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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> |
aff063e2 JK |
27 | |
28 | #include "f2fs.h" | |
29 | #include "node.h" | |
5ec4e49f | 30 | #include "segment.h" |
aff063e2 | 31 | #include "xattr.h" |
b59d0bae | 32 | #include "gc.h" |
db9f7c1a | 33 | #include "trace.h" |
aff063e2 | 34 | |
a2a4a7e4 NJ |
35 | #define CREATE_TRACE_POINTS |
36 | #include <trace/events/f2fs.h> | |
37 | ||
aff063e2 JK |
38 | static struct kmem_cache *f2fs_inode_cachep; |
39 | ||
73faec4d | 40 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 41 | |
19880e6e | 42 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 43 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 44 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 45 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 46 | [FAULT_PAGE_GET] = "page get", |
d62fe971 | 47 | [FAULT_ALLOC_BIO] = "alloc bio", |
cb78942b JK |
48 | [FAULT_ALLOC_NID] = "alloc nid", |
49 | [FAULT_ORPHAN] = "orphan", | |
50 | [FAULT_BLOCK] = "no more block", | |
51 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 52 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 53 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 54 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 55 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 56 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 57 | [FAULT_WRITE_IO] = "write IO error", |
2c63fead | 58 | }; |
08796897 | 59 | |
d494500a CY |
60 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
61 | unsigned int type) | |
08796897 | 62 | { |
63189b78 | 63 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 64 | |
08796897 | 65 | if (rate) { |
1ecc0c5c CY |
66 | atomic_set(&ffi->inject_ops, 0); |
67 | ffi->inject_rate = rate; | |
08796897 | 68 | } |
d494500a CY |
69 | |
70 | if (type) | |
71 | ffi->inject_type = type; | |
72 | ||
73 | if (!rate && !type) | |
74 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 75 | } |
73faec4d JK |
76 | #endif |
77 | ||
2658e50d JK |
78 | /* f2fs-wide shrinker description */ |
79 | static struct shrinker f2fs_shrinker_info = { | |
80 | .scan_objects = f2fs_shrink_scan, | |
81 | .count_objects = f2fs_shrink_count, | |
82 | .seeks = DEFAULT_SEEKS, | |
83 | }; | |
84 | ||
aff063e2 | 85 | enum { |
696c018c | 86 | Opt_gc_background, |
aff063e2 | 87 | Opt_disable_roll_forward, |
2d834bf9 | 88 | Opt_norecovery, |
aff063e2 | 89 | Opt_discard, |
64058be9 | 90 | Opt_nodiscard, |
aff063e2 | 91 | Opt_noheap, |
7a20b8a6 | 92 | Opt_heap, |
4058c511 | 93 | Opt_user_xattr, |
aff063e2 | 94 | Opt_nouser_xattr, |
4058c511 | 95 | Opt_acl, |
aff063e2 JK |
96 | Opt_noacl, |
97 | Opt_active_logs, | |
98 | Opt_disable_ext_identify, | |
444c580f | 99 | Opt_inline_xattr, |
23cf7212 | 100 | Opt_noinline_xattr, |
6afc662e | 101 | Opt_inline_xattr_size, |
8274de77 | 102 | Opt_inline_data, |
5efd3c6f | 103 | Opt_inline_dentry, |
97c1794a | 104 | Opt_noinline_dentry, |
6b4afdd7 | 105 | Opt_flush_merge, |
69e9e427 | 106 | Opt_noflush_merge, |
0f7b2abd | 107 | Opt_nobarrier, |
d5053a34 | 108 | Opt_fastboot, |
89672159 | 109 | Opt_extent_cache, |
7daaea25 | 110 | Opt_noextent_cache, |
75342797 | 111 | Opt_noinline_data, |
343f40f0 | 112 | Opt_data_flush, |
7e65be49 | 113 | Opt_reserve_root, |
7c2e5963 JK |
114 | Opt_resgid, |
115 | Opt_resuid, | |
36abef4e | 116 | Opt_mode, |
ec91538d | 117 | Opt_io_size_bits, |
73faec4d | 118 | Opt_fault_injection, |
d494500a | 119 | Opt_fault_type, |
6d94c74a JK |
120 | Opt_lazytime, |
121 | Opt_nolazytime, | |
4b2414d0 CY |
122 | Opt_quota, |
123 | Opt_noquota, | |
0abd675e CY |
124 | Opt_usrquota, |
125 | Opt_grpquota, | |
5c57132e | 126 | Opt_prjquota, |
4b2414d0 CY |
127 | Opt_usrjquota, |
128 | Opt_grpjquota, | |
129 | Opt_prjjquota, | |
130 | Opt_offusrjquota, | |
131 | Opt_offgrpjquota, | |
132 | Opt_offprjjquota, | |
133 | Opt_jqfmt_vfsold, | |
134 | Opt_jqfmt_vfsv0, | |
135 | Opt_jqfmt_vfsv1, | |
0cdd3195 | 136 | Opt_whint, |
07939627 | 137 | Opt_alloc, |
93cf93f1 | 138 | Opt_fsync, |
ff62af20 | 139 | Opt_test_dummy_encryption, |
4d3aed70 DR |
140 | Opt_checkpoint_disable, |
141 | Opt_checkpoint_disable_cap, | |
142 | Opt_checkpoint_disable_cap_perc, | |
143 | Opt_checkpoint_enable, | |
aff063e2 JK |
144 | Opt_err, |
145 | }; | |
146 | ||
147 | static match_table_t f2fs_tokens = { | |
696c018c | 148 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 149 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 150 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 151 | {Opt_discard, "discard"}, |
64058be9 | 152 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 153 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 154 | {Opt_heap, "heap"}, |
4058c511 | 155 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 156 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 157 | {Opt_acl, "acl"}, |
aff063e2 JK |
158 | {Opt_noacl, "noacl"}, |
159 | {Opt_active_logs, "active_logs=%u"}, | |
160 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 161 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 162 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 163 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 164 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 165 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 166 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 167 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 168 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 169 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 170 | {Opt_fastboot, "fastboot"}, |
89672159 | 171 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 172 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 173 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 174 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 175 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
176 | {Opt_resgid, "resgid=%u"}, |
177 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 178 | {Opt_mode, "mode=%s"}, |
ec91538d | 179 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 180 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 181 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
182 | {Opt_lazytime, "lazytime"}, |
183 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
184 | {Opt_quota, "quota"}, |
185 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
186 | {Opt_usrquota, "usrquota"}, |
187 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 188 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
189 | {Opt_usrjquota, "usrjquota=%s"}, |
190 | {Opt_grpjquota, "grpjquota=%s"}, | |
191 | {Opt_prjjquota, "prjjquota=%s"}, | |
192 | {Opt_offusrjquota, "usrjquota="}, | |
193 | {Opt_offgrpjquota, "grpjquota="}, | |
194 | {Opt_offprjjquota, "prjjquota="}, | |
195 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
196 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
197 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
0cdd3195 | 198 | {Opt_whint, "whint_mode=%s"}, |
07939627 | 199 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 200 | {Opt_fsync, "fsync_mode=%s"}, |
ff62af20 | 201 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
4d3aed70 DR |
202 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
203 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
204 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
205 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
aff063e2 JK |
206 | {Opt_err, NULL}, |
207 | }; | |
208 | ||
dcbb4c10 | 209 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
210 | { |
211 | struct va_format vaf; | |
212 | va_list args; | |
dcbb4c10 | 213 | int level; |
a07ef784 NJ |
214 | |
215 | va_start(args, fmt); | |
dcbb4c10 JP |
216 | |
217 | level = printk_get_level(fmt); | |
218 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 219 | vaf.va = &args; |
dcbb4c10 JP |
220 | printk("%c%cF2FS-fs (%s): %pV\n", |
221 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
222 | ||
a07ef784 NJ |
223 | va_end(args); |
224 | } | |
225 | ||
5aba5430 DR |
226 | #ifdef CONFIG_UNICODE |
227 | static const struct f2fs_sb_encodings { | |
228 | __u16 magic; | |
229 | char *name; | |
230 | char *version; | |
231 | } f2fs_sb_encoding_map[] = { | |
232 | {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"}, | |
233 | }; | |
234 | ||
235 | static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, | |
236 | const struct f2fs_sb_encodings **encoding, | |
237 | __u16 *flags) | |
238 | { | |
239 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
240 | int i; | |
241 | ||
242 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
243 | if (magic == f2fs_sb_encoding_map[i].magic) | |
244 | break; | |
245 | ||
246 | if (i >= ARRAY_SIZE(f2fs_sb_encoding_map)) | |
247 | return -EINVAL; | |
248 | ||
249 | *encoding = &f2fs_sb_encoding_map[i]; | |
250 | *flags = le16_to_cpu(sb->s_encoding_flags); | |
251 | ||
252 | return 0; | |
253 | } | |
254 | #endif | |
255 | ||
7e65be49 JK |
256 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
257 | { | |
9a9aecaa DR |
258 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
259 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
260 | |
261 | /* limit is 0.2% */ | |
63189b78 CY |
262 | if (test_opt(sbi, RESERVE_ROOT) && |
263 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
264 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
265 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
266 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 267 | } |
7c2e5963 | 268 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 269 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 270 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 271 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 272 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
273 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
274 | from_kuid_munged(&init_user_ns, | |
275 | F2FS_OPTION(sbi).s_resuid), | |
276 | from_kgid_munged(&init_user_ns, | |
277 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
278 | } |
279 | ||
aff063e2 JK |
280 | static void init_once(void *foo) |
281 | { | |
282 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
283 | ||
aff063e2 JK |
284 | inode_init_once(&fi->vfs_inode); |
285 | } | |
286 | ||
4b2414d0 CY |
287 | #ifdef CONFIG_QUOTA |
288 | static const char * const quotatypes[] = INITQFNAMES; | |
289 | #define QTYPE2NAME(t) (quotatypes[t]) | |
290 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
291 | substring_t *args) | |
292 | { | |
293 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
294 | char *qname; | |
295 | int ret = -EINVAL; | |
296 | ||
63189b78 | 297 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 298 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
299 | return -EINVAL; |
300 | } | |
7beb01f7 | 301 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 302 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
303 | return 0; |
304 | } | |
305 | ||
4b2414d0 CY |
306 | qname = match_strdup(args); |
307 | if (!qname) { | |
dcbb4c10 | 308 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 309 | return -ENOMEM; |
4b2414d0 | 310 | } |
63189b78 CY |
311 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
312 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
313 | ret = 0; |
314 | else | |
dcbb4c10 | 315 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
316 | QTYPE2NAME(qtype)); |
317 | goto errout; | |
318 | } | |
319 | if (strchr(qname, '/')) { | |
dcbb4c10 | 320 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
321 | goto errout; |
322 | } | |
63189b78 | 323 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
324 | set_opt(sbi, QUOTA); |
325 | return 0; | |
326 | errout: | |
5222595d | 327 | kvfree(qname); |
4b2414d0 CY |
328 | return ret; |
329 | } | |
330 | ||
331 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
332 | { | |
333 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
334 | ||
63189b78 | 335 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 336 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
337 | return -EINVAL; |
338 | } | |
5222595d | 339 | kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 340 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
341 | return 0; |
342 | } | |
343 | ||
344 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
345 | { | |
346 | /* | |
347 | * We do the test below only for project quotas. 'usrquota' and | |
348 | * 'grpquota' mount options are allowed even without quota feature | |
349 | * to support legacy quotas in quota files. | |
350 | */ | |
7beb01f7 | 351 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 352 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
353 | return -1; |
354 | } | |
63189b78 CY |
355 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
356 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
357 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
358 | if (test_opt(sbi, USRQUOTA) && | |
359 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
360 | clear_opt(sbi, USRQUOTA); |
361 | ||
63189b78 CY |
362 | if (test_opt(sbi, GRPQUOTA) && |
363 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
364 | clear_opt(sbi, GRPQUOTA); |
365 | ||
63189b78 CY |
366 | if (test_opt(sbi, PRJQUOTA) && |
367 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
368 | clear_opt(sbi, PRJQUOTA); |
369 | ||
370 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
371 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 372 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
373 | return -1; |
374 | } | |
375 | ||
63189b78 | 376 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 377 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
378 | return -1; |
379 | } | |
380 | } | |
ea676733 | 381 | |
7beb01f7 | 382 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 383 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 384 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 385 | } |
4b2414d0 CY |
386 | return 0; |
387 | } | |
388 | #endif | |
389 | ||
696c018c NJ |
390 | static int parse_options(struct super_block *sb, char *options) |
391 | { | |
392 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
393 | substring_t args[MAX_OPT_ARGS]; | |
394 | char *p, *name; | |
395 | int arg = 0; | |
7c2e5963 JK |
396 | kuid_t uid; |
397 | kgid_t gid; | |
4b2414d0 CY |
398 | #ifdef CONFIG_QUOTA |
399 | int ret; | |
400 | #endif | |
696c018c NJ |
401 | |
402 | if (!options) | |
403 | return 0; | |
404 | ||
405 | while ((p = strsep(&options, ",")) != NULL) { | |
406 | int token; | |
407 | if (!*p) | |
408 | continue; | |
409 | /* | |
410 | * Initialize args struct so we know whether arg was | |
411 | * found; some options take optional arguments. | |
412 | */ | |
413 | args[0].to = args[0].from = NULL; | |
414 | token = match_token(p, f2fs_tokens, args); | |
415 | ||
416 | switch (token) { | |
417 | case Opt_gc_background: | |
418 | name = match_strdup(&args[0]); | |
419 | ||
420 | if (!name) | |
421 | return -ENOMEM; | |
6aefd93b | 422 | if (strlen(name) == 2 && !strncmp(name, "on", 2)) { |
696c018c | 423 | set_opt(sbi, BG_GC); |
6aefd93b JK |
424 | clear_opt(sbi, FORCE_FG_GC); |
425 | } else if (strlen(name) == 3 && !strncmp(name, "off", 3)) { | |
696c018c | 426 | clear_opt(sbi, BG_GC); |
6aefd93b JK |
427 | clear_opt(sbi, FORCE_FG_GC); |
428 | } else if (strlen(name) == 4 && !strncmp(name, "sync", 4)) { | |
429 | set_opt(sbi, BG_GC); | |
430 | set_opt(sbi, FORCE_FG_GC); | |
431 | } else { | |
5222595d | 432 | kvfree(name); |
696c018c NJ |
433 | return -EINVAL; |
434 | } | |
5222595d | 435 | kvfree(name); |
696c018c NJ |
436 | break; |
437 | case Opt_disable_roll_forward: | |
438 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
439 | break; | |
2d834bf9 JK |
440 | case Opt_norecovery: |
441 | /* this option mounts f2fs with ro */ | |
442 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
443 | if (!f2fs_readonly(sb)) | |
444 | return -EINVAL; | |
445 | break; | |
696c018c | 446 | case Opt_discard: |
7d20c8ab | 447 | set_opt(sbi, DISCARD); |
696c018c | 448 | break; |
64058be9 | 449 | case Opt_nodiscard: |
7beb01f7 | 450 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 451 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
452 | return -EINVAL; |
453 | } | |
64058be9 | 454 | clear_opt(sbi, DISCARD); |
487df616 | 455 | break; |
696c018c NJ |
456 | case Opt_noheap: |
457 | set_opt(sbi, NOHEAP); | |
458 | break; | |
7a20b8a6 JK |
459 | case Opt_heap: |
460 | clear_opt(sbi, NOHEAP); | |
461 | break; | |
696c018c | 462 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
463 | case Opt_user_xattr: |
464 | set_opt(sbi, XATTR_USER); | |
465 | break; | |
696c018c NJ |
466 | case Opt_nouser_xattr: |
467 | clear_opt(sbi, XATTR_USER); | |
468 | break; | |
444c580f JK |
469 | case Opt_inline_xattr: |
470 | set_opt(sbi, INLINE_XATTR); | |
471 | break; | |
23cf7212 CY |
472 | case Opt_noinline_xattr: |
473 | clear_opt(sbi, INLINE_XATTR); | |
474 | break; | |
6afc662e CY |
475 | case Opt_inline_xattr_size: |
476 | if (args->from && match_int(args, &arg)) | |
477 | return -EINVAL; | |
478 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 479 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 480 | break; |
696c018c | 481 | #else |
4058c511 | 482 | case Opt_user_xattr: |
dcbb4c10 | 483 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 484 | break; |
696c018c | 485 | case Opt_nouser_xattr: |
dcbb4c10 | 486 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 487 | break; |
444c580f | 488 | case Opt_inline_xattr: |
dcbb4c10 | 489 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 490 | break; |
23cf7212 | 491 | case Opt_noinline_xattr: |
dcbb4c10 | 492 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 493 | break; |
696c018c NJ |
494 | #endif |
495 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
496 | case Opt_acl: |
497 | set_opt(sbi, POSIX_ACL); | |
498 | break; | |
696c018c NJ |
499 | case Opt_noacl: |
500 | clear_opt(sbi, POSIX_ACL); | |
501 | break; | |
502 | #else | |
4058c511 | 503 | case Opt_acl: |
dcbb4c10 | 504 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 505 | break; |
