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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> | |
4034247a | 11 | #include <linux/sched/mm.h> |
aff063e2 | 12 | #include <linux/statfs.h> |
aff063e2 | 13 | #include <linux/buffer_head.h> |
aff063e2 JK |
14 | #include <linux/kthread.h> |
15 | #include <linux/parser.h> | |
16 | #include <linux/mount.h> | |
17 | #include <linux/seq_file.h> | |
5e176d54 | 18 | #include <linux/proc_fs.h> |
aff063e2 JK |
19 | #include <linux/random.h> |
20 | #include <linux/exportfs.h> | |
d3ee456d | 21 | #include <linux/blkdev.h> |
0abd675e | 22 | #include <linux/quotaops.h> |
aff063e2 | 23 | #include <linux/f2fs_fs.h> |
b59d0bae | 24 | #include <linux/sysfs.h> |
4b2414d0 | 25 | #include <linux/quota.h> |
5aba5430 | 26 | #include <linux/unicode.h> |
c6a564ff | 27 | #include <linux/part_stat.h> |
3fde13f8 CY |
28 | #include <linux/zstd.h> |
29 | #include <linux/lz4.h> | |
aff063e2 JK |
30 | |
31 | #include "f2fs.h" | |
32 | #include "node.h" | |
5ec4e49f | 33 | #include "segment.h" |
aff063e2 | 34 | #include "xattr.h" |
b59d0bae | 35 | #include "gc.h" |
52118743 | 36 | #include "iostat.h" |
aff063e2 | 37 | |
a2a4a7e4 NJ |
38 | #define CREATE_TRACE_POINTS |
39 | #include <trace/events/f2fs.h> | |
40 | ||
aff063e2 JK |
41 | static struct kmem_cache *f2fs_inode_cachep; |
42 | ||
73faec4d | 43 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
2c63fead | 44 | |
19880e6e | 45 | const char *f2fs_fault_name[FAULT_MAX] = { |
2c63fead | 46 | [FAULT_KMALLOC] = "kmalloc", |
628b3d14 | 47 | [FAULT_KVMALLOC] = "kvmalloc", |
c41f3cc3 | 48 | [FAULT_PAGE_ALLOC] = "page alloc", |
01eccef7 | 49 | [FAULT_PAGE_GET] = "page get", |
cb78942b JK |
50 | [FAULT_ALLOC_NID] = "alloc nid", |
51 | [FAULT_ORPHAN] = "orphan", | |
52 | [FAULT_BLOCK] = "no more block", | |
53 | [FAULT_DIR_DEPTH] = "too big dir depth", | |
53aa6bbf | 54 | [FAULT_EVICT_INODE] = "evict_inode fail", |
14b44d23 | 55 | [FAULT_TRUNCATE] = "truncate fail", |
6f5c2ed0 | 56 | [FAULT_READ_IO] = "read IO error", |
0f348028 | 57 | [FAULT_CHECKPOINT] = "checkpoint error", |
b83dcfe6 | 58 | [FAULT_DISCARD] = "discard error", |
6f5c2ed0 | 59 | [FAULT_WRITE_IO] = "write IO error", |
32410577 | 60 | [FAULT_SLAB_ALLOC] = "slab alloc", |
10a26878 | 61 | [FAULT_DQUOT_INIT] = "dquot initialize", |
3e020389 | 62 | [FAULT_LOCK_OP] = "lock_op", |
2c63fead | 63 | }; |
08796897 | 64 | |
d494500a CY |
65 | void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
66 | unsigned int type) | |
08796897 | 67 | { |
63189b78 | 68 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c | 69 | |
08796897 | 70 | if (rate) { |
1ecc0c5c CY |
71 | atomic_set(&ffi->inject_ops, 0); |
72 | ffi->inject_rate = rate; | |
08796897 | 73 | } |
d494500a CY |
74 | |
75 | if (type) | |
76 | ffi->inject_type = type; | |
77 | ||
78 | if (!rate && !type) | |
79 | memset(ffi, 0, sizeof(struct f2fs_fault_info)); | |
08796897 | 80 | } |
73faec4d JK |
81 | #endif |
82 | ||
2658e50d JK |
83 | /* f2fs-wide shrinker description */ |
84 | static struct shrinker f2fs_shrinker_info = { | |
85 | .scan_objects = f2fs_shrink_scan, | |
86 | .count_objects = f2fs_shrink_count, | |
87 | .seeks = DEFAULT_SEEKS, | |
88 | }; | |
89 | ||
aff063e2 | 90 | enum { |
696c018c | 91 | Opt_gc_background, |
aff063e2 | 92 | Opt_disable_roll_forward, |
2d834bf9 | 93 | Opt_norecovery, |
aff063e2 | 94 | Opt_discard, |
64058be9 | 95 | Opt_nodiscard, |
aff063e2 | 96 | Opt_noheap, |
7a20b8a6 | 97 | Opt_heap, |
4058c511 | 98 | Opt_user_xattr, |
aff063e2 | 99 | Opt_nouser_xattr, |
4058c511 | 100 | Opt_acl, |
aff063e2 JK |
101 | Opt_noacl, |
102 | Opt_active_logs, | |
103 | Opt_disable_ext_identify, | |
444c580f | 104 | Opt_inline_xattr, |
23cf7212 | 105 | Opt_noinline_xattr, |
6afc662e | 106 | Opt_inline_xattr_size, |
8274de77 | 107 | Opt_inline_data, |
5efd3c6f | 108 | Opt_inline_dentry, |
97c1794a | 109 | Opt_noinline_dentry, |
6b4afdd7 | 110 | Opt_flush_merge, |
69e9e427 | 111 | Opt_noflush_merge, |
0f7b2abd | 112 | Opt_nobarrier, |
d5053a34 | 113 | Opt_fastboot, |
89672159 | 114 | Opt_extent_cache, |
7daaea25 | 115 | Opt_noextent_cache, |
75342797 | 116 | Opt_noinline_data, |
343f40f0 | 117 | Opt_data_flush, |
7e65be49 | 118 | Opt_reserve_root, |
7c2e5963 JK |
119 | Opt_resgid, |
120 | Opt_resuid, | |
36abef4e | 121 | Opt_mode, |
ec91538d | 122 | Opt_io_size_bits, |
73faec4d | 123 | Opt_fault_injection, |
d494500a | 124 | Opt_fault_type, |
6d94c74a JK |
125 | Opt_lazytime, |
126 | Opt_nolazytime, | |
4b2414d0 CY |
127 | Opt_quota, |
128 | Opt_noquota, | |
0abd675e CY |
129 | Opt_usrquota, |
130 | Opt_grpquota, | |
5c57132e | 131 | Opt_prjquota, |
4b2414d0 CY |
132 | Opt_usrjquota, |
133 | Opt_grpjquota, | |
134 | Opt_prjjquota, | |
135 | Opt_offusrjquota, | |
136 | Opt_offgrpjquota, | |
137 | Opt_offprjjquota, | |
138 | Opt_jqfmt_vfsold, | |
139 | Opt_jqfmt_vfsv0, | |
140 | Opt_jqfmt_vfsv1, | |
07939627 | 141 | Opt_alloc, |
93cf93f1 | 142 | Opt_fsync, |
ff62af20 | 143 | Opt_test_dummy_encryption, |
27aacd28 | 144 | Opt_inlinecrypt, |
4d3aed70 DR |
145 | Opt_checkpoint_disable, |
146 | Opt_checkpoint_disable_cap, | |
147 | Opt_checkpoint_disable_cap_perc, | |
148 | Opt_checkpoint_enable, | |
261eeb9c DJ |
149 | Opt_checkpoint_merge, |
150 | Opt_nocheckpoint_merge, | |
4c8ff709 CY |
151 | Opt_compress_algorithm, |
152 | Opt_compress_log_size, | |
153 | Opt_compress_extension, | |
151b1982 | 154 | Opt_nocompress_extension, |
b28f047b | 155 | Opt_compress_chksum, |
602a16d5 | 156 | Opt_compress_mode, |
6ce19aff | 157 | Opt_compress_cache, |
093749e2 | 158 | Opt_atgc, |
5911d2d1 CY |
159 | Opt_gc_merge, |
160 | Opt_nogc_merge, | |
4f993264 | 161 | Opt_discard_unit, |
aff063e2 JK |
162 | Opt_err, |
163 | }; | |
164 | ||
165 | static match_table_t f2fs_tokens = { | |
696c018c | 166 | {Opt_gc_background, "background_gc=%s"}, |
aff063e2 | 167 | {Opt_disable_roll_forward, "disable_roll_forward"}, |
2d834bf9 | 168 | {Opt_norecovery, "norecovery"}, |
aff063e2 | 169 | {Opt_discard, "discard"}, |
64058be9 | 170 | {Opt_nodiscard, "nodiscard"}, |
aff063e2 | 171 | {Opt_noheap, "no_heap"}, |
7a20b8a6 | 172 | {Opt_heap, "heap"}, |
4058c511 | 173 | {Opt_user_xattr, "user_xattr"}, |
aff063e2 | 174 | {Opt_nouser_xattr, "nouser_xattr"}, |
4058c511 | 175 | {Opt_acl, "acl"}, |
aff063e2 JK |
176 | {Opt_noacl, "noacl"}, |
177 | {Opt_active_logs, "active_logs=%u"}, | |
178 | {Opt_disable_ext_identify, "disable_ext_identify"}, | |
444c580f | 179 | {Opt_inline_xattr, "inline_xattr"}, |
23cf7212 | 180 | {Opt_noinline_xattr, "noinline_xattr"}, |
6afc662e | 181 | {Opt_inline_xattr_size, "inline_xattr_size=%u"}, |
8274de77 | 182 | {Opt_inline_data, "inline_data"}, |
5efd3c6f | 183 | {Opt_inline_dentry, "inline_dentry"}, |
97c1794a | 184 | {Opt_noinline_dentry, "noinline_dentry"}, |
6b4afdd7 | 185 | {Opt_flush_merge, "flush_merge"}, |
69e9e427 | 186 | {Opt_noflush_merge, "noflush_merge"}, |
0f7b2abd | 187 | {Opt_nobarrier, "nobarrier"}, |
d5053a34 | 188 | {Opt_fastboot, "fastboot"}, |
89672159 | 189 | {Opt_extent_cache, "extent_cache"}, |
7daaea25 | 190 | {Opt_noextent_cache, "noextent_cache"}, |
75342797 | 191 | {Opt_noinline_data, "noinline_data"}, |
343f40f0 | 192 | {Opt_data_flush, "data_flush"}, |
7e65be49 | 193 | {Opt_reserve_root, "reserve_root=%u"}, |
7c2e5963 JK |
194 | {Opt_resgid, "resgid=%u"}, |
195 | {Opt_resuid, "resuid=%u"}, | |
36abef4e | 196 | {Opt_mode, "mode=%s"}, |
ec91538d | 197 | {Opt_io_size_bits, "io_bits=%u"}, |
73faec4d | 198 | {Opt_fault_injection, "fault_injection=%u"}, |
d494500a | 199 | {Opt_fault_type, "fault_type=%u"}, |
6d94c74a JK |
200 | {Opt_lazytime, "lazytime"}, |
201 | {Opt_nolazytime, "nolazytime"}, | |
4b2414d0 CY |
202 | {Opt_quota, "quota"}, |
203 | {Opt_noquota, "noquota"}, | |
0abd675e CY |
204 | {Opt_usrquota, "usrquota"}, |
205 | {Opt_grpquota, "grpquota"}, | |
5c57132e | 206 | {Opt_prjquota, "prjquota"}, |
4b2414d0 CY |
207 | {Opt_usrjquota, "usrjquota=%s"}, |
208 | {Opt_grpjquota, "grpjquota=%s"}, | |
209 | {Opt_prjjquota, "prjjquota=%s"}, | |
210 | {Opt_offusrjquota, "usrjquota="}, | |
211 | {Opt_offgrpjquota, "grpjquota="}, | |
212 | {Opt_offprjjquota, "prjjquota="}, | |
213 | {Opt_jqfmt_vfsold, "jqfmt=vfsold"}, | |
214 | {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"}, | |
215 | {Opt_jqfmt_vfsv1, "jqfmt=vfsv1"}, | |
07939627 | 216 | {Opt_alloc, "alloc_mode=%s"}, |
93cf93f1 | 217 | {Opt_fsync, "fsync_mode=%s"}, |
ed318a6c | 218 | {Opt_test_dummy_encryption, "test_dummy_encryption=%s"}, |
ff62af20 | 219 | {Opt_test_dummy_encryption, "test_dummy_encryption"}, |
27aacd28 | 220 | {Opt_inlinecrypt, "inlinecrypt"}, |
4d3aed70 DR |
221 | {Opt_checkpoint_disable, "checkpoint=disable"}, |
222 | {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, | |
223 | {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, | |
224 | {Opt_checkpoint_enable, "checkpoint=enable"}, | |
261eeb9c DJ |
225 | {Opt_checkpoint_merge, "checkpoint_merge"}, |
226 | {Opt_nocheckpoint_merge, "nocheckpoint_merge"}, | |
4c8ff709 CY |
227 | {Opt_compress_algorithm, "compress_algorithm=%s"}, |
228 | {Opt_compress_log_size, "compress_log_size=%u"}, | |
229 | {Opt_compress_extension, "compress_extension=%s"}, | |
151b1982 | 230 | {Opt_nocompress_extension, "nocompress_extension=%s"}, |
b28f047b | 231 | {Opt_compress_chksum, "compress_chksum"}, |
602a16d5 | 232 | {Opt_compress_mode, "compress_mode=%s"}, |
6ce19aff | 233 | {Opt_compress_cache, "compress_cache"}, |
093749e2 | 234 | {Opt_atgc, "atgc"}, |
5911d2d1 CY |
235 | {Opt_gc_merge, "gc_merge"}, |
236 | {Opt_nogc_merge, "nogc_merge"}, | |
4f993264 | 237 | {Opt_discard_unit, "discard_unit=%s"}, |
aff063e2 JK |
238 | {Opt_err, NULL}, |
239 | }; | |
240 | ||
dcbb4c10 | 241 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) |
a07ef784 NJ |
242 | { |
243 | struct va_format vaf; | |
244 | va_list args; | |
dcbb4c10 | 245 | int level; |
a07ef784 NJ |
246 | |
247 | va_start(args, fmt); | |
dcbb4c10 JP |
248 | |
249 | level = printk_get_level(fmt); | |
250 | vaf.fmt = printk_skip_level(fmt); | |
a07ef784 | 251 | vaf.va = &args; |
dcbb4c10 JP |
252 | printk("%c%cF2FS-fs (%s): %pV\n", |
253 | KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); | |
254 | ||
a07ef784 NJ |
255 | va_end(args); |
256 | } | |
257 | ||
5298d4bf | 258 | #if IS_ENABLED(CONFIG_UNICODE) |
5aba5430 DR |
259 | static const struct f2fs_sb_encodings { |
260 | __u16 magic; | |
261 | char *name; | |
49bd03cc | 262 | unsigned int version; |
5aba5430 | 263 | } f2fs_sb_encoding_map[] = { |
49bd03cc | 264 | {F2FS_ENC_UTF8_12_1, "utf8", UNICODE_AGE(12, 1, 0)}, |
5aba5430 DR |
265 | }; |
266 | ||
86e80575 CH |
267 | static const struct f2fs_sb_encodings * |
268 | f2fs_sb_read_encoding(const struct f2fs_super_block *sb) | |
5aba5430 DR |
269 | { |
270 | __u16 magic = le16_to_cpu(sb->s_encoding); | |
271 | int i; | |
272 | ||
273 | for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++) | |
274 | if (magic == f2fs_sb_encoding_map[i].magic) | |
86e80575 | 275 | return &f2fs_sb_encoding_map[i]; |
5aba5430 | 276 | |
86e80575 | 277 | return NULL; |
5aba5430 | 278 | } |
4d9a2bb1 CY |
279 | |
280 | struct kmem_cache *f2fs_cf_name_slab; | |
281 | static int __init f2fs_create_casefold_cache(void) | |
282 | { | |
283 | f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name", | |
284 | F2FS_NAME_LEN); | |
285 | if (!f2fs_cf_name_slab) | |
286 | return -ENOMEM; | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static void f2fs_destroy_casefold_cache(void) | |
291 | { | |
292 | kmem_cache_destroy(f2fs_cf_name_slab); | |
293 | } | |
294 | #else | |
295 | static int __init f2fs_create_casefold_cache(void) { return 0; } | |
296 | static void f2fs_destroy_casefold_cache(void) { } | |
5aba5430 DR |
297 | #endif |
298 | ||
7e65be49 JK |
299 | static inline void limit_reserve_root(struct f2fs_sb_info *sbi) |
300 | { | |
9a9aecaa DR |
301 | block_t limit = min((sbi->user_block_count << 1) / 1000, |
302 | sbi->user_block_count - sbi->reserved_blocks); | |
7e65be49 JK |
303 | |
304 | /* limit is 0.2% */ | |
63189b78 CY |
305 | if (test_opt(sbi, RESERVE_ROOT) && |
306 | F2FS_OPTION(sbi).root_reserved_blocks > limit) { | |
307 | F2FS_OPTION(sbi).root_reserved_blocks = limit; | |
dcbb4c10 JP |
308 | f2fs_info(sbi, "Reduce reserved blocks for root = %u", |
309 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 310 | } |
7c2e5963 | 311 | if (!test_opt(sbi, RESERVE_ROOT) && |
63189b78 | 312 | (!uid_eq(F2FS_OPTION(sbi).s_resuid, |
7c2e5963 | 313 | make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || |
63189b78 | 314 | !gid_eq(F2FS_OPTION(sbi).s_resgid, |
7c2e5963 | 315 | make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) |
dcbb4c10 JP |
316 | f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", |
317 | from_kuid_munged(&init_user_ns, | |
318 | F2FS_OPTION(sbi).s_resuid), | |
319 | from_kgid_munged(&init_user_ns, | |
320 | F2FS_OPTION(sbi).s_resgid)); | |
7e65be49 JK |
321 | } |
322 | ||
300a8429 CY |
323 | static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi) |
324 | { | |
325 | unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec; | |
326 | unsigned int avg_vblocks; | |
327 | unsigned int wanted_reserved_segments; | |
328 | block_t avail_user_block_count; | |
329 | ||
330 | if (!F2FS_IO_ALIGNED(sbi)) | |
331 | return 0; | |
332 | ||
333 | /* average valid block count in section in worst case */ | |
334 | avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi); | |
335 | ||
336 | /* | |
337 | * we need enough free space when migrating one section in worst case | |
338 | */ | |
339 | wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) * | |
340 | reserved_segments(sbi); | |
341 | wanted_reserved_segments -= reserved_segments(sbi); | |
342 | ||
343 | avail_user_block_count = sbi->user_block_count - | |
344 | sbi->current_reserved_blocks - | |
345 | F2FS_OPTION(sbi).root_reserved_blocks; | |
346 | ||
347 | if (wanted_reserved_segments * sbi->blocks_per_seg > | |
348 | avail_user_block_count) { | |
349 | f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u", | |
350 | wanted_reserved_segments, | |
351 | avail_user_block_count >> sbi->log_blocks_per_seg); | |
352 | return -ENOSPC; | |
353 | } | |
354 | ||
355 | SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments; | |
356 | ||
357 | f2fs_info(sbi, "IO align feature needs additional reserved segment: %u", | |
358 | wanted_reserved_segments); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
1ae18f71 JK |
363 | static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) |
364 | { | |
365 | if (!F2FS_OPTION(sbi).unusable_cap_perc) | |
366 | return; | |
367 | ||
368 | if (F2FS_OPTION(sbi).unusable_cap_perc == 100) | |
369 | F2FS_OPTION(sbi).unusable_cap = sbi->user_block_count; | |
370 | else | |
371 | F2FS_OPTION(sbi).unusable_cap = (sbi->user_block_count / 100) * | |
372 | F2FS_OPTION(sbi).unusable_cap_perc; | |
373 | ||
374 | f2fs_info(sbi, "Adjust unusable cap for checkpoint=disable = %u / %u%%", | |
375 | F2FS_OPTION(sbi).unusable_cap, | |
376 | F2FS_OPTION(sbi).unusable_cap_perc); | |
377 | } | |
378 | ||
aff063e2 JK |
379 | static void init_once(void *foo) |
380 | { | |
381 | struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; | |
382 | ||
aff063e2 JK |
383 | inode_init_once(&fi->vfs_inode); |
384 | } | |
385 | ||
4b2414d0 CY |
386 | #ifdef CONFIG_QUOTA |
