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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"}, |
ed318a6c | 205 | {Opt_test_dummy_encryption, "test_dummy_encryption=%s"}, |
ff62af20 | 206 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
4d3aed70 DR |
207 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
208 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
209 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
210 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
4c8ff709 CY |
211 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
212 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
213 | {Opt_compress_extension, "compress_extension=%s"}, | |
aff063e2 JK |
214 | {Opt_err, NULL}, |
215 | }; | |
216 | ||
dcbb4c10 | 217 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
218 | { |
219 | struct va_format vaf; | |
220 | va_list args; | |
dcbb4c10 | 221 | int level; |
a07ef784 NJ |
222 | |
223 | va_start(args, fmt); | |
dcbb4c10 JP |
224 | |
225 | level = printk_get_level(fmt); | |
226 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 227 | vaf.va = &args; |
dcbb4c10 JP |
228 | printk("%c%cF2FS-fs (%s): %pV\n", |
229 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
230 | ||
a07ef784 NJ |
231 | va_end(args); |
232 | } | |
233 | ||
5aba5430 DR |
234 | #ifdef CONFIG_UNICODE |
235 | static const struct f2fs_sb_encodings { | |
236 | __u16 magic; | |
237 | char *name; | |
238 | char *version; | |
239 | } f2fs_sb_encoding_map[] = { | |
240 | {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"}, | |
241 | }; | |
242 | ||
243 | static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, | |
244 | const struct f2fs_sb_encodings **encoding, | |
245 | __u16 *flags) | |
246 | { | |
247 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
248 | int i; | |
249 | ||
250 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
251 | if (magic == f2fs_sb_encoding_map[i].magic) | |
252 | break; | |
253 | ||
254 | if (i >= ARRAY_SIZE(f2fs_sb_encoding_map)) | |
255 | return -EINVAL; | |
256 | ||
257 | *encoding = &f2fs_sb_encoding_map[i]; | |
258 | *flags = le16_to_cpu(sb->s_encoding_flags); | |
259 | ||
260 | return 0; | |
261 | } | |
262 | #endif | |
263 | ||
7e65be49 JK |
264 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
265 | { | |
9a9aecaa DR |
266 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
267 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
268 | |
269 | /* limit is 0.2% */ | |
63189b78 CY |
270 | if (test_opt(sbi, RESERVE_ROOT) && |
271 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
272 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
273 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
274 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 275 | } |
7c2e5963 | 276 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 277 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 278 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 279 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 280 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
281 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
282 | from_kuid_munged(&init_user_ns, | |
283 | F2FS_OPTION(sbi).s_resuid), | |
284 | from_kgid_munged(&init_user_ns, | |
285 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
286 | } |
287 | ||
1ae18f71 JK |
288 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
289 | { | |
290 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
291 | return; | |
292 | ||
293 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
294 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
295 | else | |
296 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
297 | F2FS_OPTION(sbi).unusable_cap_perc; | |
298 | ||
299 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
300 | F2FS_OPTION(sbi).unusable_cap, | |
301 | F2FS_OPTION(sbi).unusable_cap_perc); | |
302 | } | |
303 | ||
aff063e2 JK |
304 | static void init_once(void *foo) |
305 | { | |
306 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
307 | ||
aff063e2 JK |
308 | inode_init_once(&fi->vfs_inode); |
309 | } | |
310 | ||
4b2414d0 CY |
311 | #ifdef CONFIG_QUOTA |
312 | static const char * const quotatypes[] = INITQFNAMES; | |
313 | #define QTYPE2NAME(t) (quotatypes[t]) | |
314 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
315 | substring_t *args) | |
316 | { | |
317 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
318 | char *qname; | |
319 | int ret = -EINVAL; | |
320 | ||
63189b78 | 321 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 322 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
323 | return -EINVAL; |
324 | } | |
7beb01f7 | 325 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 326 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
327 | return 0; |
328 | } | |
329 | ||
4b2414d0 CY |
330 | qname = match_strdup(args); |
331 | if (!qname) { | |
dcbb4c10 | 332 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 333 | return -ENOMEM; |
4b2414d0 | 334 | } |
63189b78 CY |
335 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
336 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
337 | ret = 0; |
338 | else | |
dcbb4c10 | 339 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
340 | QTYPE2NAME(qtype)); |
341 | goto errout; | |
342 | } | |
343 | if (strchr(qname, '/')) { | |
dcbb4c10 | 344 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
345 | goto errout; |
346 | } | |
63189b78 | 347 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
348 | set_opt(sbi, QUOTA); |
349 | return 0; | |
350 | errout: | |
ba87a45c | 351 | kfree(qname); |
4b2414d0 CY |
352 | return ret; |
353 | } | |
354 | ||
355 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
356 | { | |
357 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
358 | ||
63189b78 | 359 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 360 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
361 | return -EINVAL; |
362 | } | |
ba87a45c | 363 | kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 364 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
365 | return 0; |
366 | } | |
367 | ||
368 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
369 | { | |
370 | /* | |
371 | * We do the test below only for project quotas. 'usrquota' and | |
372 | * 'grpquota' mount options are allowed even without quota feature | |
373 | * to support legacy quotas in quota files. | |
374 | */ | |
7beb01f7 | 375 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 376 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
377 | return -1; |
378 | } | |
63189b78 CY |
379 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
380 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
381 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
382 | if (test_opt(sbi, USRQUOTA) && | |
383 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
384 | clear_opt(sbi, USRQUOTA); |
385 | ||
63189b78 CY |
386 | if (test_opt(sbi, GRPQUOTA) && |
387 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
388 | clear_opt(sbi, GRPQUOTA); |
389 | ||
63189b78 CY |
390 | if (test_opt(sbi, PRJQUOTA) && |
391 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
392 | clear_opt(sbi, PRJQUOTA); |
393 | ||
394 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
395 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 396 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
397 | return -1; |
398 | } | |
399 | ||
63189b78 | 400 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 401 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
402 | return -1; |
403 | } | |
404 | } | |
ea676733 | 405 | |
7beb01f7 | 406 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 407 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 408 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 409 | } |
4b2414d0 CY |
410 | return 0; |
411 | } | |
412 | #endif | |
413 | ||
ed318a6c EB |
414 | static int f2fs_set_test_dummy_encryption(struct super_block *sb, |
415 | const char *opt, | |
416 | const substring_t *arg, | |
417 | bool is_remount) | |
418 | { | |
419 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
420 | #ifdef CONFIG_FS_ENCRYPTION | |
421 | int err; | |
422 | ||
423 | if (!f2fs_sb_has_encrypt(sbi)) { | |
424 | f2fs_err(sbi, "Encrypt feature is off"); | |
425 | return -EINVAL; | |
426 | } | |
427 | ||
428 | /* | |
429 | * This mount option is just for testing, and it's not worthwhile to | |
430 | * implement the extra complexity (e.g. RCU protection) that would be | |
431 | * needed to allow it to be set or changed during remount. We do allow | |
432 | * it to be specified during remount, but only if there is no change. | |
433 | */ | |
434 | if (is_remount && !F2FS_OPTION(sbi).dummy_enc_ctx.ctx) { | |
435 | f2fs_warn(sbi, "Can't set test_dummy_encryption on remount"); | |
436 | return -EINVAL; | |
437 | } | |
438 | err = fscrypt_set_test_dummy_encryption( | |
439 | sb, arg, &F2FS_OPTION(sbi).dummy_enc_ctx); | |
440 | if (err) { | |
441 | if (err == -EEXIST) | |
442 | f2fs_warn(sbi, | |
443 | "Can't change test_dummy_encryption on remount"); | |
444 | else if (err == -EINVAL) | |
445 | f2fs_warn(sbi, "Value of option \"%s\" is unrecognized", | |
446 | opt); | |
447 | else | |
448 | f2fs_warn(sbi, "Error processing option \"%s\" [%d]", | |
449 | opt, err); | |
450 | return -EINVAL; | |
451 | } | |
452 | f2fs_warn(sbi, "Test dummy encryption mode enabled"); | |
453 | #else | |
454 | f2fs_warn(sbi, "Test dummy encryption mount option ignored"); | |
455 | #endif | |
456 | return 0; | |
457 | } | |
458 | ||
459 | static int parse_options(struct super_block *sb, char *options, bool is_remount) | |
696c018c NJ |
460 | { |
461 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
462 | substring_t args[MAX_OPT_ARGS]; | |
4c8ff709 | 463 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
696c018c | 464 | char *p, *name; |
4c8ff709 | 465 | int arg = 0, ext_cnt; |
7c2e5963 JK |
466 | kuid_t uid; |
467 | kgid_t gid; | |
4b2414d0 | 468 | int ret; |
696c018c NJ |
469 | |
470 | if (!options) | |
471 | return 0; | |
472 | ||
473 | while ((p = strsep(&options, ",")) != NULL) { | |
474 | int token; | |
475 | if (!*p) | |
476 | continue; | |
477 | /* | |
478 | * Initialize args struct so we know whether arg was | |
479 | * found; some options take optional arguments. | |
480 | */ | |
481 | args[0].to = args[0].from = NULL; | |
482 | token = match_token(p, f2fs_tokens, args); | |
483 | ||
484 | switch (token) { | |
485 | case Opt_gc_background: | |
486 | name = match_strdup(&args[0]); | |
487 | ||
488 | if (!name) | |
489 | return -ENOMEM; | |
3c57f751 | 490 | if (!strcmp(name, "on")) { |
bbbc34fd | 491 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 492 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 493 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 494 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 495 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 496 | } else { |
ba87a45c | 497 | kfree(name); |
696c018c NJ |
498 | return -EINVAL; |
499 | } | |
ba87a45c | 500 | kfree(name); |
696c018c NJ |
501 | break; |
502 | case Opt_disable_roll_forward: | |
503 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
504 | break; | |
2d834bf9 JK |
505 | case Opt_norecovery: |
506 | /* this option mounts f2fs with ro */ | |
a9117eca | 507 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
508 | if (!f2fs_readonly(sb)) |
509 | return -EINVAL; | |
510 | break; | |
696c018c | 511 | case Opt_discard: |
7d20c8ab | 512 | set_opt(sbi, DISCARD); |
696c018c | 513 | break; |
64058be9 | 514 | case Opt_nodiscard: |
7beb01f7 | 515 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 516 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
517 | return -EINVAL; |
518 | } | |
64058be9 | 519 | clear_opt(sbi, DISCARD); |
487df616 | 520 | break; |
696c018c NJ |
521 | case Opt_noheap: |
522 | set_opt(sbi, NOHEAP); | |
523 | break; | |
7a20b8a6 JK |
524 | case Opt_heap: |
525 | clear_opt(sbi, NOHEAP); | |
526 | break; | |
696c018c | 527 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
528 | case Opt_user_xattr: |
529 | set_opt(sbi, XATTR_USER); | |
530 | break; | |
696c018c NJ |
531 | case Opt_nouser_xattr: |
532 | clear_opt(sbi, XATTR_USER); | |
533 | break; | |
444c580f JK |
534 | case Opt_inline_xattr: |
535 | set_opt(sbi, INLINE_XATTR); | |
536 | break; | |
23cf7212 CY |
537 | case Opt_noinline_xattr: |
538 | clear_opt(sbi, INLINE_XATTR); | |
539 | break; | |
6afc662e CY |
540 | case Opt_inline_xattr_size: |
541 | if (args->from && match_int(args, &arg)) | |
542 | return -EINVAL; | |
543 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 544 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 545 | break; |
696c018c | 546 | #else |
4058c511 | 547 | case Opt_user_xattr: |
dcbb4c10 | 548 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 549 | break; |
696c018c | 550 | case Opt_nouser_xattr: |
dcbb4c10 | 551 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 552 | break; |
444c580f | 553 | case Opt_inline_xattr: |
dcbb4c10 | 554 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 555 | break; |
23cf7212 | 556 | case Opt_noinline_xattr: |
dcbb4c10 | 557 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 558 | break; |
696c018c NJ |
559 | #endif |
560 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
561 | case Opt_acl: |
562 | set_opt(sbi, POSIX_ACL); | |
563 | break; | |
696c018c NJ |
564 | case Opt_noacl: |
565 | clear_opt(sbi, POSIX_ACL); | |
566 | break; | |
567 | #else | |
4058c511 | 568 | case Opt_acl: |
dcbb4c10 | 569 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 570 | break; |
696c018c | 571 | case Opt_noacl: |
dcbb4c10 | 572 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
573 | break; |
574 | #endif | |
575 | case Opt_active_logs: | |
576 | if (args->from && match_int(args, &arg)) | |
577 | return -EINVAL; | |
578 | if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE) | |
579 | return -EINVAL; | |
63189b78 | 580 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
581 | break; |
582 | case Opt_disable_ext_identify: | |
583 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
584 | break; | |
8274de77 HL |
585 | case Opt_inline_data: |
586 | set_opt(sbi, INLINE_DATA); | |
587 | break; | |
5efd3c6f CY |
588 | case Opt_inline_dentry: |
589 | set_opt(sbi, INLINE_DENTRY); | |
590 | break; | |
97c1794a CY |
591 | case Opt_noinline_dentry: |
592 | clear_opt(sbi, INLINE_DENTRY); | |
593 | break; | |
6b4afdd7 JK |
594 | case Opt_flush_merge: |
595 | set_opt(sbi, FLUSH_MERGE); | |
596 | break; | |
69e9e427 JK |
597 | case Opt_noflush_merge: |
598 | clear_opt(sbi, FLUSH_MERGE); | |
599 | break; | |
0f7b2abd JK |
600 | case Opt_nobarrier: |
601 | set_opt(sbi, NOBARRIER); | |
602 | break; | |
d5053a34 JK |
603 | case Opt_fastboot: |
604 | set_opt(sbi, FASTBOOT); | |
605 | break; | |
89672159 CY |
606 | case Opt_extent_cache: |
607 | set_opt(sbi, EXTENT_CACHE); | |
608 | break; | |
7daaea25 JK |
609 | case Opt_noextent_cache: |
610 | clear_opt(sbi, EXTENT_CACHE); | |
611 | break; | |
75342797 WL |
612 | case Opt_noinline_data: |
613 | clear_opt(sbi, INLINE_DATA); | |
614 | break; | |
343f40f0 CY |
615 | case Opt_data_flush: |
616 | set_opt(sbi, DATA_FLUSH); | |
617 | break; | |
7e65be49 JK |
618 | case Opt_reserve_root: |
619 | if (args->from && match_int(args, &arg)) | |
620 | return -EINVAL; | |
621 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
622 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
623 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 624 | } else { |
63189b78 | 625 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
626 | set_opt(sbi, RESERVE_ROOT); |
627 | } | |
628 | break; | |
7c2e5963 JK |
629 | case Opt_resuid: |
630 | if (args->from && match_int(args, &arg)) | |
631 | return -EINVAL; | |
632 | uid = make_kuid(current_user_ns(), arg); | |
633 | if (!uid_valid(uid)) { | |
dcbb4c10 | 634 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
635 | return -EINVAL; |
636 | } | |
63189b78 | 637 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
638 | break; |
639 | case Opt_resgid: | |
640 | if (args->from && match_int(args, &arg)) | |
641 | return -EINVAL; | |
642 | gid = make_kgid(current_user_ns(), arg); | |
643 | if (!gid_valid(gid)) { | |
dcbb4c10 | 644 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
645 | return -EINVAL; |
646 | } | |
63189b78 | 647 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 648 | break; |
36abef4e JK |
649 | case Opt_mode: |
650 | name = match_strdup(&args[0]); | |
651 | ||
652 | if (!name) | |
653 | return -ENOMEM; | |
3c57f751 | 654 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 655 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 656 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
ba87a45c | 657 | kfree(name); |
3adc57e9 DLM |
658 | return -EINVAL; |
659 | } | |
b0332a0f | 660 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 661 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 662 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
36abef4e | 663 | } else { |
ba87a45c | 664 | kfree(name); |
36abef4e JK |
665 | return -EINVAL; |
666 | } | |
ba87a45c | 667 | kfree(name); |
36abef4e | 668 | break; |
ec91538d JK |
669 | case Opt_io_size_bits: |
670 | if (args->from && match_int(args, &arg)) | |
671 | return -EINVAL; | |
6d52e135 | 672 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { |
dcbb4c10 JP |
673 | f2fs_warn(sbi, "Not support %d, larger than %d", |
674 | 1 << arg, BIO_MAX_PAGES); | |
ec91538d JK |
675 | return -EINVAL; |
676 | } | |
63189b78 | 677 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 678 | break; |
4cb037ec | 679 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
680 | case Opt_fault_injection: |
681 | if (args->from && match_int(args, &arg)) | |
682 | return -EINVAL; | |
d494500a CY |
683 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
684 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 685 | break; |
4cb037ec | 686 | |
d494500a CY |
687 | case Opt_fault_type: |
688 | if (args->from && match_int(args, &arg)) | |
689 | return -EINVAL; | |
d494500a | 690 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 691 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 692 | break; |