696c018c | 506 | case Opt_noacl: |
dcbb4c10 | 507 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
508 | break; |
509 | #endif | |
510 | case Opt_active_logs: | |
511 | if (args->from && match_int(args, &arg)) | |
512 | return -EINVAL; | |
513 | if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE) | |
514 | return -EINVAL; | |
63189b78 | 515 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
516 | break; |
517 | case Opt_disable_ext_identify: | |
518 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
519 | break; | |
8274de77 HL |
520 | case Opt_inline_data: |
521 | set_opt(sbi, INLINE_DATA); | |
522 | break; | |
5efd3c6f CY |
523 | case Opt_inline_dentry: |
524 | set_opt(sbi, INLINE_DENTRY); | |
525 | break; | |
97c1794a CY |
526 | case Opt_noinline_dentry: |
527 | clear_opt(sbi, INLINE_DENTRY); | |
528 | break; | |
6b4afdd7 JK |
529 | case Opt_flush_merge: |
530 | set_opt(sbi, FLUSH_MERGE); | |
531 | break; | |
69e9e427 JK |
532 | case Opt_noflush_merge: |
533 | clear_opt(sbi, FLUSH_MERGE); | |
534 | break; | |
0f7b2abd JK |
535 | case Opt_nobarrier: |
536 | set_opt(sbi, NOBARRIER); | |
537 | break; | |
d5053a34 JK |
538 | case Opt_fastboot: |
539 | set_opt(sbi, FASTBOOT); | |
540 | break; | |
89672159 CY |
541 | case Opt_extent_cache: |
542 | set_opt(sbi, EXTENT_CACHE); | |
543 | break; | |
7daaea25 JK |
544 | case Opt_noextent_cache: |
545 | clear_opt(sbi, EXTENT_CACHE); | |
546 | break; | |
75342797 WL |
547 | case Opt_noinline_data: |
548 | clear_opt(sbi, INLINE_DATA); | |
549 | break; | |
343f40f0 CY |
550 | case Opt_data_flush: |
551 | set_opt(sbi, DATA_FLUSH); | |
552 | break; | |
7e65be49 JK |
553 | case Opt_reserve_root: |
554 | if (args->from && match_int(args, &arg)) | |
555 | return -EINVAL; | |
556 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
557 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
558 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 559 | } else { |
63189b78 | 560 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
561 | set_opt(sbi, RESERVE_ROOT); |
562 | } | |
563 | break; | |
7c2e5963 JK |
564 | case Opt_resuid: |
565 | if (args->from && match_int(args, &arg)) | |
566 | return -EINVAL; | |
567 | uid = make_kuid(current_user_ns(), arg); | |
568 | if (!uid_valid(uid)) { | |
dcbb4c10 | 569 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
570 | return -EINVAL; |
571 | } | |
63189b78 | 572 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
573 | break; |
574 | case Opt_resgid: | |
575 | if (args->from && match_int(args, &arg)) | |
576 | return -EINVAL; | |
577 | gid = make_kgid(current_user_ns(), arg); | |
578 | if (!gid_valid(gid)) { | |
dcbb4c10 | 579 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
580 | return -EINVAL; |
581 | } | |
63189b78 | 582 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 583 | break; |
36abef4e JK |
584 | case Opt_mode: |
585 | name = match_strdup(&args[0]); | |
586 | ||
587 | if (!name) | |
588 | return -ENOMEM; | |
589 | if (strlen(name) == 8 && | |
590 | !strncmp(name, "adaptive", 8)) { | |
7beb01f7 | 591 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 592 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
5222595d | 593 | kvfree(name); |
3adc57e9 DLM |
594 | return -EINVAL; |
595 | } | |
52763a4b | 596 | set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); |
36abef4e JK |
597 | } else if (strlen(name) == 3 && |
598 | !strncmp(name, "lfs", 3)) { | |
52763a4b | 599 | set_opt_mode(sbi, F2FS_MOUNT_LFS); |
36abef4e | 600 | } else { |
5222595d | 601 | kvfree(name); |
36abef4e JK |
602 | return -EINVAL; |
603 | } | |
5222595d | 604 | kvfree(name); |
36abef4e | 605 | break; |
ec91538d JK |
606 | case Opt_io_size_bits: |
607 | if (args->from && match_int(args, &arg)) | |
608 | return -EINVAL; | |
6d52e135 | 609 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { |
dcbb4c10 JP |
610 | f2fs_warn(sbi, "Not support %d, larger than %d", |
611 | 1 << arg, BIO_MAX_PAGES); | |
ec91538d JK |
612 | return -EINVAL; |
613 | } | |
63189b78 | 614 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 615 | break; |
4cb037ec | 616 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
617 | case Opt_fault_injection: |
618 | if (args->from && match_int(args, &arg)) | |
619 | return -EINVAL; | |
d494500a CY |
620 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
621 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 622 | break; |
4cb037ec | 623 | |
d494500a CY |
624 | case Opt_fault_type: |
625 | if (args->from && match_int(args, &arg)) | |
626 | return -EINVAL; | |
d494500a | 627 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 628 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 629 | break; |
73faec4d | 630 | #else |
4cb037ec | 631 | case Opt_fault_injection: |
dcbb4c10 | 632 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 633 | break; |
4cb037ec CX |
634 | |
635 | case Opt_fault_type: | |
dcbb4c10 | 636 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
637 | break; |
638 | #endif | |
6d94c74a | 639 | case Opt_lazytime: |
1751e8a6 | 640 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
641 | break; |
642 | case Opt_nolazytime: | |
1751e8a6 | 643 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 644 | break; |
0abd675e | 645 | #ifdef CONFIG_QUOTA |
4b2414d0 | 646 | case Opt_quota: |
0abd675e CY |
647 | case Opt_usrquota: |
648 | set_opt(sbi, USRQUOTA); | |
649 | break; | |
650 | case Opt_grpquota: | |
651 | set_opt(sbi, GRPQUOTA); | |
652 | break; | |
5c57132e CY |
653 | case Opt_prjquota: |
654 | set_opt(sbi, PRJQUOTA); | |
655 | break; | |
4b2414d0 CY |
656 | case Opt_usrjquota: |
657 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
658 | if (ret) | |
659 | return ret; | |
660 | break; | |
661 | case Opt_grpjquota: | |
662 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
663 | if (ret) | |
664 | return ret; | |
665 | break; | |
666 | case Opt_prjjquota: | |
667 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
668 | if (ret) | |
669 | return ret; | |
670 | break; | |
671 | case Opt_offusrjquota: | |
672 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
673 | if (ret) | |
674 | return ret; | |
675 | break; | |
676 | case Opt_offgrpjquota: | |
677 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
678 | if (ret) | |
679 | return ret; | |
680 | break; | |
681 | case Opt_offprjjquota: | |
682 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
683 | if (ret) | |
684 | return ret; | |
685 | break; | |
686 | case Opt_jqfmt_vfsold: | |
63189b78 | 687 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
688 | break; |
689 | case Opt_jqfmt_vfsv0: | |
63189b78 | 690 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
691 | break; |
692 | case Opt_jqfmt_vfsv1: | |
63189b78 | 693 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
694 | break; |
695 | case Opt_noquota: | |
696 | clear_opt(sbi, QUOTA); | |
697 | clear_opt(sbi, USRQUOTA); | |
698 | clear_opt(sbi, GRPQUOTA); | |
699 | clear_opt(sbi, PRJQUOTA); | |
700 | break; | |
0abd675e | 701 | #else |
4b2414d0 | 702 | case Opt_quota: |
0abd675e CY |
703 | case Opt_usrquota: |
704 | case Opt_grpquota: | |
5c57132e | 705 | case Opt_prjquota: |
4b2414d0 CY |
706 | case Opt_usrjquota: |
707 | case Opt_grpjquota: | |
708 | case Opt_prjjquota: | |
709 | case Opt_offusrjquota: | |
710 | case Opt_offgrpjquota: | |
711 | case Opt_offprjjquota: | |
712 | case Opt_jqfmt_vfsold: | |
713 | case Opt_jqfmt_vfsv0: | |
714 | case Opt_jqfmt_vfsv1: | |
715 | case Opt_noquota: | |
dcbb4c10 | 716 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
717 | break; |
718 | #endif | |
0cdd3195 HL |
719 | case Opt_whint: |
720 | name = match_strdup(&args[0]); | |
721 | if (!name) | |
722 | return -ENOMEM; | |
723 | if (strlen(name) == 10 && | |
724 | !strncmp(name, "user-based", 10)) { | |
63189b78 | 725 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER; |
0cdd3195 HL |
726 | } else if (strlen(name) == 3 && |
727 | !strncmp(name, "off", 3)) { | |
63189b78 | 728 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; |
f2e703f9 HL |
729 | } else if (strlen(name) == 8 && |
730 | !strncmp(name, "fs-based", 8)) { | |
63189b78 | 731 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; |
0cdd3195 | 732 | } else { |
5222595d | 733 | kvfree(name); |
0cdd3195 HL |
734 | return -EINVAL; |
735 | } | |
5222595d | 736 | kvfree(name); |
0cdd3195 | 737 | break; |
07939627 JK |
738 | case Opt_alloc: |
739 | name = match_strdup(&args[0]); | |
740 | if (!name) | |
741 | return -ENOMEM; | |
742 | ||
743 | if (strlen(name) == 7 && | |
744 | !strncmp(name, "default", 7)) { | |
63189b78 | 745 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
07939627 JK |
746 | } else if (strlen(name) == 5 && |
747 | !strncmp(name, "reuse", 5)) { | |
63189b78 | 748 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 749 | } else { |
5222595d | 750 | kvfree(name); |
07939627 JK |
751 | return -EINVAL; |
752 | } | |
5222595d | 753 | kvfree(name); |
07939627 | 754 | break; |
93cf93f1 JZ |
755 | case Opt_fsync: |
756 | name = match_strdup(&args[0]); | |
757 | if (!name) | |
758 | return -ENOMEM; | |
759 | if (strlen(name) == 5 && | |
760 | !strncmp(name, "posix", 5)) { | |
63189b78 | 761 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
93cf93f1 JZ |
762 | } else if (strlen(name) == 6 && |
763 | !strncmp(name, "strict", 6)) { | |
63189b78 | 764 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
d6290814 JK |
765 | } else if (strlen(name) == 9 && |
766 | !strncmp(name, "nobarrier", 9)) { | |
767 | F2FS_OPTION(sbi).fsync_mode = | |
768 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 769 | } else { |
5222595d | 770 | kvfree(name); |
93cf93f1 JZ |
771 | return -EINVAL; |
772 | } | |
5222595d | 773 | kvfree(name); |
93cf93f1 | 774 | break; |
ff62af20 | 775 | case Opt_test_dummy_encryption: |
643fa961 | 776 | #ifdef CONFIG_FS_ENCRYPTION |
7beb01f7 | 777 | if (!f2fs_sb_has_encrypt(sbi)) { |
dcbb4c10 | 778 | f2fs_err(sbi, "Encrypt feature is off"); |
ff62af20 SY |
779 | return -EINVAL; |
780 | } | |
781 | ||
782 | F2FS_OPTION(sbi).test_dummy_encryption = true; | |
dcbb4c10 | 783 | f2fs_info(sbi, "Test dummy encryption mode enabled"); |
ff62af20 | 784 | #else |
dcbb4c10 | 785 | f2fs_info(sbi, "Test dummy encryption mount option ignored"); |
ff62af20 SY |
786 | #endif |
787 | break; | |
4d3aed70 DR |
788 | case Opt_checkpoint_disable_cap_perc: |
789 | if (args->from && match_int(args, &arg)) | |
4354994f | 790 | return -EINVAL; |
4d3aed70 DR |
791 | if (arg < 0 || arg > 100) |
792 | return -EINVAL; | |
793 | if (arg == 100) | |
794 | F2FS_OPTION(sbi).unusable_cap = | |
795 | sbi->user_block_count; | |
796 | else | |
797 | F2FS_OPTION(sbi).unusable_cap = | |
798 | (sbi->user_block_count / 100) * arg; | |
799 | set_opt(sbi, DISABLE_CHECKPOINT); | |
800 | break; | |
801 | case Opt_checkpoint_disable_cap: | |
802 | if (args->from && match_int(args, &arg)) | |
803 | return -EINVAL; | |
804 | F2FS_OPTION(sbi).unusable_cap = arg; | |
805 | set_opt(sbi, DISABLE_CHECKPOINT); | |
806 | break; | |
807 | case Opt_checkpoint_disable: | |
808 | set_opt(sbi, DISABLE_CHECKPOINT); | |
809 | break; | |
810 | case Opt_checkpoint_enable: | |
811 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 812 | break; |
696c018c | 813 | default: |
dcbb4c10 JP |
814 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
815 | p); | |
696c018c NJ |
816 | return -EINVAL; |
817 | } | |
818 | } | |
4b2414d0 CY |
819 | #ifdef CONFIG_QUOTA |
820 | if (f2fs_check_quota_options(sbi)) | |
821 | return -EINVAL; | |
00960c2c | 822 | #else |
7beb01f7 | 823 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 824 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
825 | return -EINVAL; |
826 | } | |
7beb01f7 | 827 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 828 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
829 | return -EINVAL; |
830 | } | |
4b2414d0 | 831 | #endif |
5aba5430 DR |
832 | #ifndef CONFIG_UNICODE |
833 | if (f2fs_sb_has_casefold(sbi)) { | |
834 | f2fs_err(sbi, | |
835 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
836 | return -EINVAL; | |
837 | } | |
838 | #endif | |
ec91538d JK |
839 | |
840 | if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) { | |
dcbb4c10 JP |
841 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
842 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
843 | return -EINVAL; |
844 | } | |
6afc662e CY |
845 | |
846 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
847 | int min_size, max_size; |
848 | ||
7beb01f7 CY |
849 | if (!f2fs_sb_has_extra_attr(sbi) || |
850 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 851 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
852 | return -EINVAL; |
853 | } | |
6afc662e | 854 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 855 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
856 | return -EINVAL; |
857 | } | |
70db5b04 JK |
858 | |
859 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 860 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
861 | |
862 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
863 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
864 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
865 | min_size, max_size); | |
6afc662e CY |
866 | return -EINVAL; |
867 | } | |
868 | } | |
0cdd3195 | 869 | |
4354994f | 870 | if (test_opt(sbi, DISABLE_CHECKPOINT) && test_opt(sbi, LFS)) { |
dcbb4c10 | 871 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); |
4354994f DR |
872 | return -EINVAL; |
873 | } | |
874 | ||
0cdd3195 HL |
875 | /* Not pass down write hints if the number of active logs is lesser |
876 | * than NR_CURSEG_TYPE. | |
877 | */ | |
63189b78 CY |
878 | if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE) |
879 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
696c018c NJ |
880 | return 0; |
881 | } | |
882 | ||
aff063e2 JK |
883 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
884 | { | |
885 | struct f2fs_inode_info *fi; | |
886 | ||
a0acdfe0 | 887 | fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO); |
aff063e2 JK |
888 | if (!fi) |
889 | return NULL; | |
890 | ||
891 | init_once((void *) fi); | |
892 | ||
434720fa | 893 | /* Initialize f2fs-specific inode info */ |
204706c7 | 894 | atomic_set(&fi->dirty_pages, 0); |
d928bfbf | 895 | init_rwsem(&fi->i_sem); |
2710fd7e | 896 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 897 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 898 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
899 | INIT_LIST_HEAD(&fi->inmem_pages); |
900 | mutex_init(&fi->inmem_lock); | |
b2532c69 CY |
901 | init_rwsem(&fi->i_gc_rwsem[READ]); |
902 | init_rwsem(&fi->i_gc_rwsem[WRITE]); | |
5a3a2d83 | 903 | init_rwsem(&fi->i_mmap_sem); |
27161f13 | 904 | init_rwsem(&fi->i_xattr_sem); |
aff063e2 | 905 | |
ab9fa662 JK |
906 | /* Will be used by directory only */ |
907 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 908 | |
aff063e2 JK |
909 | return &fi->vfs_inode; |
910 | } | |
911 | ||
531ad7d5 JK |
912 | static int f2fs_drop_inode(struct inode *inode) |
913 | { | |
a8933b6b | 914 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 915 | int ret; |
a8933b6b CY |
916 | |
917 | /* | |
918 | * during filesystem shutdown, if checkpoint is disabled, | |
919 | * drop useless meta/node dirty pages. | |
920 | */ | |
921 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
922 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
923 | inode->i_ino == F2FS_META_INO(sbi)) { | |
924 | trace_f2fs_drop_inode(inode, 1); | |
925 | return 1; | |
926 | } | |
927 | } | |
928 | ||
531ad7d5 JK |
929 | /* |
930 | * This is to avoid a deadlock condition like below. | |
931 | * writeback_single_inode(inode) | |
932 | * - f2fs_write_data_page | |
933 | * - f2fs_gc -> iput -> evict | |
934 | * - inode_wait_for_writeback(inode) | |
935 | */ | |
0f18b462 | 936 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 937 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
938 | /* to avoid evict_inode call simultaneously */ |
939 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
940 | spin_unlock(&inode->i_lock); |
941 | ||
942 | /* some remained atomic pages should discarded */ | |
943 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 944 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 945 | |
3e72f721 JK |
946 | /* should remain fi->extent_tree for writepage */ |
947 | f2fs_destroy_extent_node(inode); | |
948 | ||
06e1bc05 | 949 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 950 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 951 | |
a0770e13 | 952 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
953 | inode, NULL, 0, DATA); | |
954 | truncate_inode_pages_final(inode->i_mapping); | |
955 | ||
06e1bc05 | 956 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 957 | f2fs_truncate(inode); |
06e1bc05 JK |
958 | |
959 | sb_end_intwrite(inode->i_sb); | |
960 | ||
06e1bc05 | 961 | spin_lock(&inode->i_lock); |
3e72f721 | 962 | atomic_dec(&inode->i_count); |
06e1bc05 | 963 | } |
b8d96a30 | 964 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 965 | return 0; |
06e1bc05 | 966 | } |
b8d96a30 | 967 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
968 | if (!ret) |
969 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
970 | trace_f2fs_drop_inode(inode, ret); |
971 | return ret; | |
531ad7d5 JK |
972 | } |
973 | ||
7c45729a | 974 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 975 | { |
0f18b462 | 976 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 977 | int ret = 0; |
0f18b462 | 978 | |
0f18b462 JK |
979 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
980 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
981 | ret = 1; |
982 | } else { | |
983 | set_inode_flag(inode, FI_DIRTY_INODE); | |
984 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 985 | } |
7c45729a JK |
986 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
987 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 988 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
989 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
