | |
3631 | */ | |
b61af314 CY |
3632 | if (f2fs_hw_is_readonly(sbi)) { |
3633 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3634 | err = -EROFS; | |
dcbb4c10 | 3635 | f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); |
b61af314 CY |
3636 | goto free_meta; |
3637 | } | |
dcbb4c10 | 3638 | f2fs_info(sbi, "write access unavailable, skipping recovery"); |
b61af314 | 3639 | goto reset_checkpoint; |
081d78c2 | 3640 | } |
2adc3505 CY |
3641 | |
3642 | if (need_fsck) | |
3643 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3644 | ||
aa2c8c43 CY |
3645 | if (skip_recovery) |
3646 | goto reset_checkpoint; | |
a468f0ef | 3647 | |
4d57b86d | 3648 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3649 | if (err < 0) { |
aa2c8c43 CY |
3650 | if (err != -ENOMEM) |
3651 | skip_recovery = true; | |
2adc3505 | 3652 | need_fsck = true; |
dcbb4c10 JP |
3653 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3654 | err); | |
4b2414d0 | 3655 | goto free_meta; |
ed2e621a | 3656 | } |
6781eabb | 3657 | } else { |
4d57b86d | 3658 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
3659 | |
3660 | if (!f2fs_readonly(sb) && err > 0) { | |
3661 | err = -EINVAL; | |
dcbb4c10 | 3662 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 3663 | goto free_meta; |
6781eabb | 3664 | } |
6437d1b0 | 3665 | } |
d508c94e SK |
3666 | |
3667 | /* | |
3668 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
3669 | * check zoned block devices' write pointer consistency. | |
3670 | */ | |
3671 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
3672 | err = f2fs_check_write_pointer(sbi); | |
3673 | if (err) | |
3674 | goto free_meta; | |
3675 | } | |
3676 | ||
aa2c8c43 | 3677 | reset_checkpoint: |
4d57b86d | 3678 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 3679 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 3680 | |
4354994f DR |
3681 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
3682 | err = f2fs_disable_checkpoint(sbi); | |
3683 | if (err) | |
812a9597 | 3684 | goto sync_free_meta; |
4354994f DR |
3685 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
3686 | f2fs_enable_checkpoint(sbi); | |
3687 | } | |
3688 | ||
6437d1b0 JK |
3689 | /* |
3690 | * If filesystem is not mounted as read-only then | |
3691 | * do start the gc_thread. | |
3692 | */ | |
bbbc34fd | 3693 | if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) { |
6437d1b0 | 3694 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 3695 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 3696 | if (err) |
812a9597 | 3697 | goto sync_free_meta; |
6437d1b0 | 3698 | } |
5222595d | 3699 | kvfree(options); |
da554e48 | 3700 | |
3701 | /* recover broken superblock */ | |
f2353d7b | 3702 | if (recovery) { |
41214b3c | 3703 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
3704 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
3705 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 3706 | } |
3707 | ||
bae01eda CY |
3708 | f2fs_join_shrinker(sbi); |
3709 | ||
84b89e5d JK |
3710 | f2fs_tuning_parameters(sbi); |
3711 | ||
dcbb4c10 JP |
3712 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
3713 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 3714 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 3715 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 3716 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 3717 | return 0; |
6437d1b0 | 3718 | |
812a9597 JK |
3719 | sync_free_meta: |
3720 | /* safe to flush all the data */ | |
3721 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 3722 | retry_cnt = 0; |
812a9597 | 3723 | |
4b2414d0 | 3724 | free_meta: |
ea676733 | 3725 | #ifdef CONFIG_QUOTA |
26b5a079 | 3726 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 3727 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
3728 | f2fs_quota_off_umount(sbi->sb); |
3729 | #endif | |
4b2414d0 | 3730 | /* |
4d57b86d | 3731 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 3732 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
3733 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
3734 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
3735 | */ |
3736 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