387 | static const char * const quotatypes[] = INITQFNAMES; | |
388 | #define QTYPE2NAME(t) (quotatypes[t]) | |
389 | static int f2fs_set_qf_name(struct super_block *sb, int qtype, | |
390 | substring_t *args) | |
391 | { | |
392 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
393 | char *qname; | |
394 | int ret = -EINVAL; | |
395 | ||
63189b78 | 396 | if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 397 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
398 | return -EINVAL; |
399 | } | |
7beb01f7 | 400 | if (f2fs_sb_has_quota_ino(sbi)) { |
dcbb4c10 | 401 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); |
ea676733 JK |
402 | return 0; |
403 | } | |
404 | ||
4b2414d0 CY |
405 | qname = match_strdup(args); |
406 | if (!qname) { | |
dcbb4c10 | 407 | f2fs_err(sbi, "Not enough memory for storing quotafile name"); |
f365c6cc | 408 | return -ENOMEM; |
4b2414d0 | 409 | } |
63189b78 CY |
410 | if (F2FS_OPTION(sbi).s_qf_names[qtype]) { |
411 | if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) | |
4b2414d0 CY |
412 | ret = 0; |
413 | else | |
dcbb4c10 | 414 | f2fs_err(sbi, "%s quota file already specified", |
4b2414d0 CY |
415 | QTYPE2NAME(qtype)); |
416 | goto errout; | |
417 | } | |
418 | if (strchr(qname, '/')) { | |
dcbb4c10 | 419 | f2fs_err(sbi, "quotafile must be on filesystem root"); |
4b2414d0 CY |
420 | goto errout; |
421 | } | |
63189b78 | 422 | F2FS_OPTION(sbi).s_qf_names[qtype] = qname; |
4b2414d0 CY |
423 | set_opt(sbi, QUOTA); |
424 | return 0; | |
425 | errout: | |
ba87a45c | 426 | kfree(qname); |
4b2414d0 CY |
427 | return ret; |
428 | } | |
429 | ||
430 | static int f2fs_clear_qf_name(struct super_block *sb, int qtype) | |
431 | { | |
432 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
433 | ||
63189b78 | 434 | if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { |
dcbb4c10 | 435 | f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); |
4b2414d0 CY |
436 | return -EINVAL; |
437 | } | |
ba87a45c | 438 | kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); |
63189b78 | 439 | F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; |
4b2414d0 CY |
440 | return 0; |
441 | } | |
442 | ||
443 | static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) | |
444 | { | |
445 | /* | |
446 | * We do the test below only for project quotas. 'usrquota' and | |
447 | * 'grpquota' mount options are allowed even without quota feature | |
448 | * to support legacy quotas in quota files. | |
449 | */ | |
7beb01f7 | 450 | if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { |
dcbb4c10 | 451 | f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); |
4b2414d0 CY |
452 | return -1; |
453 | } | |
63189b78 CY |
454 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || |
455 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
456 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) { | |
457 | if (test_opt(sbi, USRQUOTA) && | |
458 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) | |
4b2414d0 CY |
459 | clear_opt(sbi, USRQUOTA); |
460 | ||
63189b78 CY |
461 | if (test_opt(sbi, GRPQUOTA) && |
462 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) | |
4b2414d0 CY |
463 | clear_opt(sbi, GRPQUOTA); |
464 | ||
63189b78 CY |
465 | if (test_opt(sbi, PRJQUOTA) && |
466 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4b2414d0 CY |
467 | clear_opt(sbi, PRJQUOTA); |
468 | ||
469 | if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || | |
470 | test_opt(sbi, PRJQUOTA)) { | |
dcbb4c10 | 471 | f2fs_err(sbi, "old and new quota format mixing"); |
4b2414d0 CY |
472 | return -1; |
473 | } | |
474 | ||
63189b78 | 475 | if (!F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 476 | f2fs_err(sbi, "journaled quota format not specified"); |
4b2414d0 CY |
477 | return -1; |
478 | } | |
479 | } | |
ea676733 | 480 | |
7beb01f7 | 481 | if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { |
dcbb4c10 | 482 | f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); |
63189b78 | 483 | F2FS_OPTION(sbi).s_jquota_fmt = 0; |
ea676733 | 484 | } |
4b2414d0 CY |
485 | return 0; |
486 | } | |
487 | #endif | |
488 | ||
ed318a6c EB |
489 | static int f2fs_set_test_dummy_encryption(struct super_block *sb, |
490 | const char *opt, | |
491 | const substring_t *arg, | |
492 | bool is_remount) | |
493 | { | |
494 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
495 | #ifdef CONFIG_FS_ENCRYPTION | |
496 | int err; | |
497 | ||
498 | if (!f2fs_sb_has_encrypt(sbi)) { | |
499 | f2fs_err(sbi, "Encrypt feature is off"); | |
500 | return -EINVAL; | |
501 | } | |
502 | ||
503 | /* | |
504 | * This mount option is just for testing, and it's not worthwhile to | |
505 | * implement the extra complexity (e.g. RCU protection) that would be | |
506 | * needed to allow it to be set or changed during remount. We do allow | |
507 | * it to be specified during remount, but only if there is no change. | |
508 | */ | |
ac4acb1f | 509 | if (is_remount && !F2FS_OPTION(sbi).dummy_enc_policy.policy) { |
ed318a6c EB |
510 | f2fs_warn(sbi, "Can't set test_dummy_encryption on remount"); |
511 | return -EINVAL; | |
512 | } | |
513 | err = fscrypt_set_test_dummy_encryption( | |
c8c868ab | 514 | sb, arg->from, &F2FS_OPTION(sbi).dummy_enc_policy); |
ed318a6c EB |
515 | if (err) { |
516 | if (err == -EEXIST) | |
517 | f2fs_warn(sbi, | |
518 | "Can't change test_dummy_encryption on remount"); | |
519 | else if (err == -EINVAL) | |
520 | f2fs_warn(sbi, "Value of option \"%s\" is unrecognized", | |
521 | opt); | |
522 | else | |
523 | f2fs_warn(sbi, "Error processing option \"%s\" [%d]", | |
524 | opt, err); | |
525 | return -EINVAL; | |
526 | } | |
527 | f2fs_warn(sbi, "Test dummy encryption mode enabled"); | |
528 | #else | |
529 | f2fs_warn(sbi, "Test dummy encryption mount option ignored"); | |
530 | #endif | |
531 | return 0; | |
532 | } | |
533 | ||
3fde13f8 | 534 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
151b1982 FC |
535 | /* |
536 | * 1. The same extension name cannot not appear in both compress and non-compress extension | |
537 | * at the same time. | |
538 | * 2. If the compress extension specifies all files, the types specified by the non-compress | |
539 | * extension will be treated as special cases and will not be compressed. | |
540 | * 3. Don't allow the non-compress extension specifies all files. | |
541 | */ | |
542 | static int f2fs_test_compress_extension(struct f2fs_sb_info *sbi) | |
543 | { | |
544 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; | |
545 | unsigned char (*noext)[F2FS_EXTENSION_LEN]; | |
546 | int ext_cnt, noext_cnt, index = 0, no_index = 0; | |
547 | ||
548 | ext = F2FS_OPTION(sbi).extensions; | |
549 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
550 | noext = F2FS_OPTION(sbi).noextensions; | |
551 | noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt; | |
552 | ||
553 | if (!noext_cnt) | |
554 | return 0; | |
555 | ||
556 | for (no_index = 0; no_index < noext_cnt; no_index++) { | |
557 | if (!strcasecmp("*", noext[no_index])) { | |
558 | f2fs_info(sbi, "Don't allow the nocompress extension specifies all files"); | |
559 | return -EINVAL; | |
560 | } | |
561 | for (index = 0; index < ext_cnt; index++) { | |
562 | if (!strcasecmp(ext[index], noext[no_index])) { | |
563 | f2fs_info(sbi, "Don't allow the same extension %s appear in both compress and nocompress extension", | |
564 | ext[index]); | |
565 | return -EINVAL; | |
566 | } | |
567 | } | |
568 | } | |
569 | return 0; | |
570 | } | |
571 | ||
3fde13f8 CY |
572 | #ifdef CONFIG_F2FS_FS_LZ4 |
573 | static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) | |
574 | { | |
575 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
576 | unsigned int level; | |
577 | #endif | |
578 | ||
579 | if (strlen(str) == 3) { | |
580 | F2FS_OPTION(sbi).compress_level = 0; | |
581 | return 0; | |
582 | } | |
583 | ||
584 | #ifdef CONFIG_F2FS_FS_LZ4HC | |
585 | str += 3; | |
586 | ||
587 | if (str[0] != ':') { | |
588 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
589 | return -EINVAL; | |
590 | } | |
591 | if (kstrtouint(str + 1, 10, &level)) | |
592 | return -EINVAL; | |
593 | ||
594 | if (level < LZ4HC_MIN_CLEVEL || level > LZ4HC_MAX_CLEVEL) { | |
595 | f2fs_info(sbi, "invalid lz4hc compress level: %d", level); | |
596 | return -EINVAL; | |
597 | } | |
598 | ||
599 | F2FS_OPTION(sbi).compress_level = level; | |
600 | return 0; | |
601 | #else | |
602 | f2fs_info(sbi, "kernel doesn't support lz4hc compression"); | |
603 | return -EINVAL; | |
604 | #endif | |
605 | } | |
606 | #endif | |
607 | ||
608 | #ifdef CONFIG_F2FS_FS_ZSTD | |
609 | static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str) | |
610 | { | |
611 | unsigned int level; | |
612 | int len = 4; | |
613 | ||
614 | if (strlen(str) == len) { | |
615 | F2FS_OPTION(sbi).compress_level = 0; | |
616 | return 0; | |
617 | } | |
618 | ||
619 | str += len; | |
620 | ||
621 | if (str[0] != ':') { | |
622 | f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>"); | |
623 | return -EINVAL; | |
624 | } | |
625 | if (kstrtouint(str + 1, 10, &level)) | |
626 | return -EINVAL; | |
627 | ||
cf30f6a5 | 628 | if (!level || level > zstd_max_clevel()) { |
3fde13f8 CY |
629 | f2fs_info(sbi, "invalid zstd compress level: %d", level); |
630 | return -EINVAL; | |
631 | } | |
632 | ||
633 | F2FS_OPTION(sbi).compress_level = level; | |
634 | return 0; | |
635 | } | |
636 | #endif | |
637 | #endif | |
638 | ||
ed318a6c | 639 | static int parse_options(struct super_block *sb, char *options, bool is_remount) |
696c018c NJ |
640 | { |
641 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
642 | substring_t args[MAX_OPT_ARGS]; | |
1f0b067b | 643 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 644 | unsigned char (*ext)[F2FS_EXTENSION_LEN]; |
151b1982 FC |
645 | unsigned char (*noext)[F2FS_EXTENSION_LEN]; |
646 | int ext_cnt, noext_cnt; | |
1f0b067b | 647 | #endif |
696c018c | 648 | char *p, *name; |
1f0b067b | 649 | int arg = 0; |
7c2e5963 JK |
650 | kuid_t uid; |
651 | kgid_t gid; | |
4b2414d0 | 652 | int ret; |
696c018c NJ |
653 | |
654 | if (!options) | |
a7d9fe3c | 655 | goto default_check; |
696c018c NJ |
656 | |
657 | while ((p = strsep(&options, ",")) != NULL) { | |
658 | int token; | |
5f029c04 | 659 | |
696c018c NJ |
660 | if (!*p) |
661 | continue; | |
662 | /* | |
663 | * Initialize args struct so we know whether arg was | |
664 | * found; some options take optional arguments. | |
665 | */ | |
666 | args[0].to = args[0].from = NULL; | |
667 | token = match_token(p, f2fs_tokens, args); | |
668 | ||
669 | switch (token) { | |
670 | case Opt_gc_background: | |
671 | name = match_strdup(&args[0]); | |
672 | ||
673 | if (!name) | |
674 | return -ENOMEM; | |
3c57f751 | 675 | if (!strcmp(name, "on")) { |
bbbc34fd | 676 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
3c57f751 | 677 | } else if (!strcmp(name, "off")) { |
bbbc34fd | 678 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF; |
3c57f751 | 679 | } else if (!strcmp(name, "sync")) { |
bbbc34fd | 680 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC; |
6aefd93b | 681 | } else { |
ba87a45c | 682 | kfree(name); |
696c018c NJ |
683 | return -EINVAL; |
684 | } | |
ba87a45c | 685 | kfree(name); |
696c018c NJ |
686 | break; |
687 | case Opt_disable_roll_forward: | |
688 | set_opt(sbi, DISABLE_ROLL_FORWARD); | |
689 | break; | |
2d834bf9 JK |
690 | case Opt_norecovery: |
691 | /* this option mounts f2fs with ro */ | |
a9117eca | 692 | set_opt(sbi, NORECOVERY); |
2d834bf9 JK |
693 | if (!f2fs_readonly(sb)) |
694 | return -EINVAL; | |
695 | break; | |
696c018c | 696 | case Opt_discard: |
f7db8dd6 CY |
697 | if (!f2fs_hw_support_discard(sbi)) { |
698 | f2fs_warn(sbi, "device does not support discard"); | |
699 | break; | |
700 | } | |
7d20c8ab | 701 | set_opt(sbi, DISCARD); |
696c018c | 702 | break; |
64058be9 | 703 | case Opt_nodiscard: |
f7db8dd6 | 704 | if (f2fs_hw_should_discard(sbi)) { |
dcbb4c10 | 705 | f2fs_warn(sbi, "discard is required for zoned block devices"); |
96ba2dec DLM |
706 | return -EINVAL; |
707 | } | |
64058be9 | 708 | clear_opt(sbi, DISCARD); |
487df616 | 709 | break; |
696c018c NJ |
710 | case Opt_noheap: |
711 | set_opt(sbi, NOHEAP); | |
712 | break; | |
7a20b8a6 JK |
713 | case Opt_heap: |
714 | clear_opt(sbi, NOHEAP); | |
715 | break; | |
696c018c | 716 | #ifdef CONFIG_F2FS_FS_XATTR |
4058c511 KA |
717 | case Opt_user_xattr: |
718 | set_opt(sbi, XATTR_USER); | |
719 | break; | |
696c018c NJ |
720 | case Opt_nouser_xattr: |
721 | clear_opt(sbi, XATTR_USER); | |
722 | break; | |
444c580f JK |
723 | case Opt_inline_xattr: |
724 | set_opt(sbi, INLINE_XATTR); | |
725 | break; | |
23cf7212 CY |
726 | case Opt_noinline_xattr: |
727 | clear_opt(sbi, INLINE_XATTR); | |
728 | break; | |
6afc662e CY |
729 | case Opt_inline_xattr_size: |
730 | if (args->from && match_int(args, &arg)) | |
731 | return -EINVAL; | |
732 | set_opt(sbi, INLINE_XATTR_SIZE); | |
63189b78 | 733 | F2FS_OPTION(sbi).inline_xattr_size = arg; |
6afc662e | 734 | break; |
696c018c | 735 | #else |
4058c511 | 736 | case Opt_user_xattr: |
dcbb4c10 | 737 | f2fs_info(sbi, "user_xattr options not supported"); |
4058c511 | 738 | break; |
696c018c | 739 | case Opt_nouser_xattr: |
dcbb4c10 | 740 | f2fs_info(sbi, "nouser_xattr options not supported"); |
696c018c | 741 | break; |
444c580f | 742 | case Opt_inline_xattr: |
dcbb4c10 | 743 | f2fs_info(sbi, "inline_xattr options not supported"); |
444c580f | 744 | break; |
23cf7212 | 745 | case Opt_noinline_xattr: |
dcbb4c10 | 746 | f2fs_info(sbi, "noinline_xattr options not supported"); |
23cf7212 | 747 | break; |
696c018c NJ |
748 | #endif |
749 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
4058c511 KA |
750 | case Opt_acl: |
751 | set_opt(sbi, POSIX_ACL); | |
752 | break; | |
696c018c NJ |
753 | case Opt_noacl: |
754 | clear_opt(sbi, POSIX_ACL); | |
755 | break; | |
756 | #else | |
4058c511 | 757 | case Opt_acl: |
dcbb4c10 | 758 | f2fs_info(sbi, "acl options not supported"); |
4058c511 | 759 | break; |
696c018c | 760 | case Opt_noacl: |
dcbb4c10 | 761 | f2fs_info(sbi, "noacl options not supported"); |
696c018c NJ |
762 | break; |
763 | #endif | |
764 | case Opt_active_logs: | |
765 | if (args->from && match_int(args, &arg)) | |
766 | return -EINVAL; | |
d0b9e42a CY |
767 | if (arg != 2 && arg != 4 && |
768 | arg != NR_CURSEG_PERSIST_TYPE) | |
696c018c | 769 | return -EINVAL; |
63189b78 | 770 | F2FS_OPTION(sbi).active_logs = arg; |
696c018c NJ |
771 | break; |
772 | case Opt_disable_ext_identify: | |
773 | set_opt(sbi, DISABLE_EXT_IDENTIFY); | |
774 | break; | |
8274de77 HL |
775 | case Opt_inline_data: |
776 | set_opt(sbi, INLINE_DATA); | |
777 | break; | |
5efd3c6f CY |
778 | case Opt_inline_dentry: |
779 | set_opt(sbi, INLINE_DENTRY); | |
780 | break; | |
97c1794a CY |
781 | case Opt_noinline_dentry: |
782 | clear_opt(sbi, INLINE_DENTRY); | |
783 | break; | |
6b4afdd7 JK |
784 | case Opt_flush_merge: |
785 | set_opt(sbi, FLUSH_MERGE); | |
786 | break; | |
69e9e427 JK |
787 | case Opt_noflush_merge: |
788 | clear_opt(sbi, FLUSH_MERGE); | |
789 | break; | |
0f7b2abd JK |
790 | case Opt_nobarrier: |
791 | set_opt(sbi, NOBARRIER); | |
792 | break; | |
d5053a34 JK |
793 | case Opt_fastboot: |
794 | set_opt(sbi, FASTBOOT); | |
795 | break; | |
89672159 CY |
796 | case Opt_extent_cache: |