990 | } | |
338bbfa0 | 991 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 992 | return ret; |
0f18b462 JK |
993 | } |
994 | ||
995 | void f2fs_inode_synced(struct inode *inode) | |
996 | { | |
997 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
998 | ||
999 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1000 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1001 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1002 | return; | |
1003 | } | |
7c45729a JK |
1004 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1005 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1006 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1007 | } | |
0f18b462 | 1008 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1009 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1010 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1011 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1012 | } |
1013 | ||
b56ab837 JK |
1014 | /* |
1015 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1016 | * | |
1017 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1018 | */ | |
1019 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1020 | { | |
1021 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1022 | ||
1023 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1024 | inode->i_ino == F2FS_META_INO(sbi)) | |
1025 | return; | |
1026 | ||
1027 | if (flags == I_DIRTY_TIME) | |
1028 | return; | |
1029 | ||
1030 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) | |
1031 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1032 | ||
7c45729a | 1033 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1034 | } |
1035 | ||
d01718a0 | 1036 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1037 | { |
2c58d548 | 1038 | fscrypt_free_inode(inode); |
aff063e2 JK |
1039 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1040 | } | |
1041 | ||
523be8a6 JK |
1042 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1043 | { | |
41382ec4 | 1044 | percpu_counter_destroy(&sbi->alloc_valid_block_count); |
513c5f37 | 1045 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
523be8a6 JK |
1046 | } |
1047 | ||
3c62be17 JK |
1048 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1049 | { | |
1050 | int i; | |
1051 | ||
1052 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1053 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1054 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1055 | kvfree(FDEV(i).blkz_seq); |
3c62be17 JK |
1056 | #endif |
1057 | } | |
5222595d | 1058 | kvfree(sbi->devs); |
3c62be17 JK |
1059 | } |
1060 | ||
aff063e2 JK |
1061 | static void f2fs_put_super(struct super_block *sb) |
1062 | { | |
1063 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1064 | int i; |
cf5c759f | 1065 | bool dropped; |
aff063e2 | 1066 | |
0abd675e | 1067 | f2fs_quota_off_umount(sb); |
aff063e2 | 1068 | |
2658e50d JK |
1069 | /* prevent remaining shrinker jobs */ |
1070 | mutex_lock(&sbi->umount_mutex); | |
1071 | ||
85dc2f2c JK |
1072 | /* |
1073 | * We don't need to do checkpoint when superblock is clean. | |
1074 | * But, the previous checkpoint was not done by umount, it needs to do | |
1075 | * clean checkpoint again. | |
1076 | */ | |
4354994f DR |
1077 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1078 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1079 | struct cp_control cpc = { |
1080 | .reason = CP_UMOUNT, | |
1081 | }; | |
4d57b86d | 1082 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1083 | } |
aff063e2 | 1084 | |
4e6a8d9b | 1085 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1086 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1087 | |
7d20c8ab CY |
1088 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1089 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1090 | struct cp_control cpc = { |
1091 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1092 | }; | |
4d57b86d | 1093 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1094 | } |
1095 | ||
cf779cab JK |
1096 | /* |
1097 | * normally superblock is clean, so we need to release this. | |
1098 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1099 | */ | |
4d57b86d | 1100 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1101 | |
2658e50d JK |
1102 | f2fs_leave_shrinker(sbi); |
1103 | mutex_unlock(&sbi->umount_mutex); | |
1104 | ||
17c19120 | 1105 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1106 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1107 | |
50fa53ec CY |
1108 | f2fs_wait_on_all_pages_writeback(sbi); |
1109 | ||
1110 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1111 | ||
aff063e2 | 1112 | iput(sbi->node_inode); |
7c77bf7d JK |
1113 | sbi->node_inode = NULL; |
1114 | ||
aff063e2 | 1115 | iput(sbi->meta_inode); |
7c77bf7d | 1116 | sbi->meta_inode = NULL; |
aff063e2 | 1117 | |
60aa4d55 ST |
1118 | /* |
1119 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1120 | * above failed with error. | |
1121 | */ | |
1122 | f2fs_destroy_stats(sbi); | |
1123 | ||
aff063e2 | 1124 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1125 | f2fs_destroy_node_manager(sbi); |
1126 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1127 | |
5222595d | 1128 | kvfree(sbi->ckpt); |
a398101a | 1129 | |
dc6b2055 | 1130 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
1131 | |
1132 | sb->s_fs_info = NULL; | |
43b6573b KM |
1133 | if (sbi->s_chksum_driver) |
1134 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 1135 | kvfree(sbi->raw_super); |
523be8a6 | 1136 | |
3c62be17 | 1137 | destroy_device_list(sbi); |
b6895e8f | 1138 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1139 | #ifdef CONFIG_QUOTA |
1140 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1141 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1142 | #endif |
523be8a6 | 1143 | destroy_percpu_info(sbi); |
a912b54d | 1144 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1145 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
1146 | #ifdef CONFIG_UNICODE |
1147 | utf8_unload(sbi->s_encoding); | |
1148 | #endif | |
5222595d | 1149 | kvfree(sbi); |
aff063e2 JK |
1150 | } |
1151 | ||
1152 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1153 | { | |
1154 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1155 | int err = 0; |
aff063e2 | 1156 | |
1f227a3e JK |
1157 | if (unlikely(f2fs_cp_error(sbi))) |
1158 | return 0; | |
4354994f DR |
1159 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1160 | return 0; | |
1f227a3e | 1161 | |
a2a4a7e4 NJ |
1162 | trace_f2fs_sync_fs(sb, sync); |
1163 | ||
4b2414d0 CY |
1164 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1165 | return -EAGAIN; | |
1166 | ||
b7473754 | 1167 | if (sync) { |
d5053a34 JK |
1168 | struct cp_control cpc; |
1169 | ||
119ee914 JK |
1170 | cpc.reason = __get_cp_reason(sbi); |
1171 | ||
b7473754 | 1172 | mutex_lock(&sbi->gc_mutex); |
4d57b86d | 1173 | err = f2fs_write_checkpoint(sbi, &cpc); |
b7473754 | 1174 | mutex_unlock(&sbi->gc_mutex); |
b7473754 | 1175 | } |
05ca3632 | 1176 | f2fs_trace_ios(NULL, 1); |
aff063e2 | 1177 | |
c34f42e2 | 1178 | return err; |
aff063e2 JK |
1179 | } |
1180 | ||
d6212a5f CL |
1181 | static int f2fs_freeze(struct super_block *sb) |
1182 | { | |
77888c1e | 1183 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1184 | return 0; |
1185 | ||
b4b9d34c JK |
1186 | /* IO error happened before */ |
1187 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1188 | return -EIO; | |
1189 | ||
1190 | /* must be clean, since sync_filesystem() was already called */ | |
1191 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1192 | return -EINVAL; | |
1193 | return 0; | |
d6212a5f CL |
1194 | } |
1195 | ||
1196 | static int f2fs_unfreeze(struct super_block *sb) | |
1197 | { | |
1198 | return 0; | |
1199 | } | |
1200 | ||
ddc34e32 CY |
1201 | #ifdef CONFIG_QUOTA |
1202 | static int f2fs_statfs_project(struct super_block *sb, | |
1203 | kprojid_t projid, struct kstatfs *buf) | |
1204 | { | |
1205 | struct kqid qid; | |
1206 | struct dquot *dquot; | |
1207 | u64 limit; | |
1208 | u64 curblock; | |
1209 | ||
1210 | qid = make_kqid_projid(projid); | |
1211 | dquot = dqget(sb, qid); | |
1212 | if (IS_ERR(dquot)) | |
1213 | return PTR_ERR(dquot); | |
955ac6e5 | 1214 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1215 | |
1216 | limit = (dquot->dq_dqb.dqb_bsoftlimit ? | |
1217 | dquot->dq_dqb.dqb_bsoftlimit : | |
1218 | dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits; | |
1219 | if (limit && buf->f_blocks > limit) { | |
1220 | curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits; | |
1221 | buf->f_blocks = limit; | |
1222 | buf->f_bfree = buf->f_bavail = | |
1223 | (buf->f_blocks > curblock) ? | |
1224 | (buf->f_blocks - curblock) : 0; | |
1225 | } | |
1226 | ||
1227 | limit = dquot->dq_dqb.dqb_isoftlimit ? | |
1228 | dquot->dq_dqb.dqb_isoftlimit : | |
1229 | dquot->dq_dqb.dqb_ihardlimit; | |
1230 | if (limit && buf->f_files > limit) { | |
1231 | buf->f_files = limit; | |
1232 | buf->f_ffree = | |
1233 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1234 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1235 | } | |
1236 | ||
955ac6e5 | 1237 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1238 | dqput(dquot); |
1239 | return 0; | |
1240 | } | |
1241 | #endif | |
1242 | ||
aff063e2 JK |
1243 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1244 | { | |
1245 | struct super_block *sb = dentry->d_sb; | |
1246 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1247 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1248 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1249 | u64 avail_node_count; |
aff063e2 JK |
1250 | |
1251 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
1252 | user_block_count = sbi->user_block_count; | |
1253 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); | |
aff063e2 JK |
1254 | buf->f_type = F2FS_SUPER_MAGIC; |
1255 | buf->f_bsize = sbi->blocksize; | |
1256 | ||
1257 | buf->f_blocks = total_count - start_count; | |
f66c027e | 1258 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1259 | sbi->current_reserved_blocks; |
c9c8ed50 CY |
1260 | |
1261 | spin_lock(&sbi->stat_lock); | |
4354994f DR |
1262 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1263 | buf->f_bfree = 0; | |
1264 | else | |
1265 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1266 | spin_unlock(&sbi->stat_lock); |
4354994f | 1267 | |
63189b78 CY |
1268 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1269 | buf->f_bavail = buf->f_bfree - | |
1270 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1271 | else |
1272 | buf->f_bavail = 0; | |
aff063e2 | 1273 | |
27cae0bc | 1274 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
0cc091d0 JK |
1275 | |
1276 | if (avail_node_count > user_block_count) { | |
1277 | buf->f_files = user_block_count; | |
1278 | buf->f_ffree = buf->f_bavail; | |
1279 | } else { | |
1280 | buf->f_files = avail_node_count; | |
1281 | buf->f_ffree = min(avail_node_count - valid_node_count(sbi), | |
1282 | buf->f_bavail); | |
1283 | } | |
aff063e2 | 1284 | |
5a20d339 | 1285 | buf->f_namelen = F2FS_NAME_LEN; |
aff063e2 JK |
1286 | buf->f_fsid.val[0] = (u32)id; |
1287 | buf->f_fsid.val[1] = (u32)(id >> 32); | |
1288 | ||
ddc34e32 CY |
1289 | #ifdef CONFIG_QUOTA |
1290 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1291 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1292 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1293 | } | |
1294 | #endif | |
aff063e2 JK |
1295 | return 0; |
1296 | } | |
1297 | ||
4b2414d0 CY |
1298 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1299 | struct super_block *sb) | |
1300 | { | |
1301 | #ifdef CONFIG_QUOTA | |
1302 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1303 | ||
63189b78 | 1304 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1305 | char *fmtname = ""; |
1306 | ||
63189b78 | 1307 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1308 | case QFMT_VFS_OLD: |
1309 | fmtname = "vfsold"; | |
1310 | break; | |
1311 | case QFMT_VFS_V0: | |
1312 | fmtname = "vfsv0"; | |
1313 | break; | |
1314 | case QFMT_VFS_V1: | |
1315 | fmtname = "vfsv1"; | |
1316 | break; | |
1317 | } | |
1318 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1319 | } | |
1320 | ||
63189b78 CY |
1321 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1322 | seq_show_option(seq, "usrjquota", | |
1323 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1324 | |
63189b78 CY |
1325 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1326 | seq_show_option(seq, "grpjquota", | |
1327 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1328 | |
63189b78 CY |
1329 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1330 | seq_show_option(seq, "prjjquota", | |
1331 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1332 | #endif |
1333 | } | |
1334 | ||
aff063e2 JK |
1335 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1336 | { | |
1337 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1338 | ||
6aefd93b JK |
1339 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC)) { |
1340 | if (test_opt(sbi, FORCE_FG_GC)) | |
1341 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1342 | else | |
1343 | seq_printf(seq, ",background_gc=%s", "on"); | |
1344 | } else { | |
696c018c | 1345 | seq_printf(seq, ",background_gc=%s", "off"); |
6aefd93b | 1346 | } |
aff063e2 JK |
1347 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1348 | seq_puts(seq, ",disable_roll_forward"); | |
1349 | if (test_opt(sbi, DISCARD)) | |
1350 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1351 | else |
1352 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1353 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1354 | seq_puts(seq, ",no_heap"); |
1355 | else | |
1356 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1357 | #ifdef CONFIG_F2FS_FS_XATTR |
1358 | if (test_opt(sbi, XATTR_USER)) | |
1359 | seq_puts(seq, ",user_xattr"); | |
1360 | else | |
1361 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1362 | if (test_opt(sbi, INLINE_XATTR)) |
1363 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1364 | else |
1365 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1366 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1367 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1368 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1369 | #endif |
1370 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1371 | if (test_opt(sbi, POSIX_ACL)) | |
1372 | seq_puts(seq, ",acl"); | |
1373 | else | |
1374 | seq_puts(seq, ",noacl"); | |
1375 | #endif | |
1376 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1377 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1378 | if (test_opt(sbi, INLINE_DATA)) |
1379 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1380 | else |
1381 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1382 | if (test_opt(sbi, INLINE_DENTRY)) |
1383 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1384 | else |
1385 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1386 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1387 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1388 | if (test_opt(sbi, NOBARRIER)) |
1389 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1390 | if (test_opt(sbi, FASTBOOT)) |
1391 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1392 | if (test_opt(sbi, EXTENT_CACHE)) |
1393 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1394 | else |
1395 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1396 | if (test_opt(sbi, DATA_FLUSH)) |
1397 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1398 | |
1399 | seq_puts(seq, ",mode="); | |
1400 | if (test_opt(sbi, ADAPTIVE)) | |
1401 | seq_puts(seq, "adaptive"); | |
1402 | else if (test_opt(sbi, LFS)) | |
1403 | seq_puts(seq, "lfs"); | |
63189b78 | 1404 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1405 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1406 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1407 | F2FS_OPTION(sbi).root_reserved_blocks, |
1408 | from_kuid_munged(&init_user_ns, | |
1409 | F2FS_OPTION(sbi).s_resuid), | |
1410 | from_kgid_munged(&init_user_ns, | |
1411 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1412 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1413 | seq_printf(seq, ",io_bits=%u", |
1414 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1415 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1416 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1417 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1418 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1419 | seq_printf(seq, ",fault_type=%u", |
1420 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1421 | } | |
0cc0dec2 | 1422 | #endif |
0abd675e | 1423 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1424 | if (test_opt(sbi, QUOTA)) |
1425 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1426 | if (test_opt(sbi, USRQUOTA)) |
1427 | seq_puts(seq, ",usrquota"); | |
1428 | if (test_opt(sbi, GRPQUOTA)) | |
1429 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1430 | if (test_opt(sbi, PRJQUOTA)) |
1431 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1432 | #endif |
4b2414d0 | 1433 | f2fs_show_quota_options(seq, sbi->sb); |
63189b78 | 1434 | if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER) |
0cdd3195 | 1435 | seq_printf(seq, ",whint_mode=%s", "user-based"); |
63189b78 | 1436 | else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS) |
f2e703f9 | 1437 | seq_printf(seq, ",whint_mode=%s", "fs-based"); |
643fa961 | 1438 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1439 | if (F2FS_OPTION(sbi).test_dummy_encryption) |
1440 | seq_puts(seq, ",test_dummy_encryption"); | |
1441 | #endif | |
aff063e2 | 1442 | |
63189b78 | 1443 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1444 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1445 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1446 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1447 | |
4354994f | 1448 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1449 | seq_printf(seq, ",checkpoint=disable:%u", |