73faec4d | 693 | #else |
4cb037ec | 694 | case Opt_fault_injection: |
dcbb4c10 | 695 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 696 | break; |
4cb037ec CX |
697 | |
698 | case Opt_fault_type: | |
dcbb4c10 | 699 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
700 | break; |
701 | #endif | |
6d94c74a | 702 | case Opt_lazytime: |
1751e8a6 | 703 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
704 | break; |
705 | case Opt_nolazytime: | |
1751e8a6 | 706 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 707 | break; |
0abd675e | 708 | #ifdef CONFIG_QUOTA |
4b2414d0 | 709 | case Opt_quota: |
0abd675e CY |
710 | case Opt_usrquota: |
711 | set_opt(sbi, USRQUOTA); | |
712 | break; | |
713 | case Opt_grpquota: | |
714 | set_opt(sbi, GRPQUOTA); | |
715 | break; | |
5c57132e CY |
716 | case Opt_prjquota: |
717 | set_opt(sbi, PRJQUOTA); | |
718 | break; | |
4b2414d0 CY |
719 | case Opt_usrjquota: |
720 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
721 | if (ret) | |
722 | return ret; | |
723 | break; | |
724 | case Opt_grpjquota: | |
725 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
726 | if (ret) | |
727 | return ret; | |
728 | break; | |
729 | case Opt_prjjquota: | |
730 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
731 | if (ret) | |
732 | return ret; | |
733 | break; | |
734 | case Opt_offusrjquota: | |
735 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
736 | if (ret) | |
737 | return ret; | |
738 | break; | |
739 | case Opt_offgrpjquota: | |
740 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
741 | if (ret) | |
742 | return ret; | |
743 | break; | |
744 | case Opt_offprjjquota: | |
745 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
746 | if (ret) | |
747 | return ret; | |
748 | break; | |
749 | case Opt_jqfmt_vfsold: | |
63189b78 | 750 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
751 | break; |
752 | case Opt_jqfmt_vfsv0: | |
63189b78 | 753 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
754 | break; |
755 | case Opt_jqfmt_vfsv1: | |
63189b78 | 756 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
757 | break; |
758 | case Opt_noquota: | |
759 | clear_opt(sbi, QUOTA); | |
760 | clear_opt(sbi, USRQUOTA); | |
761 | clear_opt(sbi, GRPQUOTA); | |
762 | clear_opt(sbi, PRJQUOTA); | |
763 | break; | |
0abd675e | 764 | #else |
4b2414d0 | 765 | case Opt_quota: |
0abd675e CY |
766 | case Opt_usrquota: |
767 | case Opt_grpquota: | |
5c57132e | 768 | case Opt_prjquota: |
4b2414d0 CY |
769 | case Opt_usrjquota: |
770 | case Opt_grpjquota: | |
771 | case Opt_prjjquota: | |
772 | case Opt_offusrjquota: | |
773 | case Opt_offgrpjquota: | |
774 | case Opt_offprjjquota: | |
775 | case Opt_jqfmt_vfsold: | |
776 | case Opt_jqfmt_vfsv0: | |
777 | case Opt_jqfmt_vfsv1: | |
778 | case Opt_noquota: | |
dcbb4c10 | 779 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
780 | break; |
781 | #endif | |
0cdd3195 HL |
782 | case Opt_whint: |
783 | name = match_strdup(&args[0]); | |
784 | if (!name) | |
785 | return -ENOMEM; | |
3c57f751 | 786 | if (!strcmp(name, "user-based")) { |
63189b78 | 787 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
3c57f751 | 788 | } else if (!strcmp(name, "off")) { |
63189b78 | 789 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
3c57f751 | 790 | } else if (!strcmp(name, "fs-based")) { |
63189b78 | 791 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 792 | } else { |
ba87a45c | 793 | kfree(name); |
0cdd3195 HL |
794 | return -EINVAL; |
795 | } | |
ba87a45c | 796 | kfree(name); |
0cdd3195 | 797 | break; |
07939627 JK |
798 | case Opt_alloc: |
799 | name = match_strdup(&args[0]); | |
800 | if (!name) | |
801 | return -ENOMEM; | |
802 | ||
3c57f751 | 803 | if (!strcmp(name, "default")) { |
63189b78 | 804 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 805 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 806 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 807 | } else { |
ba87a45c | 808 | kfree(name); |
07939627 JK |
809 | return -EINVAL; |
810 | } | |
ba87a45c | 811 | kfree(name); |
07939627 | 812 | break; |
93cf93f1 JZ |
813 | case Opt_fsync: |
814 | name = match_strdup(&args[0]); | |
815 | if (!name) | |
816 | return -ENOMEM; | |
3c57f751 | 817 | if (!strcmp(name, "posix")) { |
63189b78 | 818 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 819 | } else if (!strcmp(name, "strict")) { |
63189b78 | 820 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 821 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
822 | F2FS_OPTION(sbi).fsync_mode = |
823 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 824 | } else { |
ba87a45c | 825 | kfree(name); |
93cf93f1 JZ |
826 | return -EINVAL; |
827 | } | |
ba87a45c | 828 | kfree(name); |
93cf93f1 | 829 | break; |
ff62af20 | 830 | case Opt_test_dummy_encryption: |
ed318a6c EB |
831 | ret = f2fs_set_test_dummy_encryption(sb, p, &args[0], |
832 | is_remount); | |
833 | if (ret) | |
834 | return ret; | |
ff62af20 | 835 | break; |
4d3aed70 DR |
836 | case Opt_checkpoint_disable_cap_perc: |
837 | if (args->from && match_int(args, &arg)) | |
4354994f | 838 | return -EINVAL; |
4d3aed70 DR |
839 | if (arg < 0 || arg > 100) |
840 | return -EINVAL; | |
1ae18f71 | 841 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
842 | set_opt(sbi, DISABLE_CHECKPOINT); |
843 | break; | |
844 | case Opt_checkpoint_disable_cap: | |
845 | if (args->from && match_int(args, &arg)) | |
846 | return -EINVAL; | |
847 | F2FS_OPTION(sbi).unusable_cap = arg; | |
848 | set_opt(sbi, DISABLE_CHECKPOINT); | |
849 | break; | |
850 | case Opt_checkpoint_disable: | |
851 | set_opt(sbi, DISABLE_CHECKPOINT); | |
852 | break; | |
853 | case Opt_checkpoint_enable: | |
854 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 855 | break; |
4c8ff709 CY |
856 | case Opt_compress_algorithm: |
857 | if (!f2fs_sb_has_compression(sbi)) { | |
858 | f2fs_err(sbi, "Compression feature if off"); | |
859 | return -EINVAL; | |
860 | } | |
861 | name = match_strdup(&args[0]); | |
862 | if (!name) | |
863 | return -ENOMEM; | |
3c57f751 | 864 | if (!strcmp(name, "lzo")) { |
4c8ff709 CY |
865 | F2FS_OPTION(sbi).compress_algorithm = |
866 | COMPRESS_LZO; | |
3c57f751 | 867 | } else if (!strcmp(name, "lz4")) { |
4c8ff709 CY |
868 | F2FS_OPTION(sbi).compress_algorithm = |
869 | COMPRESS_LZ4; | |
3c57f751 | 870 | } else if (!strcmp(name, "zstd")) { |
50cfa66f CY |
871 | F2FS_OPTION(sbi).compress_algorithm = |
872 | COMPRESS_ZSTD; | |
6d92b201 CY |
873 | } else if (!strcmp(name, "lzo-rle")) { |
874 | F2FS_OPTION(sbi).compress_algorithm = | |
875 | COMPRESS_LZORLE; | |
4c8ff709 CY |
876 | } else { |
877 | kfree(name); | |
878 | return -EINVAL; | |
879 | } | |
880 | kfree(name); | |
881 | break; | |
882 | case Opt_compress_log_size: | |
883 | if (!f2fs_sb_has_compression(sbi)) { | |
884 | f2fs_err(sbi, "Compression feature is off"); | |
885 | return -EINVAL; | |
886 | } | |
887 | if (args->from && match_int(args, &arg)) | |
888 | return -EINVAL; | |
889 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
890 | arg > MAX_COMPRESS_LOG_SIZE) { | |
891 | f2fs_err(sbi, | |
892 | "Compress cluster log size is out of range"); | |
893 | return -EINVAL; | |
894 | } | |
895 | F2FS_OPTION(sbi).compress_log_size = arg; | |
896 | break; | |
897 | case Opt_compress_extension: | |
898 | if (!f2fs_sb_has_compression(sbi)) { | |
899 | f2fs_err(sbi, "Compression feature is off"); | |
900 | return -EINVAL; | |
901 | } | |
902 | name = match_strdup(&args[0]); | |
903 | if (!name) | |
904 | return -ENOMEM; | |
905 | ||
906 | ext = F2FS_OPTION(sbi).extensions; | |
907 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
908 | ||
909 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
910 | ext_cnt >= COMPRESS_EXT_NUM) { | |
911 | f2fs_err(sbi, | |
912 | "invalid extension length/number"); | |
913 | kfree(name); | |
914 | return -EINVAL; | |
915 | } | |
916 | ||
917 | strcpy(ext[ext_cnt], name); | |
918 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
919 | kfree(name); | |
920 | break; | |
696c018c | 921 | default: |
dcbb4c10 JP |
922 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
923 | p); | |
696c018c NJ |
924 | return -EINVAL; |
925 | } | |
926 | } | |
4b2414d0 CY |
927 | #ifdef CONFIG_QUOTA |
928 | if (f2fs_check_quota_options(sbi)) | |
929 | return -EINVAL; | |
00960c2c | 930 | #else |
7beb01f7 | 931 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 932 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
933 | return -EINVAL; |
934 | } | |
7beb01f7 | 935 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 936 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
937 | return -EINVAL; |
938 | } | |
4b2414d0 | 939 | #endif |
5aba5430 DR |
940 | #ifndef CONFIG_UNICODE |
941 | if (f2fs_sb_has_casefold(sbi)) { | |
942 | f2fs_err(sbi, | |
943 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
944 | return -EINVAL; | |
945 | } | |
946 | #endif | |
ec91538d | 947 | |
b0332a0f | 948 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
949 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
950 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
951 | return -EINVAL; |
952 | } | |
6afc662e CY |
953 | |
954 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
955 | int min_size, max_size; |
956 | ||
7beb01f7 CY |
957 | if (!f2fs_sb_has_extra_attr(sbi) || |
958 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 959 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
960 | return -EINVAL; |
961 | } | |
6afc662e | 962 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 963 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
964 | return -EINVAL; |
965 | } | |
70db5b04 JK |
966 | |
967 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 968 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
969 | |
970 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
971 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
972 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
973 | min_size, max_size); | |
6afc662e CY |
974 | return -EINVAL; |
975 | } | |
976 | } | |
0cdd3195 | 977 | |
b0332a0f | 978 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
dcbb4c10 | 979 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
980 | return -EINVAL; |
981 | } | |
982 | ||
0cdd3195 HL |
983 | /* Not pass down write hints if the number of active logs is lesser |
984 | * than NR_CURSEG_TYPE. | |
985 | */ | |
63189b78 CY |
986 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
987 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
988 | return 0; |
989 | } | |
990 | ||
aff063e2 JK |
991 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
992 | { | |
993 | struct f2fs_inode_info *fi; | |
994 | ||
a0acdfe0 | 995 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
996 | if (!fi) |
997 | return NULL; | |
998 | ||
999 | init_once((void *) fi); | |
1000 | ||
434720fa | 1001 | /* Initialize f2fs-specific inode info */ |
204706c7 | 1002 | atomic_set(&fi->dirty_pages, 0); |
d928bfbf | 1003 | init_rwsem(&fi->i_sem); |
c10c9820 | 1004 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 1005 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 1006 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 1007 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
1008 | INIT_LIST_HEAD(&fi->inmem_pages); |
1009 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
1010 | init_rwsem(&fi->i_gc_rwsem[READ]); |
1011 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 1012 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 1013 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 1014 | |
ab9fa662 JK |
1015 | /* Will be used by directory only */ |
1016 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 1017 | |
aff063e2 JK |
1018 | return &fi->vfs_inode; |
1019 | } | |
1020 | ||
531ad7d5 JK |
1021 | static int f2fs_drop_inode(struct inode *inode) |
1022 | { | |
a8933b6b | 1023 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 1024 | int ret; |
a8933b6b CY |
1025 | |
1026 | /* | |
1027 | * during filesystem shutdown, if checkpoint is disabled, | |
1028 | * drop useless meta/node dirty pages. | |
1029 | */ | |
1030 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
1031 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1032 | inode->i_ino == F2FS_META_INO(sbi)) { | |
1033 | trace_f2fs_drop_inode(inode, 1); | |
1034 | return 1; | |
1035 | } | |
1036 | } | |
1037 | ||
531ad7d5 JK |
1038 | /* |
1039 | * This is to avoid a deadlock condition like below. | |
1040 | * writeback_single_inode(inode) | |
1041 | * - f2fs_write_data_page | |
1042 | * - f2fs_gc -> iput -> evict | |
1043 | * - inode_wait_for_writeback(inode) | |
1044 | */ | |
0f18b462 | 1045 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1046 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1047 | /* to avoid evict_inode call simultaneously */ |
1048 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1049 | spin_unlock(&inode->i_lock); |
1050 | ||
1051 | /* some remained atomic pages should discarded */ | |
1052 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 1053 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 1054 | |
3e72f721 JK |
1055 | /* should remain fi->extent_tree for writepage */ |
1056 | f2fs_destroy_extent_node(inode); | |
1057 | ||
06e1bc05 | 1058 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1059 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1060 | |
a0770e13 | 1061 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1062 | inode, NULL, 0, DATA); | |
1063 | truncate_inode_pages_final(inode->i_mapping); | |
1064 | ||
06e1bc05 | 1065 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1066 | f2fs_truncate(inode); |
06e1bc05 JK |
1067 | |
1068 | sb_end_intwrite(inode->i_sb); | |
1069 | ||
06e1bc05 | 1070 | spin_lock(&inode->i_lock); |
3e72f721 | 1071 | atomic_dec(&inode->i_count); |
06e1bc05 | 1072 | } |
b8d96a30 | 1073 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1074 | return 0; |
06e1bc05 | 1075 | } |
b8d96a30 | 1076 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1077 | if (!ret) |
1078 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1079 | trace_f2fs_drop_inode(inode, ret); |
1080 | return ret; | |
531ad7d5 JK |
1081 | } |
1082 | ||
7c45729a | 1083 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1084 | { |
0f18b462 | 1085 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1086 | int ret = 0; |
0f18b462 | 1087 | |
0f18b462 JK |
1088 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1089 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1090 | ret = 1; |
1091 | } else { | |
1092 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1093 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1094 | } |
7c45729a JK |
1095 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1096 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1097 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1098 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1099 | } | |
338bbfa0 | 1100 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1101 | return ret; |
0f18b462 JK |
1102 | } |
1103 | ||
1104 | void f2fs_inode_synced(struct inode *inode) | |
1105 | { | |
1106 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1107 | ||
1108 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1109 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1110 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1111 | return; | |
1112 | } | |
7c45729a JK |
1113 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1114 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1115 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1116 | } | |
0f18b462 | 1117 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1118 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1119 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1120 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1121 | } |
1122 | ||
b56ab837 JK |
1123 | /* |
1124 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1125 | * | |
1126 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1127 | */ | |
1128 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1129 | { | |
1130 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1131 | ||
1132 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1133 | inode->i_ino == F2FS_META_INO(sbi)) | |
1134 | return; | |
1135 | ||
1136 | if (flags == I_DIRTY_TIME) | |
1137 | return; | |
1138 | ||
1139 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) | |
1140 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1141 | ||
7c45729a | 1142 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1143 | } |
1144 | ||
d01718a0 | 1145 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1146 | { |
2c58d548 | 1147 | fscrypt_free_inode(inode); |
aff063e2 JK |
1148 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1149 | } | |
1150 | ||
523be8a6 JK |
1151 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1152 | { | |
41382ec4 | 1153 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 1154 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
1155 | } |
1156 | ||
3c62be17 JK |
1157 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1158 | { | |
1159 | int i; | |
1160 | ||
1161 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1162 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1163 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1164 | kvfree(FDEV(i).blkz_seq); |
3c62be17 JK |
1165 | #endif |
1166 | } | |
5222595d | 1167 | kvfree(sbi->devs); |
3c62be17 JK |
1168 | } |
1169 | ||
aff063e2 JK |
1170 | static void f2fs_put_super(struct super_block *sb) |
1171 | { | |
1172 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1173 | int i; |
cf5c759f | 1174 | bool dropped; |
aff063e2 | 1175 | |
0abd675e | 1176 | f2fs_quota_off_umount(sb); |
aff063e2 | 1177 | |
2658e50d JK |
1178 | /* prevent remaining shrinker jobs */ |
1179 | mutex_lock(&sbi->umount_mutex); | |
1180 | ||
85dc2f2c JK |
1181 | /* |
1182 | * We don't need to do checkpoint when superblock is clean. | |
1183 | * But, the previous checkpoint was not done by umount, it needs to do | |
1184 | * clean checkpoint again. | |
1185 | */ | |
4354994f DR |