797 | set_opt(sbi, EXTENT_CACHE); | |
798 | break; | |
7daaea25 JK |
799 | case Opt_noextent_cache: |
800 | clear_opt(sbi, EXTENT_CACHE); | |
801 | break; | |
75342797 WL |
802 | case Opt_noinline_data: |
803 | clear_opt(sbi, INLINE_DATA); | |
804 | break; | |
343f40f0 CY |
805 | case Opt_data_flush: |
806 | set_opt(sbi, DATA_FLUSH); | |
807 | break; | |
7e65be49 JK |
808 | case Opt_reserve_root: |
809 | if (args->from && match_int(args, &arg)) | |
810 | return -EINVAL; | |
811 | if (test_opt(sbi, RESERVE_ROOT)) { | |
dcbb4c10 JP |
812 | f2fs_info(sbi, "Preserve previous reserve_root=%u", |
813 | F2FS_OPTION(sbi).root_reserved_blocks); | |
7e65be49 | 814 | } else { |
63189b78 | 815 | F2FS_OPTION(sbi).root_reserved_blocks = arg; |
7e65be49 JK |
816 | set_opt(sbi, RESERVE_ROOT); |
817 | } | |
818 | break; | |
7c2e5963 JK |
819 | case Opt_resuid: |
820 | if (args->from && match_int(args, &arg)) | |
821 | return -EINVAL; | |
822 | uid = make_kuid(current_user_ns(), arg); | |
823 | if (!uid_valid(uid)) { | |
dcbb4c10 | 824 | f2fs_err(sbi, "Invalid uid value %d", arg); |
7c2e5963 JK |
825 | return -EINVAL; |
826 | } | |
63189b78 | 827 | F2FS_OPTION(sbi).s_resuid = uid; |
7c2e5963 JK |
828 | break; |
829 | case Opt_resgid: | |
830 | if (args->from && match_int(args, &arg)) | |
831 | return -EINVAL; | |
832 | gid = make_kgid(current_user_ns(), arg); | |
833 | if (!gid_valid(gid)) { | |
dcbb4c10 | 834 | f2fs_err(sbi, "Invalid gid value %d", arg); |
7c2e5963 JK |
835 | return -EINVAL; |
836 | } | |
63189b78 | 837 | F2FS_OPTION(sbi).s_resgid = gid; |
7c2e5963 | 838 | break; |
36abef4e JK |
839 | case Opt_mode: |
840 | name = match_strdup(&args[0]); | |
841 | ||
842 | if (!name) | |
843 | return -ENOMEM; | |
3c57f751 | 844 | if (!strcmp(name, "adaptive")) { |
7beb01f7 | 845 | if (f2fs_sb_has_blkzoned(sbi)) { |
dcbb4c10 | 846 | f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); |
ba87a45c | 847 | kfree(name); |
3adc57e9 DLM |
848 | return -EINVAL; |
849 | } | |
b0332a0f | 850 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
3c57f751 | 851 | } else if (!strcmp(name, "lfs")) { |
b0332a0f | 852 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
6691d940 DJ |
853 | } else if (!strcmp(name, "fragment:segment")) { |
854 | F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_SEG; | |
855 | } else if (!strcmp(name, "fragment:block")) { | |
856 | F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_BLK; | |
36abef4e | 857 | } else { |
ba87a45c | 858 | kfree(name); |
36abef4e JK |
859 | return -EINVAL; |
860 | } | |
ba87a45c | 861 | kfree(name); |
36abef4e | 862 | break; |
ec91538d JK |
863 | case Opt_io_size_bits: |
864 | if (args->from && match_int(args, &arg)) | |
865 | return -EINVAL; | |
a8affc03 | 866 | if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) { |
dcbb4c10 | 867 | f2fs_warn(sbi, "Not support %d, larger than %d", |
a8affc03 | 868 | 1 << arg, BIO_MAX_VECS); |
ec91538d JK |
869 | return -EINVAL; |
870 | } | |
63189b78 | 871 | F2FS_OPTION(sbi).write_io_size_bits = arg; |
ec91538d | 872 | break; |
4cb037ec | 873 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
73faec4d JK |
874 | case Opt_fault_injection: |
875 | if (args->from && match_int(args, &arg)) | |
876 | return -EINVAL; | |
d494500a CY |
877 | f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); |
878 | set_opt(sbi, FAULT_INJECTION); | |
d494500a | 879 | break; |
4cb037ec | 880 | |
d494500a CY |
881 | case Opt_fault_type: |
882 | if (args->from && match_int(args, &arg)) | |
883 | return -EINVAL; | |
d494500a | 884 | f2fs_build_fault_attr(sbi, 0, arg); |
0cc0dec2 | 885 | set_opt(sbi, FAULT_INJECTION); |
4cb037ec | 886 | break; |
73faec4d | 887 | #else |
4cb037ec | 888 | case Opt_fault_injection: |
dcbb4c10 | 889 | f2fs_info(sbi, "fault_injection options not supported"); |
73faec4d | 890 | break; |
4cb037ec CX |
891 | |
892 | case Opt_fault_type: | |
dcbb4c10 | 893 | f2fs_info(sbi, "fault_type options not supported"); |
4cb037ec CX |
894 | break; |
895 | #endif | |
6d94c74a | 896 | case Opt_lazytime: |
1751e8a6 | 897 | sb->s_flags |= SB_LAZYTIME; |
6d94c74a JK |
898 | break; |
899 | case Opt_nolazytime: | |
1751e8a6 | 900 | sb->s_flags &= ~SB_LAZYTIME; |
6d94c74a | 901 | break; |
0abd675e | 902 | #ifdef CONFIG_QUOTA |
4b2414d0 | 903 | case Opt_quota: |
0abd675e CY |
904 | case Opt_usrquota: |
905 | set_opt(sbi, USRQUOTA); | |
906 | break; | |
907 | case Opt_grpquota: | |
908 | set_opt(sbi, GRPQUOTA); | |
909 | break; | |
5c57132e CY |
910 | case Opt_prjquota: |
911 | set_opt(sbi, PRJQUOTA); | |
912 | break; | |
4b2414d0 CY |
913 | case Opt_usrjquota: |
914 | ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]); | |
915 | if (ret) | |
916 | return ret; | |
917 | break; | |
918 | case Opt_grpjquota: | |
919 | ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]); | |
920 | if (ret) | |
921 | return ret; | |
922 | break; | |
923 | case Opt_prjjquota: | |
924 | ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]); | |
925 | if (ret) | |
926 | return ret; | |
927 | break; | |
928 | case Opt_offusrjquota: | |
929 | ret = f2fs_clear_qf_name(sb, USRQUOTA); | |
930 | if (ret) | |
931 | return ret; | |
932 | break; | |
933 | case Opt_offgrpjquota: | |
934 | ret = f2fs_clear_qf_name(sb, GRPQUOTA); | |
935 | if (ret) | |
936 | return ret; | |
937 | break; | |
938 | case Opt_offprjjquota: | |
939 | ret = f2fs_clear_qf_name(sb, PRJQUOTA); | |
940 | if (ret) | |
941 | return ret; | |
942 | break; | |
943 | case Opt_jqfmt_vfsold: | |
63189b78 | 944 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD; |
4b2414d0 CY |
945 | break; |
946 | case Opt_jqfmt_vfsv0: | |
63189b78 | 947 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0; |
4b2414d0 CY |
948 | break; |
949 | case Opt_jqfmt_vfsv1: | |
63189b78 | 950 | F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1; |
4b2414d0 CY |
951 | break; |
952 | case Opt_noquota: | |
953 | clear_opt(sbi, QUOTA); | |
954 | clear_opt(sbi, USRQUOTA); | |
955 | clear_opt(sbi, GRPQUOTA); | |
956 | clear_opt(sbi, PRJQUOTA); | |
957 | break; | |
0abd675e | 958 | #else |
4b2414d0 | 959 | case Opt_quota: |
0abd675e CY |
960 | case Opt_usrquota: |
961 | case Opt_grpquota: | |
5c57132e | 962 | case Opt_prjquota: |
4b2414d0 CY |
963 | case Opt_usrjquota: |
964 | case Opt_grpjquota: | |
965 | case Opt_prjjquota: | |
966 | case Opt_offusrjquota: | |
967 | case Opt_offgrpjquota: | |
968 | case Opt_offprjjquota: | |
969 | case Opt_jqfmt_vfsold: | |
970 | case Opt_jqfmt_vfsv0: | |
971 | case Opt_jqfmt_vfsv1: | |
972 | case Opt_noquota: | |
dcbb4c10 | 973 | f2fs_info(sbi, "quota operations not supported"); |
0abd675e CY |
974 | break; |
975 | #endif | |
07939627 JK |
976 | case Opt_alloc: |
977 | name = match_strdup(&args[0]); | |
978 | if (!name) | |
979 | return -ENOMEM; | |
980 | ||
3c57f751 | 981 | if (!strcmp(name, "default")) { |
63189b78 | 982 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
3c57f751 | 983 | } else if (!strcmp(name, "reuse")) { |
63189b78 | 984 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
07939627 | 985 | } else { |
ba87a45c | 986 | kfree(name); |
07939627 JK |
987 | return -EINVAL; |
988 | } | |
ba87a45c | 989 | kfree(name); |
07939627 | 990 | break; |
93cf93f1 JZ |
991 | case Opt_fsync: |
992 | name = match_strdup(&args[0]); | |
993 | if (!name) | |
994 | return -ENOMEM; | |
3c57f751 | 995 | if (!strcmp(name, "posix")) { |
63189b78 | 996 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; |
3c57f751 | 997 | } else if (!strcmp(name, "strict")) { |
63189b78 | 998 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT; |
3c57f751 | 999 | } else if (!strcmp(name, "nobarrier")) { |
d6290814 JK |
1000 | F2FS_OPTION(sbi).fsync_mode = |
1001 | FSYNC_MODE_NOBARRIER; | |
93cf93f1 | 1002 | } else { |
ba87a45c | 1003 | kfree(name); |
93cf93f1 JZ |
1004 | return -EINVAL; |
1005 | } | |
ba87a45c | 1006 | kfree(name); |
93cf93f1 | 1007 | break; |
ff62af20 | 1008 | case Opt_test_dummy_encryption: |
ed318a6c EB |
1009 | ret = f2fs_set_test_dummy_encryption(sb, p, &args[0], |
1010 | is_remount); | |
1011 | if (ret) | |
1012 | return ret; | |
ff62af20 | 1013 | break; |
27aacd28 ST |
1014 | case Opt_inlinecrypt: |
1015 | #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT | |
1016 | sb->s_flags |= SB_INLINECRYPT; | |
1017 | #else | |
1018 | f2fs_info(sbi, "inline encryption not supported"); | |
1019 | #endif | |
1020 | break; | |
4d3aed70 DR |
1021 | case Opt_checkpoint_disable_cap_perc: |
1022 | if (args->from && match_int(args, &arg)) | |
4354994f | 1023 | return -EINVAL; |
4d3aed70 DR |
1024 | if (arg < 0 || arg > 100) |
1025 | return -EINVAL; | |
1ae18f71 | 1026 | F2FS_OPTION(sbi).unusable_cap_perc = arg; |
4d3aed70 DR |
1027 | set_opt(sbi, DISABLE_CHECKPOINT); |
1028 | break; | |
1029 | case Opt_checkpoint_disable_cap: | |
1030 | if (args->from && match_int(args, &arg)) | |
1031 | return -EINVAL; | |
1032 | F2FS_OPTION(sbi).unusable_cap = arg; | |
1033 | set_opt(sbi, DISABLE_CHECKPOINT); | |
1034 | break; | |
1035 | case Opt_checkpoint_disable: | |
1036 | set_opt(sbi, DISABLE_CHECKPOINT); | |
1037 | break; | |
1038 | case Opt_checkpoint_enable: | |
1039 | clear_opt(sbi, DISABLE_CHECKPOINT); | |
4354994f | 1040 | break; |
261eeb9c DJ |
1041 | case Opt_checkpoint_merge: |
1042 | set_opt(sbi, MERGE_CHECKPOINT); | |
1043 | break; | |
1044 | case Opt_nocheckpoint_merge: | |
1045 | clear_opt(sbi, MERGE_CHECKPOINT); | |
1046 | break; | |
1f0b067b | 1047 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
1048 | case Opt_compress_algorithm: |
1049 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1050 | f2fs_info(sbi, "Image doesn't support compression"); |
1051 | break; | |
4c8ff709 CY |
1052 | } |
1053 | name = match_strdup(&args[0]); | |
1054 | if (!name) | |
1055 | return -ENOMEM; | |
3c57f751 | 1056 | if (!strcmp(name, "lzo")) { |
32be0e97 | 1057 | #ifdef CONFIG_F2FS_FS_LZO |
3fde13f8 | 1058 | F2FS_OPTION(sbi).compress_level = 0; |
4c8ff709 CY |
1059 | F2FS_OPTION(sbi).compress_algorithm = |
1060 | COMPRESS_LZO; | |
32be0e97 CY |
1061 | #else |
1062 | f2fs_info(sbi, "kernel doesn't support lzo compression"); | |
1063 | #endif | |
3fde13f8 | 1064 | } else if (!strncmp(name, "lz4", 3)) { |
32be0e97 | 1065 | #ifdef CONFIG_F2FS_FS_LZ4 |
3fde13f8 CY |
1066 | ret = f2fs_set_lz4hc_level(sbi, name); |
1067 | if (ret) { | |
1068 | kfree(name); | |
1069 | return -EINVAL; | |
1070 | } | |
4c8ff709 CY |
1071 | F2FS_OPTION(sbi).compress_algorithm = |
1072 | COMPRESS_LZ4; | |
32be0e97 CY |
1073 | #else |
1074 | f2fs_info(sbi, "kernel doesn't support lz4 compression"); | |
1075 | #endif | |
3fde13f8 | 1076 | } else if (!strncmp(name, "zstd", 4)) { |
32be0e97 | 1077 | #ifdef CONFIG_F2FS_FS_ZSTD |
3fde13f8 CY |
1078 | ret = f2fs_set_zstd_level(sbi, name); |
1079 | if (ret) { | |
1080 | kfree(name); | |
1081 | return -EINVAL; | |
1082 | } | |
50cfa66f CY |
1083 | F2FS_OPTION(sbi).compress_algorithm = |
1084 | COMPRESS_ZSTD; | |
32be0e97 CY |
1085 | #else |
1086 | f2fs_info(sbi, "kernel doesn't support zstd compression"); | |
1087 | #endif | |
6d92b201 | 1088 | } else if (!strcmp(name, "lzo-rle")) { |
32be0e97 | 1089 | #ifdef CONFIG_F2FS_FS_LZORLE |
3fde13f8 | 1090 | F2FS_OPTION(sbi).compress_level = 0; |
6d92b201 CY |
1091 | F2FS_OPTION(sbi).compress_algorithm = |
1092 | COMPRESS_LZORLE; | |
32be0e97 CY |
1093 | #else |
1094 | f2fs_info(sbi, "kernel doesn't support lzorle compression"); | |
1095 | #endif | |
4c8ff709 CY |
1096 | } else { |
1097 | kfree(name); | |
1098 | return -EINVAL; | |
1099 | } | |
1100 | kfree(name); | |
1101 | break; | |
1102 | case Opt_compress_log_size: | |
1103 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1104 | f2fs_info(sbi, "Image doesn't support compression"); |
1105 | break; | |
4c8ff709 CY |
1106 | } |
1107 | if (args->from && match_int(args, &arg)) | |
1108 | return -EINVAL; | |
1109 | if (arg < MIN_COMPRESS_LOG_SIZE || | |
1110 | arg > MAX_COMPRESS_LOG_SIZE) { | |
1111 | f2fs_err(sbi, | |
1112 | "Compress cluster log size is out of range"); | |
1113 | return -EINVAL; | |
1114 | } | |
1115 | F2FS_OPTION(sbi).compress_log_size = arg; | |
1116 | break; | |
1117 | case Opt_compress_extension: | |
1118 | if (!f2fs_sb_has_compression(sbi)) { | |
69c0dd29 CY |
1119 | f2fs_info(sbi, "Image doesn't support compression"); |
1120 | break; | |
4c8ff709 CY |
1121 | } |
1122 | name = match_strdup(&args[0]); | |
1123 | if (!name) | |
1124 | return -ENOMEM; | |
1125 | ||
1126 | ext = F2FS_OPTION(sbi).extensions; | |
1127 | ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
1128 | ||
1129 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
1130 | ext_cnt >= COMPRESS_EXT_NUM) { | |
1131 | f2fs_err(sbi, | |
1132 | "invalid extension length/number"); | |
1133 | kfree(name); | |
1134 | return -EINVAL; | |
1135 | } | |
1136 | ||
1137 | strcpy(ext[ext_cnt], name); | |
1138 | F2FS_OPTION(sbi).compress_ext_cnt++; | |
1139 | kfree(name); | |
1140 | break; | |
151b1982 FC |
1141 | case Opt_nocompress_extension: |
1142 | if (!f2fs_sb_has_compression(sbi)) { | |
1143 | f2fs_info(sbi, "Image doesn't support compression"); | |
1144 | break; | |
1145 | } | |
1146 | name = match_strdup(&args[0]); | |
1147 | if (!name) | |
1148 | return -ENOMEM; | |
1149 | ||
1150 | noext = F2FS_OPTION(sbi).noextensions; | |
1151 | noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt; | |
1152 | ||
1153 | if (strlen(name) >= F2FS_EXTENSION_LEN || | |
1154 | noext_cnt >= COMPRESS_EXT_NUM) { | |
1155 | f2fs_err(sbi, | |
1156 | "invalid extension length/number"); | |
1157 | kfree(name); | |
1158 | return -EINVAL; | |
1159 | } | |
1160 | ||
1161 | strcpy(noext[noext_cnt], name); | |
1162 | F2FS_OPTION(sbi).nocompress_ext_cnt++; | |
1163 | kfree(name); | |
1164 | break; | |
b28f047b CY |
1165 | case Opt_compress_chksum: |
1166 | F2FS_OPTION(sbi).compress_chksum = true; | |
1167 | break; | |
602a16d5 DJ |
1168 | case Opt_compress_mode: |
1169 | name = match_strdup(&args[0]); | |
1170 | if (!name) | |
1171 | return -ENOMEM; | |
1172 | if (!strcmp(name, "fs")) { | |
1173 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; | |
1174 | } else if (!strcmp(name, "user")) { | |
1175 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER; | |
1176 | } else { | |
1177 | kfree(name); | |
1178 | return -EINVAL; | |
1179 | } | |
1180 | kfree(name); | |
1181 | break; | |
6ce19aff CY |
1182 | case Opt_compress_cache: |
1183 | set_opt(sbi, COMPRESS_CACHE); | |
1184 | break; | |
1f0b067b CY |
1185 | #else |
1186 | case Opt_compress_algorithm: | |
1187 | case Opt_compress_log_size: | |
1188 | case Opt_compress_extension: | |
151b1982 | 1189 | case Opt_nocompress_extension: |
b28f047b | 1190 | case Opt_compress_chksum: |
602a16d5 | 1191 | case Opt_compress_mode: |
6ce19aff | 1192 | case Opt_compress_cache: |
1f0b067b CY |
1193 | f2fs_info(sbi, "compression options not supported"); |
1194 | break; | |
1195 | #endif | |
093749e2 CY |
1196 | case Opt_atgc: |
1197 | set_opt(sbi, ATGC); | |
1198 | break; | |
5911d2d1 CY |
1199 | case Opt_gc_merge: |
1200 | set_opt(sbi, GC_MERGE); | |
1201 | break; | |
1202 | case Opt_nogc_merge: | |
1203 | clear_opt(sbi, GC_MERGE); | |
1204 | break; | |
4f993264 CY |
1205 | case Opt_discard_unit: |
1206 | name = match_strdup(&args[0]); | |
1207 | if (!name) | |
1208 | return -ENOMEM; | |