1450 | F2FS_OPTION(sbi).unusable_cap); | |
63189b78 | 1451 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1452 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1453 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1454 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1455 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1456 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
aff063e2 JK |
1457 | return 0; |
1458 | } | |
1459 | ||
498c5e9f YH |
1460 | static void default_options(struct f2fs_sb_info *sbi) |
1461 | { | |
1462 | /* init some FS parameters */ | |
63189b78 CY |
1463 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_TYPE; |
1464 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
1465 | F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF; | |
1466 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; | |
1467 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
ff62af20 | 1468 | F2FS_OPTION(sbi).test_dummy_encryption = false; |
0aa7e0f8 CY |
1469 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
1470 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
498c5e9f YH |
1471 | |
1472 | set_opt(sbi, BG_GC); | |
39133a50 | 1473 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 1474 | set_opt(sbi, INLINE_DATA); |
97c1794a | 1475 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 1476 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 1477 | set_opt(sbi, NOHEAP); |
4354994f | 1478 | clear_opt(sbi, DISABLE_CHECKPOINT); |
4d3aed70 | 1479 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 1480 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 1481 | set_opt(sbi, FLUSH_MERGE); |
7d20c8ab | 1482 | set_opt(sbi, DISCARD); |
7beb01f7 | 1483 | if (f2fs_sb_has_blkzoned(sbi)) |
a39e5365 CY |
1484 | set_opt_mode(sbi, F2FS_MOUNT_LFS); |
1485 | else | |
52763a4b | 1486 | set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); |
498c5e9f YH |
1487 | |
1488 | #ifdef CONFIG_F2FS_FS_XATTR | |
1489 | set_opt(sbi, XATTR_USER); | |
1490 | #endif | |
1491 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1492 | set_opt(sbi, POSIX_ACL); | |
1493 | #endif | |
36dbd328 | 1494 | |
d494500a | 1495 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
1496 | } |
1497 | ||
ea676733 JK |
1498 | #ifdef CONFIG_QUOTA |
1499 | static int f2fs_enable_quotas(struct super_block *sb); | |
1500 | #endif | |
4354994f DR |
1501 | |
1502 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
1503 | { | |
812a9597 | 1504 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 1505 | struct cp_control cpc; |
812a9597 JK |
1506 | int err = 0; |
1507 | int ret; | |
4d3aed70 | 1508 | block_t unusable; |
4354994f | 1509 | |
812a9597 | 1510 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 1511 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
1512 | return -EINVAL; |
1513 | } | |
4354994f DR |
1514 | sbi->sb->s_flags |= SB_ACTIVE; |
1515 | ||
4354994f DR |
1516 | f2fs_update_time(sbi, DISABLE_TIME); |
1517 | ||
1518 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { | |
8f31b466 | 1519 | mutex_lock(&sbi->gc_mutex); |
4354994f | 1520 | err = f2fs_gc(sbi, true, false, NULL_SEGNO); |
812a9597 JK |
1521 | if (err == -ENODATA) { |
1522 | err = 0; | |
4354994f | 1523 | break; |
812a9597 | 1524 | } |
8f31b466 | 1525 | if (err && err != -EAGAIN) |
812a9597 | 1526 | break; |
4354994f | 1527 | } |
4354994f | 1528 | |
812a9597 JK |
1529 | ret = sync_filesystem(sbi->sb); |
1530 | if (ret || err) { | |
1531 | err = ret ? ret: err; | |
1532 | goto restore_flag; | |
1533 | } | |
4354994f | 1534 | |
4d3aed70 DR |
1535 | unusable = f2fs_get_unusable_blocks(sbi); |
1536 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
1537 | err = -EAGAIN; |
1538 | goto restore_flag; | |
1539 | } | |
4354994f DR |
1540 | |
1541 | mutex_lock(&sbi->gc_mutex); | |
1542 | cpc.reason = CP_PAUSE; | |
1543 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
1544 | err = f2fs_write_checkpoint(sbi, &cpc); |
1545 | if (err) | |
1546 | goto out_unlock; | |
4354994f | 1547 | |
c9c8ed50 | 1548 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 1549 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
1550 | spin_unlock(&sbi->stat_lock); |
1551 | ||
896285ad | 1552 | out_unlock: |
4354994f | 1553 | mutex_unlock(&sbi->gc_mutex); |
812a9597 JK |
1554 | restore_flag: |
1555 | sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */ | |
1556 | return err; | |
4354994f DR |
1557 | } |
1558 | ||
1559 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
1560 | { | |
1561 | mutex_lock(&sbi->gc_mutex); | |
1562 | f2fs_dirty_to_prefree(sbi); | |
1563 | ||
1564 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
1565 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1566 | mutex_unlock(&sbi->gc_mutex); | |
1567 | ||
1568 | f2fs_sync_fs(sbi->sb, 1); | |
1569 | } | |
1570 | ||
696c018c NJ |
1571 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
1572 | { | |
1573 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1574 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 1575 | unsigned long old_sb_flags; |
63189b78 | 1576 | int err; |
876dc59e GZ |
1577 | bool need_restart_gc = false; |
1578 | bool need_stop_gc = false; | |
9cd81ce3 | 1579 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
4354994f | 1580 | bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 1581 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
4354994f | 1582 | bool checkpoint_changed; |
4b2414d0 | 1583 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1584 | int i, j; |
1585 | #endif | |
696c018c NJ |
1586 | |
1587 | /* | |
1588 | * Save the old mount options in case we | |
1589 | * need to restore them. | |
1590 | */ | |
1591 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 1592 | old_sb_flags = sb->s_flags; |
696c018c | 1593 | |
4b2414d0 | 1594 | #ifdef CONFIG_QUOTA |
63189b78 | 1595 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 1596 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
1597 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
1598 | org_mount_opt.s_qf_names[i] = | |
1599 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
1600 | GFP_KERNEL); | |
1601 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 1602 | for (j = 0; j < i; j++) |
5222595d | 1603 | kvfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
1604 | return -ENOMEM; |
1605 | } | |
1606 | } else { | |
63189b78 | 1607 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
1608 | } |
1609 | } | |
1610 | #endif | |
1611 | ||
df728b0f | 1612 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 1613 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 1614 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
1615 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
1616 | err); | |
df728b0f JK |
1617 | if (!err) |
1618 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
1619 | } | |
1620 | ||
498c5e9f | 1621 | default_options(sbi); |
26666c8a | 1622 | |
696c018c NJ |
1623 | /* parse mount options */ |
1624 | err = parse_options(sb, data); | |
1625 | if (err) | |
1626 | goto restore_opts; | |
4354994f DR |
1627 | checkpoint_changed = |
1628 | disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); | |
696c018c NJ |
1629 | |
1630 | /* | |
1631 | * Previous and new state of filesystem is RO, | |
876dc59e | 1632 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 1633 | */ |
1751e8a6 | 1634 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
1635 | goto skip; |
1636 | ||
ea676733 | 1637 | #ifdef CONFIG_QUOTA |
1751e8a6 | 1638 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
1639 | err = dquot_suspend(sb, -1); |
1640 | if (err < 0) | |
1641 | goto restore_opts; | |
4354994f | 1642 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 1643 | /* dquot_resume needs RW */ |
1751e8a6 | 1644 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
1645 | if (sb_any_quota_suspended(sb)) { |
1646 | dquot_resume(sb, -1); | |
7beb01f7 | 1647 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
1648 | err = f2fs_enable_quotas(sb); |
1649 | if (err) | |
1650 | goto restore_opts; | |
1651 | } | |
0abd675e | 1652 | } |
ea676733 | 1653 | #endif |
9cd81ce3 CY |
1654 | /* disallow enable/disable extent_cache dynamically */ |
1655 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
1656 | err = -EINVAL; | |
dcbb4c10 | 1657 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
1658 | goto restore_opts; |
1659 | } | |
1660 | ||
1f78adfa CY |
1661 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
1662 | err = -EINVAL; | |
1663 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
1664 | goto restore_opts; | |
1665 | } | |
1666 | ||
4354994f DR |
1667 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
1668 | err = -EINVAL; | |
dcbb4c10 | 1669 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
1670 | goto restore_opts; |
1671 | } | |
1672 | ||
696c018c NJ |
1673 | /* |
1674 | * We stop the GC thread if FS is mounted as RO | |
1675 | * or if background_gc = off is passed in mount | |
1676 | * option. Also sync the filesystem. | |
1677 | */ | |
1751e8a6 | 1678 | if ((*flags & SB_RDONLY) || !test_opt(sbi, BG_GC)) { |
696c018c | 1679 | if (sbi->gc_thread) { |
4d57b86d | 1680 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1681 | need_restart_gc = true; |
696c018c | 1682 | } |
aba291b3 | 1683 | } else if (!sbi->gc_thread) { |
4d57b86d | 1684 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
1685 | if (err) |
1686 | goto restore_opts; | |
876dc59e GZ |
1687 | need_stop_gc = true; |
1688 | } | |
1689 | ||
63189b78 CY |
1690 | if (*flags & SB_RDONLY || |
1691 | F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { | |
faa0e55b JK |
1692 | writeback_inodes_sb(sb, WB_REASON_SYNC); |
1693 | sync_inodes_sb(sb); | |
1694 | ||
1695 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
1696 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
1697 | f2fs_sync_fs(sb, 1); | |
1698 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
1699 | } | |
1700 | ||
4354994f DR |
1701 | if (checkpoint_changed) { |
1702 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { | |
1703 | err = f2fs_disable_checkpoint(sbi); | |
1704 | if (err) | |
1705 | goto restore_gc; | |
1706 | } else { | |
1707 | f2fs_enable_checkpoint(sbi); | |
1708 | } | |
1709 | } | |
1710 | ||
876dc59e GZ |
1711 | /* |
1712 | * We stop issue flush thread if FS is mounted as RO | |
1713 | * or if flush_merge is not passed in mount option. | |
1714 | */ | |
1751e8a6 | 1715 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 1716 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 1717 | f2fs_destroy_flush_cmd_control(sbi, false); |
5eba8c5d | 1718 | } else { |
4d57b86d | 1719 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 1720 | if (err) |
a688b9d9 | 1721 | goto restore_gc; |
696c018c NJ |
1722 | } |
1723 | skip: | |
4b2414d0 CY |
1724 | #ifdef CONFIG_QUOTA |
1725 | /* Release old quota file names */ | |
1726 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 1727 | kvfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 1728 | #endif |
696c018c | 1729 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
1730 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
1731 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 1732 | |
7e65be49 | 1733 | limit_reserve_root(sbi); |
095680f2 | 1734 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 1735 | return 0; |
876dc59e GZ |
1736 | restore_gc: |
1737 | if (need_restart_gc) { | |
4d57b86d | 1738 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 1739 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 1740 | } else if (need_stop_gc) { |
4d57b86d | 1741 | f2fs_stop_gc_thread(sbi); |
876dc59e | 1742 | } |
696c018c | 1743 | restore_opts: |
4b2414d0 | 1744 | #ifdef CONFIG_QUOTA |
63189b78 | 1745 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 1746 | for (i = 0; i < MAXQUOTAS; i++) { |
5222595d | 1747 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 1748 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
1749 | } |
1750 | #endif | |
696c018c | 1751 | sbi->mount_opt = org_mount_opt; |
0abd675e | 1752 | sb->s_flags = old_sb_flags; |
696c018c NJ |
1753 | return err; |
1754 | } | |
1755 | ||
0abd675e CY |
1756 | #ifdef CONFIG_QUOTA |
1757 | /* Read data from quotafile */ | |
1758 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
1759 | size_t len, loff_t off) | |
1760 | { | |
1761 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1762 | struct address_space *mapping = inode->i_mapping; | |
1763 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
1764 | int offset = off & (sb->s_blocksize - 1); | |
1765 | int tocopy; | |
1766 | size_t toread; | |
1767 | loff_t i_size = i_size_read(inode); | |
1768 | struct page *page; | |
1769 | char *kaddr; | |
1770 | ||
1771 | if (off > i_size) | |
1772 | return 0; | |
1773 | ||
1774 | if (off + len > i_size) | |
1775 | len = i_size - off; | |
1776 | toread = len; | |
1777 | while (toread > 0) { | |
1778 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
1779 | repeat: | |
02117b8a | 1780 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
1781 | if (IS_ERR(page)) { |
1782 | if (PTR_ERR(page) == -ENOMEM) { | |
1783 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
1784 | goto repeat; | |
1785 | } | |
af033b2a | 1786 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1787 | return PTR_ERR(page); |
4e46a023 | 1788 | } |
0abd675e CY |
1789 | |
1790 | lock_page(page); | |
1791 | ||
1792 | if (unlikely(page->mapping != mapping)) { | |
1793 | f2fs_put_page(page, 1); | |
1794 | goto repeat; | |
1795 | } | |
1796 | if (unlikely(!PageUptodate(page))) { | |
1797 | f2fs_put_page(page, 1); | |
af033b2a | 1798 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
1799 | return -EIO; |
1800 | } | |
1801 | ||
1802 | kaddr = kmap_atomic(page); | |
1803 | memcpy(data, kaddr + offset, tocopy); | |
1804 | kunmap_atomic(kaddr); | |
1805 | f2fs_put_page(page, 1); | |
1806 | ||
1807 | offset = 0; | |
1808 | toread -= tocopy; | |
1809 | data += tocopy; | |
1810 | blkidx++; | |
1811 | } | |
1812 | return len; | |
1813 | } | |
1814 | ||
1815 | /* Write to quotafile */ | |
1816 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
1817 | const char *data, size_t len, loff_t off) | |
1818 | { | |
1819 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
1820 | struct address_space *mapping = inode->i_mapping; | |
1821 | const struct address_space_operations *a_ops = mapping->a_ops; | |
1822 | int offset = off & (sb->s_blocksize - 1); | |
1823 | size_t towrite = len; | |
1824 | struct page *page; | |
1825 | char *kaddr; | |
1826 | int err = 0; | |
1827 | int tocopy; | |
1828 | ||
1829 | while (towrite > 0) { | |
1830 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
1831 | towrite); | |
4e46a023 | 1832 | retry: |
0abd675e CY |
1833 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
1834 | &page, NULL); | |
4e46a023 JK |
1835 | if (unlikely(err)) { |
1836 | if (err == -ENOMEM) { | |
1837 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
1838 | goto retry; | |
1839 | } | |
af033b2a | 1840 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 1841 | break; |
4e46a023 | 1842 | } |
0abd675e CY |
1843 | |
1844 | kaddr = kmap_atomic(page); | |
1845 | memcpy(kaddr + offset, data, tocopy); | |
1846 | kunmap_atomic(kaddr); | |
1847 | flush_dcache_page(page); | |
1848 | ||
1849 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
1850 | page, NULL); | |
1851 | offset = 0; | |
1852 | towrite -= tocopy; | |
1853 | off += tocopy; | |
1854 | data += tocopy; | |
1855 | cond_resched(); | |
1856 | } | |
1857 | ||
1858 | if (len == towrite) | |
6e5b5d41 | 1859 | return err; |
0abd675e CY |
1860 | inode->i_mtime = inode->i_ctime = current_time(inode); |
1861 | f2fs_mark_inode_dirty_sync(inode, false); | |
1862 | return len - towrite; | |
1863 | } | |
1864 | ||
1865 | static struct dquot **f2fs_get_dquots(struct inode *inode) | |
1866 | { | |
1867 | return F2FS_I(inode)->i_dquot; | |
1868 | } | |
1869 | ||
1870 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
1871 | { | |
1872 | return &F2FS_I(inode)->i_reserved_quota; | |
1873 | } | |
1874 | ||
4b2414d0 CY |
1875 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
1876 | { | |
af033b2a | 1877 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 1878 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
1879 | return 0; |
1880 | } | |
1881 | ||
63189b78 CY |
1882 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
1883 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
1884 | } |
1885 | ||
ea676733 | 1886 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 1887 | { |
ea676733 JK |
1888 | int enabled = 0; |
1889 | int i, err; | |
1890 | ||
7beb01f7 | 1891 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
1892 | err = f2fs_enable_quotas(sbi->sb); |
1893 | if (err) { | |
dcbb4c10 | 1894 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
1895 | return 0; |
1896 | } | |
1897 | return 1; | |
1898 | } | |
4b2414d0 CY |
1899 | |
1900 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 1901 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
1902 | err = f2fs_quota_on_mount(sbi, i); |
1903 | if (!err) { | |
1904 | enabled = 1; | |
1905 | continue; | |
1906 | } | |
dcbb4c10 JP |
1907 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
1908 | err, i); | |
4b2414d0 CY |
1909 | } |
1910 | } | |
ea676733 JK |
1911 | return enabled; |
1912 | } | |
1913 | ||
1914 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
1915 | unsigned int flags) | |
1916 | { | |
1917 | struct inode *qf_inode; | |
1918 | unsigned long qf_inum; | |
1919 | int err; | |
1920 | ||
7beb01f7 | 1921 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
1922 | |
1923 | qf_inum = f2fs_qf_ino(sb, type); | |
1924 | if (!qf_inum) | |
1925 | return -EPERM; | |
1926 | ||
1927 | qf_inode = f2fs_iget(sb, qf_inum); | |
1928 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 1929 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
1930 | return PTR_ERR(qf_inode); |
1931 | } | |
1932 | ||
1933 | /* Don't account quota for quota files to avoid recursion */ | |