1186 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1187 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1188 | struct cp_control cpc = { |
1189 | .reason = CP_UMOUNT, | |
1190 | }; | |
4d57b86d | 1191 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1192 | } |
aff063e2 | 1193 | |
4e6a8d9b | 1194 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1195 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1196 | |
7d20c8ab CY |
1197 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1198 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1199 | struct cp_control cpc = { |
1200 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1201 | }; | |
4d57b86d | 1202 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1203 | } |
1204 | ||
cf779cab JK |
1205 | /* |
1206 | * normally superblock is clean, so we need to release this. | |
1207 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1208 | */ | |
4d57b86d | 1209 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1210 | |
2658e50d JK |
1211 | f2fs_leave_shrinker(sbi); |
1212 | mutex_unlock(&sbi->umount_mutex); | |
1213 | ||
17c19120 | 1214 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1215 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1216 | |
bf22c3cc | 1217 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1218 | |
1219 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1220 | ||
aff063e2 | 1221 | iput(sbi->node_inode); |
7c77bf7d JK |
1222 | sbi->node_inode = NULL; |
1223 | ||
aff063e2 | 1224 | iput(sbi->meta_inode); |
7c77bf7d | 1225 | sbi->meta_inode = NULL; |
aff063e2 | 1226 | |
60aa4d55 ST |
1227 | /* |
1228 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1229 | * above failed with error. | |
1230 | */ | |
1231 | f2fs_destroy_stats(sbi); | |
1232 | ||
aff063e2 | 1233 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1234 | f2fs_destroy_node_manager(sbi); |
1235 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1236 | |
4c8ff709 CY |
1237 | f2fs_destroy_post_read_wq(sbi); |
1238 | ||
5222595d | 1239 | kvfree(sbi->ckpt); |
a398101a | 1240 | |
dc6b2055 | 1241 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
1242 | |
1243 | sb->s_fs_info = NULL; | |
43b6573b KM |
1244 | if (sbi->s_chksum_driver) |
1245 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 1246 | kfree(sbi->raw_super); |
523be8a6 | 1247 | |
3c62be17 | 1248 | destroy_device_list(sbi); |
a999150f | 1249 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1250 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1251 | #ifdef CONFIG_QUOTA |
1252 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1253 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1254 | #endif |
ed318a6c | 1255 | fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx); |
523be8a6 | 1256 | destroy_percpu_info(sbi); |
a912b54d | 1257 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1258 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
1259 | #ifdef CONFIG_UNICODE |
1260 | utf8_unload(sbi->s_encoding); | |
1261 | #endif | |
742532d1 | 1262 | kfree(sbi); |
aff063e2 JK |
1263 | } |
1264 | ||
1265 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1266 | { | |
1267 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1268 | int err = 0; |
aff063e2 | 1269 | |
1f227a3e JK |
1270 | if (unlikely(f2fs_cp_error(sbi))) |
1271 | return 0; | |
4354994f DR |
1272 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1273 | return 0; | |
1f227a3e | 1274 | |
a2a4a7e4 NJ |
1275 | trace_f2fs_sync_fs(sb, sync); |
1276 | ||
4b2414d0 CY |
1277 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1278 | return -EAGAIN; | |
1279 | ||
b7473754 | 1280 | if (sync) { |
d5053a34 JK |
1281 | struct cp_control cpc; |
1282 | ||
119ee914 JK |
1283 | cpc.reason = __get_cp_reason(sbi); |
1284 | ||
fb24fea7 | 1285 | down_write(&sbi->gc_lock); |
4d57b86d | 1286 | err = f2fs_write_checkpoint(sbi, &cpc); |
fb24fea7 | 1287 | up_write(&sbi->gc_lock); |
b7473754 | 1288 | } |
05ca3632 | 1289 | f2fs_trace_ios(NULL, 1); |
aff063e2 | 1290 | |
c34f42e2 | 1291 | return err; |
aff063e2 JK |
1292 | } |
1293 | ||
d6212a5f CL |
1294 | static int f2fs_freeze(struct super_block *sb) |
1295 | { | |
77888c1e | 1296 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1297 | return 0; |
1298 | ||
b4b9d34c JK |
1299 | /* IO error happened before */ |
1300 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1301 | return -EIO; | |
1302 | ||
1303 | /* must be clean, since sync_filesystem() was already called */ | |
1304 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1305 | return -EINVAL; | |
1306 | return 0; | |
d6212a5f CL |
1307 | } |
1308 | ||
1309 | static int f2fs_unfreeze(struct super_block *sb) | |
1310 | { | |
1311 | return 0; | |
1312 | } | |
1313 | ||
ddc34e32 CY |
1314 | #ifdef CONFIG_QUOTA |
1315 | static int f2fs_statfs_project(struct super_block *sb, | |
1316 | kprojid_t projid, struct kstatfs *buf) | |
1317 | { | |
1318 | struct kqid qid; | |
1319 | struct dquot *dquot; | |
1320 | u64 limit; | |
1321 | u64 curblock; | |
1322 | ||
1323 | qid = make_kqid_projid(projid); | |
1324 | dquot = dqget(sb, qid); | |
1325 | if (IS_ERR(dquot)) | |
1326 | return PTR_ERR(dquot); | |
955ac6e5 | 1327 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1328 | |
bf2cbd3c CX |
1329 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1330 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1331 | if (limit) |
1332 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1333 | |
ddc34e32 | 1334 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1335 | curblock = (dquot->dq_dqb.dqb_curspace + |
1336 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1337 | buf->f_blocks = limit; |
1338 | buf->f_bfree = buf->f_bavail = | |
1339 | (buf->f_blocks > curblock) ? | |
1340 | (buf->f_blocks - curblock) : 0; | |
1341 | } | |
1342 | ||
bf2cbd3c CX |
1343 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1344 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1345 | |
ddc34e32 CY |
1346 | if (limit && buf->f_files > limit) { |
1347 | buf->f_files = limit; | |
1348 | buf->f_ffree = | |
1349 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1350 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1351 | } | |
1352 | ||
955ac6e5 | 1353 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1354 | dqput(dquot); |
1355 | return 0; | |
1356 | } | |
1357 | #endif | |
1358 | ||
aff063e2 JK |
1359 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1360 | { | |
1361 | struct super_block *sb = dentry->d_sb; | |
1362 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1363 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1364 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1365 | u64 avail_node_count; |
aff063e2 JK |
1366 | |
1367 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1368 | user_block_count = sbi->user_block_count; | |
1369 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1370 | buf->f_type = F2FS_SUPER_MAGIC; |
1371 | buf->f_bsize = sbi->blocksize; | |
1372 | ||
1373 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1374 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1375 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1376 | |
1377 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1378 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1379 | buf->f_bfree = 0; | |
1380 | else | |
1381 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1382 | spin_unlock(&sbi->stat_lock); |
4354994f | 1383 | |
63189b78 CY |
1384 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1385 | buf->f_bavail = buf->f_bfree - | |
1386 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1387 | else |
1388 | buf->f_bavail = 0; | |
aff063e2 | 1389 | |
27cae0bc | 1390 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
0cc091d0 JK |
1391 | |
1392 | if (avail_node_count > user_block_count) { | |
1393 | buf->f_files = user_block_count; | |
1394 | buf->f_ffree = buf->f_bavail; | |
1395 | } else { | |
1396 | buf->f_files = avail_node_count; | |
1397 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1398 | buf->f_bavail); | |
1399 | } | |
aff063e2 | 1400 | |
5a20d339 | 1401 | buf->f_namelen = F2FS_NAME_LEN; |
aff063e2 JK |
1402 | buf->f_fsid.val[0] = (u32)id; |
1403 | buf->f_fsid.val[1] = (u32)(id >> 32); | |
1404 | ||
ddc34e32 CY |
1405 | #ifdef CONFIG_QUOTA |
1406 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1407 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1408 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1409 | } | |
1410 | #endif | |
aff063e2 JK |
1411 | return 0; |
1412 | } | |
1413 | ||
4b2414d0 CY |
1414 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1415 | struct super_block *sb) | |
1416 | { | |
1417 | #ifdef CONFIG_QUOTA | |
1418 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1419 | ||
63189b78 | 1420 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1421 | char *fmtname = ""; |
1422 | ||
63189b78 | 1423 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1424 | case QFMT_VFS_OLD: |
1425 | fmtname = "vfsold"; | |
1426 | break; | |
1427 | case QFMT_VFS_V0: | |
1428 | fmtname = "vfsv0"; | |
1429 | break; | |
1430 | case QFMT_VFS_V1: | |
1431 | fmtname = "vfsv1"; | |
1432 | break; | |
1433 | } | |
1434 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1435 | } | |
1436 | ||
63189b78 CY |
1437 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1438 | seq_show_option(seq, "usrjquota", | |
1439 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1440 | |
63189b78 CY |
1441 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1442 | seq_show_option(seq, "grpjquota", | |
1443 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1444 | |
63189b78 CY |
1445 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1446 | seq_show_option(seq, "prjjquota", | |
1447 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1448 | #endif |
1449 | } | |
1450 | ||
4c8ff709 CY |
1451 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1452 | struct super_block *sb) | |
1453 | { | |
1454 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1455 | char *algtype = ""; | |
1456 | int i; | |
1457 | ||
1458 | if (!f2fs_sb_has_compression(sbi)) | |
1459 | return; | |
1460 | ||
1461 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1462 | case COMPRESS_LZO: | |
1463 | algtype = "lzo"; | |
1464 | break; | |
1465 | case COMPRESS_LZ4: | |
1466 | algtype = "lz4"; | |
1467 | break; | |
50cfa66f CY |
1468 | case COMPRESS_ZSTD: |
1469 | algtype = "zstd"; | |
1470 | break; | |
6d92b201 CY |
1471 | case COMPRESS_LZORLE: |
1472 | algtype = "lzo-rle"; | |
1473 | break; | |
4c8ff709 CY |
1474 | } |
1475 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1476 | ||
1477 | seq_printf(seq, ",compress_log_size=%u", | |
1478 | F2FS_OPTION(sbi).compress_log_size); | |
1479 | ||
1480 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1481 | seq_printf(seq, ",compress_extension=%s", | |
1482 | F2FS_OPTION(sbi).extensions[i]); | |
1483 | } | |
1484 | } | |
1485 | ||
aff063e2 JK |
1486 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1487 | { | |
1488 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1489 | ||
bbbc34fd CY |
1490 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1491 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1492 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1493 | seq_printf(seq, ",background_gc=%s", "on"); | |
1494 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1495 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1496 | |
aff063e2 JK |
1497 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1498 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1499 | if (test_opt(sbi, NORECOVERY)) |
1500 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1501 | if (test_opt(sbi, DISCARD)) |
1502 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1503 | else |
1504 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1505 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1506 | seq_puts(seq, ",no_heap"); |
1507 | else | |
1508 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1509 | #ifdef CONFIG_F2FS_FS_XATTR |
1510 | if (test_opt(sbi, XATTR_USER)) | |
1511 | seq_puts(seq, ",user_xattr"); | |
1512 | else | |
1513 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1514 | if (test_opt(sbi, INLINE_XATTR)) |
1515 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1516 | else |
1517 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1518 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1519 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1520 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1521 | #endif |
1522 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1523 | if (test_opt(sbi, POSIX_ACL)) | |
1524 | seq_puts(seq, ",acl"); | |
1525 | else | |
1526 | seq_puts(seq, ",noacl"); | |
1527 | #endif | |
1528 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1529 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1530 | if (test_opt(sbi, INLINE_DATA)) |
1531 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1532 | else |
1533 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1534 | if (test_opt(sbi, INLINE_DENTRY)) |
1535 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1536 | else |
1537 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1538 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1539 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1540 | if (test_opt(sbi, NOBARRIER)) |
1541 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1542 | if (test_opt(sbi, FASTBOOT)) |
1543 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1544 | if (test_opt(sbi, EXTENT_CACHE)) |
1545 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1546 | else |
1547 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1548 | if (test_opt(sbi, DATA_FLUSH)) |
1549 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1550 | |
1551 | seq_puts(seq, ",mode="); | |
b0332a0f | 1552 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1553 | seq_puts(seq, "adaptive"); |
b0332a0f | 1554 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1555 | seq_puts(seq, "lfs"); |
63189b78 | 1556 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1557 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1558 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1559 | F2FS_OPTION(sbi).root_reserved_blocks, |
1560 | from_kuid_munged(&init_user_ns, | |
1561 | F2FS_OPTION(sbi).s_resuid), | |
1562 | from_kgid_munged(&init_user_ns, | |
1563 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1564 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1565 | seq_printf(seq, ",io_bits=%u", |
1566 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1567 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1568 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1569 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1570 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1571 | seq_printf(seq, ",fault_type=%u", |
1572 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1573 | } | |
0cc0dec2 | 1574 | #endif |
0abd675e | 1575 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1576 | if (test_opt(sbi, QUOTA)) |
1577 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1578 | if (test_opt(sbi, USRQUOTA)) |
1579 | seq_puts(seq, ",usrquota"); | |
1580 | if (test_opt(sbi, GRPQUOTA)) | |
1581 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1582 | if (test_opt(sbi, PRJQUOTA)) |
1583 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1584 | #endif |
4b2414d0 | 1585 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1586 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1587 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1588 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1589 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
ed318a6c EB |
1590 | |
1591 | fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb); | |
aff063e2 | 1592 | |
63189b78 | 1593 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1594 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1595 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1596 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1597 | |
4354994f | 1598 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1599 | seq_printf(seq, ",checkpoint=disable:%u", |
1600 | F2FS_OPTION(sbi).unusable_cap); | |
63189b78 | 1601 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1602 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1603 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1604 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1605 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1606 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 CY |
1607 | |
1608 | f2fs_show_compress_options(seq, sbi->sb); | |
aff063e2 JK |
1609 | return 0; |
1610 | } | |
1611 | ||
498c5e9f YH |
1612 | static void default_options(struct f2fs_sb_info *sbi) |
1613 | { | |
1614 | /* init some FS parameters */ | |
63189b78 CY |
1615 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_TYPE; |
1616 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
1617 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1618 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1619 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
0aa7e0f8 CY |
1620 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1621 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 1622 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
1623 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
1624 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
bbbc34fd | 1625 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
498c5e9f | 1626 | |
39133a50 | 1627 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1628 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1629 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1630 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1631 | set_opt(sbi, NOHEAP); |
4354994f | 1632 | clear_opt(sbi, DISABLE_CHECKPOINT); |
4d3aed70 | 1633 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1634 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1635 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1636 | set_opt(sbi, DISCARD); |