1209 | if (!strcmp(name, "block")) { | |
1210 | F2FS_OPTION(sbi).discard_unit = | |
1211 | DISCARD_UNIT_BLOCK; | |
1212 | } else if (!strcmp(name, "segment")) { | |
1213 | F2FS_OPTION(sbi).discard_unit = | |
1214 | DISCARD_UNIT_SEGMENT; | |
1215 | } else if (!strcmp(name, "section")) { | |
1216 | F2FS_OPTION(sbi).discard_unit = | |
1217 | DISCARD_UNIT_SECTION; | |
1218 | } else { | |
1219 | kfree(name); | |
1220 | return -EINVAL; | |
1221 | } | |
1222 | kfree(name); | |
1223 | break; | |
696c018c | 1224 | default: |
dcbb4c10 JP |
1225 | f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", |
1226 | p); | |
696c018c NJ |
1227 | return -EINVAL; |
1228 | } | |
1229 | } | |
a7d9fe3c | 1230 | default_check: |
4b2414d0 CY |
1231 | #ifdef CONFIG_QUOTA |
1232 | if (f2fs_check_quota_options(sbi)) | |
1233 | return -EINVAL; | |
00960c2c | 1234 | #else |
7beb01f7 | 1235 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1236 | f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
00960c2c SY |
1237 | return -EINVAL; |
1238 | } | |
7beb01f7 | 1239 | if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { |
dcbb4c10 | 1240 | f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); |
4ddc1b28 CY |
1241 | return -EINVAL; |
1242 | } | |
4b2414d0 | 1243 | #endif |
5298d4bf | 1244 | #if !IS_ENABLED(CONFIG_UNICODE) |
5aba5430 DR |
1245 | if (f2fs_sb_has_casefold(sbi)) { |
1246 | f2fs_err(sbi, | |
1247 | "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
1248 | return -EINVAL; | |
1249 | } | |
1250 | #endif | |
d0660122 CY |
1251 | /* |
1252 | * The BLKZONED feature indicates that the drive was formatted with | |
1253 | * zone alignment optimization. This is optional for host-aware | |
1254 | * devices, but mandatory for host-managed zoned block devices. | |
1255 | */ | |
1256 | #ifndef CONFIG_BLK_DEV_ZONED | |
1257 | if (f2fs_sb_has_blkzoned(sbi)) { | |
1258 | f2fs_err(sbi, "Zoned block device support is not enabled"); | |
1259 | return -EINVAL; | |
1260 | } | |
1261 | #endif | |
4f993264 CY |
1262 | if (f2fs_sb_has_blkzoned(sbi)) { |
1263 | if (F2FS_OPTION(sbi).discard_unit != | |
1264 | DISCARD_UNIT_SECTION) { | |
1265 | f2fs_info(sbi, "Zoned block device doesn't need small discard, set discard_unit=section by default"); | |
1266 | F2FS_OPTION(sbi).discard_unit = | |
1267 | DISCARD_UNIT_SECTION; | |
1268 | } | |
1269 | } | |
ec91538d | 1270 | |
151b1982 FC |
1271 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
1272 | if (f2fs_test_compress_extension(sbi)) { | |
1273 | f2fs_err(sbi, "invalid compress or nocompress extension"); | |
1274 | return -EINVAL; | |
1275 | } | |
1276 | #endif | |
1277 | ||
b0332a0f | 1278 | if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) { |
dcbb4c10 JP |
1279 | f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", |
1280 | F2FS_IO_SIZE_KB(sbi)); | |
ec91538d JK |
1281 | return -EINVAL; |
1282 | } | |
6afc662e CY |
1283 | |
1284 | if (test_opt(sbi, INLINE_XATTR_SIZE)) { | |
70db5b04 JK |
1285 | int min_size, max_size; |
1286 | ||
7beb01f7 CY |
1287 | if (!f2fs_sb_has_extra_attr(sbi) || |
1288 | !f2fs_sb_has_flexible_inline_xattr(sbi)) { | |
dcbb4c10 | 1289 | f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); |
4d817ae0 CY |
1290 | return -EINVAL; |
1291 | } | |
6afc662e | 1292 | if (!test_opt(sbi, INLINE_XATTR)) { |
dcbb4c10 | 1293 | f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); |
6afc662e CY |
1294 | return -EINVAL; |
1295 | } | |
70db5b04 JK |
1296 | |
1297 | min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); | |
dd6c89b5 | 1298 | max_size = MAX_INLINE_XATTR_SIZE; |
70db5b04 JK |
1299 | |
1300 | if (F2FS_OPTION(sbi).inline_xattr_size < min_size || | |
1301 | F2FS_OPTION(sbi).inline_xattr_size > max_size) { | |
dcbb4c10 JP |
1302 | f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", |
1303 | min_size, max_size); | |
6afc662e CY |
1304 | return -EINVAL; |
1305 | } | |
1306 | } | |
0cdd3195 | 1307 | |
b0332a0f | 1308 | if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) { |
833dcd35 | 1309 | f2fs_err(sbi, "LFS not compatible with checkpoint=disable"); |
4354994f DR |
1310 | return -EINVAL; |
1311 | } | |
1312 | ||
a7d9fe3c JK |
1313 | if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) { |
1314 | f2fs_err(sbi, "Allow to mount readonly mode only"); | |
1315 | return -EROFS; | |
1316 | } | |
696c018c NJ |
1317 | return 0; |
1318 | } | |
1319 | ||
aff063e2 JK |
1320 | static struct inode *f2fs_alloc_inode(struct super_block *sb) |
1321 | { | |
1322 | struct f2fs_inode_info *fi; | |
1323 | ||
65d3af64 MS |
1324 | if (time_to_inject(F2FS_SB(sb), FAULT_SLAB_ALLOC)) { |
1325 | f2fs_show_injection_info(F2FS_SB(sb), FAULT_SLAB_ALLOC); | |
1326 | return NULL; | |
1327 | } | |
1328 | ||
1329 | fi = alloc_inode_sb(sb, f2fs_inode_cachep, GFP_F2FS_ZERO); | |
aff063e2 JK |
1330 | if (!fi) |
1331 | return NULL; | |
1332 | ||
1333 | init_once((void *) fi); | |
1334 | ||
434720fa | 1335 | /* Initialize f2fs-specific inode info */ |
204706c7 | 1336 | atomic_set(&fi->dirty_pages, 0); |
c2759eba | 1337 | atomic_set(&fi->i_compr_blocks, 0); |
e4544b63 | 1338 | init_f2fs_rwsem(&fi->i_sem); |
c10c9820 | 1339 | spin_lock_init(&fi->i_size_lock); |
2710fd7e | 1340 | INIT_LIST_HEAD(&fi->dirty_list); |
0f18b462 | 1341 | INIT_LIST_HEAD(&fi->gdirty_list); |
57864ae5 | 1342 | INIT_LIST_HEAD(&fi->inmem_ilist); |
88b88a66 JK |
1343 | INIT_LIST_HEAD(&fi->inmem_pages); |
1344 | mutex_init(&fi->inmem_lock); | |
e4544b63 TM |
1345 | init_f2fs_rwsem(&fi->i_gc_rwsem[READ]); |
1346 | init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]); | |
1347 | init_f2fs_rwsem(&fi->i_xattr_sem); | |
aff063e2 | 1348 | |
ab9fa662 JK |
1349 | /* Will be used by directory only */ |
1350 | fi->i_dir_level = F2FS_SB(sb)->dir_level; | |
f2470371 | 1351 | |
aff063e2 JK |
1352 | return &fi->vfs_inode; |
1353 | } | |
1354 | ||
531ad7d5 JK |
1355 | static int f2fs_drop_inode(struct inode *inode) |
1356 | { | |
a8933b6b | 1357 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
b8d96a30 | 1358 | int ret; |
a8933b6b CY |
1359 | |
1360 | /* | |
1361 | * during filesystem shutdown, if checkpoint is disabled, | |
1362 | * drop useless meta/node dirty pages. | |
1363 | */ | |
1364 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { | |
1365 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1366 | inode->i_ino == F2FS_META_INO(sbi)) { | |
1367 | trace_f2fs_drop_inode(inode, 1); | |
1368 | return 1; | |
1369 | } | |
1370 | } | |
1371 | ||
531ad7d5 JK |
1372 | /* |
1373 | * This is to avoid a deadlock condition like below. | |
1374 | * writeback_single_inode(inode) | |
1375 | * - f2fs_write_data_page | |
1376 | * - f2fs_gc -> iput -> evict | |
1377 | * - inode_wait_for_writeback(inode) | |
1378 | */ | |
0f18b462 | 1379 | if ((!inode_unhashed(inode) && inode->i_state & I_SYNC)) { |
06e1bc05 | 1380 | if (!inode->i_nlink && !is_bad_inode(inode)) { |
3e72f721 JK |
1381 | /* to avoid evict_inode call simultaneously */ |
1382 | atomic_inc(&inode->i_count); | |
06e1bc05 JK |
1383 | spin_unlock(&inode->i_lock); |
1384 | ||
1385 | /* some remained atomic pages should discarded */ | |
1386 | if (f2fs_is_atomic_file(inode)) | |
4d57b86d | 1387 | f2fs_drop_inmem_pages(inode); |
06e1bc05 | 1388 | |
3e72f721 JK |
1389 | /* should remain fi->extent_tree for writepage */ |
1390 | f2fs_destroy_extent_node(inode); | |
1391 | ||
06e1bc05 | 1392 | sb_start_intwrite(inode->i_sb); |
fc9581c8 | 1393 | f2fs_i_size_write(inode, 0); |
06e1bc05 | 1394 | |
a0770e13 | 1395 | f2fs_submit_merged_write_cond(F2FS_I_SB(inode), |
1396 | inode, NULL, 0, DATA); | |
1397 | truncate_inode_pages_final(inode->i_mapping); | |
1398 | ||
06e1bc05 | 1399 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 1400 | f2fs_truncate(inode); |
06e1bc05 JK |
1401 | |
1402 | sb_end_intwrite(inode->i_sb); | |
1403 | ||
06e1bc05 | 1404 | spin_lock(&inode->i_lock); |
3e72f721 | 1405 | atomic_dec(&inode->i_count); |
06e1bc05 | 1406 | } |
b8d96a30 | 1407 | trace_f2fs_drop_inode(inode, 0); |
531ad7d5 | 1408 | return 0; |
06e1bc05 | 1409 | } |
b8d96a30 | 1410 | ret = generic_drop_inode(inode); |
8ce589c7 EB |
1411 | if (!ret) |
1412 | ret = fscrypt_drop_inode(inode); | |
b8d96a30 HP |
1413 | trace_f2fs_drop_inode(inode, ret); |
1414 | return ret; | |
531ad7d5 JK |
1415 | } |
1416 | ||
7c45729a | 1417 | int f2fs_inode_dirtied(struct inode *inode, bool sync) |
b3783873 | 1418 | { |
0f18b462 | 1419 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
7c45729a | 1420 | int ret = 0; |
0f18b462 | 1421 | |
0f18b462 JK |
1422 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
1423 | if (is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
7c45729a JK |
1424 | ret = 1; |
1425 | } else { | |
1426 | set_inode_flag(inode, FI_DIRTY_INODE); | |
1427 | stat_inc_dirty_inode(sbi, DIRTY_META); | |
0f18b462 | 1428 | } |
7c45729a JK |
1429 | if (sync && list_empty(&F2FS_I(inode)->gdirty_list)) { |
1430 | list_add_tail(&F2FS_I(inode)->gdirty_list, | |
0f18b462 | 1431 | &sbi->inode_list[DIRTY_META]); |
7c45729a JK |
1432 | inc_page_count(sbi, F2FS_DIRTY_IMETA); |
1433 | } | |
338bbfa0 | 1434 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
7c45729a | 1435 | return ret; |
0f18b462 JK |
1436 | } |
1437 | ||
1438 | void f2fs_inode_synced(struct inode *inode) | |
1439 | { | |
1440 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1441 | ||
1442 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
1443 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) { | |
1444 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
1445 | return; | |
1446 | } | |
7c45729a JK |
1447 | if (!list_empty(&F2FS_I(inode)->gdirty_list)) { |
1448 | list_del_init(&F2FS_I(inode)->gdirty_list); | |
1449 | dec_page_count(sbi, F2FS_DIRTY_IMETA); | |
1450 | } | |
0f18b462 | 1451 | clear_inode_flag(inode, FI_DIRTY_INODE); |
26de9b11 | 1452 | clear_inode_flag(inode, FI_AUTO_RECOVER); |
0f18b462 | 1453 | stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META); |
338bbfa0 | 1454 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
b3783873 JK |
1455 | } |
1456 | ||
b56ab837 JK |
1457 | /* |
1458 | * f2fs_dirty_inode() is called from __mark_inode_dirty() | |
1459 | * | |
1460 | * We should call set_dirty_inode to write the dirty inode through write_inode. | |
1461 | */ | |
1462 | static void f2fs_dirty_inode(struct inode *inode, int flags) | |
1463 | { | |
1464 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
1465 | ||
1466 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
1467 | inode->i_ino == F2FS_META_INO(sbi)) | |
1468 | return; | |
1469 | ||
b56ab837 JK |
1470 | if (is_inode_flag_set(inode, FI_AUTO_RECOVER)) |
1471 | clear_inode_flag(inode, FI_AUTO_RECOVER); | |
1472 | ||
7c45729a | 1473 | f2fs_inode_dirtied(inode, false); |
b56ab837 JK |
1474 | } |
1475 | ||
d01718a0 | 1476 | static void f2fs_free_inode(struct inode *inode) |
aff063e2 | 1477 | { |
2c58d548 | 1478 | fscrypt_free_inode(inode); |
aff063e2 JK |
1479 | kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode)); |
1480 | } | |
1481 | ||
523be8a6 JK |
1482 | static void destroy_percpu_info(struct f2fs_sb_info *sbi) |
1483 | { | |
513c5f37 | 1484 | percpu_counter_destroy(&sbi->total_valid_inode_count); |
47c8ebcc JK |
1485 | percpu_counter_destroy(&sbi->rf_node_block_count); |
1486 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
523be8a6 JK |
1487 | } |
1488 | ||
3c62be17 JK |
1489 | static void destroy_device_list(struct f2fs_sb_info *sbi) |
1490 | { | |
1491 | int i; | |
1492 | ||
1493 | for (i = 0; i < sbi->s_ndevs; i++) { | |
1494 | blkdev_put(FDEV(i).bdev, FMODE_EXCL); | |
1495 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf | 1496 | kvfree(FDEV(i).blkz_seq); |
de881df9 | 1497 | kfree(FDEV(i).zone_capacity_blocks); |
3c62be17 JK |
1498 | #endif |
1499 | } | |
5222595d | 1500 | kvfree(sbi->devs); |
3c62be17 JK |
1501 | } |
1502 | ||
aff063e2 JK |
1503 | static void f2fs_put_super(struct super_block *sb) |
1504 | { | |
1505 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
a398101a | 1506 | int i; |
cf5c759f | 1507 | bool dropped; |
aff063e2 | 1508 | |
99c787cf LG |
1509 | /* unregister procfs/sysfs entries in advance to avoid race case */ |
1510 | f2fs_unregister_sysfs(sbi); | |
1511 | ||
0abd675e | 1512 | f2fs_quota_off_umount(sb); |
aff063e2 | 1513 | |
2658e50d JK |
1514 | /* prevent remaining shrinker jobs */ |
1515 | mutex_lock(&sbi->umount_mutex); | |
1516 | ||
261eeb9c DJ |
1517 | /* |
1518 | * flush all issued checkpoints and stop checkpoint issue thread. | |
1519 | * after then, all checkpoints should be done by each process context. | |
1520 | */ | |
1521 | f2fs_stop_ckpt_thread(sbi); | |
1522 | ||
85dc2f2c JK |
1523 | /* |
1524 | * We don't need to do checkpoint when superblock is clean. | |
1525 | * But, the previous checkpoint was not done by umount, it needs to do | |
1526 | * clean checkpoint again. | |
1527 | */ | |
4354994f DR |
1528 | if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
1529 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { | |
75ab4cb8 JK |
1530 | struct cp_control cpc = { |
1531 | .reason = CP_UMOUNT, | |
1532 | }; | |
4d57b86d | 1533 | f2fs_write_checkpoint(sbi, &cpc); |
75ab4cb8 | 1534 | } |
aff063e2 | 1535 | |
4e6a8d9b | 1536 | /* be sure to wait for any on-going discard commands */ |
03f2c02d | 1537 | dropped = f2fs_issue_discard_timeout(sbi); |
4e6a8d9b | 1538 | |
7d20c8ab CY |
1539 | if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && |
1540 | !sbi->discard_blks && !dropped) { | |
1f43e2ad CY |
1541 | struct cp_control cpc = { |
1542 | .reason = CP_UMOUNT | CP_TRIMMED, | |
1543 | }; | |
4d57b86d | 1544 | f2fs_write_checkpoint(sbi, &cpc); |
1f43e2ad CY |
1545 | } |
1546 | ||
cf779cab JK |
1547 | /* |
1548 | * normally superblock is clean, so we need to release this. | |
1549 | * In addition, EIO will skip do checkpoint, we need this as well. | |
1550 | */ | |
4d57b86d | 1551 | f2fs_release_ino_entry(sbi, true); |
6f12ac25 | 1552 | |
2658e50d JK |
1553 | f2fs_leave_shrinker(sbi); |
1554 | mutex_unlock(&sbi->umount_mutex); | |
1555 | ||
17c19120 | 1556 | /* our cp_error case, we can wait for any writeback page */ |
b9109b0e | 1557 | f2fs_flush_merged_writes(sbi); |
17c19120 | 1558 | |
bf22c3cc | 1559 | f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA); |
50fa53ec CY |
1560 | |
1561 | f2fs_bug_on(sbi, sbi->fsync_node_num); | |
1562 | ||
6ce19aff CY |
1563 | f2fs_destroy_compress_inode(sbi); |
1564 | ||
aff063e2 | 1565 | iput(sbi->node_inode); |
7c77bf7d JK |
1566 | sbi->node_inode = NULL; |
1567 | ||
aff063e2 | 1568 | iput(sbi->meta_inode); |
7c77bf7d | 1569 | sbi->meta_inode = NULL; |
aff063e2 | 1570 | |
60aa4d55 ST |
1571 | /* |
1572 | * iput() can update stat information, if f2fs_write_checkpoint() | |
1573 | * above failed with error. | |
1574 | */ | |
1575 | f2fs_destroy_stats(sbi); | |
1576 | ||
aff063e2 | 1577 | /* destroy f2fs internal modules */ |
4d57b86d CY |
1578 | f2fs_destroy_node_manager(sbi); |
1579 | f2fs_destroy_segment_manager(sbi); | |
aff063e2 | 1580 | |
4c8ff709 CY |
1581 | f2fs_destroy_post_read_wq(sbi); |
1582 | ||
5222595d | 1583 | kvfree(sbi->ckpt); |
a398101a | 1584 | |
aff063e2 | 1585 | sb->s_fs_info = NULL; |
43b6573b KM |
1586 | if (sbi->s_chksum_driver) |
1587 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 1588 | kfree(sbi->raw_super); |