1934 | qf_inode->i_flags |= S_NOQUOTA; | |
1935 | err = dquot_enable(qf_inode, type, format_id, flags); | |
1936 | iput(qf_inode); | |
1937 | return err; | |
1938 | } | |
1939 | ||
1940 | static int f2fs_enable_quotas(struct super_block *sb) | |
1941 | { | |
dcbb4c10 | 1942 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
1943 | int type, err = 0; |
1944 | unsigned long qf_inum; | |
1945 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
1946 | test_opt(sbi, USRQUOTA), |
1947 | test_opt(sbi, GRPQUOTA), | |
1948 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
1949 | }; |
1950 | ||
af033b2a | 1951 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 1952 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
1953 | return 0; |
1954 | } | |
1955 | ||
1956 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
1957 | ||
ea676733 JK |
1958 | for (type = 0; type < MAXQUOTAS; type++) { |
1959 | qf_inum = f2fs_qf_ino(sb, type); | |
1960 | if (qf_inum) { | |
1961 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
1962 | DQUOT_USAGE_ENABLED | | |
1963 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
1964 | if (err) { | |
dcbb4c10 JP |
1965 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
1966 | type, err); | |
ea676733 JK |
1967 | for (type--; type >= 0; type--) |
1968 | dquot_quota_off(sb, type); | |
af033b2a CY |
1969 | set_sbi_flag(F2FS_SB(sb), |
1970 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
1971 | return err; |
1972 | } | |
4b2414d0 CY |
1973 | } |
1974 | } | |
ea676733 | 1975 | return 0; |
4b2414d0 CY |
1976 | } |
1977 | ||
af033b2a | 1978 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 1979 | { |
af033b2a | 1980 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
1981 | struct quota_info *dqopt = sb_dqopt(sb); |
1982 | int cnt; | |
1983 | int ret; | |
1984 | ||
db6ec53b JK |
1985 | /* |
1986 | * do_quotactl | |
1987 | * f2fs_quota_sync | |
1988 | * down_read(quota_sem) | |
1989 | * dquot_writeback_dquots() | |
1990 | * f2fs_dquot_commit | |
1991 | * block_operation | |
1992 | * down_read(quota_sem) | |
1993 | */ | |
1994 | f2fs_lock_op(sbi); | |
1995 | ||
1996 | down_read(&sbi->quota_sem); | |
0abd675e CY |
1997 | ret = dquot_writeback_dquots(sb, type); |
1998 | if (ret) | |
af033b2a | 1999 | goto out; |
0abd675e CY |
2000 | |
2001 | /* | |
2002 | * Now when everything is written we can discard the pagecache so | |
2003 | * that userspace sees the changes. | |
2004 | */ | |
2005 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a CY |
2006 | struct address_space *mapping; |
2007 | ||
0abd675e CY |
2008 | if (type != -1 && cnt != type) |
2009 | continue; | |
2010 | if (!sb_has_quota_active(sb, cnt)) | |
2011 | continue; | |
2012 | ||
af033b2a CY |
2013 | mapping = dqopt->files[cnt]->i_mapping; |
2014 | ||
2015 | ret = filemap_fdatawrite(mapping); | |
0abd675e | 2016 | if (ret) |
af033b2a CY |
2017 | goto out; |
2018 | ||
2019 | /* if we are using journalled quota */ | |
2020 | if (is_journalled_quota(sbi)) | |
2021 | continue; | |
2022 | ||
2023 | ret = filemap_fdatawait(mapping); | |
2024 | if (ret) | |
2025 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
0abd675e CY |
2026 | |
2027 | inode_lock(dqopt->files[cnt]); | |
2028 | truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); | |
2029 | inode_unlock(dqopt->files[cnt]); | |
2030 | } | |
af033b2a CY |
2031 | out: |
2032 | if (ret) | |
2033 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); | |
db6ec53b JK |
2034 | up_read(&sbi->quota_sem); |
2035 | f2fs_unlock_op(sbi); | |
af033b2a | 2036 | return ret; |
0abd675e CY |
2037 | } |
2038 | ||
2039 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2040 | const struct path *path) | |
2041 | { | |
2042 | struct inode *inode; | |
2043 | int err; | |
2044 | ||
fe973b06 CY |
2045 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2046 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2047 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2048 | return -EBUSY; | |
2049 | } | |
2050 | ||
9a20d391 | 2051 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2052 | if (err) |
2053 | return err; | |
2054 | ||
2055 | err = dquot_quota_on(sb, type, format_id, path); | |
2056 | if (err) | |
2057 | return err; | |
2058 | ||
2059 | inode = d_inode(path->dentry); | |
2060 | ||
2061 | inode_lock(inode); | |
59c84408 | 2062 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2063 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2064 | inode_unlock(inode); |
2065 | f2fs_mark_inode_dirty_sync(inode, false); | |
2066 | ||
2067 | return 0; | |
2068 | } | |
2069 | ||
fe973b06 | 2070 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2071 | { |
2072 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2073 | int err; | |
2074 | ||
2075 | if (!inode || !igrab(inode)) | |
2076 | return dquot_quota_off(sb, type); | |
2077 | ||
cda9cc59 YH |
2078 | err = f2fs_quota_sync(sb, type); |
2079 | if (err) | |
2080 | goto out_put; | |
0abd675e CY |
2081 | |
2082 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2083 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2084 | goto out_put; |
2085 | ||
2086 | inode_lock(inode); | |
59c84408 | 2087 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2088 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2089 | inode_unlock(inode); |
2090 | f2fs_mark_inode_dirty_sync(inode, false); | |
2091 | out_put: | |
2092 | iput(inode); | |
2093 | return err; | |
2094 | } | |
2095 | ||
fe973b06 CY |
2096 | static int f2fs_quota_off(struct super_block *sb, int type) |
2097 | { | |
2098 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2099 | int err; | |
2100 | ||
2101 | err = __f2fs_quota_off(sb, type); | |
2102 | ||
2103 | /* | |
2104 | * quotactl can shutdown journalled quota, result in inconsistence | |
2105 | * between quota record and fs data by following updates, tag the | |
2106 | * flag to let fsck be aware of it. | |
2107 | */ | |
2108 | if (is_journalled_quota(sbi)) | |
2109 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2110 | return err; | |
2111 | } | |
2112 | ||
4b2414d0 | 2113 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2114 | { |
2115 | int type; | |
cda9cc59 YH |
2116 | int err; |
2117 | ||
2118 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2119 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2120 | if (err) { |
2121 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2122 | |
dcbb4c10 JP |
2123 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2124 | type, err, ret); | |
af033b2a | 2125 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2126 | } |
2127 | } | |
0e0667b6 JK |
2128 | /* |
2129 | * In case of checkpoint=disable, we must flush quota blocks. | |
2130 | * This can cause NULL exception for node_inode in end_io, since | |
2131 | * put_super already dropped it. | |
2132 | */ | |
2133 | sync_filesystem(sb); | |
0abd675e CY |
2134 | } |
2135 | ||
26b5a079 SY |
2136 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2137 | { | |
2138 | struct quota_info *dqopt = sb_dqopt(sb); | |
2139 | int type; | |
2140 | ||
2141 | for (type = 0; type < MAXQUOTAS; type++) { | |
2142 | if (!dqopt->files[type]) | |
2143 | continue; | |
2144 | f2fs_inode_synced(dqopt->files[type]); | |
2145 | } | |
2146 | } | |
2147 | ||
af033b2a CY |
2148 | static int f2fs_dquot_commit(struct dquot *dquot) |
2149 | { | |
db6ec53b | 2150 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2151 | int ret; |
2152 | ||
db6ec53b | 2153 | down_read(&sbi->quota_sem); |
af033b2a CY |
2154 | ret = dquot_commit(dquot); |
2155 | if (ret < 0) | |
db6ec53b JK |
2156 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2157 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2158 | return ret; |
2159 | } | |
2160 | ||
2161 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2162 | { | |
db6ec53b | 2163 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2164 | int ret; |
2165 | ||
db6ec53b | 2166 | down_read(&sbi->quota_sem); |
af033b2a CY |
2167 | ret = dquot_acquire(dquot); |
2168 | if (ret < 0) | |
db6ec53b JK |
2169 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2170 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2171 | return ret; |
2172 | } | |
2173 | ||
2174 | static int f2fs_dquot_release(struct dquot *dquot) | |
2175 | { | |
db6ec53b | 2176 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2177 | int ret; |
2178 | ||
db6ec53b | 2179 | down_read(&sbi->quota_sem); |
af033b2a CY |
2180 | ret = dquot_release(dquot); |
2181 | if (ret < 0) | |
db6ec53b JK |
2182 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2183 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2184 | return ret; |
2185 | } | |
2186 | ||
2187 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2188 | { | |
2189 | struct super_block *sb = dquot->dq_sb; | |
2190 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2191 | int ret; | |
2192 | ||
db6ec53b | 2193 | down_read(&sbi->quota_sem); |
af033b2a CY |
2194 | ret = dquot_mark_dquot_dirty(dquot); |
2195 | ||
2196 | /* if we are using journalled quota */ | |
2197 | if (is_journalled_quota(sbi)) | |
2198 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2199 | ||
db6ec53b | 2200 | up_read(&sbi->quota_sem); |
af033b2a CY |
2201 | return ret; |
2202 | } | |
2203 | ||
2204 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2205 | { | |
db6ec53b | 2206 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
af033b2a CY |
2207 | int ret; |
2208 | ||
db6ec53b | 2209 | down_read(&sbi->quota_sem); |
af033b2a CY |
2210 | ret = dquot_commit_info(sb, type); |
2211 | if (ret < 0) | |
db6ec53b JK |
2212 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
2213 | up_read(&sbi->quota_sem); | |
af033b2a CY |
2214 | return ret; |
2215 | } | |
26b5a079 | 2216 | |
94b1e10e | 2217 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2218 | { |
2219 | *projid = F2FS_I(inode)->i_projid; | |
2220 | return 0; | |
2221 | } | |
2222 | ||
0abd675e CY |
2223 | static const struct dquot_operations f2fs_quota_operations = { |
2224 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2225 | .write_dquot = f2fs_dquot_commit, |
2226 | .acquire_dquot = f2fs_dquot_acquire, | |
2227 | .release_dquot = f2fs_dquot_release, | |
2228 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2229 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2230 | .alloc_dquot = dquot_alloc, |
2231 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2232 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2233 | .get_next_id = dquot_get_next_id, |
2234 | }; | |
2235 | ||
2236 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2237 | .quota_on = f2fs_quota_on, | |
2238 | .quota_off = f2fs_quota_off, | |
2239 | .quota_sync = f2fs_quota_sync, | |
2240 | .get_state = dquot_get_state, | |
2241 | .set_info = dquot_set_dqinfo, | |
2242 | .get_dqblk = dquot_get_dqblk, | |
2243 | .set_dqblk = dquot_set_dqblk, | |
2244 | .get_nextdqblk = dquot_get_next_dqblk, | |
2245 | }; | |
2246 | #else | |
af033b2a CY |
2247 | int f2fs_quota_sync(struct super_block *sb, int type) |
2248 | { | |
2249 | return 0; | |
2250 | } | |
2251 | ||
4b2414d0 | 2252 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2253 | { |
2254 | } | |
2255 | #endif | |
2256 | ||
f62fc9f9 | 2257 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2258 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2259 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2260 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2261 | .write_inode = f2fs_write_inode, |
b3783873 | 2262 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2263 | .show_options = f2fs_show_options, |
0abd675e CY |
2264 | #ifdef CONFIG_QUOTA |
2265 | .quota_read = f2fs_quota_read, | |
2266 | .quota_write = f2fs_quota_write, | |
2267 | .get_dquots = f2fs_get_dquots, | |
2268 | #endif | |
aff063e2 JK |
2269 | .evict_inode = f2fs_evict_inode, |
2270 | .put_super = f2fs_put_super, | |
2271 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2272 | .freeze_fs = f2fs_freeze, |
2273 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2274 | .statfs = f2fs_statfs, |
696c018c | 2275 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2276 | }; |
2277 | ||
643fa961 | 2278 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2279 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2280 | { | |
2281 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2282 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2283 | ctx, len, NULL); | |
2284 | } | |
2285 | ||
2286 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2287 | void *fs_data) | |
2288 | { | |
b7c409de SY |
2289 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2290 | ||
2291 | /* | |
2292 | * Encrypting the root directory is not allowed because fsck | |
2293 | * expects lost+found directory to exist and remain unencrypted | |
2294 | * if LOST_FOUND feature is enabled. | |
2295 | * | |
2296 | */ | |
7beb01f7 | 2297 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2298 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2299 | return -EPERM; | |
2300 | ||
0b81d077 JK |
2301 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2302 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2303 | ctx, len, fs_data, XATTR_CREATE); | |
2304 | } | |
2305 | ||
ff62af20 SY |
2306 | static bool f2fs_dummy_context(struct inode *inode) |
2307 | { | |
2308 | return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode)); | |
2309 | } | |
2310 | ||
6f69f0ed | 2311 | static const struct fscrypt_operations f2fs_cryptops = { |
a5d431ef | 2312 | .key_prefix = "f2fs:", |
0b81d077 JK |
2313 | .get_context = f2fs_get_context, |
2314 | .set_context = f2fs_set_context, | |
ff62af20 | 2315 | .dummy_context = f2fs_dummy_context, |
0b81d077 | 2316 | .empty_dir = f2fs_empty_dir, |
e12ee683 | 2317 | .max_namelen = F2FS_NAME_LEN, |
0b81d077 | 2318 | }; |
0b81d077 JK |
2319 | #endif |
2320 | ||
aff063e2 JK |
2321 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
2322 | u64 ino, u32 generation) | |
2323 | { | |
2324 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2325 | struct inode *inode; | |
2326 | ||
4d57b86d | 2327 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 2328 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
2329 | |
2330 | /* | |
2331 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
2332 | * However f2fs_iget currently does appropriate checks to handle stale | |
2333 | * inodes so everything is OK. | |
2334 | */ | |
2335 | inode = f2fs_iget(sb, ino); | |
2336 | if (IS_ERR(inode)) | |
2337 | return ERR_CAST(inode); | |
6bacf52f | 2338 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
2339 | /* we didn't find the right inode.. */ |
2340 | iput(inode); | |
2341 | return ERR_PTR(-ESTALE); | |
2342 | } | |
2343 | return inode; | |
2344 | } | |
2345 | ||
2346 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
2347 | int fh_len, int fh_type) | |
2348 | { | |
2349 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
2350 | f2fs_nfs_get_inode); | |
2351 | } | |
2352 | ||
2353 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
2354 | int fh_len, int fh_type) | |
2355 | { | |
2356 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
2357 | f2fs_nfs_get_inode); | |
2358 | } | |
2359 | ||
2360 | static const struct export_operations f2fs_export_ops = { | |
2361 | .fh_to_dentry = f2fs_fh_to_dentry, | |
2362 | .fh_to_parent = f2fs_fh_to_parent, | |
2363 | .get_parent = f2fs_get_parent, | |
2364 | }; | |
2365 | ||
e0afc4d6 | 2366 | static loff_t max_file_blocks(void) |
aff063e2 | 2367 | { |
7a2af766 | 2368 | loff_t result = 0; |
d02a6e61 | 2369 | loff_t leaf_count = DEF_ADDRS_PER_BLOCK; |
aff063e2 | 2370 | |
7a2af766 CY |
2371 | /* |
2372 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 2373 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
2374 | * space in inode.i_addr, it will be more safe to reassign |
2375 | * result as zero. | |
2376 | */ | |
2377 | ||
aff063e2 JK |
2378 | /* two direct node blocks */ |
2379 | result += (leaf_count * 2); | |
2380 | ||
2381 | /* two indirect node blocks */ | |
2382 | leaf_count *= NIDS_PER_BLOCK; | |
2383 | result += (leaf_count * 2); | |
2384 | ||
2385 | /* one double indirect node block */ | |
2386 | leaf_count *= NIDS_PER_BLOCK; | |
2387 | result += leaf_count; | |
2388 | ||
aff063e2 JK |
2389 | return result; |
2390 | } | |
2391 | ||
fd694733 JK |
2392 | static int __f2fs_commit_super(struct buffer_head *bh, |
2393 | struct f2fs_super_block *super) | |
2394 | { | |
2395 | lock_buffer(bh); | |
2396 | if (super) | |
2397 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
2398 | set_buffer_dirty(bh); |
2399 | unlock_buffer(bh); | |
2400 | ||
2401 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 2402 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
2403 | } |
2404 | ||
df728b0f | 2405 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 2406 | struct buffer_head *bh) |
9a59b62f | 2407 | { |
fd694733 JK |
2408 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2409 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 2410 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
2411 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
2412 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
2413 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
2414 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
2415 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
2416 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
2417 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
2418 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
2419 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
2420 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
2421 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2422 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
2423 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
2424 | u64 main_end_blkaddr = main_blkaddr + |
2425 | (segment_count_main << log_blocks_per_seg); | |
2426 | u64 seg_end_blkaddr = segment0_blkaddr + | |
2427 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
2428 | |
2429 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