7beb01f7 | 1637 | if (f2fs_sb_has_blkzoned(sbi)) |
b0332a0f | 1638 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
a39e5365 | 1639 | else |
b0332a0f | 1640 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
498c5e9f YH |
1641 | |
1642 | #ifdef CONFIG_F2FS_FS_XATTR | |
1643 | set_opt(sbi, XATTR_USER); | |
1644 | #endif | |
1645 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1646 | set_opt(sbi, POSIX_ACL); | |
1647 | #endif | |
36dbd328 | 1648 | |
d494500a | 1649 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1650 | } |
1651 | ||
ea676733 JK |
1652 | #ifdef CONFIG_QUOTA |
1653 | static int f2fs_enable_quotas(struct super_block *sb); | |
1654 | #endif | |
4354994f DR |
1655 | |
1656 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1657 | { | |
812a9597 | 1658 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1659 | struct cp_control cpc; |
812a9597 JK |
1660 | int err = 0; |
1661 | int ret; | |
4d3aed70 | 1662 | block_t unusable; |
4354994f | 1663 | |
812a9597 | 1664 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1665 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1666 | return -EINVAL; |
1667 | } | |
4354994f DR |
1668 | sbi->sb->s_flags |= SB_ACTIVE; |
1669 | ||
4354994f DR |
1670 | f2fs_update_time(sbi, DISABLE_TIME); |
1671 | ||
1672 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
fb24fea7 | 1673 | down_write(&sbi->gc_lock); |
4354994f | 1674 | err = f2fs_gc(sbi, true, false, NULL_SEGNO); |
812a9597 JK |
1675 | if (err == -ENODATA) { |
1676 | err = 0; | |
4354994f | 1677 | break; |
812a9597 | 1678 | } |
8f31b466 | 1679 | if (err && err != -EAGAIN) |
812a9597 | 1680 | break; |
4354994f | 1681 | } |
4354994f | 1682 | |
812a9597 JK |
1683 | ret = sync_filesystem(sbi->sb); |
1684 | if (ret || err) { | |
1685 | err = ret ? ret: err; | |
1686 | goto restore_flag; | |
1687 | } | |
4354994f | 1688 | |
4d3aed70 DR |
1689 | unusable = f2fs_get_unusable_blocks(sbi); |
1690 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1691 | err = -EAGAIN; |
1692 | goto restore_flag; | |
1693 | } | |
4354994f | 1694 | |
fb24fea7 | 1695 | down_write(&sbi->gc_lock); |
4354994f DR |
1696 | cpc.reason = CP_PAUSE; |
1697 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1698 | err = f2fs_write_checkpoint(sbi, &cpc); |
1699 | if (err) | |
1700 | goto out_unlock; | |
4354994f | 1701 | |
c9c8ed50 | 1702 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1703 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1704 | spin_unlock(&sbi->stat_lock); |
1705 | ||
896285ad | 1706 | out_unlock: |
fb24fea7 | 1707 | up_write(&sbi->gc_lock); |
812a9597 | 1708 | restore_flag: |
7a88ddb5 | 1709 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 1710 | return err; |
4354994f DR |
1711 | } |
1712 | ||
1713 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1714 | { | |
fb24fea7 | 1715 | down_write(&sbi->gc_lock); |
4354994f DR |
1716 | f2fs_dirty_to_prefree(sbi); |
1717 | ||
1718 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1719 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
fb24fea7 | 1720 | up_write(&sbi->gc_lock); |
4354994f DR |
1721 | |
1722 | f2fs_sync_fs(sbi->sb, 1); | |
1723 | } | |
1724 | ||
696c018c NJ |
1725 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1726 | { | |
1727 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1728 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1729 | unsigned long old_sb_flags; |
63189b78 | 1730 | int err; |
876dc59e GZ |
1731 | bool need_restart_gc = false; |
1732 | bool need_stop_gc = false; | |
9cd81ce3 | 1733 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f | 1734 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 1735 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
4354994f | 1736 | bool checkpoint_changed; |
4b2414d0 | 1737 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1738 | int i, j; |
1739 | #endif | |
696c018c NJ |
1740 | |
1741 | /* | |
1742 | * Save the old mount options in case we | |
1743 | * need to restore them. | |
1744 | */ | |
1745 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1746 | old_sb_flags = sb->s_flags; |
696c018c | 1747 | |
4b2414d0 | 1748 | #ifdef CONFIG_QUOTA |
63189b78 | 1749 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1750 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1751 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1752 | org_mount_opt.s_qf_names[i] = | |
1753 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1754 | GFP_KERNEL); | |
1755 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1756 | for (j = 0; j < i; j++) |
ba87a45c | 1757 | kfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1758 | return -ENOMEM; |
1759 | } | |
1760 | } else { | |
63189b78 | 1761 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1762 | } |
1763 | } | |
1764 | #endif | |
1765 | ||
df728b0f | 1766 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1767 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1768 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1769 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1770 | err); | |
df728b0f JK |
1771 | if (!err) |
1772 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1773 | } | |
1774 | ||
498c5e9f | 1775 | default_options(sbi); |
26666c8a | 1776 | |
696c018c | 1777 | /* parse mount options */ |
ed318a6c | 1778 | err = parse_options(sb, data, true); |
696c018c NJ |
1779 | if (err) |
1780 | goto restore_opts; | |
4354994f DR |
1781 | checkpoint_changed = |
1782 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1783 | |
1784 | /* | |
1785 | * Previous and new state of filesystem is RO, | |
876dc59e | 1786 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 1787 | */ |
1751e8a6 | 1788 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
1789 | goto skip; |
1790 | ||
ea676733 | 1791 | #ifdef CONFIG_QUOTA |
1751e8a6 | 1792 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
1793 | err = dquot_suspend(sb, -1); |
1794 | if (err < 0) | |
1795 | goto restore_opts; | |
4354994f | 1796 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 1797 | /* dquot_resume needs RW */ |
1751e8a6 | 1798 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
1799 | if (sb_any_quota_suspended(sb)) { |
1800 | dquot_resume(sb, -1); | |
7beb01f7 | 1801 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
1802 | err = f2fs_enable_quotas(sb); |
1803 | if (err) | |
1804 | goto restore_opts; | |
1805 | } | |
0abd675e | 1806 | } |
ea676733 | 1807 | #endif |
9cd81ce3 CY |
1808 | /* disallow enable/disable extent_cache dynamically */ |
1809 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
1810 | err = -EINVAL; | |
dcbb4c10 | 1811 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
1812 | goto restore_opts; |
1813 | } | |
1814 | ||
1f78adfa CY |
1815 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
1816 | err = -EINVAL; | |
1817 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
1818 | goto restore_opts; | |
1819 | } | |
1820 | ||
4354994f DR |
1821 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
1822 | err = -EINVAL; | |
dcbb4c10 | 1823 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
1824 | goto restore_opts; |
1825 | } | |
1826 | ||
696c018c NJ |
1827 | /* |
1828 | * We stop the GC thread if FS is mounted as RO | |
1829 | * or if background_gc = off is passed in mount | |
1830 | * option. Also sync the filesystem. | |
1831 | */ | |
bbbc34fd CY |
1832 | if ((*flags & SB_RDONLY) || |
1833 | F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) { | |
696c018c | 1834 | if (sbi->gc_thread) { |
4d57b86d | 1835 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1836 | need_restart_gc = true; |
696c018c | 1837 | } |
aba291b3 | 1838 | } else if (!sbi->gc_thread) { |
4d57b86d | 1839 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
1840 | if (err) |
1841 | goto restore_opts; | |
876dc59e GZ |
1842 | need_stop_gc = true; |
1843 | } | |
1844 | ||
63189b78 CY |
1845 | if (*flags & SB_RDONLY || |
1846 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
1847 | writeback_inodes_sb(sb, WB_REASON_SYNC); |
1848 | sync_inodes_sb(sb); | |
1849 | ||
1850 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1851 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
1852 | f2fs_sync_fs(sb, 1); | |
1853 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
1854 | } | |
1855 | ||
4354994f DR |
1856 | if (checkpoint_changed) { |
1857 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
1858 | err = f2fs_disable_checkpoint(sbi); | |
1859 | if (err) | |
1860 | goto restore_gc; | |
1861 | } else { | |
1862 | f2fs_enable_checkpoint(sbi); | |
1863 | } | |
1864 | } | |
1865 | ||
876dc59e GZ |
1866 | /* |
1867 | * We stop issue flush thread if FS is mounted as RO | |
1868 | * or if flush_merge is not passed in mount option. | |
1869 | */ | |
1751e8a6 | 1870 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 1871 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 1872 | f2fs_destroy_flush_cmd_control(sbi, false); |
5eba8c5d | 1873 | } else { |
4d57b86d | 1874 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 1875 | if (err) |
a688b9d9 | 1876 | goto restore_gc; |
696c018c NJ |
1877 | } |
1878 | skip: | |
4b2414d0 CY |
1879 | #ifdef CONFIG_QUOTA |
1880 | /* Release old quota file names */ | |
1881 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1882 | kfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 1883 | #endif |
696c018c | 1884 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
1885 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
1886 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 1887 | |
7e65be49 | 1888 | limit_reserve_root(sbi); |
1ae18f71 | 1889 | adjust_unusable_cap_perc(sbi); |
095680f2 | 1890 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 1891 | return 0; |
876dc59e GZ |
1892 | restore_gc: |
1893 | if (need_restart_gc) { | |
4d57b86d | 1894 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 1895 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 1896 | } else if (need_stop_gc) { |
4d57b86d | 1897 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1898 | } |
696c018c | 1899 | restore_opts: |
4b2414d0 | 1900 | #ifdef CONFIG_QUOTA |
63189b78 | 1901 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 1902 | for (i = 0; i < MAXQUOTAS; i++) { |
ba87a45c | 1903 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 1904 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
1905 | } |
1906 | #endif | |
696c018c | 1907 | sbi->mount_opt = org_mount_opt; |
0abd675e | 1908 | sb->s_flags = old_sb_flags; |
696c018c NJ |
1909 | return err; |
1910 | } | |
1911 | ||
0abd675e CY |
1912 | #ifdef CONFIG_QUOTA |
1913 | /* Read data from quotafile */ | |
1914 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
1915 | size_t len, loff_t off) | |
1916 | { | |
1917 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1918 | struct address_space *mapping = inode->i_mapping; | |
1919 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
1920 | int offset = off & (sb->s_blocksize - 1); | |
1921 | int tocopy; | |
1922 | size_t toread; | |
1923 | loff_t i_size = i_size_read(inode); | |
1924 | struct page *page; | |
1925 | char *kaddr; | |
1926 | ||
1927 | if (off > i_size) | |
1928 | return 0; | |
1929 | ||
1930 | if (off + len > i_size) | |
1931 | len = i_size - off; | |
1932 | toread = len; | |
1933 | while (toread > 0) { | |
1934 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
1935 | repeat: | |
02117b8a | 1936 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
1937 | if (IS_ERR(page)) { |
1938 | if (PTR_ERR(page) == -ENOMEM) { | |
5df7731f CY |
1939 | congestion_wait(BLK_RW_ASYNC, |
1940 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
1941 | goto repeat; |
1942 | } | |
af033b2a | 1943 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1944 | return PTR_ERR(page); |
4e46a023 | 1945 | } |
0abd675e CY |
1946 | |
1947 | lock_page(page); | |
1948 | ||
1949 | if (unlikely(page->mapping != mapping)) { | |
1950 | f2fs_put_page(page, 1); | |
1951 | goto repeat; | |
1952 | } | |
1953 | if (unlikely(!PageUptodate(page))) { | |
1954 | f2fs_put_page(page, 1); | |
af033b2a | 1955 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
1956 | return -EIO; |
1957 | } | |
1958 | ||
1959 | kaddr = kmap_atomic(page); | |
1960 | memcpy(data, kaddr + offset, tocopy); | |
1961 | kunmap_atomic(kaddr); | |
1962 | f2fs_put_page(page, 1); | |
1963 | ||
1964 | offset = 0; | |
1965 | toread -= tocopy; | |
1966 | data += tocopy; | |
1967 | blkidx++; | |
1968 | } | |
1969 | return len; | |
1970 | } | |
1971 | ||
1972 | /* Write to quotafile */ | |
1973 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
1974 | const char *data, size_t len, loff_t off) | |
1975 | { | |
1976 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1977 | struct address_space *mapping = inode->i_mapping; | |
1978 | const struct address_space_operations *a_ops = mapping->a_ops; | |
1979 | int offset = off & (sb->s_blocksize - 1); | |
1980 | size_t towrite = len; | |
1981 | struct page *page; | |
62f63eea | 1982 | void *fsdata = NULL; |
0abd675e CY |
1983 | char *kaddr; |
1984 | int err = 0; | |
1985 | int tocopy; | |
1986 | ||
1987 | while (towrite > 0) { | |
1988 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
1989 | towrite); | |
4e46a023 | 1990 | retry: |
0abd675e | 1991 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
62f63eea | 1992 | &page, &fsdata); |
4e46a023 JK |
1993 | if (unlikely(err)) { |
1994 | if (err == -ENOMEM) { | |
5df7731f CY |
1995 | congestion_wait(BLK_RW_ASYNC, |
1996 | DEFAULT_IO_TIMEOUT); | |
4e46a023 JK |
1997 | goto retry; |
1998 | } | |
af033b2a | 1999 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2000 | break; |
4e46a023 | 2001 | } |
0abd675e CY |
2002 | |
2003 | kaddr = kmap_atomic(page); | |
2004 | memcpy(kaddr + offset, data, tocopy); | |
2005 | kunmap_atomic(kaddr); | |
2006 | flush_dcache_page(page); | |
2007 | ||
2008 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 2009 | page, fsdata); |
0abd675e CY |
2010 | offset = 0; |
2011 | towrite -= tocopy; | |
2012 | off += tocopy; | |
2013 | data += tocopy; | |
2014 | cond_resched(); | |
2015 | } | |
2016 | ||
2017 | if (len == towrite) | |
6e5b5d41 | 2018 | return err; |
0abd675e CY |
2019 | inode->i_mtime = inode->i_ctime = current_time(inode); |
2020 | f2fs_mark_inode_dirty_sync(inode, false); | |
2021 | return len - towrite; | |
2022 | } | |
2023 | ||
2024 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
2025 | { | |
2026 | return F2FS_I(inode)->i_dquot; | |
2027 | } | |
2028 | ||
2029 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
2030 | { | |
2031 | return &F2FS_I(inode)->i_reserved_quota; | |
2032 | } | |
2033 | ||
4b2414d0 CY |
2034 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2035 | { | |
af033b2a | 2036 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2037 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2038 | return 0; |
2039 | } | |
2040 | ||
63189b78 CY |
2041 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2042 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2043 | } |
2044 | ||
ea676733 | 2045 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2046 | { |
ea676733 JK |
2047 | int enabled = 0; |
2048 | int i, err; | |
2049 | ||
7beb01f7 | 2050 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2051 | err = f2fs_enable_quotas(sbi->sb); |
2052 | if (err) { | |
dcbb4c10 | 2053 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2054 | return 0; |
2055 | } | |
2056 | return 1; | |
2057 | } | |
4b2414d0 CY |
2058 | |
2059 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2060 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2061 | err = f2fs_quota_on_mount(sbi, i); |
2062 | if (!err) { | |
2063 | enabled = 1; | |
2064 | continue; | |
2065 | } | |
dcbb4c10 JP |
2066 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2067 | err, i); | |
4b2414d0 CY |
2068 | } |
2069 | } | |
ea676733 JK |
2070 | return enabled; |
2071 | } | |
2072 | ||
2073 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2074 | unsigned int flags) | |
2075 | { | |
2076 | struct inode *qf_inode; | |
2077 | unsigned long qf_inum; | |
2078 | int err; | |
2079 | ||
7beb01f7 | 2080 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2081 | |
2082 | qf_inum = f2fs_qf_ino(sb, type); | |
2083 | if (!qf_inum) | |
2084 | return -EPERM; | |
2085 | ||
2086 | qf_inode = f2fs_iget(sb, qf_inum); | |
2087 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2088 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2089 | return PTR_ERR(qf_inode); |
2090 | } | |
2091 | ||
2092 | /* Don't account quota for quota files to avoid recursion */ | |
2093 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2094 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2095 | iput(qf_inode); |
2096 | return err; | |
2097 | } | |
2098 | ||
2099 | static int f2fs_enable_quotas(struct super_block *sb) | |
2100 | { | |
dcbb4c10 | 2101 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2102 | int type, err = 0; |
2103 | unsigned long qf_inum; | |
2104 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2105 | test_opt(sbi, USRQUOTA), |
2106 | test_opt(sbi, GRPQUOTA), | |
2107 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2108 | }; |
2109 | ||
af033b2a | 2110 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2111 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2112 | return 0; |
2113 | } | |
2114 | ||
2115 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2116 | ||
ea676733 JK |
2117 | for (type = 0; type < MAXQUOTAS; type++) { |
2118 | qf_inum = f2fs_qf_ino(sb, type); | |
2119 | if (qf_inum) { | |
2120 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2121 | DQUOT_USAGE_ENABLED | | |
2122 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2123 | if (err) { | |
dcbb4c10 JP |
2124 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2125 | type, err); | |
ea676733 JK |
2126 | for (type--; type >= 0; type--) |
2127 | dquot_quota_off(sb, type); | |
af033b2a CY |
2128 | set_sbi_flag(F2FS_SB(sb), |
2129 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2130 | return err; |
2131 | } | |
4b2414d0 CY |
2132 | } |
2133 | } | |
ea676733 | 2134 | return 0; |
4b2414d0 CY |
2135 | } |
2136 | ||