3737 | /* evict some inodes being cached by GC */ |
3738 | evict_inodes(sb); | |
dc6b2055 | 3739 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
3740 | free_root_inode: |
3741 | dput(sb->s_root); | |
3742 | sb->s_root = NULL; | |
3743 | free_node_inode: | |
4d57b86d | 3744 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 3745 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 3746 | iput(sbi->node_inode); |
7c77bf7d | 3747 | sbi->node_inode = NULL; |
60aa4d55 ST |
3748 | free_stats: |
3749 | f2fs_destroy_stats(sbi); | |
aff063e2 | 3750 | free_nm: |
4d57b86d | 3751 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 3752 | free_sm: |
4d57b86d | 3753 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 3754 | f2fs_destroy_post_read_wq(sbi); |
3c62be17 JK |
3755 | free_devices: |
3756 | destroy_device_list(sbi); | |
5222595d | 3757 | kvfree(sbi->ckpt); |
aff063e2 JK |
3758 | free_meta_inode: |
3759 | make_bad_inode(sbi->meta_inode); | |
3760 | iput(sbi->meta_inode); | |
7c77bf7d | 3761 | sbi->meta_inode = NULL; |
a999150f CY |
3762 | free_xattr_cache: |
3763 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
3764 | free_io_dummy: |
3765 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
3766 | free_percpu: |
3767 | destroy_percpu_info(sbi); | |
3768 | free_bio_info: | |
a912b54d | 3769 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 3770 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
3771 | |
3772 | #ifdef CONFIG_UNICODE | |
3773 | utf8_unload(sbi->s_encoding); | |
3774 | #endif | |
d7997e63 | 3775 | free_options: |
4b2414d0 CY |
3776 | #ifdef CONFIG_QUOTA |
3777 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 3778 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 3779 | #endif |
5222595d | 3780 | kvfree(options); |
aff063e2 | 3781 | free_sb_buf: |
5222595d | 3782 | kvfree(raw_super); |
aff063e2 | 3783 | free_sbi: |
43b6573b KM |
3784 | if (sbi->s_chksum_driver) |
3785 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 3786 | kvfree(sbi); |
ed2e621a JK |
3787 | |
3788 | /* give only one another chance */ | |
aa2c8c43 CY |
3789 | if (retry_cnt > 0 && skip_recovery) { |
3790 | retry_cnt--; | |
ed2e621a JK |
3791 | shrink_dcache_sb(sb); |
3792 | goto try_onemore; | |
3793 | } | |
aff063e2 JK |
3794 | return err; |
3795 | } | |
3796 | ||
3797 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
3798 | const char *dev_name, void *data) | |
3799 | { | |
3800 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
3801 | } | |
3802 | ||
30a5537f JK |
3803 | static void kill_f2fs_super(struct super_block *sb) |
3804 | { | |
cce13252 | 3805 | if (sb->s_root) { |
1cb50f87 JK |
3806 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
3807 | ||
3808 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
3809 | f2fs_stop_gc_thread(sbi); | |
3810 | f2fs_stop_discard_thread(sbi); | |
3811 | ||
3812 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
3813 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3814 | struct cp_control cpc = { | |
3815 | .reason = CP_UMOUNT, | |
3816 | }; | |
3817 | f2fs_write_checkpoint(sbi, &cpc); | |
3818 | } | |
1378752b CY |
3819 | |
3820 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
3821 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 3822 | } |
30a5537f JK |
3823 | kill_block_super(sb); |
3824 | } | |
3825 | ||
aff063e2 JK |
3826 | static struct file_system_type f2fs_fs_type = { |
3827 | .owner = THIS_MODULE, | |
3828 | .name = "f2fs", | |
3829 | .mount = f2fs_mount, | |
30a5537f | 3830 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
3831 | .fs_flags = FS_REQUIRES_DEV, |
3832 | }; | |
7f78e035 | 3833 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 3834 | |
6e6093a8 | 3835 | static int __init init_inodecache(void) |
aff063e2 | 3836 | { |
5d097056 VD |
3837 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
3838 | sizeof(struct f2fs_inode_info), 0, | |
3839 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 3840 | if (!f2fs_inode_cachep) |
aff063e2 JK |
3841 | return -ENOMEM; |
3842 | return 0; | |
3843 | } | |
3844 | ||
3845 | static void destroy_inodecache(void) | |
3846 | { | |
3847 | /* | |