2430 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
2431 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
2432 | return true; |
2433 | } | |
2434 | ||
2435 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
2436 | sit_blkaddr) { | |
dcbb4c10 JP |
2437 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
2438 | cp_blkaddr, sit_blkaddr, | |
2439 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
2440 | return true; |
2441 | } | |
2442 | ||
2443 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
2444 | nat_blkaddr) { | |
dcbb4c10 JP |
2445 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
2446 | sit_blkaddr, nat_blkaddr, | |
2447 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
2448 | return true; |
2449 | } | |
2450 | ||
2451 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
2452 | ssa_blkaddr) { | |
dcbb4c10 JP |
2453 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
2454 | nat_blkaddr, ssa_blkaddr, | |
2455 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
2456 | return true; |
2457 | } | |
2458 | ||
2459 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
2460 | main_blkaddr) { | |
dcbb4c10 JP |
2461 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
2462 | ssa_blkaddr, main_blkaddr, | |
2463 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
2464 | return true; |
2465 | } | |
2466 | ||
fd694733 | 2467 | if (main_end_blkaddr > seg_end_blkaddr) { |
dcbb4c10 JP |
2468 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", |
2469 | main_blkaddr, | |
2470 | segment0_blkaddr + | |
2471 | (segment_count << log_blocks_per_seg), | |
2472 | segment_count_main << log_blocks_per_seg); | |
9a59b62f | 2473 | return true; |
fd694733 JK |
2474 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
2475 | int err = 0; | |
2476 | char *res; | |
2477 | ||
2478 | /* fix in-memory information all the time */ | |
2479 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
2480 | segment0_blkaddr) >> log_blocks_per_seg); | |
2481 | ||
2482 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 2483 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
2484 | res = "internally"; |
2485 | } else { | |
2486 | err = __f2fs_commit_super(bh, NULL); | |
2487 | res = err ? "failed" : "done"; | |
2488 | } | |
dcbb4c10 JP |
2489 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)", |
2490 | res, main_blkaddr, | |
2491 | segment0_blkaddr + | |
2492 | (segment_count << log_blocks_per_seg), | |
2493 | segment_count_main << log_blocks_per_seg); | |
fd694733 JK |
2494 | if (err) |
2495 | return true; | |
9a59b62f | 2496 | } |
9a59b62f CY |
2497 | return false; |
2498 | } | |
2499 | ||
df728b0f | 2500 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 2501 | struct buffer_head *bh) |
aff063e2 | 2502 | { |
0cfe75c5 JK |
2503 | block_t segment_count, segs_per_sec, secs_per_zone; |
2504 | block_t total_sections, blocks_per_seg; | |
fd694733 JK |
2505 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
2506 | (bh->b_data + F2FS_SUPER_OFFSET); | |
aff063e2 | 2507 | unsigned int blocksize; |
d440c52d JZ |
2508 | size_t crc_offset = 0; |
2509 | __u32 crc = 0; | |
2510 | ||
38fb6d0e IZ |
2511 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
2512 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
2513 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
2514 | return -EINVAL; | |
2515 | } | |
2516 | ||
d440c52d | 2517 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 2518 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
2519 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
2520 | if (crc_offset != | |
2521 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
2522 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
2523 | crc_offset); | |
38fb6d0e | 2524 | return -EFSCORRUPTED; |
d440c52d JZ |
2525 | } |
2526 | crc = le32_to_cpu(raw_super->crc); | |
2527 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 2528 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 2529 | return -EFSCORRUPTED; |
d440c52d JZ |
2530 | } |
2531 | } | |
aff063e2 | 2532 | |
5c9b4692 | 2533 | /* Currently, support only 4KB page cache size */ |
09cbfeaf | 2534 | if (F2FS_BLKSIZE != PAGE_SIZE) { |
dcbb4c10 JP |
2535 | f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", |
2536 | PAGE_SIZE); | |
38fb6d0e | 2537 | return -EFSCORRUPTED; |
5c9b4692 | 2538 | } |
2539 | ||
aff063e2 JK |
2540 | /* Currently, support only 4KB block size */ |
2541 | blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); | |
5c9b4692 | 2542 | if (blocksize != F2FS_BLKSIZE) { |
dcbb4c10 JP |
2543 | f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", |
2544 | blocksize); | |
38fb6d0e | 2545 | return -EFSCORRUPTED; |
a07ef784 | 2546 | } |
5c9b4692 | 2547 | |
9a59b62f CY |
2548 | /* check log blocks per segment */ |
2549 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
2550 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
2551 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 2552 | return -EFSCORRUPTED; |
9a59b62f CY |
2553 | } |
2554 | ||
55cf9cb6 CY |
2555 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
2556 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
2557 | F2FS_MAX_LOG_SECTOR_SIZE || | |
2558 | le32_to_cpu(raw_super->log_sectorsize) < | |
2559 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2560 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
2561 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2562 | return -EFSCORRUPTED; |
a07ef784 | 2563 | } |
55cf9cb6 CY |
2564 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
2565 | le32_to_cpu(raw_super->log_sectorsize) != | |
2566 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
2567 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
2568 | le32_to_cpu(raw_super->log_sectors_per_block), | |
2569 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 2570 | return -EFSCORRUPTED; |
a07ef784 | 2571 | } |
9a59b62f | 2572 | |
0cfe75c5 JK |
2573 | segment_count = le32_to_cpu(raw_super->segment_count); |
2574 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2575 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2576 | total_sections = le32_to_cpu(raw_super->section_count); | |
2577 | ||
2578 | /* blocks_per_seg should be 512, given the above check */ | |
2579 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
2580 | ||
2581 | if (segment_count > F2FS_MAX_SEGMENT || | |
2582 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 2583 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 2584 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2585 | } |
2586 | ||
2587 | if (total_sections > segment_count || | |
2588 | total_sections < F2FS_MIN_SEGMENTS || | |
2589 | segs_per_sec > segment_count || !segs_per_sec) { | |
dcbb4c10 JP |
2590 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
2591 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 2592 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2593 | } |
2594 | ||
2595 | if ((segment_count / segs_per_sec) < total_sections) { | |
dcbb4c10 JP |
2596 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
2597 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 2598 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2599 | } |
2600 | ||
88960068 | 2601 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
2602 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
2603 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 2604 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2605 | } |
2606 | ||
42bf546c | 2607 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
2608 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
2609 | secs_per_zone, total_sections); | |
38fb6d0e | 2610 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2611 | } |
2612 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
2613 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
2614 | (le32_to_cpu(raw_super->extension_count) + | |
2615 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
2616 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
2617 | le32_to_cpu(raw_super->extension_count), | |
2618 | raw_super->hot_ext_count, | |
2619 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 2620 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2621 | } |
2622 | ||
2623 | if (le32_to_cpu(raw_super->cp_payload) > | |
2624 | (blocks_per_seg - F2FS_CP_PACKS)) { | |
dcbb4c10 JP |
2625 | f2fs_info(sbi, "Insane cp_payload (%u > %u)", |
2626 | le32_to_cpu(raw_super->cp_payload), | |
2627 | blocks_per_seg - F2FS_CP_PACKS); | |
38fb6d0e | 2628 | return -EFSCORRUPTED; |
0cfe75c5 JK |
2629 | } |
2630 | ||
9a59b62f CY |
2631 | /* check reserved ino info */ |
2632 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
2633 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
2634 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
2635 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
2636 | le32_to_cpu(raw_super->node_ino), | |
2637 | le32_to_cpu(raw_super->meta_ino), | |
2638 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 2639 | return -EFSCORRUPTED; |
9a59b62f CY |
2640 | } |
2641 | ||
2642 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 2643 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 2644 | return -EFSCORRUPTED; |
9a59b62f | 2645 | |
aff063e2 JK |
2646 | return 0; |
2647 | } | |
2648 | ||
4d57b86d | 2649 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
2650 | { |
2651 | unsigned int total, fsmeta; | |
577e3495 JK |
2652 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
2653 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 2654 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 2655 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
2656 | unsigned int sit_segs, nat_segs; |
2657 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
2658 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 2659 | unsigned int segment_count_main; |
e494c2f9 | 2660 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
2661 | block_t user_block_count, valid_user_blocks; |
2662 | block_t avail_node_count, valid_node_count; | |
042be0f8 | 2663 | int i, j; |
aff063e2 JK |
2664 | |
2665 | total = le32_to_cpu(raw_super->segment_count); | |
2666 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
2667 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
2668 | fsmeta += sit_segs; | |
2669 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
2670 | fsmeta += nat_segs; | |
aff063e2 JK |
2671 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
2672 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
2673 | ||
6bacf52f | 2674 | if (unlikely(fsmeta >= total)) |
aff063e2 | 2675 | return 1; |
577e3495 | 2676 | |
2040fce8 JK |
2677 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
2678 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
2679 | ||
2680 | if (unlikely(fsmeta < F2FS_MIN_SEGMENTS || | |
2681 | ovp_segments == 0 || reserved_segments == 0)) { | |
dcbb4c10 | 2682 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
2683 | return 1; |
2684 | } | |
2685 | ||
9dc956b2 CY |
2686 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
2687 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
2688 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2689 | if (!user_block_count || user_block_count >= | |
2690 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
2691 | f2fs_err(sbi, "Wrong user_block_count: %u", |
2692 | user_block_count); | |
9dc956b2 CY |
2693 | return 1; |
2694 | } | |
2695 | ||
7b63f72f CY |
2696 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
2697 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
2698 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
2699 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
2700 | return 1; |
2701 | } | |
2702 | ||
2703 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 2704 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 2705 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
2706 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
2707 | valid_node_count, avail_node_count); | |
7b63f72f CY |
2708 | return 1; |
2709 | } | |
2710 | ||
15d3042a JQ |
2711 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
2712 | blocks_per_seg = sbi->blocks_per_seg; | |
2713 | ||
2714 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
2715 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
2716 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
2717 | return 1; | |
042be0f8 CY |
2718 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
2719 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
2720 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
2721 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
2722 | i, j, | |
2723 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2724 | return 1; |
2725 | } | |
2726 | } | |
15d3042a JQ |
2727 | } |
2728 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { | |
2729 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
2730 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
2731 | return 1; | |
042be0f8 CY |
2732 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
2733 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
2734 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
2735 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
2736 | i, j, | |
2737 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
2738 | return 1; |
2739 | } | |
2740 | } | |
2741 | } | |
2742 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 2743 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
2744 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
2745 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 2746 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
2747 | i, j, |
2748 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
2749 | return 1; |
2750 | } | |
2751 | } | |
15d3042a JQ |
2752 | } |
2753 | ||
c77ec61c CY |
2754 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
2755 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
2756 | |
2757 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
2758 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
2759 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
2760 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
2761 | return 1; |
2762 | } | |
e494c2f9 CY |
2763 | |
2764 | cp_pack_start_sum = __start_sum_addr(sbi); | |
2765 | cp_payload = __cp_payload(sbi); | |
2766 | if (cp_pack_start_sum < cp_payload + 1 || | |
2767 | cp_pack_start_sum > blocks_per_seg - 1 - | |
2768 | NR_CURSEG_TYPE) { | |
dcbb4c10 JP |
2769 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
2770 | cp_pack_start_sum); | |
e494c2f9 CY |
2771 | return 1; |
2772 | } | |
c77ec61c | 2773 | |
5dae2d39 CY |
2774 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
2775 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
2776 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
2777 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
2778 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 2779 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
2780 | return 1; |
2781 | } | |
2782 | ||
1e968fdf | 2783 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 2784 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
2785 | return 1; |
2786 | } | |
aff063e2 JK |
2787 | return 0; |
2788 | } | |
2789 | ||
2790 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
2791 | { | |
2792 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 2793 | int i; |
aff063e2 JK |
2794 | |
2795 | sbi->log_sectors_per_block = | |
2796 | le32_to_cpu(raw_super->log_sectors_per_block); | |
2797 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
2798 | sbi->blocksize = 1 << sbi->log_blocksize; | |
2799 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
2800 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
2801 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
2802 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
2803 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
2804 | sbi->total_node_count = | |
2805 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
2806 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
2807 | sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); | |
2808 | sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); | |
2809 | sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 2810 | sbi->cur_victim_sec = NULL_SECNO; |
e3080b01 CY |
2811 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
2812 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 2813 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 2814 | sbi->migration_granularity = sbi->segs_per_sec; |
aff063e2 | 2815 | |
ab9fa662 | 2816 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 2817 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 2818 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
2819 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
2820 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 2821 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
2822 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
2823 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 2824 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 2825 | |
35782b23 JK |
2826 | for (i = 0; i < NR_COUNT_TYPE; i++) |
2827 | atomic_set(&sbi->nr_pages[i], 0); | |
2828 | ||
c29fd0c0 CY |
2829 | for (i = 0; i < META; i++) |
2830 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 2831 | |
2658e50d JK |
2832 | INIT_LIST_HEAD(&sbi->s_list); |
2833 | mutex_init(&sbi->umount_mutex); | |
107a805d | 2834 | init_rwsem(&sbi->io_order_lock); |
aaec2b1d | 2835 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
2836 | |
2837 | sbi->dirty_device = 0; | |
2838 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 2839 | |
846ae671 | 2840 | init_rwsem(&sbi->sb_lock); |
aff063e2 JK |
2841 | } |
2842 | ||
523be8a6 JK |
2843 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
2844 | { | |
35782b23 | 2845 | int err; |
41382ec4 | 2846 | |
513c5f37 JK |
2847 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
2848 | if (err) | |
2849 | return err; | |
2850 | ||