af033b2a | 2137 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2138 | { |
af033b2a | 2139 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2140 | struct quota_info *dqopt = sb_dqopt(sb); |
2141 | int cnt; | |
2142 | int ret; | |
2143 | ||
db6ec53b JK |
2144 | /* |
2145 | * do_quotactl | |
2146 | * f2fs_quota_sync | |
2147 | * down_read(quota_sem) | |
2148 | * dquot_writeback_dquots() | |
2149 | * f2fs_dquot_commit | |
2150 | * block_operation | |
2151 | * down_read(quota_sem) | |
2152 | */ | |
2153 | f2fs_lock_op(sbi); | |
2154 | ||
2155 | down_read(&sbi->quota_sem); | |
0abd675e CY |
2156 | ret = dquot_writeback_dquots(sb, type); |
2157 | if (ret) | |
af033b2a | 2158 | goto out; |
0abd675e CY |
2159 | |
2160 | /* | |
2161 | * Now when everything is written we can discard the pagecache so | |
2162 | * that userspace sees the changes. | |
2163 | */ | |
2164 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
2165 | struct address_space *mapping; |
2166 | ||
0abd675e CY |
2167 | if (type != -1 && cnt != type) |
2168 | continue; | |
2169 | if (!sb_has_quota_active(sb, cnt)) | |
2170 | continue; | |
2171 | ||
af033b2a CY |
2172 | mapping = dqopt->files[cnt]->i_mapping; |
2173 | ||
2174 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 2175 | if (ret) |
af033b2a CY |
2176 | goto out; |
2177 | ||
2178 | /* if we are using journalled quota */ | |
2179 | if (is_journalled_quota(sbi)) | |
2180 | continue; | |
2181 | ||
2182 | ret = filemap_fdatawait(mapping); | |
2183 | if (ret) | |
2184 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
2185 | |
2186 | inode_lock(dqopt->files[cnt]); | |
2187 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
2188 | inode_unlock(dqopt->files[cnt]); | |
2189 | } | |
af033b2a CY |
2190 | out: |
2191 | if (ret) | |
2192 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
2193 | up_read(&sbi->quota_sem); |
2194 | f2fs_unlock_op(sbi); | |
af033b2a | 2195 | return ret; |
0abd675e CY |
2196 | } |
2197 | ||
2198 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2199 | const struct path *path) | |
2200 | { | |
2201 | struct inode *inode; | |
2202 | int err; | |
2203 | ||
fe973b06 CY |
2204 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2205 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2206 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2207 | return -EBUSY; | |
2208 | } | |
2209 | ||
9a20d391 | 2210 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2211 | if (err) |
2212 | return err; | |
2213 | ||
2214 | err = dquot_quota_on(sb, type, format_id, path); | |
2215 | if (err) | |
2216 | return err; | |
2217 | ||
2218 | inode = d_inode(path->dentry); | |
2219 | ||
2220 | inode_lock(inode); | |
59c84408 | 2221 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2222 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2223 | inode_unlock(inode); |
2224 | f2fs_mark_inode_dirty_sync(inode, false); | |
2225 | ||
2226 | return 0; | |
2227 | } | |
2228 | ||
fe973b06 | 2229 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2230 | { |
2231 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2232 | int err; | |
2233 | ||
2234 | if (!inode || !igrab(inode)) | |
2235 | return dquot_quota_off(sb, type); | |
2236 | ||
cda9cc59 YH |
2237 | err = f2fs_quota_sync(sb, type); |
2238 | if (err) | |
2239 | goto out_put; | |
0abd675e CY |
2240 | |
2241 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2242 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2243 | goto out_put; |
2244 | ||
2245 | inode_lock(inode); | |
59c84408 | 2246 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2247 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2248 | inode_unlock(inode); |
2249 | f2fs_mark_inode_dirty_sync(inode, false); | |
2250 | out_put: | |
2251 | iput(inode); | |
2252 | return err; | |
2253 | } | |
2254 | ||
fe973b06 CY |
2255 | static int f2fs_quota_off(struct super_block *sb, int type) |
2256 | { | |
2257 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2258 | int err; | |
2259 | ||
2260 | err = __f2fs_quota_off(sb, type); | |
2261 | ||
2262 | /* | |
2263 | * quotactl can shutdown journalled quota, result in inconsistence | |
2264 | * between quota record and fs data by following updates, tag the | |
2265 | * flag to let fsck be aware of it. | |
2266 | */ | |
2267 | if (is_journalled_quota(sbi)) | |
2268 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2269 | return err; | |
2270 | } | |
2271 | ||
4b2414d0 | 2272 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2273 | { |
2274 | int type; | |
cda9cc59 YH |
2275 | int err; |
2276 | ||
2277 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2278 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2279 | if (err) { |
2280 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2281 | |
dcbb4c10 JP |
2282 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2283 | type, err, ret); | |
af033b2a | 2284 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2285 | } |
2286 | } | |
0e0667b6 JK |
2287 | /* |
2288 | * In case of checkpoint=disable, we must flush quota blocks. | |
2289 | * This can cause NULL exception for node_inode in end_io, since | |
2290 | * put_super already dropped it. | |
2291 | */ | |
2292 | sync_filesystem(sb); | |
0abd675e CY |
2293 | } |
2294 | ||
26b5a079 SY |
2295 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2296 | { | |
2297 | struct quota_info *dqopt = sb_dqopt(sb); | |
2298 | int type; | |
2299 | ||
2300 | for (type = 0; type < MAXQUOTAS; type++) { | |
2301 | if (!dqopt->files[type]) | |
2302 | continue; | |
2303 | f2fs_inode_synced(dqopt->files[type]); | |
2304 | } | |
2305 | } | |
2306 | ||
af033b2a CY |
2307 | static int f2fs_dquot_commit(struct dquot *dquot) |
2308 | { | |
db6ec53b | 2309 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2310 | int ret; |
2311 | ||
2c4e0c52 | 2312 | down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2313 | ret = dquot_commit(dquot); |
2314 | if (ret < 0) | |
db6ec53b JK |
2315 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2316 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2317 | return ret; |
2318 | } | |
2319 | ||
2320 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2321 | { | |
db6ec53b | 2322 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2323 | int ret; |
2324 | ||
db6ec53b | 2325 | down_read(&sbi->quota_sem); |
af033b2a CY |
2326 | ret = dquot_acquire(dquot); |
2327 | if (ret < 0) | |
db6ec53b JK |
2328 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2329 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2330 | return ret; |
2331 | } | |
2332 | ||
2333 | static int f2fs_dquot_release(struct dquot *dquot) | |
2334 | { | |
db6ec53b | 2335 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2336 | int ret = dquot_release(dquot); |
af033b2a | 2337 | |
af033b2a | 2338 | if (ret < 0) |
db6ec53b | 2339 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2340 | return ret; |
2341 | } | |
2342 | ||
2343 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2344 | { | |
2345 | struct super_block *sb = dquot->dq_sb; | |
2346 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2347 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2348 | |
2349 | /* if we are using journalled quota */ | |
2350 | if (is_journalled_quota(sbi)) | |
2351 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2352 | ||
2353 | return ret; | |
2354 | } | |
2355 | ||
2356 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2357 | { | |
db6ec53b | 2358 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2359 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2360 | |
af033b2a | 2361 | if (ret < 0) |
db6ec53b | 2362 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2363 | return ret; |
2364 | } | |
26b5a079 | 2365 | |
94b1e10e | 2366 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2367 | { |
2368 | *projid = F2FS_I(inode)->i_projid; | |
2369 | return 0; | |
2370 | } | |
2371 | ||
0abd675e CY |
2372 | static const struct dquot_operations f2fs_quota_operations = { |
2373 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2374 | .write_dquot = f2fs_dquot_commit, |
2375 | .acquire_dquot = f2fs_dquot_acquire, | |
2376 | .release_dquot = f2fs_dquot_release, | |
2377 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2378 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2379 | .alloc_dquot = dquot_alloc, |
2380 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2381 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2382 | .get_next_id = dquot_get_next_id, |
2383 | }; | |
2384 | ||
2385 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2386 | .quota_on = f2fs_quota_on, | |
2387 | .quota_off = f2fs_quota_off, | |
2388 | .quota_sync = f2fs_quota_sync, | |
2389 | .get_state = dquot_get_state, | |
2390 | .set_info = dquot_set_dqinfo, | |
2391 | .get_dqblk = dquot_get_dqblk, | |
2392 | .set_dqblk = dquot_set_dqblk, | |
2393 | .get_nextdqblk = dquot_get_next_dqblk, | |
2394 | }; | |
2395 | #else | |
af033b2a CY |
2396 | int f2fs_quota_sync(struct super_block *sb, int type) |
2397 | { | |
2398 | return 0; | |
2399 | } | |
2400 | ||
4b2414d0 | 2401 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2402 | { |
2403 | } | |
2404 | #endif | |
2405 | ||
f62fc9f9 | 2406 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2407 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2408 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2409 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2410 | .write_inode = f2fs_write_inode, |
b3783873 | 2411 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2412 | .show_options = f2fs_show_options, |
0abd675e CY |
2413 | #ifdef CONFIG_QUOTA |
2414 | .quota_read = f2fs_quota_read, | |
2415 | .quota_write = f2fs_quota_write, | |
2416 | .get_dquots = f2fs_get_dquots, | |
2417 | #endif | |
aff063e2 JK |
2418 | .evict_inode = f2fs_evict_inode, |
2419 | .put_super = f2fs_put_super, | |
2420 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2421 | .freeze_fs = f2fs_freeze, |
2422 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2423 | .statfs = f2fs_statfs, |
696c018c | 2424 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2425 | }; |
2426 | ||
643fa961 | 2427 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2428 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2429 | { | |
2430 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2431 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2432 | ctx, len, NULL); | |
2433 | } | |
2434 | ||
2435 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2436 | void *fs_data) | |
2437 | { | |
b7c409de SY |
2438 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2439 | ||
2440 | /* | |
2441 | * Encrypting the root directory is not allowed because fsck | |
2442 | * expects lost+found directory to exist and remain unencrypted | |
2443 | * if LOST_FOUND feature is enabled. | |
2444 | * | |
2445 | */ | |
7beb01f7 | 2446 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2447 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2448 | return -EPERM; | |
2449 | ||
0b81d077 JK |
2450 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2451 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2452 | ctx, len, fs_data, XATTR_CREATE); | |
2453 | } | |
2454 | ||
ed318a6c EB |
2455 | static const union fscrypt_context * |
2456 | f2fs_get_dummy_context(struct super_block *sb) | |
ff62af20 | 2457 | { |
ed318a6c | 2458 | return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_ctx.ctx; |
ff62af20 SY |
2459 | } |
2460 | ||
0eee17e3 EB |
2461 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
2462 | { | |
2463 | return true; | |
2464 | } | |
2465 | ||
2466 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
2467 | int *ino_bits_ret, int *lblk_bits_ret) | |
2468 | { | |
2469 | *ino_bits_ret = 8 * sizeof(nid_t); | |
2470 | *lblk_bits_ret = 8 * sizeof(block_t); | |
2471 | } | |
2472 | ||
6f69f0ed | 2473 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
2474 | .key_prefix = "f2fs:", |
2475 | .get_context = f2fs_get_context, | |
2476 | .set_context = f2fs_set_context, | |
ed318a6c | 2477 | .get_dummy_context = f2fs_get_dummy_context, |
0eee17e3 EB |
2478 | .empty_dir = f2fs_empty_dir, |
2479 | .max_namelen = F2FS_NAME_LEN, | |
2480 | .has_stable_inodes = f2fs_has_stable_inodes, | |
2481 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
0b81d077 | 2482 | }; |
0b81d077 JK |
2483 | #endif |
2484 | ||
aff063e2 JK |
2485 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2486 | u64 ino, u32 generation) | |
2487 | { | |
2488 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2489 | struct inode *inode; | |
2490 | ||
4d57b86d | 2491 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2492 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2493 | |
2494 | /* | |
2495 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2496 | * However f2fs_iget currently does appropriate checks to handle stale | |
2497 | * inodes so everything is OK. | |
2498 | */ | |
2499 | inode = f2fs_iget(sb, ino); | |
2500 | if (IS_ERR(inode)) | |
2501 | return ERR_CAST(inode); | |
6bacf52f | 2502 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2503 | /* we didn't find the right inode.. */ |
2504 | iput(inode); | |
2505 | return ERR_PTR(-ESTALE); | |
2506 | } | |
2507 | return inode; | |
2508 | } | |
2509 | ||
2510 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2511 | int fh_len, int fh_type) | |
2512 | { | |
2513 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2514 | f2fs_nfs_get_inode); | |
2515 | } | |
2516 | ||
2517 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2518 | int fh_len, int fh_type) | |
2519 | { | |
2520 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2521 | f2fs_nfs_get_inode); | |
2522 | } | |
2523 | ||
2524 | static const struct export_operations f2fs_export_ops = { | |
2525 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2526 | .fh_to_parent = f2fs_fh_to_parent, | |
2527 | .get_parent = f2fs_get_parent, | |
2528 | }; | |
2529 | ||
e0afc4d6 | 2530 | static loff_t max_file_blocks(void) |
aff063e2 | 2531 | { |
7a2af766 | 2532 | loff_t result = 0; |
d02a6e61 | 2533 | loff_t leaf_count = DEF_ADDRS_PER_BLOCK; |
aff063e2 | 2534 | |
7a2af766 CY |
2535 | /* |
2536 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2537 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2538 | * space in inode.i_addr, it will be more safe to reassign |
2539 | * result as zero. | |
2540 | */ | |
2541 | ||
aff063e2 JK |
2542 | /* two direct node blocks */ |
2543 | result += (leaf_count * 2); | |
2544 | ||
2545 | /* two indirect node blocks */ | |
2546 | leaf_count *= NIDS_PER_BLOCK; | |
2547 | result += (leaf_count * 2); | |
2548 | ||
2549 | /* one double indirect node block */ | |
2550 | leaf_count *= NIDS_PER_BLOCK; | |
2551 | result += leaf_count; | |
2552 | ||
aff063e2 JK |
2553 | return result; |
2554 | } | |
2555 | ||
fd694733 JK |
2556 | static int __f2fs_commit_super(struct buffer_head *bh, |
2557 | struct f2fs_super_block *super) | |
2558 | { | |
2559 | lock_buffer(bh); | |
2560 | if (super) | |
2561 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2562 | set_buffer_dirty(bh); |
2563 | unlock_buffer(bh); | |
2564 | ||
2565 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2566 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2567 | } |
2568 | ||
df728b0f | 2569 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2570 | struct buffer_head *bh) |
9a59b62f | 2571 | { |
fd694733 JK |
2572 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2573 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2574 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2575 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2576 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2577 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2578 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2579 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2580 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2581 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2582 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2583 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2584 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2585 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2586 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2587 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2588 | u64 main_end_blkaddr = main_blkaddr + |
2589 | (segment_count_main << log_blocks_per_seg); | |
2590 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2591 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2592 | |
2593 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2594 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2595 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2596 | return true; |
2597 | } | |
2598 | ||
2599 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2600 | sit_blkaddr) { | |
dcbb4c10 JP |
2601 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2602 | cp_blkaddr, sit_blkaddr, | |
2603 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2604 | return true; |
2605 | } | |
2606 | ||
2607 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2608 | nat_blkaddr) { | |
dcbb4c10 JP |
2609 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2610 | sit_blkaddr, nat_blkaddr, | |
2611 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2612 | return true; |
2613 | } | |
2614 | ||
2615 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2616 | ssa_blkaddr) { | |
dcbb4c10 JP |
2617 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2618 | nat_blkaddr, ssa_blkaddr, | |
2619 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2620 | return true; |
2621 | } | |
2622 | ||
2623 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2624 | main_blkaddr) { | |
dcbb4c10 JP |
2625 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2626 | ssa_blkaddr, main_blkaddr, | |
2627 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2628 | return true; |
2629 | } | |
2630 | ||
fd694733 | 2631 | if (main_end_blkaddr > seg_end_blkaddr) { |
dcbb4c10 JP |
2632 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", |
2633 | main_blkaddr, | |
2634 | segment0_blkaddr + | |