523be8a6 | 1589 | |
3c62be17 | 1590 | destroy_device_list(sbi); |
31083031 | 1591 | f2fs_destroy_page_array_cache(sbi); |
a999150f | 1592 | f2fs_destroy_xattr_caches(sbi); |
b6895e8f | 1593 | mempool_destroy(sbi->write_io_dummy); |
4b2414d0 CY |
1594 | #ifdef CONFIG_QUOTA |
1595 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 1596 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 1597 | #endif |
ac4acb1f | 1598 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
523be8a6 | 1599 | destroy_percpu_info(sbi); |
a4b68176 | 1600 | f2fs_destroy_iostat(sbi); |
a912b54d | 1601 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 1602 | kvfree(sbi->write_io[i]); |
5298d4bf | 1603 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 1604 | utf8_unload(sb->s_encoding); |
5aba5430 | 1605 | #endif |
742532d1 | 1606 | kfree(sbi); |
aff063e2 JK |
1607 | } |
1608 | ||
1609 | int f2fs_sync_fs(struct super_block *sb, int sync) | |
1610 | { | |
1611 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
c34f42e2 | 1612 | int err = 0; |
aff063e2 | 1613 | |
1f227a3e JK |
1614 | if (unlikely(f2fs_cp_error(sbi))) |
1615 | return 0; | |
4354994f DR |
1616 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
1617 | return 0; | |
1f227a3e | 1618 | |
a2a4a7e4 NJ |
1619 | trace_f2fs_sync_fs(sb, sync); |
1620 | ||
4b2414d0 CY |
1621 | if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) |
1622 | return -EAGAIN; | |
1623 | ||
261eeb9c DJ |
1624 | if (sync) |
1625 | err = f2fs_issue_checkpoint(sbi); | |
119ee914 | 1626 | |
c34f42e2 | 1627 | return err; |
aff063e2 JK |
1628 | } |
1629 | ||
d6212a5f CL |
1630 | static int f2fs_freeze(struct super_block *sb) |
1631 | { | |
77888c1e | 1632 | if (f2fs_readonly(sb)) |
d6212a5f CL |
1633 | return 0; |
1634 | ||
b4b9d34c JK |
1635 | /* IO error happened before */ |
1636 | if (unlikely(f2fs_cp_error(F2FS_SB(sb)))) | |
1637 | return -EIO; | |
1638 | ||
1639 | /* must be clean, since sync_filesystem() was already called */ | |
1640 | if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY)) | |
1641 | return -EINVAL; | |
d50dfc0c JK |
1642 | |
1643 | /* ensure no checkpoint required */ | |
1644 | if (!llist_empty(&F2FS_SB(sb)->cprc_info.issue_list)) | |
1645 | return -EINVAL; | |
ba900534 JK |
1646 | |
1647 | /* to avoid deadlock on f2fs_evict_inode->SB_FREEZE_FS */ | |
1648 | set_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING); | |
b4b9d34c | 1649 | return 0; |
d6212a5f CL |
1650 | } |
1651 | ||
1652 | static int f2fs_unfreeze(struct super_block *sb) | |
1653 | { | |
ba900534 | 1654 | clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING); |
d6212a5f CL |
1655 | return 0; |
1656 | } | |
1657 | ||
ddc34e32 CY |
1658 | #ifdef CONFIG_QUOTA |
1659 | static int f2fs_statfs_project(struct super_block *sb, | |
1660 | kprojid_t projid, struct kstatfs *buf) | |
1661 | { | |
1662 | struct kqid qid; | |
1663 | struct dquot *dquot; | |
1664 | u64 limit; | |
1665 | u64 curblock; | |
1666 | ||
1667 | qid = make_kqid_projid(projid); | |
1668 | dquot = dqget(sb, qid); | |
1669 | if (IS_ERR(dquot)) | |
1670 | return PTR_ERR(dquot); | |
955ac6e5 | 1671 | spin_lock(&dquot->dq_dqb_lock); |
ddc34e32 | 1672 | |
bf2cbd3c CX |
1673 | limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, |
1674 | dquot->dq_dqb.dqb_bhardlimit); | |
acdf2172 CX |
1675 | if (limit) |
1676 | limit >>= sb->s_blocksize_bits; | |
909110c0 | 1677 | |
ddc34e32 | 1678 | if (limit && buf->f_blocks > limit) { |
baaa7ebf KK |
1679 | curblock = (dquot->dq_dqb.dqb_curspace + |
1680 | dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; | |
ddc34e32 CY |
1681 | buf->f_blocks = limit; |
1682 | buf->f_bfree = buf->f_bavail = | |
1683 | (buf->f_blocks > curblock) ? | |
1684 | (buf->f_blocks - curblock) : 0; | |
1685 | } | |
1686 | ||
bf2cbd3c CX |
1687 | limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, |
1688 | dquot->dq_dqb.dqb_ihardlimit); | |
909110c0 | 1689 | |
ddc34e32 CY |
1690 | if (limit && buf->f_files > limit) { |
1691 | buf->f_files = limit; | |
1692 | buf->f_ffree = | |
1693 | (buf->f_files > dquot->dq_dqb.dqb_curinodes) ? | |
1694 | (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0; | |
1695 | } | |
1696 | ||
955ac6e5 | 1697 | spin_unlock(&dquot->dq_dqb_lock); |
ddc34e32 CY |
1698 | dqput(dquot); |
1699 | return 0; | |
1700 | } | |
1701 | #endif | |
1702 | ||
aff063e2 JK |
1703 | static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) |
1704 | { | |
1705 | struct super_block *sb = dentry->d_sb; | |
1706 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1707 | u64 id = huge_encode_dev(sb->s_bdev->bd_dev); | |
f66c027e | 1708 | block_t total_count, user_block_count, start_count; |
0cc091d0 | 1709 | u64 avail_node_count; |
4de85145 | 1710 | unsigned int total_valid_node_count; |
aff063e2 JK |
1711 | |
1712 | total_count = le64_to_cpu(sbi->raw_super->block_count); | |
aff063e2 | 1713 | start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr); |
aff063e2 JK |
1714 | buf->f_type = F2FS_SUPER_MAGIC; |
1715 | buf->f_bsize = sbi->blocksize; | |
1716 | ||
1717 | buf->f_blocks = total_count - start_count; | |
4de85145 ND |
1718 | |
1719 | spin_lock(&sbi->stat_lock); | |
1720 | ||
1721 | user_block_count = sbi->user_block_count; | |
1722 | total_valid_node_count = valid_node_count(sbi); | |
1723 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; | |
f66c027e | 1724 | buf->f_bfree = user_block_count - valid_user_blocks(sbi) - |
80d42145 | 1725 | sbi->current_reserved_blocks; |
c9c8ed50 | 1726 | |
4354994f DR |
1727 | if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) |
1728 | buf->f_bfree = 0; | |
1729 | else | |
1730 | buf->f_bfree -= sbi->unusable_block_count; | |
c9c8ed50 | 1731 | spin_unlock(&sbi->stat_lock); |
4354994f | 1732 | |
63189b78 CY |
1733 | if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) |
1734 | buf->f_bavail = buf->f_bfree - | |
1735 | F2FS_OPTION(sbi).root_reserved_blocks; | |
7e65be49 JK |
1736 | else |
1737 | buf->f_bavail = 0; | |
aff063e2 | 1738 | |
0cc091d0 JK |
1739 | if (avail_node_count > user_block_count) { |
1740 | buf->f_files = user_block_count; | |
1741 | buf->f_ffree = buf->f_bavail; | |
1742 | } else { | |
1743 | buf->f_files = avail_node_count; | |
4de85145 | 1744 | buf->f_ffree = min(avail_node_count - total_valid_node_count, |
0cc091d0 JK |
1745 | buf->f_bavail); |
1746 | } | |
aff063e2 | 1747 | |
5a20d339 | 1748 | buf->f_namelen = F2FS_NAME_LEN; |
6d1349c7 | 1749 | buf->f_fsid = u64_to_fsid(id); |
aff063e2 | 1750 | |
ddc34e32 CY |
1751 | #ifdef CONFIG_QUOTA |
1752 | if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && | |
1753 | sb_has_quota_limits_enabled(sb, PRJQUOTA)) { | |
1754 | f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); | |
1755 | } | |
1756 | #endif | |
aff063e2 JK |
1757 | return 0; |
1758 | } | |
1759 | ||
4b2414d0 CY |
1760 | static inline void f2fs_show_quota_options(struct seq_file *seq, |
1761 | struct super_block *sb) | |
1762 | { | |
1763 | #ifdef CONFIG_QUOTA | |
1764 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1765 | ||
63189b78 | 1766 | if (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1767 | char *fmtname = ""; |
1768 | ||
63189b78 | 1769 | switch (F2FS_OPTION(sbi).s_jquota_fmt) { |
4b2414d0 CY |
1770 | case QFMT_VFS_OLD: |
1771 | fmtname = "vfsold"; | |
1772 | break; | |
1773 | case QFMT_VFS_V0: | |
1774 | fmtname = "vfsv0"; | |
1775 | break; | |
1776 | case QFMT_VFS_V1: | |
1777 | fmtname = "vfsv1"; | |
1778 | break; | |
1779 | } | |
1780 | seq_printf(seq, ",jqfmt=%s", fmtname); | |
1781 | } | |
1782 | ||
63189b78 CY |
1783 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA]) |
1784 | seq_show_option(seq, "usrjquota", | |
1785 | F2FS_OPTION(sbi).s_qf_names[USRQUOTA]); | |
4b2414d0 | 1786 | |
63189b78 CY |
1787 | if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]) |
1788 | seq_show_option(seq, "grpjquota", | |
1789 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]); | |
4b2414d0 | 1790 | |
63189b78 CY |
1791 | if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) |
1792 | seq_show_option(seq, "prjjquota", | |
1793 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]); | |
4b2414d0 CY |
1794 | #endif |
1795 | } | |
1796 | ||
cd6ee739 | 1797 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
1798 | static inline void f2fs_show_compress_options(struct seq_file *seq, |
1799 | struct super_block *sb) | |
1800 | { | |
1801 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
1802 | char *algtype = ""; | |
1803 | int i; | |
1804 | ||
1805 | if (!f2fs_sb_has_compression(sbi)) | |
1806 | return; | |
1807 | ||
1808 | switch (F2FS_OPTION(sbi).compress_algorithm) { | |
1809 | case COMPRESS_LZO: | |
1810 | algtype = "lzo"; | |
1811 | break; | |
1812 | case COMPRESS_LZ4: | |
1813 | algtype = "lz4"; | |
1814 | break; | |
50cfa66f CY |
1815 | case COMPRESS_ZSTD: |
1816 | algtype = "zstd"; | |
1817 | break; | |
6d92b201 CY |
1818 | case COMPRESS_LZORLE: |
1819 | algtype = "lzo-rle"; | |
1820 | break; | |
4c8ff709 CY |
1821 | } |
1822 | seq_printf(seq, ",compress_algorithm=%s", algtype); | |
1823 | ||
3fde13f8 CY |
1824 | if (F2FS_OPTION(sbi).compress_level) |
1825 | seq_printf(seq, ":%d", F2FS_OPTION(sbi).compress_level); | |
1826 | ||
4c8ff709 CY |
1827 | seq_printf(seq, ",compress_log_size=%u", |
1828 | F2FS_OPTION(sbi).compress_log_size); | |
1829 | ||
1830 | for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) { | |
1831 | seq_printf(seq, ",compress_extension=%s", | |
1832 | F2FS_OPTION(sbi).extensions[i]); | |
1833 | } | |
b28f047b | 1834 | |
151b1982 FC |
1835 | for (i = 0; i < F2FS_OPTION(sbi).nocompress_ext_cnt; i++) { |
1836 | seq_printf(seq, ",nocompress_extension=%s", | |
1837 | F2FS_OPTION(sbi).noextensions[i]); | |
1838 | } | |
1839 | ||
b28f047b CY |
1840 | if (F2FS_OPTION(sbi).compress_chksum) |
1841 | seq_puts(seq, ",compress_chksum"); | |
602a16d5 DJ |
1842 | |
1843 | if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS) | |
1844 | seq_printf(seq, ",compress_mode=%s", "fs"); | |
1845 | else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER) | |
1846 | seq_printf(seq, ",compress_mode=%s", "user"); | |
6ce19aff CY |
1847 | |
1848 | if (test_opt(sbi, COMPRESS_CACHE)) | |
1849 | seq_puts(seq, ",compress_cache"); | |
4c8ff709 | 1850 | } |
cd6ee739 | 1851 | #endif |
4c8ff709 | 1852 | |
aff063e2 JK |
1853 | static int f2fs_show_options(struct seq_file *seq, struct dentry *root) |
1854 | { | |
1855 | struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb); | |
1856 | ||
bbbc34fd CY |
1857 | if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC) |
1858 | seq_printf(seq, ",background_gc=%s", "sync"); | |
1859 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_ON) | |
1860 | seq_printf(seq, ",background_gc=%s", "on"); | |
1861 | else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) | |
696c018c | 1862 | seq_printf(seq, ",background_gc=%s", "off"); |
bbbc34fd | 1863 | |
5911d2d1 CY |
1864 | if (test_opt(sbi, GC_MERGE)) |
1865 | seq_puts(seq, ",gc_merge"); | |
1866 | ||
aff063e2 JK |
1867 | if (test_opt(sbi, DISABLE_ROLL_FORWARD)) |
1868 | seq_puts(seq, ",disable_roll_forward"); | |
a9117eca CY |
1869 | if (test_opt(sbi, NORECOVERY)) |
1870 | seq_puts(seq, ",norecovery"); | |
aff063e2 JK |
1871 | if (test_opt(sbi, DISCARD)) |
1872 | seq_puts(seq, ",discard"); | |
81621f97 ST |
1873 | else |
1874 | seq_puts(seq, ",nodiscard"); | |
aff063e2 | 1875 | if (test_opt(sbi, NOHEAP)) |
7a20b8a6 JK |
1876 | seq_puts(seq, ",no_heap"); |
1877 | else | |
1878 | seq_puts(seq, ",heap"); | |
aff063e2 JK |
1879 | #ifdef CONFIG_F2FS_FS_XATTR |
1880 | if (test_opt(sbi, XATTR_USER)) | |
1881 | seq_puts(seq, ",user_xattr"); | |
1882 | else | |
1883 | seq_puts(seq, ",nouser_xattr"); | |
444c580f JK |
1884 | if (test_opt(sbi, INLINE_XATTR)) |
1885 | seq_puts(seq, ",inline_xattr"); | |
23cf7212 CY |
1886 | else |
1887 | seq_puts(seq, ",noinline_xattr"); | |
6afc662e CY |
1888 | if (test_opt(sbi, INLINE_XATTR_SIZE)) |
1889 | seq_printf(seq, ",inline_xattr_size=%u", | |
63189b78 | 1890 | F2FS_OPTION(sbi).inline_xattr_size); |
aff063e2 JK |
1891 | #endif |
1892 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
1893 | if (test_opt(sbi, POSIX_ACL)) | |
1894 | seq_puts(seq, ",acl"); | |
1895 | else | |
1896 | seq_puts(seq, ",noacl"); | |
1897 | #endif | |
1898 | if (test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
aa43507f | 1899 | seq_puts(seq, ",disable_ext_identify"); |
8274de77 HL |
1900 | if (test_opt(sbi, INLINE_DATA)) |
1901 | seq_puts(seq, ",inline_data"); | |
75342797 WL |
1902 | else |
1903 | seq_puts(seq, ",noinline_data"); | |
5efd3c6f CY |
1904 | if (test_opt(sbi, INLINE_DENTRY)) |
1905 | seq_puts(seq, ",inline_dentry"); | |
97c1794a CY |
1906 | else |
1907 | seq_puts(seq, ",noinline_dentry"); | |
b270ad6f | 1908 | if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) |
6b4afdd7 | 1909 | seq_puts(seq, ",flush_merge"); |
0f7b2abd JK |
1910 | if (test_opt(sbi, NOBARRIER)) |
1911 | seq_puts(seq, ",nobarrier"); | |
d5053a34 JK |
1912 | if (test_opt(sbi, FASTBOOT)) |
1913 | seq_puts(seq, ",fastboot"); | |
89672159 CY |
1914 | if (test_opt(sbi, EXTENT_CACHE)) |
1915 | seq_puts(seq, ",extent_cache"); | |
7daaea25 JK |
1916 | else |
1917 | seq_puts(seq, ",noextent_cache"); | |
343f40f0 CY |
1918 | if (test_opt(sbi, DATA_FLUSH)) |
1919 | seq_puts(seq, ",data_flush"); | |
36abef4e JK |
1920 | |
1921 | seq_puts(seq, ",mode="); | |
b0332a0f | 1922 | if (F2FS_OPTION(sbi).fs_mode == FS_MODE_ADAPTIVE) |
36abef4e | 1923 | seq_puts(seq, "adaptive"); |
b0332a0f | 1924 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS) |
36abef4e | 1925 | seq_puts(seq, "lfs"); |
6691d940 DJ |
1926 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG) |
1927 | seq_puts(seq, "fragment:segment"); | |
1928 | else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK) | |
1929 | seq_puts(seq, "fragment:block"); | |
63189b78 | 1930 | seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs); |
7e65be49 | 1931 | if (test_opt(sbi, RESERVE_ROOT)) |
7c2e5963 | 1932 | seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u", |
63189b78 CY |
1933 | F2FS_OPTION(sbi).root_reserved_blocks, |
1934 | from_kuid_munged(&init_user_ns, | |
1935 | F2FS_OPTION(sbi).s_resuid), | |
1936 | from_kgid_munged(&init_user_ns, | |
1937 | F2FS_OPTION(sbi).s_resgid)); | |
ec91538d | 1938 | if (F2FS_IO_SIZE_BITS(sbi)) |
c6b1867b CX |
1939 | seq_printf(seq, ",io_bits=%u", |
1940 | F2FS_OPTION(sbi).write_io_size_bits); | |
0cc0dec2 | 1941 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a | 1942 | if (test_opt(sbi, FAULT_INJECTION)) { |
44529f89 | 1943 | seq_printf(seq, ",fault_injection=%u", |
63189b78 | 1944 | F2FS_OPTION(sbi).fault_info.inject_rate); |
d494500a CY |
1945 | seq_printf(seq, ",fault_type=%u", |
1946 | F2FS_OPTION(sbi).fault_info.inject_type); | |
1947 | } | |
0cc0dec2 | 1948 | #endif |
0abd675e | 1949 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
1950 | if (test_opt(sbi, QUOTA)) |
1951 | seq_puts(seq, ",quota"); | |
0abd675e CY |
1952 | if (test_opt(sbi, USRQUOTA)) |
1953 | seq_puts(seq, ",usrquota"); | |
1954 | if (test_opt(sbi, GRPQUOTA)) | |
1955 | seq_puts(seq, ",grpquota"); | |
5c57132e CY |
1956 | if (test_opt(sbi, PRJQUOTA)) |
1957 | seq_puts(seq, ",prjquota"); | |
0cc0dec2 | 1958 | #endif |