4a70e255 | 2851 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 2852 | GFP_KERNEL); |
4a70e255 CY |
2853 | if (err) |
2854 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
2855 | ||
2856 | return err; | |
523be8a6 JK |
2857 | } |
2858 | ||
178053e2 | 2859 | #ifdef CONFIG_BLK_DEV_ZONED |
3c62be17 | 2860 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 2861 | { |
3c62be17 | 2862 | struct block_device *bdev = FDEV(devi).bdev; |
178053e2 DLM |
2863 | sector_t nr_sectors = bdev->bd_part->nr_sects; |
2864 | sector_t sector = 0; | |
2865 | struct blk_zone *zones; | |
2866 | unsigned int i, nr_zones; | |
2867 | unsigned int n = 0; | |
2868 | int err = -EIO; | |
2869 | ||
7beb01f7 | 2870 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
2871 | return 0; |
2872 | ||
3c62be17 | 2873 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
f99e8648 | 2874 | SECTOR_TO_BLOCK(bdev_zone_sectors(bdev))) |
3c62be17 | 2875 | return -EINVAL; |
f99e8648 | 2876 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_sectors(bdev)); |
3c62be17 JK |
2877 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
2878 | __ilog2_u32(sbi->blocks_per_blkz)) | |
2879 | return -EINVAL; | |
178053e2 | 2880 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
2881 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
2882 | sbi->log_blocks_per_blkz; | |
f99e8648 | 2883 | if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) |
3c62be17 | 2884 | FDEV(devi).nr_blkz++; |
178053e2 | 2885 | |
95175daf DLM |
2886 | FDEV(devi).blkz_seq = f2fs_kzalloc(sbi, |
2887 | BITS_TO_LONGS(FDEV(devi).nr_blkz) | |
2888 | * sizeof(unsigned long), | |
2889 | GFP_KERNEL); | |
2890 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
2891 | return -ENOMEM; |
2892 | ||
2893 | #define F2FS_REPORT_NR_ZONES 4096 | |
2894 | ||
026f0507 KC |
2895 | zones = f2fs_kzalloc(sbi, |
2896 | array_size(F2FS_REPORT_NR_ZONES, | |
2897 | sizeof(struct blk_zone)), | |
2898 | GFP_KERNEL); | |
178053e2 DLM |
2899 | if (!zones) |
2900 | return -ENOMEM; | |
2901 | ||
2902 | /* Get block zones type */ | |
2903 | while (zones && sector < nr_sectors) { | |
2904 | ||
2905 | nr_zones = F2FS_REPORT_NR_ZONES; | |
bd976e52 | 2906 | err = blkdev_report_zones(bdev, sector, zones, &nr_zones); |
178053e2 DLM |
2907 | if (err) |
2908 | break; | |
2909 | if (!nr_zones) { | |
2910 | err = -EIO; | |
2911 | break; | |
2912 | } | |
2913 | ||
2914 | for (i = 0; i < nr_zones; i++) { | |
95175daf DLM |
2915 | if (zones[i].type != BLK_ZONE_TYPE_CONVENTIONAL) |
2916 | set_bit(n, FDEV(devi).blkz_seq); | |
178053e2 DLM |
2917 | sector += zones[i].len; |
2918 | n++; | |
2919 | } | |
2920 | } | |
2921 | ||
5222595d | 2922 | kvfree(zones); |
178053e2 DLM |
2923 | |
2924 | return err; | |
2925 | } | |
2926 | #endif | |
2927 | ||
9076a75f GZ |
2928 | /* |
2929 | * Read f2fs raw super block. | |
2b39e907 SL |
2930 | * Because we have two copies of super block, so read both of them |
2931 | * to get the first valid one. If any one of them is broken, we pass | |
2932 | * them recovery flag back to the caller. | |
9076a75f | 2933 | */ |
df728b0f | 2934 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 2935 | struct f2fs_super_block **raw_super, |
e8240f65 | 2936 | int *valid_super_block, int *recovery) |
14d7e9de | 2937 | { |
df728b0f | 2938 | struct super_block *sb = sbi->sb; |
2b39e907 | 2939 | int block; |
e8240f65 | 2940 | struct buffer_head *bh; |
fd694733 | 2941 | struct f2fs_super_block *super; |
da554e48 | 2942 | int err = 0; |
14d7e9de | 2943 | |
b39f0de2 YH |
2944 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
2945 | if (!super) | |
2946 | return -ENOMEM; | |
2b39e907 SL |
2947 | |
2948 | for (block = 0; block < 2; block++) { | |
2949 | bh = sb_bread(sb, block); | |
2950 | if (!bh) { | |
dcbb4c10 JP |
2951 | f2fs_err(sbi, "Unable to read %dth superblock", |
2952 | block + 1); | |
2b39e907 SL |
2953 | err = -EIO; |
2954 | continue; | |
2955 | } | |
14d7e9de | 2956 | |
2b39e907 | 2957 | /* sanity checking of raw super */ |
38fb6d0e IZ |
2958 | err = sanity_check_raw_super(sbi, bh); |
2959 | if (err) { | |
dcbb4c10 JP |
2960 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
2961 | block + 1); | |
2b39e907 SL |
2962 | brelse(bh); |
2963 | continue; | |
2964 | } | |
14d7e9de | 2965 | |
2b39e907 | 2966 | if (!*raw_super) { |
fd694733 JK |
2967 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
2968 | sizeof(*super)); | |
2b39e907 SL |
2969 | *valid_super_block = block; |
2970 | *raw_super = super; | |
2971 | } | |
2972 | brelse(bh); | |
da554e48 | 2973 | } |
2974 | ||
2b39e907 SL |
2975 | /* Fail to read any one of the superblocks*/ |
2976 | if (err < 0) | |
2977 | *recovery = 1; | |
da554e48 | 2978 | |
da554e48 | 2979 | /* No valid superblock */ |
2b39e907 | 2980 | if (!*raw_super) |
5222595d | 2981 | kvfree(super); |
2b39e907 SL |
2982 | else |
2983 | err = 0; | |
da554e48 | 2984 | |
2b39e907 | 2985 | return err; |
14d7e9de | 2986 | } |
2987 | ||
fd694733 | 2988 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 2989 | { |
5d909cdb | 2990 | struct buffer_head *bh; |
d440c52d | 2991 | __u32 crc = 0; |
26d815ad JK |
2992 | int err; |
2993 | ||
df728b0f JK |
2994 | if ((recover && f2fs_readonly(sbi->sb)) || |
2995 | bdev_read_only(sbi->sb->s_bdev)) { | |
2996 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 2997 | return -EROFS; |
df728b0f | 2998 | } |
f2353d7b | 2999 | |
d440c52d | 3000 | /* we should update superblock crc here */ |
7beb01f7 | 3001 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3002 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3003 | offsetof(struct f2fs_super_block, crc)); | |
3004 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3005 | } | |
3006 | ||
fd694733 | 3007 | /* write back-up superblock first */ |
0964fc1a | 3008 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3009 | if (!bh) |
3010 | return -EIO; | |
fd694733 | 3011 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3012 | brelse(bh); |
c5bda1c8 CY |
3013 | |
3014 | /* if we are in recovery path, skip writing valid superblock */ | |
3015 | if (recover || err) | |
5d909cdb | 3016 | return err; |
26d815ad JK |
3017 | |
3018 | /* write current valid superblock */ | |
0964fc1a | 3019 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3020 | if (!bh) |
3021 | return -EIO; | |
3022 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3023 | brelse(bh); | |
3024 | return err; | |
26d815ad JK |
3025 | } |
3026 | ||
3c62be17 JK |
3027 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3028 | { | |
3029 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3030 | unsigned int max_devices = MAX_DEVICES; |
3c62be17 JK |
3031 | int i; |
3032 | ||
7bb3a371 MS |
3033 | /* Initialize single device information */ |
3034 | if (!RDEV(0).path[0]) { | |
3035 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3036 | return 0; |
7bb3a371 MS |
3037 | max_devices = 1; |
3038 | } | |
3c62be17 | 3039 | |
7bb3a371 MS |
3040 | /* |
3041 | * Initialize multiple devices information, or single | |
3042 | * zoned block device information. | |
3043 | */ | |
026f0507 KC |
3044 | sbi->devs = f2fs_kzalloc(sbi, |
3045 | array_size(max_devices, | |
3046 | sizeof(struct f2fs_dev_info)), | |
3047 | GFP_KERNEL); | |
7bb3a371 MS |
3048 | if (!sbi->devs) |
3049 | return -ENOMEM; | |
3c62be17 | 3050 | |
7bb3a371 | 3051 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3052 | |
7bb3a371 MS |
3053 | if (i > 0 && !RDEV(i).path[0]) |
3054 | break; | |
3055 | ||
3056 | if (max_devices == 1) { | |
3057 | /* Single zoned block device mount */ | |
3058 | FDEV(0).bdev = | |
3059 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3060 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3061 | } else { |
3062 | /* Multi-device mount */ | |
3063 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3064 | FDEV(i).total_segments = | |
3065 | le32_to_cpu(RDEV(i).total_segments); | |
3066 | if (i == 0) { | |
3067 | FDEV(i).start_blk = 0; | |
3068 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3069 | (FDEV(i).total_segments << | |
3070 | sbi->log_blocks_per_seg) - 1 + | |
3071 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3072 | } else { | |
3073 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3074 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3075 | (FDEV(i).total_segments << | |
3076 | sbi->log_blocks_per_seg) - 1; | |
3077 | } | |
3078 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3079 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3080 | } |
3c62be17 JK |
3081 | if (IS_ERR(FDEV(i).bdev)) |
3082 | return PTR_ERR(FDEV(i).bdev); | |
3083 | ||
3084 | /* to release errored devices */ | |
3085 | sbi->s_ndevs = i + 1; | |
3086 | ||
3087 | #ifdef CONFIG_BLK_DEV_ZONED | |
3088 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3089 | !f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3090 | f2fs_err(sbi, "Zoned block device feature not enabled\n"); |
3c62be17 JK |
3091 | return -EINVAL; |
3092 | } | |
3093 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3094 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3095 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3096 | return -EINVAL; |
3097 | } | |
7bb3a371 MS |
3098 | if (max_devices == 1) |
3099 | break; | |
dcbb4c10 JP |
3100 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3101 | i, FDEV(i).path, | |
3102 | FDEV(i).total_segments, | |
3103 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3104 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3105 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3106 | continue; |
3107 | } | |
3108 | #endif | |
dcbb4c10 JP |
3109 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3110 | i, FDEV(i).path, | |
3111 | FDEV(i).total_segments, | |
3112 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3113 | } | |
3114 | f2fs_info(sbi, | |
3115 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3116 | return 0; |
3117 | } | |
3118 | ||
5aba5430 DR |
3119 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3120 | { | |
3121 | #ifdef CONFIG_UNICODE | |
3122 | if (f2fs_sb_has_casefold(sbi) && !sbi->s_encoding) { | |
3123 | const struct f2fs_sb_encodings *encoding_info; | |
3124 | struct unicode_map *encoding; | |
3125 | __u16 encoding_flags; | |
3126 | ||
3127 | if (f2fs_sb_has_encrypt(sbi)) { | |
3128 | f2fs_err(sbi, | |
3129 | "Can't mount with encoding and encryption"); | |
3130 | return -EINVAL; | |
3131 | } | |
3132 | ||
3133 | if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, | |
3134 | &encoding_flags)) { | |
3135 | f2fs_err(sbi, | |
3136 | "Encoding requested by superblock is unknown"); | |
3137 | return -EINVAL; | |
3138 | } | |
3139 | ||
3140 | encoding = utf8_load(encoding_info->version); | |
3141 | if (IS_ERR(encoding)) { | |
3142 | f2fs_err(sbi, | |
3143 | "can't mount with superblock charset: %s-%s " | |
3144 | "not supported by the kernel. flags: 0x%x.", | |
3145 | encoding_info->name, encoding_info->version, | |
3146 | encoding_flags); | |
3147 | return PTR_ERR(encoding); | |
3148 | } | |
3149 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
3150 | "%s-%s with flags 0x%hx", encoding_info->name, | |
3151 | encoding_info->version?:"\b", encoding_flags); | |
3152 | ||
3153 | sbi->s_encoding = encoding; | |
3154 | sbi->s_encoding_flags = encoding_flags; | |
2c2eb7a3 | 3155 | sbi->sb->s_d_op = &f2fs_dentry_ops; |
5aba5430 DR |
3156 | } |
3157 | #else | |
3158 | if (f2fs_sb_has_casefold(sbi)) { | |
3159 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3160 | return -EINVAL; | |
3161 | } | |
3162 | #endif | |
3163 | return 0; | |
3164 | } | |
3165 | ||
84b89e5d JK |
3166 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3167 | { | |
3168 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3169 | ||
3170 | /* adjust parameters according to the volume size */ | |
3171 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3172 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
84b89e5d JK |
3173 | sm_i->dcc_info->discard_granularity = 1; |
3174 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; | |
3175 | } | |
4cac90d5 CY |
3176 | |
3177 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3178 | } |
3179 | ||
aff063e2 JK |
3180 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3181 | { | |
3182 | struct f2fs_sb_info *sbi; | |
da554e48 | 3183 | struct f2fs_super_block *raw_super; |
aff063e2 | 3184 | struct inode *root; |
99e3e858 | 3185 | int err; |
aa2c8c43 | 3186 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3187 | char *options = NULL; |
e8240f65 | 3188 | int recovery, i, valid_super_block; |
8f1dbbbb | 3189 | struct curseg_info *seg_i; |
aa2c8c43 | 3190 | int retry_cnt = 1; |
aff063e2 | 3191 | |
ed2e621a | 3192 | try_onemore: |
da554e48 | 3193 | err = -EINVAL; |
3194 | raw_super = NULL; | |
e8240f65 | 3195 | valid_super_block = -1; |
da554e48 | 3196 | recovery = 0; |
3197 | ||
aff063e2 JK |
3198 | /* allocate memory for f2fs-specific super block info */ |
3199 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3200 | if (!sbi) | |
3201 | return -ENOMEM; | |
3202 | ||
df728b0f JK |
3203 | sbi->sb = sb; |
3204 | ||
43b6573b KM |
3205 | /* Load the checksum driver */ |
3206 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3207 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3208 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3209 | err = PTR_ERR(sbi->s_chksum_driver); |
3210 | sbi->s_chksum_driver = NULL; | |
3211 | goto free_sbi; | |
3212 | } | |
3213 | ||
ff9234ad | 3214 | /* set a block size */ |
6bacf52f | 3215 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 3216 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 3217 | goto free_sbi; |
a07ef784 | 3218 | } |
aff063e2 | 3219 | |
df728b0f | 3220 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 3221 | &recovery); |
9076a75f GZ |
3222 | if (err) |
3223 | goto free_sbi; | |
3224 | ||
5fb08372 | 3225 | sb->s_fs_info = sbi; |
52763a4b JK |
3226 | sbi->raw_super = raw_super; |
3227 | ||
704956ec | 3228 | /* precompute checksum seed for metadata */ |
7beb01f7 | 3229 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
3230 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
3231 | sizeof(raw_super->uuid)); | |
3232 | ||
d1b959c8 DLM |
3233 | /* |
3234 | * The BLKZONED feature indicates that the drive was formatted with | |
3235 | * zone alignment optimization. This is optional for host-aware | |
3236 | * devices, but mandatory for host-managed zoned block devices. | |
3237 | */ | |
3238 | #ifndef CONFIG_BLK_DEV_ZONED | |
7beb01f7 | 3239 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 3240 | f2fs_err(sbi, "Zoned block device support is not enabled"); |
1727f317 | 3241 | err = -EOPNOTSUPP; |
d1b959c8 DLM |
3242 | goto free_sb_buf; |
3243 | } | |
d1b959c8 | 3244 | #endif |
498c5e9f | 3245 | default_options(sbi); |
aff063e2 | 3246 | /* parse mount options */ |
dabc4a5c JK |
3247 | options = kstrdup((const char *)data, GFP_KERNEL); |
3248 | if (data && !options) { | |
3249 | err = -ENOMEM; | |
aff063e2 | 3250 | goto free_sb_buf; |
dabc4a5c JK |
3251 | } |
3252 | ||
3253 | err = parse_options(sb, options); | |
3254 | if (err) | |
3255 | goto free_options; | |
aff063e2 | 3256 | |
e0afc4d6 CY |
3257 | sbi->max_file_blocks = max_file_blocks(); |
3258 | sb->s_maxbytes = sbi->max_file_blocks << | |
3259 | le32_to_cpu(raw_super->log_blocksize); | |
aff063e2 | 3260 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 3261 | |
5aba5430 DR |
3262 | err = f2fs_setup_casefold(sbi); |
3263 | if (err) | |
3264 | goto free_options; | |
3265 | ||
0abd675e CY |
3266 | #ifdef CONFIG_QUOTA |
3267 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 3268 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 3269 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 3270 | |
7beb01f7 | 3271 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
3272 | for (i = 0; i < MAXQUOTAS; i++) { |
3273 | if (f2fs_qf_ino(sbi->sb, i)) | |
3274 | sbi->nquota_files++; | |
3275 | } | |
3276 | } | |
0abd675e CY |
3277 | #endif |
3278 | ||
aff063e2 | 3279 | sb->s_op = &f2fs_sops; |
643fa961 | 3280 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 3281 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
3282 | #endif |
3283 | #ifdef CONFIG_FS_VERITY | |
3284 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 3285 | #endif |
aff063e2 JK |
3286 | sb->s_xattr = f2fs_xattr_handlers; |
3287 | sb->s_export_op = &f2fs_export_ops; | |
3288 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 3289 | sb->s_time_gran = 1; |
1751e8a6 LT |
3290 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
3291 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 3292 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 3293 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
3294 | |
3295 | /* init f2fs-specific super block info */ | |
e8240f65 | 3296 | sbi->valid_super_block = valid_super_block; |
aff063e2 | 3297 | mutex_init(&sbi->gc_mutex); |
853137ce | 3298 | mutex_init(&sbi->writepages); |
aff063e2 | 3299 | mutex_init(&sbi->cp_mutex); |
04f0b2ea | 3300 | mutex_init(&sbi->resize_mutex); |
b3582c68 | 3301 | init_rwsem(&sbi->node_write); |
59c9081b | 3302 | init_rwsem(&sbi->node_change); |
315df839 JK |
3303 | |
3304 | /* disallow all the data/node/meta page writes */ | |
3305 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 3306 | spin_lock_init(&sbi->stat_lock); |
971767ca | 3307 | |
b0af6d49 CY |
3308 | /* init iostat info */ |
3309 | spin_lock_init(&sbi->iostat_lock); | |
3310 | sbi->iostat_enable = false; | |
3311 | ||
458e6197 | 3312 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
a912b54d JK |
3313 | int n = (i == META) ? 1: NR_TEMP_TYPE; |
3314 | int j; | |
3315 | ||
c8606593 KC |
3316 | sbi->write_io[i] = |
3317 | f2fs_kmalloc(sbi, | |
3318 | array_size(n, | |
3319 | sizeof(struct f2fs_bio_info)), | |
3320 | GFP_KERNEL); | |
b63def91 CJ |
3321 | if (!sbi->write_io[i]) { |
3322 | err = -ENOMEM; | |
0b2103e8 | 3323 | goto free_bio_info; |
b63def91 | 3324 | } |
a912b54d JK |
3325 | |
3326 | for (j = HOT; j < n; j++) { | |
3327 | init_rwsem(&sbi->write_io[i][j].io_rwsem); | |