2635 | (segment_count << log_blocks_per_seg), | |
2636 | segment_count_main << log_blocks_per_seg); | |
9a59b62f | 2637 | return true; |
fd694733 JK |
2638 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2639 | int err = 0; | |
2640 | char *res; | |
2641 | ||
2642 | /* fix in-memory information all the time */ | |
2643 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2644 | segment0_blkaddr) >> log_blocks_per_seg); | |
2645 | ||
2646 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2647 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2648 | res = "internally"; |
2649 | } else { | |
2650 | err = __f2fs_commit_super(bh, NULL); | |
2651 | res = err ? "failed" : "done"; | |
2652 | } | |
dcbb4c10 JP |
2653 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)", |
2654 | res, main_blkaddr, | |
2655 | segment0_blkaddr + | |
2656 | (segment_count << log_blocks_per_seg), | |
2657 | segment_count_main << log_blocks_per_seg); | |
fd694733 JK |
2658 | if (err) |
2659 | return true; | |
9a59b62f | 2660 | } |
9a59b62f CY |
2661 | return false; |
2662 | } | |
2663 | ||
df728b0f | 2664 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2665 | struct buffer_head *bh) |
aff063e2 | 2666 | { |
0cfe75c5 JK |
2667 | block_t segment_count, segs_per_sec, secs_per_zone; |
2668 | block_t total_sections, blocks_per_seg; | |
fd694733 JK |
2669 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2670 | (bh->b_data + F2FS_SUPER_OFFSET); | |
aff063e2 | 2671 | unsigned int blocksize; |
d440c52d JZ |
2672 | size_t crc_offset = 0; |
2673 | __u32 crc = 0; | |
2674 | ||
38fb6d0e IZ |
2675 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2676 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2677 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2678 | return -EINVAL; | |
2679 | } | |
2680 | ||
d440c52d | 2681 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2682 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2683 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2684 | if (crc_offset != | |
2685 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2686 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2687 | crc_offset); | |
38fb6d0e | 2688 | return -EFSCORRUPTED; |
d440c52d JZ |
2689 | } |
2690 | crc = le32_to_cpu(raw_super->crc); | |
2691 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2692 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2693 | return -EFSCORRUPTED; |
d440c52d JZ |
2694 | } |
2695 | } | |
aff063e2 | 2696 | |
5c9b4692 | 2697 | /* Currently, support only 4KB page cache size */ |
09cbfeaf | 2698 | if (F2FS_BLKSIZE != PAGE_SIZE) { |
dcbb4c10 JP |
2699 | f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", |
2700 | PAGE_SIZE); | |
38fb6d0e | 2701 | return -EFSCORRUPTED; |
5c9b4692 | 2702 | } |
2703 | ||
aff063e2 JK |
2704 | /* Currently, support only 4KB block size */ |
2705 | blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); | |
5c9b4692 | 2706 | if (blocksize != F2FS_BLKSIZE) { |
dcbb4c10 JP |
2707 | f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", |
2708 | blocksize); | |
38fb6d0e | 2709 | return -EFSCORRUPTED; |
a07ef784 | 2710 | } |
5c9b4692 | 2711 | |
9a59b62f CY |
2712 | /* check log blocks per segment */ |
2713 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2714 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2715 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2716 | return -EFSCORRUPTED; |
9a59b62f CY |
2717 | } |
2718 | ||
55cf9cb6 CY |
2719 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2720 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2721 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2722 | le32_to_cpu(raw_super->log_sectorsize) < | |
2723 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2724 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2725 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2726 | return -EFSCORRUPTED; |
a07ef784 | 2727 | } |
55cf9cb6 CY |
2728 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2729 | le32_to_cpu(raw_super->log_sectorsize) != | |
2730 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2731 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
2732 | le32_to_cpu(raw_super->log_sectors_per_block), | |
2733 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2734 | return -EFSCORRUPTED; |
a07ef784 | 2735 | } |
9a59b62f | 2736 | |
0cfe75c5 JK |
2737 | segment_count = le32_to_cpu(raw_super->segment_count); |
2738 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2739 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2740 | total_sections = le32_to_cpu(raw_super->section_count); | |
2741 | ||
2742 | /* blocks_per_seg should be 512, given the above check */ | |
2743 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
2744 | ||
2745 | if (segment_count > F2FS_MAX_SEGMENT || | |
2746 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 2747 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 2748 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2749 | } |
2750 | ||
2751 | if (total_sections > segment_count || | |
2752 | total_sections < F2FS_MIN_SEGMENTS || | |
2753 | segs_per_sec > segment_count || !segs_per_sec) { | |
dcbb4c10 JP |
2754 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
2755 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 2756 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2757 | } |
2758 | ||
2759 | if ((segment_count / segs_per_sec) < total_sections) { | |
dcbb4c10 JP |
2760 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
2761 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 2762 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2763 | } |
2764 | ||
88960068 | 2765 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
2766 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
2767 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 2768 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2769 | } |
2770 | ||
9f701f6c QS |
2771 | if (RDEV(0).path[0]) { |
2772 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
2773 | int i = 1; | |
2774 | ||
2775 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
2776 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
2777 | i++; | |
2778 | } | |
2779 | if (segment_count != dev_seg_count) { | |
2780 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
2781 | segment_count, dev_seg_count); | |
2782 | return -EFSCORRUPTED; | |
2783 | } | |
2784 | } | |
2785 | ||
42bf546c | 2786 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
2787 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
2788 | secs_per_zone, total_sections); | |
38fb6d0e | 2789 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2790 | } |
2791 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
2792 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
2793 | (le32_to_cpu(raw_super->extension_count) + | |
2794 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
2795 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
2796 | le32_to_cpu(raw_super->extension_count), | |
2797 | raw_super->hot_ext_count, | |
2798 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 2799 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2800 | } |
2801 | ||
2802 | if (le32_to_cpu(raw_super->cp_payload) > | |
2803 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
2804 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
2805 | le32_to_cpu(raw_super->cp_payload), | |
2806 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 2807 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2808 | } |
2809 | ||
9a59b62f CY |
2810 | /* check reserved ino info */ |
2811 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
2812 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
2813 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
2814 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
2815 | le32_to_cpu(raw_super->node_ino), | |
2816 | le32_to_cpu(raw_super->meta_ino), | |
2817 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 2818 | return -EFSCORRUPTED; |
9a59b62f CY |
2819 | } |
2820 | ||
2821 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 2822 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 2823 | return -EFSCORRUPTED; |
9a59b62f | 2824 | |
aff063e2 JK |
2825 | return 0; |
2826 | } | |
2827 | ||
4d57b86d | 2828 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
2829 | { |
2830 | unsigned int total, fsmeta; | |
577e3495 JK |
2831 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
2832 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 2833 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 2834 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
2835 | unsigned int sit_segs, nat_segs; |
2836 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
2837 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 2838 | unsigned int segment_count_main; |
e494c2f9 | 2839 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
2840 | block_t user_block_count, valid_user_blocks; |
2841 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 2842 | int i, j; |
aff063e2 JK |
2843 | |
2844 | total = le32_to_cpu(raw_super->segment_count); | |
2845 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
2846 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
2847 | fsmeta += sit_segs; | |
2848 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
2849 | fsmeta += nat_segs; | |
aff063e2 JK |
2850 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
2851 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
2852 | ||
6bacf52f | 2853 | if (unlikely(fsmeta >= total)) |
aff063e2 | 2854 | return 1; |
577e3495 | 2855 | |
2040fce8 JK |
2856 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
2857 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
2858 | ||
2859 | if (unlikely(fsmeta < F2FS_MIN_SEGMENTS || | |
2860 | ovp_segments == 0 || reserved_segments == 0)) { | |
dcbb4c10 | 2861 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
2862 | return 1; |
2863 | } | |
2864 | ||
9dc956b2 CY |
2865 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
2866 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2867 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2868 | if (!user_block_count || user_block_count >= | |
2869 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
2870 | f2fs_err(sbi, "Wrong user_block_count: %u", |
2871 | user_block_count); | |
9dc956b2 CY |
2872 | return 1; |
2873 | } | |
2874 | ||
7b63f72f CY |
2875 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
2876 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
2877 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
2878 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
2879 | return 1; |
2880 | } | |
2881 | ||
2882 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 2883 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 2884 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
2885 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
2886 | valid_node_count, avail_node_count); | |
7b63f72f CY |
2887 | return 1; |
2888 | } | |
2889 | ||
15d3042a JQ |
2890 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
2891 | blocks_per_seg = sbi->blocks_per_seg; | |
2892 | ||
2893 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2894 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
2895 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
2896 | return 1; | |
042be0f8 CY |
2897 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
2898 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2899 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
2900 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
2901 | i, j, | |
2902 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2903 | return 1; |
2904 | } | |
2905 | } | |
15d3042a JQ |
2906 | } |
2907 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
2908 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
2909 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
2910 | return 1; | |
042be0f8 CY |
2911 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
2912 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
2913 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
2914 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
2915 | i, j, | |
2916 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
2917 | return 1; |
2918 | } | |
2919 | } | |
2920 | } | |
2921 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 2922 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
2923 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
2924 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 2925 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
2926 | i, j, |
2927 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2928 | return 1; |
2929 | } | |
2930 | } | |
15d3042a JQ |
2931 | } |
2932 | ||
c77ec61c CY |
2933 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
2934 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
2935 | |
2936 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
2937 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
2938 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
2939 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
2940 | return 1; |
2941 | } | |
e494c2f9 CY |
2942 | |
2943 | cp_pack_start_sum = __start_sum_addr(sbi); | |
2944 | cp_payload = __cp_payload(sbi); | |
2945 | if (cp_pack_start_sum < cp_payload + 1 || | |
2946 | cp_pack_start_sum > blocks_per_seg - 1 - | |
2947 | NR_CURSEG_TYPE) { | |
dcbb4c10 JP |
2948 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
2949 | cp_pack_start_sum); | |
e494c2f9 CY |
2950 | return 1; |
2951 | } | |
c77ec61c | 2952 | |
5dae2d39 CY |
2953 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
2954 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
2955 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
2956 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
2957 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 2958 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
2959 | return 1; |
2960 | } | |
2961 | ||
1e968fdf | 2962 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 2963 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
2964 | return 1; |
2965 | } | |
aff063e2 JK |
2966 | return 0; |
2967 | } | |
2968 | ||
2969 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
2970 | { | |
2971 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 2972 | int i; |
aff063e2 JK |
2973 | |
2974 | sbi->log_sectors_per_block = | |
2975 | le32_to_cpu(raw_super->log_sectors_per_block); | |
2976 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
2977 | sbi->blocksize = 1 << sbi->log_blocksize; | |
2978 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2979 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
2980 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2981 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2982 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
2983 | sbi->total_node_count = | |
2984 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
2985 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
2986 | sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); | |
2987 | sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); | |
2988 | sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 2989 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
2990 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
2991 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 2992 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 2993 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 2994 | |
ab9fa662 | 2995 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 2996 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 2997 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
2998 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
2999 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 3000 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
3001 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
3002 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 3003 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 3004 | |
35782b23 JK |
3005 | for (i = 0; i < NR_COUNT_TYPE; i++) |
3006 | atomic_set(&sbi->nr_pages[i], 0); | |
3007 | ||
c29fd0c0 CY |
3008 | for (i = 0; i < META; i++) |
3009 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 3010 | |
2658e50d JK |
3011 | INIT_LIST_HEAD(&sbi->s_list); |
3012 | mutex_init(&sbi->umount_mutex); | |
107a805d | 3013 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 3014 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
3015 | |
3016 | sbi->dirty_device = 0; | |
3017 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 3018 | |
846ae671 | 3019 | init_rwsem(&sbi->sb_lock); |
f5a53edc | 3020 | init_rwsem(&sbi->pin_sem); |
aff063e2 JK |
3021 | } |
3022 | ||
523be8a6 JK |
3023 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
3024 | { | |
35782b23 | 3025 | int err; |
41382ec4 | 3026 | |
513c5f37 JK |
3027 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
3028 | if (err) | |
3029 | return err; | |
3030 | ||
4a70e255 | 3031 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 3032 | GFP_KERNEL); |
4a70e255 CY |
3033 | if (err) |
3034 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
3035 | ||
3036 | return err; | |
523be8a6 JK |
3037 | } |
3038 | ||
178053e2 | 3039 | #ifdef CONFIG_BLK_DEV_ZONED |
d4100351 CH |
3040 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
3041 | void *data) | |
3042 | { | |
3043 | struct f2fs_dev_info *dev = data; | |
3044 | ||
3045 | if (zone->type != BLK_ZONE_TYPE_CONVENTIONAL) | |
3046 | set_bit(idx, dev->blkz_seq); | |
3047 | return 0; | |
3048 | } | |
3049 | ||
3c62be17 | 3050 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3051 | { |
3c62be17 | 3052 | struct block_device *bdev = FDEV(devi).bdev; |
178053e2 | 3053 | sector_t nr_sectors = bdev->bd_part->nr_sects; |
d4100351 | 3054 | int ret; |
178053e2 | 3055 | |
7beb01f7 | 3056 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3057 | return 0; |
3058 | ||
3c62be17 | 3059 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 3060 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 3061 | return -EINVAL; |