4b2414d0 | 1959 | f2fs_show_quota_options(seq, sbi->sb); |
ed318a6c EB |
1960 | |
1961 | fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb); | |
aff063e2 | 1962 | |
27aacd28 ST |
1963 | if (sbi->sb->s_flags & SB_INLINECRYPT) |
1964 | seq_puts(seq, ",inlinecrypt"); | |
1965 | ||
63189b78 | 1966 | if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT) |
07939627 | 1967 | seq_printf(seq, ",alloc_mode=%s", "default"); |
63189b78 | 1968 | else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) |
07939627 | 1969 | seq_printf(seq, ",alloc_mode=%s", "reuse"); |
93cf93f1 | 1970 | |
4354994f | 1971 | if (test_opt(sbi, DISABLE_CHECKPOINT)) |
4d3aed70 DR |
1972 | seq_printf(seq, ",checkpoint=disable:%u", |
1973 | F2FS_OPTION(sbi).unusable_cap); | |
261eeb9c DJ |
1974 | if (test_opt(sbi, MERGE_CHECKPOINT)) |
1975 | seq_puts(seq, ",checkpoint_merge"); | |
1976 | else | |
1977 | seq_puts(seq, ",nocheckpoint_merge"); | |
63189b78 | 1978 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) |
93cf93f1 | 1979 | seq_printf(seq, ",fsync_mode=%s", "posix"); |
63189b78 | 1980 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) |
93cf93f1 | 1981 | seq_printf(seq, ",fsync_mode=%s", "strict"); |
dc132802 ST |
1982 | else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) |
1983 | seq_printf(seq, ",fsync_mode=%s", "nobarrier"); | |
4c8ff709 | 1984 | |
1f0b067b | 1985 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 | 1986 | f2fs_show_compress_options(seq, sbi->sb); |
1f0b067b | 1987 | #endif |
093749e2 CY |
1988 | |
1989 | if (test_opt(sbi, ATGC)) | |
1990 | seq_puts(seq, ",atgc"); | |
4f993264 CY |
1991 | |
1992 | if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK) | |
1993 | seq_printf(seq, ",discard_unit=%s", "block"); | |
1994 | else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT) | |
1995 | seq_printf(seq, ",discard_unit=%s", "segment"); | |
1996 | else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION) | |
1997 | seq_printf(seq, ",discard_unit=%s", "section"); | |
1998 | ||
aff063e2 JK |
1999 | return 0; |
2000 | } | |
2001 | ||
498c5e9f YH |
2002 | static void default_options(struct f2fs_sb_info *sbi) |
2003 | { | |
2004 | /* init some FS parameters */ | |
a7d9fe3c JK |
2005 | if (f2fs_sb_has_readonly(sbi)) |
2006 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_RO_TYPE; | |
2007 | else | |
2008 | F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE; | |
2009 | ||
63189b78 | 2010 | F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; |
63189b78 CY |
2011 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; |
2012 | F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; | |
0aa7e0f8 CY |
2013 | F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); |
2014 | F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); | |
91faa534 | 2015 | F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; |
4c8ff709 CY |
2016 | F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; |
2017 | F2FS_OPTION(sbi).compress_ext_cnt = 0; | |
602a16d5 | 2018 | F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; |
bbbc34fd | 2019 | F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; |
498c5e9f | 2020 | |
27aacd28 ST |
2021 | sbi->sb->s_flags &= ~SB_INLINECRYPT; |
2022 | ||
39133a50 | 2023 | set_opt(sbi, INLINE_XATTR); |
498c5e9f | 2024 | set_opt(sbi, INLINE_DATA); |
97c1794a | 2025 | set_opt(sbi, INLINE_DENTRY); |
3e72f721 | 2026 | set_opt(sbi, EXTENT_CACHE); |
7a20b8a6 | 2027 | set_opt(sbi, NOHEAP); |
4354994f | 2028 | clear_opt(sbi, DISABLE_CHECKPOINT); |
b5d15199 | 2029 | set_opt(sbi, MERGE_CHECKPOINT); |
4d3aed70 | 2030 | F2FS_OPTION(sbi).unusable_cap = 0; |
1751e8a6 | 2031 | sbi->sb->s_flags |= SB_LAZYTIME; |
69e9e427 | 2032 | set_opt(sbi, FLUSH_MERGE); |
f7db8dd6 CY |
2033 | if (f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) |
2034 | set_opt(sbi, DISCARD); | |
4f993264 | 2035 | if (f2fs_sb_has_blkzoned(sbi)) { |
b0332a0f | 2036 | F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS; |
4f993264 CY |
2037 | F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_SECTION; |
2038 | } else { | |
b0332a0f | 2039 | F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE; |
4f993264 CY |
2040 | F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_BLOCK; |
2041 | } | |
498c5e9f YH |
2042 | |
2043 | #ifdef CONFIG_F2FS_FS_XATTR | |
2044 | set_opt(sbi, XATTR_USER); | |
2045 | #endif | |
2046 | #ifdef CONFIG_F2FS_FS_POSIX_ACL | |
2047 | set_opt(sbi, POSIX_ACL); | |
2048 | #endif | |
36dbd328 | 2049 | |
d494500a | 2050 | f2fs_build_fault_attr(sbi, 0, 0); |
498c5e9f YH |
2051 | } |
2052 | ||
ea676733 JK |
2053 | #ifdef CONFIG_QUOTA |
2054 | static int f2fs_enable_quotas(struct super_block *sb); | |
2055 | #endif | |
4354994f DR |
2056 | |
2057 | static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) | |
2058 | { | |
812a9597 | 2059 | unsigned int s_flags = sbi->sb->s_flags; |
4354994f | 2060 | struct cp_control cpc; |
98e92867 | 2061 | unsigned int gc_mode; |
812a9597 JK |
2062 | int err = 0; |
2063 | int ret; | |
4d3aed70 | 2064 | block_t unusable; |
4354994f | 2065 | |
812a9597 | 2066 | if (s_flags & SB_RDONLY) { |
dcbb4c10 | 2067 | f2fs_err(sbi, "checkpoint=disable on readonly fs"); |
812a9597 JK |
2068 | return -EINVAL; |
2069 | } | |
4354994f DR |
2070 | sbi->sb->s_flags |= SB_ACTIVE; |
2071 | ||
4354994f DR |
2072 | f2fs_update_time(sbi, DISABLE_TIME); |
2073 | ||
98e92867 CY |
2074 | gc_mode = sbi->gc_mode; |
2075 | sbi->gc_mode = GC_URGENT_HIGH; | |
2076 | ||
4354994f | 2077 | while (!f2fs_time_over(sbi, DISABLE_TIME)) { |
e4544b63 | 2078 | f2fs_down_write(&sbi->gc_lock); |
7dede886 | 2079 | err = f2fs_gc(sbi, true, false, false, NULL_SEGNO); |
812a9597 JK |
2080 | if (err == -ENODATA) { |
2081 | err = 0; | |
4354994f | 2082 | break; |
812a9597 | 2083 | } |
8f31b466 | 2084 | if (err && err != -EAGAIN) |
812a9597 | 2085 | break; |
4354994f | 2086 | } |
4354994f | 2087 | |
812a9597 JK |
2088 | ret = sync_filesystem(sbi->sb); |
2089 | if (ret || err) { | |
5f029c04 | 2090 | err = ret ? ret : err; |
812a9597 JK |
2091 | goto restore_flag; |
2092 | } | |
4354994f | 2093 | |
4d3aed70 DR |
2094 | unusable = f2fs_get_unusable_blocks(sbi); |
2095 | if (f2fs_disable_cp_again(sbi, unusable)) { | |
812a9597 JK |
2096 | err = -EAGAIN; |
2097 | goto restore_flag; | |
2098 | } | |
4354994f | 2099 | |
e4544b63 | 2100 | f2fs_down_write(&sbi->gc_lock); |
4354994f DR |
2101 | cpc.reason = CP_PAUSE; |
2102 | set_sbi_flag(sbi, SBI_CP_DISABLED); | |
896285ad CY |
2103 | err = f2fs_write_checkpoint(sbi, &cpc); |
2104 | if (err) | |
2105 | goto out_unlock; | |
4354994f | 2106 | |
c9c8ed50 | 2107 | spin_lock(&sbi->stat_lock); |
4d3aed70 | 2108 | sbi->unusable_block_count = unusable; |
c9c8ed50 CY |
2109 | spin_unlock(&sbi->stat_lock); |
2110 | ||
896285ad | 2111 | out_unlock: |
e4544b63 | 2112 | f2fs_up_write(&sbi->gc_lock); |
812a9597 | 2113 | restore_flag: |
98e92867 | 2114 | sbi->gc_mode = gc_mode; |
7a88ddb5 | 2115 | sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ |
812a9597 | 2116 | return err; |
4354994f DR |
2117 | } |
2118 | ||
2119 | static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) | |
2120 | { | |
dddd3d65 JK |
2121 | int retry = DEFAULT_RETRY_IO_COUNT; |
2122 | ||
b0ff4fe7 | 2123 | /* we should flush all the data to keep data consistency */ |
dddd3d65 JK |
2124 | do { |
2125 | sync_inodes_sb(sbi->sb); | |
a64239d0 | 2126 | f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); |
dddd3d65 JK |
2127 | } while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--); |
2128 | ||
2129 | if (unlikely(retry < 0)) | |
2130 | f2fs_warn(sbi, "checkpoint=enable has some unwritten data."); | |
b0ff4fe7 | 2131 | |
e4544b63 | 2132 | f2fs_down_write(&sbi->gc_lock); |
4354994f DR |
2133 | f2fs_dirty_to_prefree(sbi); |
2134 | ||
2135 | clear_sbi_flag(sbi, SBI_CP_DISABLED); | |
2136 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
e4544b63 | 2137 | f2fs_up_write(&sbi->gc_lock); |
4354994f DR |
2138 | |
2139 | f2fs_sync_fs(sbi->sb, 1); | |
2140 | } | |
2141 | ||
696c018c NJ |
2142 | static int f2fs_remount(struct super_block *sb, int *flags, char *data) |
2143 | { | |
2144 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2145 | struct f2fs_mount_info org_mount_opt; | |
0abd675e | 2146 | unsigned long old_sb_flags; |
63189b78 | 2147 | int err; |
3fd97359 CY |
2148 | bool need_restart_gc = false, need_stop_gc = false; |
2149 | bool need_restart_ckpt = false, need_stop_ckpt = false; | |
2150 | bool need_restart_flush = false, need_stop_flush = false; | |
4d674904 | 2151 | bool need_restart_discard = false, need_stop_discard = false; |
9cd81ce3 | 2152 | bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); |
277afbde | 2153 | bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT); |
1f78adfa | 2154 | bool no_io_align = !F2FS_IO_ALIGNED(sbi); |
093749e2 | 2155 | bool no_atgc = !test_opt(sbi, ATGC); |
4d674904 | 2156 | bool no_discard = !test_opt(sbi, DISCARD); |
6ce19aff | 2157 | bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE); |
4f993264 | 2158 | bool block_unit_discard = f2fs_block_unit_discard(sbi); |
4d674904 | 2159 | struct discard_cmd_control *dcc; |
4b2414d0 | 2160 | #ifdef CONFIG_QUOTA |
4b2414d0 CY |
2161 | int i, j; |
2162 | #endif | |
696c018c NJ |
2163 | |
2164 | /* | |
2165 | * Save the old mount options in case we | |
2166 | * need to restore them. | |
2167 | */ | |
2168 | org_mount_opt = sbi->mount_opt; | |
0abd675e | 2169 | old_sb_flags = sb->s_flags; |
696c018c | 2170 | |
4b2414d0 | 2171 | #ifdef CONFIG_QUOTA |
63189b78 | 2172 | org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt; |
4b2414d0 | 2173 | for (i = 0; i < MAXQUOTAS; i++) { |
63189b78 CY |
2174 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
2175 | org_mount_opt.s_qf_names[i] = | |
2176 | kstrdup(F2FS_OPTION(sbi).s_qf_names[i], | |
2177 | GFP_KERNEL); | |
2178 | if (!org_mount_opt.s_qf_names[i]) { | |
4b2414d0 | 2179 | for (j = 0; j < i; j++) |
ba87a45c | 2180 | kfree(org_mount_opt.s_qf_names[j]); |
4b2414d0 CY |
2181 | return -ENOMEM; |
2182 | } | |
2183 | } else { | |
63189b78 | 2184 | org_mount_opt.s_qf_names[i] = NULL; |
4b2414d0 CY |
2185 | } |
2186 | } | |
2187 | #endif | |
2188 | ||
df728b0f | 2189 | /* recover superblocks we couldn't write due to previous RO mount */ |
1751e8a6 | 2190 | if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { |
df728b0f | 2191 | err = f2fs_commit_super(sbi, false); |
dcbb4c10 JP |
2192 | f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", |
2193 | err); | |
df728b0f JK |
2194 | if (!err) |
2195 | clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
2196 | } | |
2197 | ||
498c5e9f | 2198 | default_options(sbi); |
26666c8a | 2199 | |
696c018c | 2200 | /* parse mount options */ |
ed318a6c | 2201 | err = parse_options(sb, data, true); |
696c018c NJ |
2202 | if (err) |
2203 | goto restore_opts; | |
2204 | ||
2205 | /* | |
2206 | * Previous and new state of filesystem is RO, | |
876dc59e | 2207 | * so skip checking GC and FLUSH_MERGE conditions. |
696c018c | 2208 | */ |
1751e8a6 | 2209 | if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) |
696c018c NJ |
2210 | goto skip; |
2211 | ||
a7d9fe3c JK |
2212 | if (f2fs_sb_has_readonly(sbi) && !(*flags & SB_RDONLY)) { |
2213 | err = -EROFS; | |
2214 | goto restore_opts; | |
2215 | } | |
2216 | ||
ea676733 | 2217 | #ifdef CONFIG_QUOTA |
1751e8a6 | 2218 | if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { |
0abd675e CY |
2219 | err = dquot_suspend(sb, -1); |
2220 | if (err < 0) | |
2221 | goto restore_opts; | |
4354994f | 2222 | } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) { |
0abd675e | 2223 | /* dquot_resume needs RW */ |
1751e8a6 | 2224 | sb->s_flags &= ~SB_RDONLY; |
ea676733 JK |
2225 | if (sb_any_quota_suspended(sb)) { |
2226 | dquot_resume(sb, -1); | |
7beb01f7 | 2227 | } else if (f2fs_sb_has_quota_ino(sbi)) { |
ea676733 JK |
2228 | err = f2fs_enable_quotas(sb); |
2229 | if (err) | |
2230 | goto restore_opts; | |
2231 | } | |
0abd675e | 2232 | } |
ea676733 | 2233 | #endif |
093749e2 CY |
2234 | /* disallow enable atgc dynamically */ |
2235 | if (no_atgc == !!test_opt(sbi, ATGC)) { | |
2236 | err = -EINVAL; | |
2237 | f2fs_warn(sbi, "switch atgc option is not allowed"); | |
2238 | goto restore_opts; | |
2239 | } | |
2240 | ||
9cd81ce3 CY |
2241 | /* disallow enable/disable extent_cache dynamically */ |
2242 | if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { | |
2243 | err = -EINVAL; | |
dcbb4c10 | 2244 | f2fs_warn(sbi, "switch extent_cache option is not allowed"); |
9cd81ce3 CY |
2245 | goto restore_opts; |
2246 | } | |
2247 | ||
1f78adfa CY |
2248 | if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) { |
2249 | err = -EINVAL; | |
2250 | f2fs_warn(sbi, "switch io_bits option is not allowed"); | |
2251 | goto restore_opts; | |
2252 | } | |
2253 | ||
6ce19aff CY |
2254 | if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) { |
2255 | err = -EINVAL; | |
2256 | f2fs_warn(sbi, "switch compress_cache option is not allowed"); | |
2257 | goto restore_opts; | |
2258 | } | |
2259 | ||
4f993264 CY |
2260 | if (block_unit_discard != f2fs_block_unit_discard(sbi)) { |
2261 | err = -EINVAL; | |
2262 | f2fs_warn(sbi, "switch discard_unit option is not allowed"); | |
2263 | goto restore_opts; | |
2264 | } | |
2265 | ||
4354994f DR |
2266 | if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { |
2267 | err = -EINVAL; | |
dcbb4c10 | 2268 | f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); |
4354994f DR |
2269 | goto restore_opts; |
2270 | } | |
2271 | ||
696c018c NJ |
2272 | /* |
2273 | * We stop the GC thread if FS is mounted as RO | |
2274 | * or if background_gc = off is passed in mount | |
2275 | * option. Also sync the filesystem. | |
2276 | */ | |
bbbc34fd | 2277 | if ((*flags & SB_RDONLY) || |
5911d2d1 CY |
2278 | (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF && |
2279 | !test_opt(sbi, GC_MERGE))) { | |
696c018c | 2280 | if (sbi->gc_thread) { |
4d57b86d | 2281 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2282 | need_restart_gc = true; |
696c018c | 2283 | } |
aba291b3 | 2284 | } else if (!sbi->gc_thread) { |
4d57b86d | 2285 | err = f2fs_start_gc_thread(sbi); |
696c018c NJ |
2286 | if (err) |
2287 | goto restore_opts; | |
876dc59e GZ |
2288 | need_stop_gc = true; |
2289 | } | |
2290 | ||
930e2607 | 2291 | if (*flags & SB_RDONLY) { |
faa0e55b JK |
2292 | sync_inodes_sb(sb); |
2293 | ||
2294 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
2295 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
2296 | f2fs_sync_fs(sb, 1); | |
2297 | clear_sbi_flag(sbi, SBI_IS_CLOSE); | |
2298 | } | |
2299 | ||
3f7070b0 CY |
2300 | if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) || |
2301 | !test_opt(sbi, MERGE_CHECKPOINT)) { | |
2302 | f2fs_stop_ckpt_thread(sbi); | |
3fd97359 | 2303 | need_restart_ckpt = true; |
3f7070b0 | 2304 | } else { |
261eeb9c DJ |
2305 | err = f2fs_start_ckpt_thread(sbi); |
2306 | if (err) { | |
2307 | f2fs_err(sbi, | |
2308 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
2309 | err); | |
2310 | goto restore_gc; | |
2311 | } | |
3fd97359 | 2312 | need_stop_ckpt = true; |
261eeb9c DJ |
2313 | } |
2314 | ||
876dc59e GZ |
2315 | /* |
2316 | * We stop issue flush thread if FS is mounted as RO | |
2317 | * or if flush_merge is not passed in mount option. | |