3848 | * Make sure all delayed rcu free inodes are flushed before we | |
3849 | * destroy cache. | |
3850 | */ | |
3851 | rcu_barrier(); | |
3852 | kmem_cache_destroy(f2fs_inode_cachep); | |
3853 | } | |
3854 | ||
3855 | static int __init init_f2fs_fs(void) | |
3856 | { | |
3857 | int err; | |
3858 | ||
4071e67c AP |
3859 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
3860 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
3861 | PAGE_SIZE, F2FS_BLKSIZE); | |
3862 | return -EINVAL; | |
3863 | } | |
3864 | ||
c0508650 JK |
3865 | f2fs_build_trace_ios(); |
3866 | ||
aff063e2 JK |
3867 | err = init_inodecache(); |
3868 | if (err) | |
3869 | goto fail; | |
4d57b86d | 3870 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 3871 | if (err) |
9890ff3f | 3872 | goto free_inodecache; |
4d57b86d | 3873 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 3874 | if (err) |
9890ff3f | 3875 | goto free_node_manager_caches; |
4d57b86d | 3876 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 3877 | if (err) |
06292073 | 3878 | goto free_segment_manager_caches; |
4d57b86d | 3879 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
3880 | if (err) |
3881 | goto free_checkpoint_caches; | |
dc6b2055 | 3882 | err = f2fs_init_sysfs(); |
a398101a | 3883 | if (err) |
1dcc336b | 3884 | goto free_extent_cache; |
2658e50d | 3885 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 3886 | if (err) |
a398101a | 3887 | goto free_sysfs; |
2658e50d JK |
3888 | err = register_filesystem(&f2fs_fs_type); |
3889 | if (err) | |
3890 | goto free_shrinker; | |
21acc07d | 3891 | f2fs_create_root_stats(); |
6dbb1796 EB |
3892 | err = f2fs_init_post_read_processing(); |
3893 | if (err) | |
3894 | goto free_root_stats; | |
0b20fcec CY |
3895 | err = f2fs_init_bio_entry_cache(); |
3896 | if (err) | |
3897 | goto free_post_read; | |
f543805f CY |
3898 | err = f2fs_init_bioset(); |
3899 | if (err) | |
3900 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
3901 | err = f2fs_init_compress_mempool(); |
3902 | if (err) | |
3903 | goto free_bioset; | |
9890ff3f | 3904 | return 0; |
5e6bbde9 CY |
3905 | free_bioset: |
3906 | f2fs_destroy_bioset(); | |
f543805f CY |
3907 | free_bio_enrty_cache: |
3908 | f2fs_destroy_bio_entry_cache(); | |
0b20fcec CY |
3909 | free_post_read: |
3910 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
3911 | free_root_stats: |
3912 | f2fs_destroy_root_stats(); | |
787c7b8c | 3913 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
3914 | free_shrinker: |
3915 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 3916 | free_sysfs: |
dc6b2055 | 3917 | f2fs_exit_sysfs(); |
1dcc336b | 3918 | free_extent_cache: |
4d57b86d | 3919 | f2fs_destroy_extent_cache(); |
9890ff3f | 3920 | free_checkpoint_caches: |
4d57b86d | 3921 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 3922 | free_segment_manager_caches: |
4d57b86d | 3923 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 3924 | free_node_manager_caches: |
4d57b86d | 3925 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
3926 | free_inodecache: |
3927 | destroy_inodecache(); | |
aff063e2 JK |
3928 | fail: |
3929 | return err; | |
3930 | } | |
3931 | ||
3932 | static void __exit exit_f2fs_fs(void) | |
3933 | { | |
5e6bbde9 | 3934 | f2fs_destroy_compress_mempool(); |
f543805f | 3935 | f2fs_destroy_bioset(); |
0b20fcec | 3936 | f2fs_destroy_bio_entry_cache(); |
6dbb1796 | 3937 | f2fs_destroy_post_read_processing(); |
4589d25d | 3938 | f2fs_destroy_root_stats(); |
aff063e2 | 3939 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 3940 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 3941 | f2fs_exit_sysfs(); |
4d57b86d CY |
3942 | f2fs_destroy_extent_cache(); |
3943 | f2fs_destroy_checkpoint_caches(); | |
3944 | f2fs_destroy_segment_manager_caches(); | |
3945 | f2fs_destroy_node_manager_caches(); | |
aff063e2 | 3946 | destroy_inodecache(); |
351f4fba | 3947 | f2fs_destroy_trace_ios(); |
aff063e2 JK |
3948 | } |
3949 | ||
3950 | module_init(init_f2fs_fs) | |
3951 | module_exit(exit_f2fs_fs) | |
3952 | ||
3953 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
3954 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
3955 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 3956 |