f99e8648 | 3062 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
3063 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3064 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3065 | return -EINVAL; | |
178053e2 | 3066 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3067 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3068 | sbi->log_blocks_per_blkz; | |
f99e8648 | 3069 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 3070 | FDEV(devi).nr_blkz++; |
178053e2 | 3071 | |
0b6d4ca0 | 3072 | FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, |
95175daf DLM |
3073 | BITS_TO_LONGS(FDEV(devi).nr_blkz) |
3074 | * sizeof(unsigned long), | |
3075 | GFP_KERNEL); | |
3076 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3077 | return -ENOMEM; |
3078 | ||
178053e2 | 3079 | /* Get block zones type */ |
d4100351 CH |
3080 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
3081 | &FDEV(devi)); | |
3082 | if (ret < 0) | |
3083 | return ret; | |
178053e2 | 3084 | |
d4100351 | 3085 | return 0; |
178053e2 DLM |
3086 | } |
3087 | #endif | |
3088 | ||
9076a75f GZ |
3089 | /* |
3090 | * Read f2fs raw super block. | |
2b39e907 SL |
3091 | * Because we have two copies of super block, so read both of them |
3092 | * to get the first valid one. If any one of them is broken, we pass | |
3093 | * them recovery flag back to the caller. | |
9076a75f | 3094 | */ |
df728b0f | 3095 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3096 | struct f2fs_super_block **raw_super, |
e8240f65 | 3097 | int *valid_super_block, int *recovery) |
14d7e9de | 3098 | { |
df728b0f | 3099 | struct super_block *sb = sbi->sb; |
2b39e907 | 3100 | int block; |
e8240f65 | 3101 | struct buffer_head *bh; |
fd694733 | 3102 | struct f2fs_super_block *super; |
da554e48 | 3103 | int err = 0; |
14d7e9de | 3104 | |
b39f0de2 YH |
3105 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3106 | if (!super) | |
3107 | return -ENOMEM; | |
2b39e907 SL |
3108 | |
3109 | for (block = 0; block < 2; block++) { | |
3110 | bh = sb_bread(sb, block); | |
3111 | if (!bh) { | |
dcbb4c10 JP |
3112 | f2fs_err(sbi, "Unable to read %dth superblock", |
3113 | block + 1); | |
2b39e907 | 3114 | err = -EIO; |
ed352042 | 3115 | *recovery = 1; |
2b39e907 SL |
3116 | continue; |
3117 | } | |
14d7e9de | 3118 | |
2b39e907 | 3119 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3120 | err = sanity_check_raw_super(sbi, bh); |
3121 | if (err) { | |
dcbb4c10 JP |
3122 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3123 | block + 1); | |
2b39e907 | 3124 | brelse(bh); |
ed352042 | 3125 | *recovery = 1; |
2b39e907 SL |
3126 | continue; |
3127 | } | |
14d7e9de | 3128 | |
2b39e907 | 3129 | if (!*raw_super) { |
fd694733 JK |
3130 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3131 | sizeof(*super)); | |
2b39e907 SL |
3132 | *valid_super_block = block; |
3133 | *raw_super = super; | |
3134 | } | |
3135 | brelse(bh); | |
da554e48 | 3136 | } |
3137 | ||
da554e48 | 3138 | /* No valid superblock */ |
2b39e907 | 3139 | if (!*raw_super) |
742532d1 | 3140 | kfree(super); |
2b39e907 SL |
3141 | else |
3142 | err = 0; | |
da554e48 | 3143 | |
2b39e907 | 3144 | return err; |
14d7e9de | 3145 | } |
3146 | ||
fd694733 | 3147 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3148 | { |
5d909cdb | 3149 | struct buffer_head *bh; |
d440c52d | 3150 | __u32 crc = 0; |
26d815ad JK |
3151 | int err; |
3152 | ||
df728b0f JK |
3153 | if ((recover && f2fs_readonly(sbi->sb)) || |
3154 | bdev_read_only(sbi->sb->s_bdev)) { | |
3155 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3156 | return -EROFS; |
df728b0f | 3157 | } |
f2353d7b | 3158 | |
d440c52d | 3159 | /* we should update superblock crc here */ |
7beb01f7 | 3160 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3161 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3162 | offsetof(struct f2fs_super_block, crc)); | |
3163 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3164 | } | |
3165 | ||
fd694733 | 3166 | /* write back-up superblock first */ |
0964fc1a | 3167 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3168 | if (!bh) |
3169 | return -EIO; | |
fd694733 | 3170 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3171 | brelse(bh); |
c5bda1c8 CY |
3172 | |
3173 | /* if we are in recovery path, skip writing valid superblock */ | |
3174 | if (recover || err) | |
5d909cdb | 3175 | return err; |
26d815ad JK |
3176 | |
3177 | /* write current valid superblock */ | |
0964fc1a | 3178 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3179 | if (!bh) |
3180 | return -EIO; | |
3181 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3182 | brelse(bh); | |
3183 | return err; | |
26d815ad JK |
3184 | } |
3185 | ||
3c62be17 JK |
3186 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3187 | { | |
3188 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3189 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
3190 | int i; |
3191 | ||
7bb3a371 MS |
3192 | /* Initialize single device information */ |
3193 | if (!RDEV(0).path[0]) { | |
3194 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3195 | return 0; |
7bb3a371 MS |
3196 | max_devices = 1; |
3197 | } | |
3c62be17 | 3198 | |
7bb3a371 MS |
3199 | /* |
3200 | * Initialize multiple devices information, or single | |
3201 | * zoned block device information. | |
3202 | */ | |
026f0507 KC |
3203 | sbi->devs = f2fs_kzalloc(sbi, |
3204 | array_size(max_devices, | |
3205 | sizeof(struct f2fs_dev_info)), | |
3206 | GFP_KERNEL); | |
7bb3a371 MS |
3207 | if (!sbi->devs) |
3208 | return -ENOMEM; | |
3c62be17 | 3209 | |
7bb3a371 | 3210 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3211 | |
7bb3a371 MS |
3212 | if (i > 0 && !RDEV(i).path[0]) |
3213 | break; | |
3214 | ||
3215 | if (max_devices == 1) { | |
3216 | /* Single zoned block device mount */ | |
3217 | FDEV(0).bdev = | |
3218 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3219 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3220 | } else { |
3221 | /* Multi-device mount */ | |
3222 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3223 | FDEV(i).total_segments = | |
3224 | le32_to_cpu(RDEV(i).total_segments); | |
3225 | if (i == 0) { | |
3226 | FDEV(i).start_blk = 0; | |
3227 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3228 | (FDEV(i).total_segments << | |
3229 | sbi->log_blocks_per_seg) - 1 + | |
3230 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3231 | } else { | |
3232 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3233 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3234 | (FDEV(i).total_segments << | |
3235 | sbi->log_blocks_per_seg) - 1; | |
3236 | } | |
3237 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3238 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3239 | } |
3c62be17 JK |
3240 | if (IS_ERR(FDEV(i).bdev)) |
3241 | return PTR_ERR(FDEV(i).bdev); | |
3242 | ||
3243 | /* to release errored devices */ | |
3244 | sbi->s_ndevs = i + 1; | |
3245 | ||
3246 | #ifdef CONFIG_BLK_DEV_ZONED | |
3247 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3248 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3249 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3250 | return -EINVAL; |
3251 | } | |
3252 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3253 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3254 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3255 | return -EINVAL; |
3256 | } | |
7bb3a371 MS |
3257 | if (max_devices == 1) |
3258 | break; | |
dcbb4c10 JP |
3259 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3260 | i, FDEV(i).path, | |
3261 | FDEV(i).total_segments, | |
3262 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3263 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3264 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3265 | continue; |
3266 | } | |
3267 | #endif | |
dcbb4c10 JP |
3268 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3269 | i, FDEV(i).path, | |
3270 | FDEV(i).total_segments, | |
3271 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3272 | } | |
3273 | f2fs_info(sbi, | |
3274 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3275 | return 0; |
3276 | } | |
3277 | ||
5aba5430 DR |
3278 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3279 | { | |
3280 | #ifdef CONFIG_UNICODE | |
3281 | if (f2fs_sb_has_casefold(sbi) && !sbi->s_encoding) { | |
3282 | const struct f2fs_sb_encodings *encoding_info; | |
3283 | struct unicode_map *encoding; | |
3284 | __u16 encoding_flags; | |
3285 | ||
3286 | if (f2fs_sb_has_encrypt(sbi)) { | |
3287 | f2fs_err(sbi, | |
3288 | "Can't mount with encoding and encryption"); | |
3289 | return -EINVAL; | |
3290 | } | |
3291 | ||
3292 | if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, | |
3293 | &encoding_flags)) { | |
3294 | f2fs_err(sbi, | |
3295 | "Encoding requested by superblock is unknown"); | |
3296 | return -EINVAL; | |
3297 | } | |
3298 | ||
3299 | encoding = utf8_load(encoding_info->version); | |
3300 | if (IS_ERR(encoding)) { | |
3301 | f2fs_err(sbi, | |
3302 | "can't mount with superblock charset: %s-%s " | |
3303 | "not supported by the kernel. flags: 0x%x.", | |
3304 | encoding_info->name, encoding_info->version, | |
3305 | encoding_flags); | |
3306 | return PTR_ERR(encoding); | |
3307 | } | |
3308 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
3309 | "%s-%s with flags 0x%hx", encoding_info->name, | |
3310 | encoding_info->version?:"\b", encoding_flags); | |
3311 | ||
3312 | sbi->s_encoding = encoding; | |
3313 | sbi->s_encoding_flags = encoding_flags; | |
2c2eb7a3 | 3314 | sbi->sb->s_d_op = &f2fs_dentry_ops; |
5aba5430 DR |
3315 | } |
3316 | #else | |
3317 | if (f2fs_sb_has_casefold(sbi)) { | |
3318 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3319 | return -EINVAL; | |
3320 | } | |
3321 | #endif | |
3322 | return 0; | |
3323 | } | |
3324 | ||
84b89e5d JK |
3325 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3326 | { | |
3327 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3328 | ||
3329 | /* adjust parameters according to the volume size */ | |
3330 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3331 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3332 | sm_i->dcc_info->discard_granularity = 1; |
3333 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3334 | } | |
4cac90d5 CY |
3335 | |
3336 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3337 | } |
3338 | ||
aff063e2 JK |
3339 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3340 | { | |
3341 | struct f2fs_sb_info *sbi; | |
da554e48 | 3342 | struct f2fs_super_block *raw_super; |
aff063e2 | 3343 | struct inode *root; |
99e3e858 | 3344 | int err; |
aa2c8c43 | 3345 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3346 | char *options = NULL; |
e8240f65 | 3347 | int recovery, i, valid_super_block; |
8f1dbbbb | 3348 | struct curseg_info *seg_i; |
aa2c8c43 | 3349 | int retry_cnt = 1; |
aff063e2 | 3350 | |
ed2e621a | 3351 | try_onemore: |
da554e48 | 3352 | err = -EINVAL; |
3353 | raw_super = NULL; | |
e8240f65 | 3354 | valid_super_block = -1; |
da554e48 | 3355 | recovery = 0; |
3356 | ||
aff063e2 JK |
3357 | /* allocate memory for f2fs-specific super block info */ |
3358 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3359 | if (!sbi) | |
3360 | return -ENOMEM; | |
3361 | ||
df728b0f JK |
3362 | sbi->sb = sb; |
3363 | ||
43b6573b KM |
3364 | /* Load the checksum driver */ |
3365 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3366 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3367 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3368 | err = PTR_ERR(sbi->s_chksum_driver); |
3369 | sbi->s_chksum_driver = NULL; | |
3370 | goto free_sbi; | |
3371 | } | |
3372 | ||
ff9234ad | 3373 | /* set a block size */ |
6bacf52f | 3374 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3375 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3376 | goto free_sbi; |
a07ef784 | 3377 | } |
aff063e2 | 3378 | |
df728b0f | 3379 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3380 | &recovery); |
9076a75f GZ |
3381 | if (err) |
3382 | goto free_sbi; | |
3383 | ||
5fb08372 | 3384 | sb->s_fs_info = sbi; |
52763a4b JK |
3385 | sbi->raw_super = raw_super; |
3386 | ||
704956ec | 3387 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3388 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3389 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3390 | sizeof(raw_super->uuid)); | |
3391 | ||
d1b959c8 DLM |
3392 | /* |
3393 | * The BLKZONED feature indicates that the drive was formatted with | |
3394 | * zone alignment optimization. This is optional for host-aware | |
3395 | * devices, but mandatory for host-managed zoned block devices. | |
3396 | */ | |
3397 | #ifndef CONFIG_BLK_DEV_ZONED | |
7beb01f7 | 3398 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3399 | f2fs_err(sbi, "Zoned block device support is not enabled"); |
1727f317 | 3400 | err = -EOPNOTSUPP; |
d1b959c8 DLM |
3401 | goto free_sb_buf; |
3402 | } | |
d1b959c8 | 3403 | #endif |
498c5e9f | 3404 | default_options(sbi); |
aff063e2 | 3405 | /* parse mount options */ |
dabc4a5c JK |
3406 | options = kstrdup((const char *)data, GFP_KERNEL); |
3407 | if (data && !options) { | |
3408 | err = -ENOMEM; | |
aff063e2 | 3409 | goto free_sb_buf; |
dabc4a5c JK |
3410 | } |
3411 | ||
ed318a6c | 3412 | err = parse_options(sb, options, false); |
dabc4a5c JK |
3413 | if (err) |
3414 | goto free_options; | |
aff063e2 | 3415 | |
e0afc4d6 CY |
3416 | sbi->max_file_blocks = max_file_blocks(); |
3417 | sb->s_maxbytes = sbi->max_file_blocks << | |
3418 | le32_to_cpu(raw_super->log_blocksize); | |
aff063e2 | 3419 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3420 | |
5aba5430 DR |
3421 | err = f2fs_setup_casefold(sbi); |
3422 | if (err) | |
3423 | goto free_options; | |
3424 | ||
0abd675e CY |
3425 | #ifdef CONFIG_QUOTA |
3426 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3427 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3428 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3429 | |
7beb01f7 | 3430 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3431 | for (i = 0; i < MAXQUOTAS; i++) { |
3432 | if (f2fs_qf_ino(sbi->sb, i)) | |
3433 | sbi->nquota_files++; | |
3434 | } | |
3435 | } | |
0abd675e CY |
3436 | #endif |
3437 | ||
aff063e2 | 3438 | sb->s_op = &f2fs_sops; |
643fa961 | 3439 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3440 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
3441 | #endif |
3442 | #ifdef CONFIG_FS_VERITY | |
3443 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 3444 | #endif |
aff063e2 JK |
3445 | sb->s_xattr = f2fs_xattr_handlers; |
3446 | sb->s_export_op = &f2fs_export_ops; | |
3447 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3448 | sb->s_time_gran = 1; |
1751e8a6 LT |
3449 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3450 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3451 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3452 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3453 | |
3454 | /* init f2fs-specific super block info */ | |
e8240f65 | 3455 | sbi->valid_super_block = valid_super_block; |
fb24fea7 | 3456 | init_rwsem(&sbi->gc_lock); |
853137ce | 3457 | mutex_init(&sbi->writepages); |
aff063e2 | 3458 | mutex_init(&sbi->cp_mutex); |
b3582c68 | 3459 | init_rwsem(&sbi->node_write); |
59c9081b | 3460 | init_rwsem(&sbi->node_change); |
315df839 JK |
3461 | |
3462 | /* disallow all the data/node/meta page writes */ | |
3463 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3464 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3465 | |
b0af6d49 CY |
3466 | /* init iostat info */ |
3467 | spin_lock_init(&sbi->iostat_lock); | |
3468 | sbi->iostat_enable = false; | |
2bc4bea3 | 3469 | sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS; |
b0af6d49 | 3470 | |
458e6197 | 3471 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
a912b54d JK |
3472 | int n = (i == META) ? 1: NR_TEMP_TYPE; |
3473 | int j; | |
3474 | ||
c8606593 KC |
3475 | sbi->write_io[i] = |
3476 | f2fs_kmalloc(sbi, | |
3477 | array_size(n, | |
3478 | sizeof(struct f2fs_bio_info)), | |
3479 | GFP_KERNEL); | |
b63def91 CJ |
3480 | if (!sbi->write_io[i]) { |
3481 | err = -ENOMEM; | |
0b2103e8 | 3482 | goto free_bio_info; |
b63def91 | 3483 | } |
a912b54d JK |
3484 | |
3485 | for (j = HOT; j < n; j++) { | |
3486 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3487 | sbi->write_io[i][j].sbi = sbi; | |
3488 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3489 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3490 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
0b20fcec CY |
3491 | INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); |
3492 | init_rwsem(&sbi->write_io[i][j].bio_list_lock); | |
a912b54d | 3493 | } |
458e6197 | 3494 | } |
971767ca | 3495 | |
b873b798 | 3496 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3497 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3498 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3499 | init_sb_info(sbi); |
3500 | ||
523be8a6 JK |
3501 | err = init_percpu_info(sbi); |
3502 | if (err) | |
d7997e63 | 3503 | goto free_bio_info; |
523be8a6 | 3504 | |
c72db71e | 3505 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3506 | sbi->write_io_dummy = |
a3ebfe4f | 3507 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3508 | if (!sbi->write_io_dummy) { |
3509 | err = -ENOMEM; | |
d7997e63 | 3510 | goto free_percpu; |
1727f317 | 3511 | } |
0a595eba JK |
3512 | } |
3513 | ||
a999150f CY |
3514 | /* init per sbi slab cache */ |
3515 | err = f2fs_init_xattr_caches(sbi); | |
3516 | if (err) | |
3517 | goto free_io_dummy; | |
3518 | ||
aff063e2 JK |
3519 | /* get an inode for meta space */ |
3520 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3521 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3522 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3523 | err = PTR_ERR(sbi->meta_inode); |
a999150f | 3524 | goto free_xattr_cache; |
aff063e2 JK |
3525 | } |
3526 | ||
4d57b86d | 3527 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3528 | if (err) { |
dcbb4c10 | 3529 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3530 | goto free_meta_inode; |
a07ef784 | 3531 | } |
aff063e2 | 3532 | |
af033b2a CY |