3328 | sbi->write_io[i][j].sbi = sbi; | |
3329 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
3330 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
3331 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
a912b54d | 3332 | } |
458e6197 | 3333 | } |
971767ca | 3334 | |
b873b798 | 3335 | init_rwsem(&sbi->cp_rwsem); |
db6ec53b | 3336 | init_rwsem(&sbi->quota_sem); |
fb51b5ef | 3337 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
3338 | init_sb_info(sbi); |
3339 | ||
523be8a6 JK |
3340 | err = init_percpu_info(sbi); |
3341 | if (err) | |
d7997e63 | 3342 | goto free_bio_info; |
523be8a6 | 3343 | |
c72db71e | 3344 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 3345 | sbi->write_io_dummy = |
a3ebfe4f | 3346 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
3347 | if (!sbi->write_io_dummy) { |
3348 | err = -ENOMEM; | |
d7997e63 | 3349 | goto free_percpu; |
1727f317 | 3350 | } |
0a595eba JK |
3351 | } |
3352 | ||
aff063e2 JK |
3353 | /* get an inode for meta space */ |
3354 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
3355 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 3356 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 3357 | err = PTR_ERR(sbi->meta_inode); |
0a595eba | 3358 | goto free_io_dummy; |
aff063e2 JK |
3359 | } |
3360 | ||
4d57b86d | 3361 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 3362 | if (err) { |
dcbb4c10 | 3363 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 3364 | goto free_meta_inode; |
a07ef784 | 3365 | } |
aff063e2 | 3366 | |
af033b2a CY |
3367 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
3368 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
3369 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
3370 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
3371 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
3372 | } | |
af033b2a | 3373 | |
04f0b2ea QS |
3374 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
3375 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3376 | ||
3c62be17 JK |
3377 | /* Initialize device list */ |
3378 | err = f2fs_scan_devices(sbi); | |
3379 | if (err) { | |
dcbb4c10 | 3380 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
3381 | goto free_devices; |
3382 | } | |
3383 | ||
aff063e2 JK |
3384 | sbi->total_valid_node_count = |
3385 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
3386 | percpu_counter_set(&sbi->total_valid_inode_count, |
3387 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
3388 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
3389 | sbi->total_valid_block_count = | |
3390 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
3391 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 3392 | sbi->reserved_blocks = 0; |
80d42145 | 3393 | sbi->current_reserved_blocks = 0; |
7e65be49 | 3394 | limit_reserve_root(sbi); |
41382ec4 | 3395 | |
c227f912 CY |
3396 | for (i = 0; i < NR_INODE_TYPE; i++) { |
3397 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
3398 | spin_lock_init(&sbi->inode_lock[i]); | |
3399 | } | |
040d2bb3 | 3400 | mutex_init(&sbi->flush_lock); |
aff063e2 | 3401 | |
4d57b86d | 3402 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 3403 | |
4d57b86d | 3404 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 3405 | |
50fa53ec CY |
3406 | f2fs_init_fsync_node_info(sbi); |
3407 | ||
aff063e2 | 3408 | /* setup f2fs internal modules */ |
4d57b86d | 3409 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 3410 | if (err) { |
dcbb4c10 JP |
3411 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
3412 | err); | |
aff063e2 | 3413 | goto free_sm; |
a07ef784 | 3414 | } |
4d57b86d | 3415 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 3416 | if (err) { |
dcbb4c10 JP |
3417 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
3418 | err); | |
aff063e2 | 3419 | goto free_nm; |
a07ef784 | 3420 | } |
aff063e2 | 3421 | |
8f1dbbbb SL |
3422 | /* For write statistics */ |
3423 | if (sb->s_bdev->bd_part) | |
3424 | sbi->sectors_written_start = | |
dbae2c55 MC |
3425 | (u64)part_stat_read(sb->s_bdev->bd_part, |
3426 | sectors[STAT_WRITE]); | |
8f1dbbbb SL |
3427 | |
3428 | /* Read accumulated write IO statistics if exists */ | |
3429 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
3430 | if (__exist_node_summaries(sbi)) | |
3431 | sbi->kbytes_written = | |
b2dde6fc | 3432 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 3433 | |
4d57b86d | 3434 | f2fs_build_gc_manager(sbi); |
aff063e2 | 3435 | |
60aa4d55 ST |
3436 | err = f2fs_build_stats(sbi); |
3437 | if (err) | |
3438 | goto free_nm; | |
3439 | ||
aff063e2 JK |
3440 | /* get an inode for node space */ |
3441 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
3442 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 3443 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 3444 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 3445 | goto free_stats; |
aff063e2 JK |
3446 | } |
3447 | ||
aff063e2 JK |
3448 | /* read root inode and dentry */ |
3449 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
3450 | if (IS_ERR(root)) { | |
dcbb4c10 | 3451 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 3452 | err = PTR_ERR(root); |
60aa4d55 | 3453 | goto free_node_inode; |
aff063e2 | 3454 | } |
bcbfbd60 CY |
3455 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
3456 | !root->i_size || !root->i_nlink) { | |
9d847950 | 3457 | iput(root); |
8f99a946 | 3458 | err = -EINVAL; |
60aa4d55 | 3459 | goto free_node_inode; |
8f99a946 | 3460 | } |
aff063e2 JK |
3461 | |
3462 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
3463 | if (!sb->s_root) { | |
3464 | err = -ENOMEM; | |
025cdb16 | 3465 | goto free_node_inode; |
aff063e2 JK |
3466 | } |
3467 | ||
dc6b2055 | 3468 | err = f2fs_register_sysfs(sbi); |
b59d0bae | 3469 | if (err) |
a398101a | 3470 | goto free_root_inode; |
b59d0bae | 3471 | |
ea676733 | 3472 | #ifdef CONFIG_QUOTA |
76cf05d7 | 3473 | /* Enable quota usage during mount */ |
7beb01f7 | 3474 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 3475 | err = f2fs_enable_quotas(sb); |
730746ce | 3476 | if (err) |
dcbb4c10 | 3477 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
3478 | } |
3479 | #endif | |
4b2414d0 | 3480 | /* if there are nt orphan nodes free them */ |
4d57b86d | 3481 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 3482 | if (err) |
ea676733 | 3483 | goto free_meta; |
4b2414d0 | 3484 | |
4354994f | 3485 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 3486 | goto reset_checkpoint; |
4354994f | 3487 | |
6437d1b0 JK |
3488 | /* recover fsynced data */ |
3489 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) { | |
081d78c2 JK |
3490 | /* |
3491 | * mount should be failed, when device has readonly mode, and | |
3492 | * previous checkpoint was not done by clean system shutdown. | |
3493 | */ | |
b61af314 CY |
3494 | if (f2fs_hw_is_readonly(sbi)) { |
3495 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3496 | err = -EROFS; | |
dcbb4c10 | 3497 | f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); |
b61af314 CY |
3498 | goto free_meta; |
3499 | } | |
dcbb4c10 | 3500 | f2fs_info(sbi, "write access unavailable, skipping recovery"); |
b61af314 | 3501 | goto reset_checkpoint; |
081d78c2 | 3502 | } |
2adc3505 CY |
3503 | |
3504 | if (need_fsck) | |
3505 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
3506 | ||
aa2c8c43 CY |
3507 | if (skip_recovery) |
3508 | goto reset_checkpoint; | |
a468f0ef | 3509 | |
4d57b86d | 3510 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 3511 | if (err < 0) { |
aa2c8c43 CY |
3512 | if (err != -ENOMEM) |
3513 | skip_recovery = true; | |
2adc3505 | 3514 | need_fsck = true; |
dcbb4c10 JP |
3515 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
3516 | err); | |
4b2414d0 | 3517 | goto free_meta; |
ed2e621a | 3518 | } |
6781eabb | 3519 | } else { |
4d57b86d | 3520 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
3521 | |
3522 | if (!f2fs_readonly(sb) && err > 0) { | |
3523 | err = -EINVAL; | |
dcbb4c10 | 3524 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 3525 | goto free_meta; |
6781eabb | 3526 | } |
6437d1b0 | 3527 | } |
aa2c8c43 | 3528 | reset_checkpoint: |
4d57b86d | 3529 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 3530 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 3531 | |
4354994f DR |
3532 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
3533 | err = f2fs_disable_checkpoint(sbi); | |
3534 | if (err) | |
812a9597 | 3535 | goto sync_free_meta; |
4354994f DR |
3536 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
3537 | f2fs_enable_checkpoint(sbi); | |
3538 | } | |
3539 | ||
6437d1b0 JK |
3540 | /* |
3541 | * If filesystem is not mounted as read-only then | |
3542 | * do start the gc_thread. | |
3543 | */ | |
6c029932 | 3544 | if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) { |
6437d1b0 | 3545 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 3546 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 3547 | if (err) |
812a9597 | 3548 | goto sync_free_meta; |
6437d1b0 | 3549 | } |
5222595d | 3550 | kvfree(options); |
da554e48 | 3551 | |
3552 | /* recover broken superblock */ | |
f2353d7b | 3553 | if (recovery) { |
41214b3c | 3554 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
3555 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
3556 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 3557 | } |
3558 | ||
bae01eda CY |
3559 | f2fs_join_shrinker(sbi); |
3560 | ||
84b89e5d JK |
3561 | f2fs_tuning_parameters(sbi); |
3562 | ||
dcbb4c10 JP |
3563 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
3564 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 3565 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 3566 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 3567 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 3568 | return 0; |
6437d1b0 | 3569 | |
812a9597 JK |
3570 | sync_free_meta: |
3571 | /* safe to flush all the data */ | |
3572 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 3573 | retry_cnt = 0; |
812a9597 | 3574 | |
4b2414d0 | 3575 | free_meta: |
ea676733 | 3576 | #ifdef CONFIG_QUOTA |
26b5a079 | 3577 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 3578 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
3579 | f2fs_quota_off_umount(sbi->sb); |
3580 | #endif | |
4b2414d0 | 3581 | /* |
4d57b86d | 3582 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 3583 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
3584 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
3585 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
3586 | */ |
3587 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
3588 | /* evict some inodes being cached by GC */ |
3589 | evict_inodes(sb); | |
dc6b2055 | 3590 | f2fs_unregister_sysfs(sbi); |
aff063e2 JK |
3591 | free_root_inode: |
3592 | dput(sb->s_root); | |
3593 | sb->s_root = NULL; | |
3594 | free_node_inode: | |
4d57b86d | 3595 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 3596 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 3597 | iput(sbi->node_inode); |
7c77bf7d | 3598 | sbi->node_inode = NULL; |
60aa4d55 ST |
3599 | free_stats: |
3600 | f2fs_destroy_stats(sbi); | |
aff063e2 | 3601 | free_nm: |
4d57b86d | 3602 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 3603 | free_sm: |
4d57b86d | 3604 | f2fs_destroy_segment_manager(sbi); |
3c62be17 JK |
3605 | free_devices: |
3606 | destroy_device_list(sbi); | |
5222595d | 3607 | kvfree(sbi->ckpt); |
aff063e2 JK |
3608 | free_meta_inode: |
3609 | make_bad_inode(sbi->meta_inode); | |
3610 | iput(sbi->meta_inode); | |
7c77bf7d | 3611 | sbi->meta_inode = NULL; |
0a595eba JK |
3612 | free_io_dummy: |
3613 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
3614 | free_percpu: |
3615 | destroy_percpu_info(sbi); | |
3616 | free_bio_info: | |
a912b54d | 3617 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 3618 | kvfree(sbi->write_io[i]); |
5aba5430 DR |
3619 | |
3620 | #ifdef CONFIG_UNICODE | |
3621 | utf8_unload(sbi->s_encoding); | |
3622 | #endif | |
d7997e63 | 3623 | free_options: |
4b2414d0 CY |
3624 | #ifdef CONFIG_QUOTA |
3625 | for (i = 0; i < MAXQUOTAS; i++) | |
5222595d | 3626 | kvfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 3627 | #endif |
5222595d | 3628 | kvfree(options); |
aff063e2 | 3629 | free_sb_buf: |
5222595d | 3630 | kvfree(raw_super); |
aff063e2 | 3631 | free_sbi: |
43b6573b KM |
3632 | if (sbi->s_chksum_driver) |
3633 | crypto_free_shash(sbi->s_chksum_driver); | |
5222595d | 3634 | kvfree(sbi); |
ed2e621a JK |
3635 | |
3636 | /* give only one another chance */ | |
aa2c8c43 CY |
3637 | if (retry_cnt > 0 && skip_recovery) { |
3638 | retry_cnt--; | |
ed2e621a JK |
3639 | shrink_dcache_sb(sb); |
3640 | goto try_onemore; | |
3641 | } | |
aff063e2 JK |
3642 | return err; |
3643 | } | |
3644 | ||
3645 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
3646 | const char *dev_name, void *data) | |
3647 | { | |
3648 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
3649 | } | |
3650 | ||
30a5537f JK |
3651 | static void kill_f2fs_super(struct super_block *sb) |
3652 | { | |
cce13252 | 3653 | if (sb->s_root) { |
1cb50f87 JK |
3654 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
3655 | ||
3656 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
3657 | f2fs_stop_gc_thread(sbi); | |
3658 | f2fs_stop_discard_thread(sbi); | |
3659 | ||
3660 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || | |
3661 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
3662 | struct cp_control cpc = { | |
3663 | .reason = CP_UMOUNT, | |
3664 | }; | |
3665 | f2fs_write_checkpoint(sbi, &cpc); | |
3666 | } | |
1378752b CY |
3667 | |
3668 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
3669 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 3670 | } |
30a5537f JK |
3671 | kill_block_super(sb); |
3672 | } | |
3673 | ||
aff063e2 JK |
3674 | static struct file_system_type f2fs_fs_type = { |
3675 | .owner = THIS_MODULE, | |
3676 | .name = "f2fs", | |
3677 | .mount = f2fs_mount, | |
30a5537f | 3678 | .kill_sb = kill_f2fs_super, |
aff063e2 JK |
3679 | .fs_flags = FS_REQUIRES_DEV, |
3680 | }; | |
7f78e035 | 3681 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 3682 | |
6e6093a8 | 3683 | static int __init init_inodecache(void) |
aff063e2 | 3684 | { |
5d097056 VD |
3685 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
3686 | sizeof(struct f2fs_inode_info), 0, | |
3687 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 3688 | if (!f2fs_inode_cachep) |
aff063e2 JK |
3689 | return -ENOMEM; |
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | static void destroy_inodecache(void) | |
3694 | { | |
3695 | /* | |
3696 | * Make sure all delayed rcu free inodes are flushed before we | |
3697 | * destroy cache. | |
3698 | */ | |
3699 | rcu_barrier(); | |
3700 | kmem_cache_destroy(f2fs_inode_cachep); | |
3701 | } | |
3702 | ||
3703 | static int __init init_f2fs_fs(void) | |
3704 | { | |
3705 | int err; | |
3706 | ||
4071e67c AP |
3707 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
3708 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
3709 | PAGE_SIZE, F2FS_BLKSIZE); | |
3710 | return -EINVAL; | |
3711 | } | |
3712 | ||
c0508650 JK |
3713 | f2fs_build_trace_ios(); |
3714 | ||
aff063e2 JK |
3715 | err = init_inodecache(); |
3716 | if (err) | |
3717 | goto fail; | |
4d57b86d | 3718 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 3719 | if (err) |
9890ff3f | 3720 | goto free_inodecache; |
4d57b86d | 3721 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 3722 | if (err) |
9890ff3f | 3723 | goto free_node_manager_caches; |
4d57b86d | 3724 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 3725 | if (err) |
06292073 | 3726 | goto free_segment_manager_caches; |
4d57b86d | 3727 | err = f2fs_create_extent_cache(); |
1dcc336b CY |
3728 | if (err) |
3729 | goto free_checkpoint_caches; | |
dc6b2055 | 3730 | err = f2fs_init_sysfs(); |
a398101a | 3731 | if (err) |
1dcc336b | 3732 | goto free_extent_cache; |
2658e50d | 3733 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 3734 | if (err) |
a398101a | 3735 | goto free_sysfs; |
2658e50d JK |
3736 | err = register_filesystem(&f2fs_fs_type); |
3737 | if (err) | |
3738 | goto free_shrinker; | |
21acc07d | 3739 | f2fs_create_root_stats(); |
6dbb1796 EB |
3740 | err = f2fs_init_post_read_processing(); |
3741 | if (err) | |
3742 | goto free_root_stats; | |
9890ff3f ZH |
3743 | return 0; |
3744 | ||
6dbb1796 EB |
3745 | free_root_stats: |
3746 | f2fs_destroy_root_stats(); | |
787c7b8c | 3747 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
3748 | free_shrinker: |
3749 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 3750 | free_sysfs: |
dc6b2055 | 3751 | f2fs_exit_sysfs(); |
1dcc336b | 3752 | free_extent_cache: |
4d57b86d | 3753 | f2fs_destroy_extent_cache(); |
9890ff3f | 3754 | free_checkpoint_caches: |
4d57b86d | 3755 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 3756 | free_segment_manager_caches: |
4d57b86d | 3757 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 3758 | free_node_manager_caches: |
4d57b86d | 3759 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
3760 | free_inodecache: |
3761 | destroy_inodecache(); | |
aff063e2 JK |
3762 | fail: |
3763 | return err; | |
3764 | } | |
3765 | ||
3766 | static void __exit exit_f2fs_fs(void) | |
3767 | { | |
6dbb1796 | 3768 | f2fs_destroy_post_read_processing(); |
4589d25d | 3769 | f2fs_destroy_root_stats(); |
aff063e2 | 3770 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 3771 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 3772 | f2fs_exit_sysfs(); |
4d57b86d CY |
3773 | f2fs_destroy_extent_cache(); |
3774 | f2fs_destroy_checkpoint_caches(); | |
3775 | f2fs_destroy_segment_manager_caches(); | |
3776 | f2fs_destroy_node_manager_caches(); | |
aff063e2 | 3777 | destroy_inodecache(); |
351f4fba | 3778 | f2fs_destroy_trace_ios(); |
aff063e2 JK |
3779 | } |
3780 | ||
3781 | module_init(init_f2fs_fs) | |
3782 | module_exit(exit_f2fs_fs) | |
3783 | ||
3784 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
3785 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
3786 | MODULE_LICENSE("GPL"); | |
b4b9d34c | 3787 |