2318 | */ | |
1751e8a6 | 2319 | if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { |
5eba8c5d | 2320 | clear_opt(sbi, FLUSH_MERGE); |
4d57b86d | 2321 | f2fs_destroy_flush_cmd_control(sbi, false); |
3fd97359 | 2322 | need_restart_flush = true; |
5eba8c5d | 2323 | } else { |
4d57b86d | 2324 | err = f2fs_create_flush_cmd_control(sbi); |
2163d198 | 2325 | if (err) |
3fd97359 CY |
2326 | goto restore_ckpt; |
2327 | need_stop_flush = true; | |
696c018c | 2328 | } |
3fd97359 | 2329 | |
4d674904 FC |
2330 | if (no_discard == !!test_opt(sbi, DISCARD)) { |
2331 | if (test_opt(sbi, DISCARD)) { | |
2332 | err = f2fs_start_discard_thread(sbi); | |
2333 | if (err) | |
2334 | goto restore_flush; | |
2335 | need_stop_discard = true; | |
2336 | } else { | |
2337 | dcc = SM_I(sbi)->dcc_info; | |
2338 | f2fs_stop_discard_thread(sbi); | |
2339 | if (atomic_read(&dcc->discard_cmd_cnt)) | |
2340 | f2fs_issue_discard_timeout(sbi); | |
2341 | need_restart_discard = true; | |
2342 | } | |
2343 | } | |
2344 | ||
277afbde | 2345 | if (enable_checkpoint == !!test_opt(sbi, DISABLE_CHECKPOINT)) { |
3fd97359 CY |
2346 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
2347 | err = f2fs_disable_checkpoint(sbi); | |
2348 | if (err) | |
4d674904 | 2349 | goto restore_discard; |
3fd97359 CY |
2350 | } else { |
2351 | f2fs_enable_checkpoint(sbi); | |
2352 | } | |
2353 | } | |
2354 | ||
696c018c | 2355 | skip: |
4b2414d0 CY |
2356 | #ifdef CONFIG_QUOTA |
2357 | /* Release old quota file names */ | |
2358 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 2359 | kfree(org_mount_opt.s_qf_names[i]); |
4b2414d0 | 2360 | #endif |
696c018c | 2361 | /* Update the POSIXACL Flag */ |
1751e8a6 LT |
2362 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
2363 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
df728b0f | 2364 | |
7e65be49 | 2365 | limit_reserve_root(sbi); |
1ae18f71 | 2366 | adjust_unusable_cap_perc(sbi); |
095680f2 | 2367 | *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); |
696c018c | 2368 | return 0; |
4d674904 FC |
2369 | restore_discard: |
2370 | if (need_restart_discard) { | |
2371 | if (f2fs_start_discard_thread(sbi)) | |
2372 | f2fs_warn(sbi, "discard has been stopped"); | |
2373 | } else if (need_stop_discard) { | |
2374 | f2fs_stop_discard_thread(sbi); | |
2375 | } | |
3fd97359 CY |
2376 | restore_flush: |
2377 | if (need_restart_flush) { | |
2378 | if (f2fs_create_flush_cmd_control(sbi)) | |
2379 | f2fs_warn(sbi, "background flush thread has stopped"); | |
2380 | } else if (need_stop_flush) { | |
2381 | clear_opt(sbi, FLUSH_MERGE); | |
2382 | f2fs_destroy_flush_cmd_control(sbi, false); | |
2383 | } | |
2384 | restore_ckpt: | |
2385 | if (need_restart_ckpt) { | |
2386 | if (f2fs_start_ckpt_thread(sbi)) | |
2387 | f2fs_warn(sbi, "background ckpt thread has stopped"); | |
2388 | } else if (need_stop_ckpt) { | |
2389 | f2fs_stop_ckpt_thread(sbi); | |
2390 | } | |
876dc59e GZ |
2391 | restore_gc: |
2392 | if (need_restart_gc) { | |
4d57b86d | 2393 | if (f2fs_start_gc_thread(sbi)) |
dcbb4c10 | 2394 | f2fs_warn(sbi, "background gc thread has stopped"); |
876dc59e | 2395 | } else if (need_stop_gc) { |
4d57b86d | 2396 | f2fs_stop_gc_thread(sbi); |
876dc59e | 2397 | } |
696c018c | 2398 | restore_opts: |
4b2414d0 | 2399 | #ifdef CONFIG_QUOTA |
63189b78 | 2400 | F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; |
4b2414d0 | 2401 | for (i = 0; i < MAXQUOTAS; i++) { |
ba87a45c | 2402 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
63189b78 | 2403 | F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; |
4b2414d0 CY |
2404 | } |
2405 | #endif | |
696c018c | 2406 | sbi->mount_opt = org_mount_opt; |
0abd675e | 2407 | sb->s_flags = old_sb_flags; |
696c018c NJ |
2408 | return err; |
2409 | } | |
2410 | ||
0abd675e CY |
2411 | #ifdef CONFIG_QUOTA |
2412 | /* Read data from quotafile */ | |
2413 | static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, | |
2414 | size_t len, loff_t off) | |
2415 | { | |
2416 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2417 | struct address_space *mapping = inode->i_mapping; | |
2418 | block_t blkidx = F2FS_BYTES_TO_BLK(off); | |
2419 | int offset = off & (sb->s_blocksize - 1); | |
2420 | int tocopy; | |
2421 | size_t toread; | |
2422 | loff_t i_size = i_size_read(inode); | |
2423 | struct page *page; | |
2424 | char *kaddr; | |
2425 | ||
2426 | if (off > i_size) | |
2427 | return 0; | |
2428 | ||
2429 | if (off + len > i_size) | |
2430 | len = i_size - off; | |
2431 | toread = len; | |
2432 | while (toread > 0) { | |
2433 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); | |
2434 | repeat: | |
02117b8a | 2435 | page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS); |
4e46a023 JK |
2436 | if (IS_ERR(page)) { |
2437 | if (PTR_ERR(page) == -ENOMEM) { | |
4034247a | 2438 | memalloc_retry_wait(GFP_NOFS); |
4e46a023 JK |
2439 | goto repeat; |
2440 | } | |
af033b2a | 2441 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2442 | return PTR_ERR(page); |
4e46a023 | 2443 | } |
0abd675e CY |
2444 | |
2445 | lock_page(page); | |
2446 | ||
2447 | if (unlikely(page->mapping != mapping)) { | |
2448 | f2fs_put_page(page, 1); | |
2449 | goto repeat; | |
2450 | } | |
2451 | if (unlikely(!PageUptodate(page))) { | |
2452 | f2fs_put_page(page, 1); | |
af033b2a | 2453 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e CY |
2454 | return -EIO; |
2455 | } | |
2456 | ||
2457 | kaddr = kmap_atomic(page); | |
2458 | memcpy(data, kaddr + offset, tocopy); | |
2459 | kunmap_atomic(kaddr); | |
2460 | f2fs_put_page(page, 1); | |
2461 | ||
2462 | offset = 0; | |
2463 | toread -= tocopy; | |
2464 | data += tocopy; | |
2465 | blkidx++; | |
2466 | } | |
2467 | return len; | |
2468 | } | |
2469 | ||
2470 | /* Write to quotafile */ | |
2471 | static ssize_t f2fs_quota_write(struct super_block *sb, int type, | |
2472 | const char *data, size_t len, loff_t off) | |
2473 | { | |
2474 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2475 | struct address_space *mapping = inode->i_mapping; | |
2476 | const struct address_space_operations *a_ops = mapping->a_ops; | |
2477 | int offset = off & (sb->s_blocksize - 1); | |
2478 | size_t towrite = len; | |
2479 | struct page *page; | |
62f63eea | 2480 | void *fsdata = NULL; |
0abd675e CY |
2481 | char *kaddr; |
2482 | int err = 0; | |
2483 | int tocopy; | |
2484 | ||
2485 | while (towrite > 0) { | |
2486 | tocopy = min_t(unsigned long, sb->s_blocksize - offset, | |
2487 | towrite); | |
4e46a023 | 2488 | retry: |
0abd675e | 2489 | err = a_ops->write_begin(NULL, mapping, off, tocopy, 0, |
62f63eea | 2490 | &page, &fsdata); |
4e46a023 JK |
2491 | if (unlikely(err)) { |
2492 | if (err == -ENOMEM) { | |
a64239d0 | 2493 | f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); |
4e46a023 JK |
2494 | goto retry; |
2495 | } | |
af033b2a | 2496 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
0abd675e | 2497 | break; |
4e46a023 | 2498 | } |
0abd675e CY |
2499 | |
2500 | kaddr = kmap_atomic(page); | |
2501 | memcpy(kaddr + offset, data, tocopy); | |
2502 | kunmap_atomic(kaddr); | |
2503 | flush_dcache_page(page); | |
2504 | ||
2505 | a_ops->write_end(NULL, mapping, off, tocopy, tocopy, | |
62f63eea | 2506 | page, fsdata); |
0abd675e CY |
2507 | offset = 0; |
2508 | towrite -= tocopy; | |
2509 | off += tocopy; | |
2510 | data += tocopy; | |
2511 | cond_resched(); | |
2512 | } | |
2513 | ||
2514 | if (len == towrite) | |
6e5b5d41 | 2515 | return err; |
0abd675e CY |
2516 | inode->i_mtime = inode->i_ctime = current_time(inode); |
2517 | f2fs_mark_inode_dirty_sync(inode, false); | |
2518 | return len - towrite; | |
2519 | } | |
2520 | ||
10a26878 CY |
2521 | int f2fs_dquot_initialize(struct inode *inode) |
2522 | { | |
2523 | if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT)) { | |
2524 | f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_DQUOT_INIT); | |
2525 | return -ESRCH; | |
2526 | } | |
2527 | ||
2528 | return dquot_initialize(inode); | |
2529 | } | |
2530 | ||
0abd675e CY |
2531 | static struct dquot **f2fs_get_dquots(struct inode *inode) |
2532 | { | |
2533 | return F2FS_I(inode)->i_dquot; | |
2534 | } | |
2535 | ||
2536 | static qsize_t *f2fs_get_reserved_space(struct inode *inode) | |
2537 | { | |
2538 | return &F2FS_I(inode)->i_reserved_quota; | |
2539 | } | |
2540 | ||
4b2414d0 CY |
2541 | static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) |
2542 | { | |
af033b2a | 2543 | if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2544 | f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); |
af033b2a CY |
2545 | return 0; |
2546 | } | |
2547 | ||
63189b78 CY |
2548 | return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], |
2549 | F2FS_OPTION(sbi).s_jquota_fmt, type); | |
4b2414d0 CY |
2550 | } |
2551 | ||
ea676733 | 2552 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) |
4b2414d0 | 2553 | { |
ea676733 JK |
2554 | int enabled = 0; |
2555 | int i, err; | |
2556 | ||
7beb01f7 | 2557 | if (f2fs_sb_has_quota_ino(sbi) && rdonly) { |
ea676733 JK |
2558 | err = f2fs_enable_quotas(sbi->sb); |
2559 | if (err) { | |
dcbb4c10 | 2560 | f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); |
ea676733 JK |
2561 | return 0; |
2562 | } | |
2563 | return 1; | |
2564 | } | |
4b2414d0 CY |
2565 | |
2566 | for (i = 0; i < MAXQUOTAS; i++) { | |
63189b78 | 2567 | if (F2FS_OPTION(sbi).s_qf_names[i]) { |
ea676733 JK |
2568 | err = f2fs_quota_on_mount(sbi, i); |
2569 | if (!err) { | |
2570 | enabled = 1; | |
2571 | continue; | |
2572 | } | |
dcbb4c10 JP |
2573 | f2fs_err(sbi, "Cannot turn on quotas: %d on %d", |
2574 | err, i); | |
4b2414d0 CY |
2575 | } |
2576 | } | |
ea676733 JK |
2577 | return enabled; |
2578 | } | |
2579 | ||
2580 | static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, | |
2581 | unsigned int flags) | |
2582 | { | |
2583 | struct inode *qf_inode; | |
2584 | unsigned long qf_inum; | |
2585 | int err; | |
2586 | ||
7beb01f7 | 2587 | BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); |
ea676733 JK |
2588 | |
2589 | qf_inum = f2fs_qf_ino(sb, type); | |
2590 | if (!qf_inum) | |
2591 | return -EPERM; | |
2592 | ||
2593 | qf_inode = f2fs_iget(sb, qf_inum); | |
2594 | if (IS_ERR(qf_inode)) { | |
dcbb4c10 | 2595 | f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); |
ea676733 JK |
2596 | return PTR_ERR(qf_inode); |
2597 | } | |
2598 | ||
2599 | /* Don't account quota for quota files to avoid recursion */ | |
2600 | qf_inode->i_flags |= S_NOQUOTA; | |
7212b95e | 2601 | err = dquot_load_quota_inode(qf_inode, type, format_id, flags); |
ea676733 JK |
2602 | iput(qf_inode); |
2603 | return err; | |
2604 | } | |
2605 | ||
2606 | static int f2fs_enable_quotas(struct super_block *sb) | |
2607 | { | |
dcbb4c10 | 2608 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
ea676733 JK |
2609 | int type, err = 0; |
2610 | unsigned long qf_inum; | |
2611 | bool quota_mopt[MAXQUOTAS] = { | |
dcbb4c10 JP |
2612 | test_opt(sbi, USRQUOTA), |
2613 | test_opt(sbi, GRPQUOTA), | |
2614 | test_opt(sbi, PRJQUOTA), | |
ea676733 JK |
2615 | }; |
2616 | ||
af033b2a | 2617 | if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { |
dcbb4c10 | 2618 | f2fs_err(sbi, "quota file may be corrupted, skip loading it"); |
af033b2a CY |
2619 | return 0; |
2620 | } | |
2621 | ||
2622 | sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; | |
2623 | ||
ea676733 JK |
2624 | for (type = 0; type < MAXQUOTAS; type++) { |
2625 | qf_inum = f2fs_qf_ino(sb, type); | |
2626 | if (qf_inum) { | |
2627 | err = f2fs_quota_enable(sb, type, QFMT_VFS_V1, | |
2628 | DQUOT_USAGE_ENABLED | | |
2629 | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); | |
2630 | if (err) { | |
dcbb4c10 JP |
2631 | f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", |
2632 | type, err); | |
ea676733 JK |
2633 | for (type--; type >= 0; type--) |
2634 | dquot_quota_off(sb, type); | |
af033b2a CY |
2635 | set_sbi_flag(F2FS_SB(sb), |
2636 | SBI_QUOTA_NEED_REPAIR); | |
ea676733 JK |
2637 | return err; |
2638 | } | |
4b2414d0 CY |
2639 | } |
2640 | } | |
ea676733 | 2641 | return 0; |
4b2414d0 CY |
2642 | } |
2643 | ||
9de71ede CY |
2644 | static int f2fs_quota_sync_file(struct f2fs_sb_info *sbi, int type) |
2645 | { | |
2646 | struct quota_info *dqopt = sb_dqopt(sbi->sb); | |
2647 | struct address_space *mapping = dqopt->files[type]->i_mapping; | |
2648 | int ret = 0; | |
2649 | ||
2650 | ret = dquot_writeback_dquots(sbi->sb, type); | |
2651 | if (ret) | |
2652 | goto out; | |
2653 | ||
2654 | ret = filemap_fdatawrite(mapping); | |
2655 | if (ret) | |
2656 | goto out; | |
2657 | ||
2658 | /* if we are using journalled quota */ | |
2659 | if (is_journalled_quota(sbi)) | |
2660 | goto out; | |
2661 | ||
2662 | ret = filemap_fdatawait(mapping); | |
2663 | ||
2664 | truncate_inode_pages(&dqopt->files[type]->i_data, 0); | |
2665 | out: | |
2666 | if (ret) | |
2667 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2668 | return ret; | |
2669 | } | |
2670 | ||
af033b2a | 2671 | int f2fs_quota_sync(struct super_block *sb, int type) |
0abd675e | 2672 | { |
af033b2a | 2673 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
0abd675e CY |
2674 | struct quota_info *dqopt = sb_dqopt(sb); |
2675 | int cnt; | |
680af5b8 | 2676 | int ret = 0; |
0abd675e | 2677 | |
0abd675e CY |
2678 | /* |
2679 | * Now when everything is written we can discard the pagecache so | |
2680 | * that userspace sees the changes. | |
2681 | */ | |
2682 | for (cnt = 0; cnt < MAXQUOTAS; cnt++) { | |
af033b2a | 2683 | |
0abd675e CY |
2684 | if (type != -1 && cnt != type) |
2685 | continue; | |
0abd675e | 2686 | |
680af5b8 JP |
2687 | if (!sb_has_quota_active(sb, cnt)) |
2688 | continue; | |
af033b2a | 2689 | |
9de71ede | 2690 | inode_lock(dqopt->files[cnt]); |
af033b2a | 2691 | |
9de71ede CY |
2692 | /* |
2693 | * do_quotactl | |
2694 | * f2fs_quota_sync | |
e4544b63 | 2695 | * f2fs_down_read(quota_sem) |
9de71ede CY |
2696 | * dquot_writeback_dquots() |
2697 | * f2fs_dquot_commit | |
2698 | * block_operation | |
e4544b63 | 2699 | * f2fs_down_read(quota_sem) |
9de71ede CY |
2700 | */ |
2701 | f2fs_lock_op(sbi); | |
e4544b63 | 2702 | f2fs_down_read(&sbi->quota_sem); |
af033b2a | 2703 | |
9de71ede CY |
2704 | ret = f2fs_quota_sync_file(sbi, cnt); |
2705 | ||
e4544b63 | 2706 | f2fs_up_read(&sbi->quota_sem); |
9de71ede | 2707 | f2fs_unlock_op(sbi); |
0abd675e | 2708 | |
0abd675e | 2709 | inode_unlock(dqopt->files[cnt]); |
9de71ede CY |
2710 | |
2711 | if (ret) | |
2712 | break; | |
0abd675e | 2713 | } |
af033b2a | 2714 | return ret; |
0abd675e CY |
2715 | } |
2716 | ||
2717 | static int f2fs_quota_on(struct super_block *sb, int type, int format_id, | |
2718 | const struct path *path) | |
2719 | { | |
2720 | struct inode *inode; | |
2721 | int err; | |
2722 | ||
fe973b06 CY |
2723 | /* if quota sysfile exists, deny enabling quota with specific file */ |
2724 | if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) { | |
2725 | f2fs_err(F2FS_SB(sb), "quota sysfile already exists"); | |
2726 | return -EBUSY; | |
2727 | } | |
2728 | ||
9a20d391 | 2729 | err = f2fs_quota_sync(sb, type); |
0abd675e CY |
2730 | if (err) |
2731 | return err; | |
2732 | ||
2733 | err = dquot_quota_on(sb, type, format_id, path); | |
2734 | if (err) | |
2735 | return err; | |
2736 | ||
2737 | inode = d_inode(path->dentry); | |
2738 | ||