3533 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3534 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3535 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3536 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3537 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3538 | } | |
af033b2a | 3539 | |
04f0b2ea QS |
3540 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3541 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3542 | ||
3c62be17 JK |
3543 | /* Initialize device list */ |
3544 | err = f2fs_scan_devices(sbi); | |
3545 | if (err) { | |
dcbb4c10 | 3546 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3547 | goto free_devices; |
3548 | } | |
3549 | ||
4c8ff709 CY |
3550 | err = f2fs_init_post_read_wq(sbi); |
3551 | if (err) { | |
3552 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
3553 | goto free_devices; | |
3554 | } | |
3555 | ||
aff063e2 JK |
3556 | sbi->total_valid_node_count = |
3557 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3558 | percpu_counter_set(&sbi->total_valid_inode_count, |
3559 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3560 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3561 | sbi->total_valid_block_count = | |
3562 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3563 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3564 | sbi->reserved_blocks = 0; |
80d42145 | 3565 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3566 | limit_reserve_root(sbi); |
1ae18f71 | 3567 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 3568 | |
c227f912 CY |
3569 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3570 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3571 | spin_lock_init(&sbi->inode_lock[i]); | |
3572 | } | |
040d2bb3 | 3573 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3574 | |
4d57b86d | 3575 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3576 | |
4d57b86d | 3577 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3578 | |
50fa53ec CY |
3579 | f2fs_init_fsync_node_info(sbi); |
3580 | ||
aff063e2 | 3581 | /* setup f2fs internal modules */ |
4d57b86d | 3582 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3583 | if (err) { |
dcbb4c10 JP |
3584 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3585 | err); | |
aff063e2 | 3586 | goto free_sm; |
a07ef784 | 3587 | } |
4d57b86d | 3588 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3589 | if (err) { |
dcbb4c10 JP |
3590 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3591 | err); | |
aff063e2 | 3592 | goto free_nm; |
a07ef784 | 3593 | } |
aff063e2 | 3594 | |
8f1dbbbb SL |
3595 | /* For write statistics */ |
3596 | if (sb->s_bdev->bd_part) | |
3597 | sbi->sectors_written_start = | |
dbae2c55 MC |
3598 | (u64)part_stat_read(sb->s_bdev->bd_part, |
3599 | sectors[STAT_WRITE]); | |
8f1dbbbb SL |
3600 | |
3601 | /* Read accumulated write IO statistics if exists */ | |
3602 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3603 | if (__exist_node_summaries(sbi)) | |
3604 | sbi->kbytes_written = | |
b2dde6fc | 3605 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3606 | |
4d57b86d | 3607 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3608 | |
60aa4d55 ST |
3609 | err = f2fs_build_stats(sbi); |
3610 | if (err) | |
3611 | goto free_nm; | |
3612 | ||
aff063e2 JK |
3613 | /* get an inode for node space */ |
3614 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3615 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3616 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3617 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3618 | goto free_stats; |
aff063e2 JK |
3619 | } |
3620 | ||
aff063e2 JK |
3621 | /* read root inode and dentry */ |
3622 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3623 | if (IS_ERR(root)) { | |
dcbb4c10 | 3624 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3625 | err = PTR_ERR(root); |
60aa4d55 | 3626 | goto free_node_inode; |
aff063e2 | 3627 | } |
bcbfbd60 CY |
3628 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3629 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3630 | iput(root); |
8f99a946 | 3631 | err = -EINVAL; |
60aa4d55 | 3632 | goto free_node_inode; |
8f99a946 | 3633 | } |
aff063e2 JK |
3634 | |
3635 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3636 | if (!sb->s_root) { | |
3637 | err = -ENOMEM; | |
025cdb16 | 3638 | goto free_node_inode; |
aff063e2 JK |
3639 | } |
3640 | ||
dc6b2055 | 3641 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3642 | if (err) |
a398101a | 3643 | goto free_root_inode; |
b59d0bae | 3644 | |
ea676733 | 3645 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3646 | /* Enable quota usage during mount */ |
7beb01f7 | 3647 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3648 | err = f2fs_enable_quotas(sb); |
730746ce | 3649 | if (err) |
dcbb4c10 | 3650 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3651 | } |
3652 | #endif | |
7a88ddb5 | 3653 | /* if there are any orphan inodes, free them */ |
4d57b86d | 3654 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3655 | if (err) |
ea676733 | 3656 | goto free_meta; |
4b2414d0 | 3657 | |
4354994f | 3658 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3659 | goto reset_checkpoint; |
4354994f | 3660 | |
6437d1b0 | 3661 | /* recover fsynced data */ |
a9117eca CY |
3662 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
3663 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
3664 | /* |
3665 | * mount should be failed, when device has readonly mode, and | |
3666 | * previous checkpoint was not done by clean system shutdown. | |
3667 | */ | |
b61af314 CY |
3668 | if (f2fs_hw_is_readonly(sbi)) { |
3669 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3670 | err = -EROFS; | |
dcbb4c10 | 3671 | f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); |
b61af314 CY |
3672 | goto free_meta; |
3673 | } | |
dcbb4c10 | 3674 | f2fs_info(sbi, "write access unavailable, skipping recovery"); |
b61af314 | 3675 | goto reset_checkpoint; |
081d78c2 | 3676 | } |
2adc3505 CY |
3677 | |
3678 | if (need_fsck) | |
3679 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3680 | ||
aa2c8c43 CY |
3681 | if (skip_recovery) |
3682 | goto reset_checkpoint; | |
a468f0ef | 3683 | |
4d57b86d | 3684 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3685 | if (err < 0) { |
aa2c8c43 CY |
3686 | if (err != -ENOMEM) |
3687 | skip_recovery = true; | |
2adc3505 | 3688 | need_fsck = true; |
dcbb4c10 JP |
3689 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3690 | err); | |
4b2414d0 | 3691 | goto free_meta; |
ed2e621a | 3692 | } |
6781eabb | 3693 | } else { |
4d57b86d | 3694 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
3695 | |
3696 | if (!f2fs_readonly(sb) && err > 0) { | |
3697 | err = -EINVAL; | |
dcbb4c10 | 3698 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 3699 | goto free_meta; |
6781eabb | 3700 | } |
6437d1b0 | 3701 | } |
d508c94e SK |
3702 | |
3703 | /* | |
3704 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
3705 | * check zoned block devices' write pointer consistency. | |
3706 | */ | |
3707 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
3708 | err = f2fs_check_write_pointer(sbi); | |
3709 | if (err) | |
3710 | goto free_meta; | |
3711 | } | |
3712 | ||
aa2c8c43 | 3713 | reset_checkpoint: |
4d57b86d | 3714 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 3715 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 3716 | |
4354994f DR |
3717 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
3718 | err = f2fs_disable_checkpoint(sbi); | |
3719 | if (err) | |
812a9597 | 3720 | goto sync_free_meta; |
4354994f DR |
3721 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
3722 | f2fs_enable_checkpoint(sbi); | |
3723 | } | |
3724 | ||
6437d1b0 JK |
3725 | /* |
3726 | * If filesystem is not mounted as read-only then | |
3727 | * do start the gc_thread. | |
3728 | */ | |
bbbc34fd | 3729 | if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) { |
6437d1b0 | 3730 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 3731 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 3732 | if (err) |
812a9597 | 3733 | goto sync_free_meta; |
6437d1b0 | 3734 | } |
5222595d | 3735 | kvfree(options); |
da554e48 | 3736 | |
3737 | /* recover broken superblock */ | |
f2353d7b | 3738 | if (recovery) { |
41214b3c | 3739 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
3740 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
3741 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 3742 | } |
3743 | ||
bae01eda CY |
3744 | f2fs_join_shrinker(sbi); |
3745 | ||
84b89e5d JK |
3746 | f2fs_tuning_parameters(sbi); |
3747 | ||
dcbb4c10 JP |
3748 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
3749 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 3750 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 3751 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 3752 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 3753 | return 0; |
6437d1b0 | 3754 | |
812a9597 JK |
3755 | sync_free_meta: |
3756 | /* safe to flush all the data */ | |
3757 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 3758 | retry_cnt = 0; |
812a9597 | 3759 | |
4b2414d0 | 3760 | free_meta: |
ea676733 | 3761 | #ifdef CONFIG_QUOTA |
26b5a079 | 3762 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 3763 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
3764 | f2fs_quota_off_umount(sbi->sb); |
3765 | #endif | |
4b2414d0 | 3766 | /* |
4d57b86d | 3767 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 3768 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
3769 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
3770 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
3771 | */ |
3772 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
3773 | /* evict some inodes being cached by GC */ |
3774 | evict_inodes(sb); | |
dc6b2055 | 3775 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
3776 | free_root_inode: |
3777 | dput(sb->s_root); | |
3778 | sb->s_root = NULL; | |
3779 | free_node_inode: | |
4d57b86d | 3780 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 3781 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 3782 | iput(sbi->node_inode); |
7c77bf7d | 3783 | sbi->node_inode = NULL; |
60aa4d55 ST |
3784 | free_stats: |
3785 | f2fs_destroy_stats(sbi); | |
aff063e2 | 3786 | free_nm: |
4d57b86d | 3787 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 3788 | free_sm: |
4d57b86d | 3789 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 3790 | f2fs_destroy_post_read_wq(sbi); |
3c62be17 JK |
3791 | free_devices: |
3792 | destroy_device_list(sbi); | |
5222595d | 3793 | kvfree(sbi->ckpt); |
aff063e2 JK |
3794 | free_meta_inode: |
3795 | make_bad_inode(sbi->meta_inode); | |
3796 | iput(sbi->meta_inode); | |
7c77bf7d | 3797 | sbi->meta_inode = NULL; |
a999150f CY |
3798 | free_xattr_cache: |
3799 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
3800 | free_io_dummy: |
3801 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
3802 | free_percpu: |
3803 | destroy_percpu_info(sbi); | |
3804 | free_bio_info: | |
a912b54d | 3805 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 3806 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
3807 | |
3808 | #ifdef CONFIG_UNICODE | |
3809 | utf8_unload(sbi->s_encoding); | |
3810 | #endif | |
d7997e63 | 3811 | free_options: |
4b2414d0 CY |
3812 | #ifdef CONFIG_QUOTA |
3813 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 3814 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 3815 | #endif |
ed318a6c | 3816 | fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx); |
5222595d | 3817 | kvfree(options); |
aff063e2 | 3818 | free_sb_buf: |
742532d1 | 3819 | kfree(raw_super); |
aff063e2 | 3820 | free_sbi: |
43b6573b KM |
3821 | if (sbi->s_chksum_driver) |
3822 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 3823 | kfree(sbi); |
ed2e621a JK |
3824 | |
3825 | /* give only one another chance */ | |
aa2c8c43 CY |
3826 | if (retry_cnt > 0 && skip_recovery) { |
3827 | retry_cnt--; | |
ed2e621a JK |
3828 | shrink_dcache_sb(sb); |
3829 | goto try_onemore; | |
3830 | } | |
aff063e2 JK |
3831 | return err; |
3832 | } | |
3833 | ||
3834 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
3835 | const char *dev_name, void *data) | |
3836 | { | |
3837 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
3838 | } | |
3839 | ||
30a5537f JK |
3840 | static void kill_f2fs_super(struct super_block *sb) |
3841 | { | |
cce13252 | 3842 | if (sb->s_root) { |
1cb50f87 JK |
3843 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
3844 | ||
3845 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
3846 | f2fs_stop_gc_thread(sbi); | |
3847 | f2fs_stop_discard_thread(sbi); | |
3848 | ||
3849 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
3850 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3851 | struct cp_control cpc = { | |
3852 | .reason = CP_UMOUNT, | |
3853 | }; | |
3854 | f2fs_write_checkpoint(sbi, &cpc); | |
3855 | } | |
1378752b CY |
3856 | |
3857 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
3858 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 3859 | } |
30a5537f JK |
3860 | kill_block_super(sb); |
3861 | } | |
3862 | ||
aff063e2 JK |
3863 | static struct file_system_type f2fs_fs_type = { |
3864 | .owner = THIS_MODULE, | |
3865 | .name = "f2fs", | |
3866 | .mount = f2fs_mount, | |
30a5537f | 3867 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
3868 | .fs_flags = FS_REQUIRES_DEV, |
3869 | }; | |
7f78e035 | 3870 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 3871 | |
6e6093a8 | 3872 | static int __init init_inodecache(void) |
aff063e2 | 3873 | { |
5d097056 VD |
3874 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
3875 | sizeof(struct f2fs_inode_info), 0, | |
3876 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 3877 | if (!f2fs_inode_cachep) |
aff063e2 JK |
3878 | return -ENOMEM; |
3879 | return 0; | |
3880 | } | |
3881 | ||
3882 | static void destroy_inodecache(void) | |
3883 | { | |
3884 | /* | |
3885 | * Make sure all delayed rcu free inodes are flushed before we | |
3886 | * destroy cache. | |
3887 | */ | |
3888 | rcu_barrier(); | |
3889 | kmem_cache_destroy(f2fs_inode_cachep); | |
3890 | } | |
3891 | ||
3892 | static int __init init_f2fs_fs(void) | |
3893 | { | |
3894 | int err; | |
3895 | ||
4071e67c AP |
3896 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
3897 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
3898 | PAGE_SIZE, F2FS_BLKSIZE); | |
3899 | return -EINVAL; | |
3900 | } | |
3901 | ||
c0508650 JK |
3902 | f2fs_build_trace_ios(); |
3903 | ||
aff063e2 JK |
3904 | err = init_inodecache(); |
3905 | if (err) | |
3906 | goto fail; | |
4d57b86d | 3907 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 3908 | if (err) |
9890ff3f | 3909 | goto free_inodecache; |
4d57b86d | 3910 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 3911 | if (err) |
9890ff3f | 3912 | goto free_node_manager_caches; |
4d57b86d | 3913 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 3914 | if (err) |
06292073 | 3915 | goto free_segment_manager_caches; |
4d57b86d | 3916 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
3917 | if (err) |
3918 | goto free_checkpoint_caches; | |
dc6b2055 | 3919 | err = f2fs_init_sysfs(); |
a398101a | 3920 | if (err) |
1dcc336b | 3921 | goto free_extent_cache; |
2658e50d | 3922 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 3923 | if (err) |
a398101a | 3924 | goto free_sysfs; |
2658e50d JK |
3925 | err = register_filesystem(&f2fs_fs_type); |
3926 | if (err) | |
3927 | goto free_shrinker; | |
21acc07d | 3928 | f2fs_create_root_stats(); |
6dbb1796 EB |
3929 | err = f2fs_init_post_read_processing(); |
3930 | if (err) | |
3931 | goto free_root_stats; | |
0b20fcec CY |
3932 | err = f2fs_init_bio_entry_cache(); |
3933 | if (err) | |
3934 | goto free_post_read; | |
f543805f CY |
3935 | err = f2fs_init_bioset(); |
3936 | if (err) | |
3937 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
3938 | err = f2fs_init_compress_mempool(); |
3939 | if (err) | |
3940 | goto free_bioset; | |
9890ff3f | 3941 | return 0; |
5e6bbde9 CY |
3942 | free_bioset: |
3943 | f2fs_destroy_bioset(); | |
f543805f CY |
3944 | free_bio_enrty_cache: |
3945 | f2fs_destroy_bio_entry_cache(); | |
0b20fcec CY |
3946 | free_post_read: |
3947 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
3948 | free_root_stats: |
3949 | f2fs_destroy_root_stats(); | |
787c7b8c | 3950 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
3951 | free_shrinker: |
3952 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 3953 | free_sysfs: |
dc6b2055 | 3954 | f2fs_exit_sysfs(); |
1dcc336b | 3955 | free_extent_cache: |
4d57b86d | 3956 | f2fs_destroy_extent_cache(); |
9890ff3f | 3957 | free_checkpoint_caches: |
4d57b86d | 3958 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 3959 | free_segment_manager_caches: |
4d57b86d | 3960 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 3961 | free_node_manager_caches: |
4d57b86d | 3962 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
3963 | free_inodecache: |
3964 | destroy_inodecache(); | |
aff063e2 JK |
3965 | fail: |
3966 | return err; | |
3967 | } | |
3968 | ||
3969 | static void __exit exit_f2fs_fs(void) | |
3970 | { | |
5e6bbde9 | 3971 | f2fs_destroy_compress_mempool(); |
f543805f | 3972 | f2fs_destroy_bioset(); |
0b20fcec | 3973 | f2fs_destroy_bio_entry_cache(); |
6dbb1796 | 3974 | f2fs_destroy_post_read_processing(); |
4589d25d | 3975 | f2fs_destroy_root_stats(); |
aff063e2 | 3976 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 3977 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 3978 | f2fs_exit_sysfs(); |
4d57b86d CY |
3979 | f2fs_destroy_extent_cache(); |
3980 | f2fs_destroy_checkpoint_caches(); | |
3981 | f2fs_destroy_segment_manager_caches(); | |
3982 | f2fs_destroy_node_manager_caches(); | |
aff063e2 | 3983 | destroy_inodecache(); |
351f4fba | 3984 | f2fs_destroy_trace_ios(); |
aff063e2 JK |
3985 | } |
3986 | ||
3987 | module_init(init_f2fs_fs) | |
3988 | module_exit(exit_f2fs_fs) | |
3989 | ||
3990 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
3991 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
3992 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 3993 |