2739 | inode_lock(inode); | |
59c84408 | 2740 | F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; |
9149a5eb | 2741 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2742 | inode_unlock(inode); |
2743 | f2fs_mark_inode_dirty_sync(inode, false); | |
2744 | ||
2745 | return 0; | |
2746 | } | |
2747 | ||
fe973b06 | 2748 | static int __f2fs_quota_off(struct super_block *sb, int type) |
0abd675e CY |
2749 | { |
2750 | struct inode *inode = sb_dqopt(sb)->files[type]; | |
2751 | int err; | |
2752 | ||
2753 | if (!inode || !igrab(inode)) | |
2754 | return dquot_quota_off(sb, type); | |
2755 | ||
cda9cc59 YH |
2756 | err = f2fs_quota_sync(sb, type); |
2757 | if (err) | |
2758 | goto out_put; | |
0abd675e CY |
2759 | |
2760 | err = dquot_quota_off(sb, type); | |
7beb01f7 | 2761 | if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) |
0abd675e CY |
2762 | goto out_put; |
2763 | ||
2764 | inode_lock(inode); | |
59c84408 | 2765 | F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); |
9149a5eb | 2766 | f2fs_set_inode_flags(inode); |
0abd675e CY |
2767 | inode_unlock(inode); |
2768 | f2fs_mark_inode_dirty_sync(inode, false); | |
2769 | out_put: | |
2770 | iput(inode); | |
2771 | return err; | |
2772 | } | |
2773 | ||
fe973b06 CY |
2774 | static int f2fs_quota_off(struct super_block *sb, int type) |
2775 | { | |
2776 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2777 | int err; | |
2778 | ||
2779 | err = __f2fs_quota_off(sb, type); | |
2780 | ||
2781 | /* | |
2782 | * quotactl can shutdown journalled quota, result in inconsistence | |
2783 | * between quota record and fs data by following updates, tag the | |
2784 | * flag to let fsck be aware of it. | |
2785 | */ | |
2786 | if (is_journalled_quota(sbi)) | |
2787 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
2788 | return err; | |
2789 | } | |
2790 | ||
4b2414d0 | 2791 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2792 | { |
2793 | int type; | |
cda9cc59 YH |
2794 | int err; |
2795 | ||
2796 | for (type = 0; type < MAXQUOTAS; type++) { | |
fe973b06 | 2797 | err = __f2fs_quota_off(sb, type); |
cda9cc59 YH |
2798 | if (err) { |
2799 | int ret = dquot_quota_off(sb, type); | |
0abd675e | 2800 | |
dcbb4c10 JP |
2801 | f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", |
2802 | type, err, ret); | |
af033b2a | 2803 | set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); |
cda9cc59 YH |
2804 | } |
2805 | } | |
0e0667b6 JK |
2806 | /* |
2807 | * In case of checkpoint=disable, we must flush quota blocks. | |
2808 | * This can cause NULL exception for node_inode in end_io, since | |
2809 | * put_super already dropped it. | |
2810 | */ | |
2811 | sync_filesystem(sb); | |
0abd675e CY |
2812 | } |
2813 | ||
26b5a079 SY |
2814 | static void f2fs_truncate_quota_inode_pages(struct super_block *sb) |
2815 | { | |
2816 | struct quota_info *dqopt = sb_dqopt(sb); | |
2817 | int type; | |
2818 | ||
2819 | for (type = 0; type < MAXQUOTAS; type++) { | |
2820 | if (!dqopt->files[type]) | |
2821 | continue; | |
2822 | f2fs_inode_synced(dqopt->files[type]); | |
2823 | } | |
2824 | } | |
2825 | ||
af033b2a CY |
2826 | static int f2fs_dquot_commit(struct dquot *dquot) |
2827 | { | |
db6ec53b | 2828 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2829 | int ret; |
2830 | ||
e4544b63 | 2831 | f2fs_down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); |
af033b2a CY |
2832 | ret = dquot_commit(dquot); |
2833 | if (ret < 0) | |
db6ec53b | 2834 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
e4544b63 | 2835 | f2fs_up_read(&sbi->quota_sem); |
af033b2a CY |
2836 | return ret; |
2837 | } | |
2838 | ||
2839 | static int f2fs_dquot_acquire(struct dquot *dquot) | |
2840 | { | |
db6ec53b | 2841 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
af033b2a CY |
2842 | int ret; |
2843 | ||
e4544b63 | 2844 | f2fs_down_read(&sbi->quota_sem); |
af033b2a CY |
2845 | ret = dquot_acquire(dquot); |
2846 | if (ret < 0) | |
db6ec53b | 2847 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
e4544b63 | 2848 | f2fs_up_read(&sbi->quota_sem); |
af033b2a CY |
2849 | return ret; |
2850 | } | |
2851 | ||
2852 | static int f2fs_dquot_release(struct dquot *dquot) | |
2853 | { | |
db6ec53b | 2854 | struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); |
2c4e0c52 | 2855 | int ret = dquot_release(dquot); |
af033b2a | 2856 | |
af033b2a | 2857 | if (ret < 0) |
db6ec53b | 2858 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2859 | return ret; |
2860 | } | |
2861 | ||
2862 | static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) | |
2863 | { | |
2864 | struct super_block *sb = dquot->dq_sb; | |
2865 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2c4e0c52 | 2866 | int ret = dquot_mark_dquot_dirty(dquot); |
af033b2a CY |
2867 | |
2868 | /* if we are using journalled quota */ | |
2869 | if (is_journalled_quota(sbi)) | |
2870 | set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); | |
2871 | ||
2872 | return ret; | |
2873 | } | |
2874 | ||
2875 | static int f2fs_dquot_commit_info(struct super_block *sb, int type) | |
2876 | { | |
db6ec53b | 2877 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
2c4e0c52 | 2878 | int ret = dquot_commit_info(sb, type); |
af033b2a | 2879 | |
af033b2a | 2880 | if (ret < 0) |
db6ec53b | 2881 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); |
af033b2a CY |
2882 | return ret; |
2883 | } | |
26b5a079 | 2884 | |
94b1e10e | 2885 | static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |
5c57132e CY |
2886 | { |
2887 | *projid = F2FS_I(inode)->i_projid; | |
2888 | return 0; | |
2889 | } | |
2890 | ||
0abd675e CY |
2891 | static const struct dquot_operations f2fs_quota_operations = { |
2892 | .get_reserved_space = f2fs_get_reserved_space, | |
af033b2a CY |
2893 | .write_dquot = f2fs_dquot_commit, |
2894 | .acquire_dquot = f2fs_dquot_acquire, | |
2895 | .release_dquot = f2fs_dquot_release, | |
2896 | .mark_dirty = f2fs_dquot_mark_dquot_dirty, | |
2897 | .write_info = f2fs_dquot_commit_info, | |
0abd675e CY |
2898 | .alloc_dquot = dquot_alloc, |
2899 | .destroy_dquot = dquot_destroy, | |
5c57132e | 2900 | .get_projid = f2fs_get_projid, |
0abd675e CY |
2901 | .get_next_id = dquot_get_next_id, |
2902 | }; | |
2903 | ||
2904 | static const struct quotactl_ops f2fs_quotactl_ops = { | |
2905 | .quota_on = f2fs_quota_on, | |
2906 | .quota_off = f2fs_quota_off, | |
2907 | .quota_sync = f2fs_quota_sync, | |
2908 | .get_state = dquot_get_state, | |
2909 | .set_info = dquot_set_dqinfo, | |
2910 | .get_dqblk = dquot_get_dqblk, | |
2911 | .set_dqblk = dquot_set_dqblk, | |
2912 | .get_nextdqblk = dquot_get_next_dqblk, | |
2913 | }; | |
2914 | #else | |
10a26878 CY |
2915 | int f2fs_dquot_initialize(struct inode *inode) |
2916 | { | |
2917 | return 0; | |
2918 | } | |
2919 | ||
af033b2a CY |
2920 | int f2fs_quota_sync(struct super_block *sb, int type) |
2921 | { | |
2922 | return 0; | |
2923 | } | |
2924 | ||
4b2414d0 | 2925 | void f2fs_quota_off_umount(struct super_block *sb) |
0abd675e CY |
2926 | { |
2927 | } | |
2928 | #endif | |
2929 | ||
f62fc9f9 | 2930 | static const struct super_operations f2fs_sops = { |
aff063e2 | 2931 | .alloc_inode = f2fs_alloc_inode, |
d01718a0 | 2932 | .free_inode = f2fs_free_inode, |
531ad7d5 | 2933 | .drop_inode = f2fs_drop_inode, |
aff063e2 | 2934 | .write_inode = f2fs_write_inode, |
b3783873 | 2935 | .dirty_inode = f2fs_dirty_inode, |
aff063e2 | 2936 | .show_options = f2fs_show_options, |
0abd675e CY |
2937 | #ifdef CONFIG_QUOTA |
2938 | .quota_read = f2fs_quota_read, | |
2939 | .quota_write = f2fs_quota_write, | |
2940 | .get_dquots = f2fs_get_dquots, | |
2941 | #endif | |
aff063e2 JK |
2942 | .evict_inode = f2fs_evict_inode, |
2943 | .put_super = f2fs_put_super, | |
2944 | .sync_fs = f2fs_sync_fs, | |
d6212a5f CL |
2945 | .freeze_fs = f2fs_freeze, |
2946 | .unfreeze_fs = f2fs_unfreeze, | |
aff063e2 | 2947 | .statfs = f2fs_statfs, |
696c018c | 2948 | .remount_fs = f2fs_remount, |
aff063e2 JK |
2949 | }; |
2950 | ||
643fa961 | 2951 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 JK |
2952 | static int f2fs_get_context(struct inode *inode, void *ctx, size_t len) |
2953 | { | |
2954 | return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, | |
2955 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2956 | ctx, len, NULL); | |
2957 | } | |
2958 | ||
2959 | static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, | |
2960 | void *fs_data) | |
2961 | { | |
b7c409de SY |
2962 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2963 | ||
2964 | /* | |
2965 | * Encrypting the root directory is not allowed because fsck | |
2966 | * expects lost+found directory to exist and remain unencrypted | |
2967 | * if LOST_FOUND feature is enabled. | |
2968 | * | |
2969 | */ | |
7beb01f7 | 2970 | if (f2fs_sb_has_lost_found(sbi) && |
b7c409de SY |
2971 | inode->i_ino == F2FS_ROOT_INO(sbi)) |
2972 | return -EPERM; | |
2973 | ||
0b81d077 JK |
2974 | return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION, |
2975 | F2FS_XATTR_NAME_ENCRYPTION_CONTEXT, | |
2976 | ctx, len, fs_data, XATTR_CREATE); | |
2977 | } | |
2978 | ||
ac4acb1f | 2979 | static const union fscrypt_policy *f2fs_get_dummy_policy(struct super_block *sb) |
ff62af20 | 2980 | { |
ac4acb1f | 2981 | return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_policy.policy; |
ff62af20 SY |
2982 | } |
2983 | ||
0eee17e3 EB |
2984 | static bool f2fs_has_stable_inodes(struct super_block *sb) |
2985 | { | |
2986 | return true; | |
2987 | } | |
2988 | ||
2989 | static void f2fs_get_ino_and_lblk_bits(struct super_block *sb, | |
2990 | int *ino_bits_ret, int *lblk_bits_ret) | |
2991 | { | |
2992 | *ino_bits_ret = 8 * sizeof(nid_t); | |
2993 | *lblk_bits_ret = 8 * sizeof(block_t); | |
2994 | } | |
2995 | ||
27aacd28 ST |
2996 | static int f2fs_get_num_devices(struct super_block *sb) |
2997 | { | |
2998 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
2999 | ||
3000 | if (f2fs_is_multi_device(sbi)) | |
3001 | return sbi->s_ndevs; | |
3002 | return 1; | |
3003 | } | |
3004 | ||
3005 | static void f2fs_get_devices(struct super_block *sb, | |
3006 | struct request_queue **devs) | |
3007 | { | |
3008 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
3009 | int i; | |
3010 | ||
3011 | for (i = 0; i < sbi->s_ndevs; i++) | |
3012 | devs[i] = bdev_get_queue(FDEV(i).bdev); | |
3013 | } | |
3014 | ||
6f69f0ed | 3015 | static const struct fscrypt_operations f2fs_cryptops = { |
0eee17e3 EB |
3016 | .key_prefix = "f2fs:", |
3017 | .get_context = f2fs_get_context, | |
3018 | .set_context = f2fs_set_context, | |
ac4acb1f | 3019 | .get_dummy_policy = f2fs_get_dummy_policy, |
0eee17e3 | 3020 | .empty_dir = f2fs_empty_dir, |
0eee17e3 EB |
3021 | .has_stable_inodes = f2fs_has_stable_inodes, |
3022 | .get_ino_and_lblk_bits = f2fs_get_ino_and_lblk_bits, | |
27aacd28 ST |
3023 | .get_num_devices = f2fs_get_num_devices, |
3024 | .get_devices = f2fs_get_devices, | |
0b81d077 | 3025 | }; |
0b81d077 JK |
3026 | #endif |
3027 | ||
aff063e2 JK |
3028 | static struct inode *f2fs_nfs_get_inode(struct super_block *sb, |
3029 | u64 ino, u32 generation) | |
3030 | { | |
3031 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
3032 | struct inode *inode; | |
3033 | ||
4d57b86d | 3034 | if (f2fs_check_nid_range(sbi, ino)) |
910bb12d | 3035 | return ERR_PTR(-ESTALE); |
aff063e2 JK |
3036 | |
3037 | /* | |
3038 | * f2fs_iget isn't quite right if the inode is currently unallocated! | |
3039 | * However f2fs_iget currently does appropriate checks to handle stale | |
3040 | * inodes so everything is OK. | |
3041 | */ | |
3042 | inode = f2fs_iget(sb, ino); | |
3043 | if (IS_ERR(inode)) | |
3044 | return ERR_CAST(inode); | |
6bacf52f | 3045 | if (unlikely(generation && inode->i_generation != generation)) { |
aff063e2 JK |
3046 | /* we didn't find the right inode.. */ |
3047 | iput(inode); | |
3048 | return ERR_PTR(-ESTALE); | |
3049 | } | |
3050 | return inode; | |
3051 | } | |
3052 | ||
3053 | static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid, | |
3054 | int fh_len, int fh_type) | |
3055 | { | |
3056 | return generic_fh_to_dentry(sb, fid, fh_len, fh_type, | |
3057 | f2fs_nfs_get_inode); | |
3058 | } | |
3059 | ||
3060 | static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid, | |
3061 | int fh_len, int fh_type) | |
3062 | { | |
3063 | return generic_fh_to_parent(sb, fid, fh_len, fh_type, | |
3064 | f2fs_nfs_get_inode); | |
3065 | } | |
3066 | ||
3067 | static const struct export_operations f2fs_export_ops = { | |
3068 | .fh_to_dentry = f2fs_fh_to_dentry, | |
3069 | .fh_to_parent = f2fs_fh_to_parent, | |
3070 | .get_parent = f2fs_get_parent, | |
3071 | }; | |
3072 | ||
6d1451bf | 3073 | loff_t max_file_blocks(struct inode *inode) |
aff063e2 | 3074 | { |
7a2af766 | 3075 | loff_t result = 0; |
6d1451bf | 3076 | loff_t leaf_count; |
aff063e2 | 3077 | |
7a2af766 CY |
3078 | /* |
3079 | * note: previously, result is equal to (DEF_ADDRS_PER_INODE - | |
6afc662e | 3080 | * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more |
7a2af766 CY |
3081 | * space in inode.i_addr, it will be more safe to reassign |
3082 | * result as zero. | |
3083 | */ | |
3084 | ||
6d1451bf CX |
3085 | if (inode && f2fs_compressed_file(inode)) |
3086 | leaf_count = ADDRS_PER_BLOCK(inode); | |
3087 | else | |
3088 | leaf_count = DEF_ADDRS_PER_BLOCK; | |
3089 | ||
aff063e2 JK |
3090 | /* two direct node blocks */ |
3091 | result += (leaf_count * 2); | |
3092 | ||
3093 | /* two indirect node blocks */ | |
3094 | leaf_count *= NIDS_PER_BLOCK; | |
3095 | result += (leaf_count * 2); | |
3096 | ||
3097 | /* one double indirect node block */ | |
3098 | leaf_count *= NIDS_PER_BLOCK; | |
3099 | result += leaf_count; | |
3100 | ||
aff063e2 JK |
3101 | return result; |
3102 | } | |
3103 | ||
fd694733 JK |
3104 | static int __f2fs_commit_super(struct buffer_head *bh, |
3105 | struct f2fs_super_block *super) | |
3106 | { | |
3107 | lock_buffer(bh); | |
3108 | if (super) | |
3109 | memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super)); | |
fd694733 JK |
3110 | set_buffer_dirty(bh); |
3111 | unlock_buffer(bh); | |
3112 | ||
3113 | /* it's rare case, we can do fua all the time */ | |
3adc5fcb | 3114 | return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA); |
fd694733 JK |
3115 | } |
3116 | ||
df728b0f | 3117 | static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, |
fd694733 | 3118 | struct buffer_head *bh) |
9a59b62f | 3119 | { |
fd694733 JK |
3120 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
3121 | (bh->b_data + F2FS_SUPER_OFFSET); | |
df728b0f | 3122 | struct super_block *sb = sbi->sb; |
9a59b62f CY |
3123 | u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); |
3124 | u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr); | |
3125 | u32 sit_blkaddr = le32_to_cpu(raw_super->sit_blkaddr); | |
3126 | u32 nat_blkaddr = le32_to_cpu(raw_super->nat_blkaddr); | |
3127 | u32 ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); | |
3128 | u32 main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); | |
3129 | u32 segment_count_ckpt = le32_to_cpu(raw_super->segment_count_ckpt); | |
3130 | u32 segment_count_sit = le32_to_cpu(raw_super->segment_count_sit); | |
3131 | u32 segment_count_nat = le32_to_cpu(raw_super->segment_count_nat); | |
3132 | u32 segment_count_ssa = le32_to_cpu(raw_super->segment_count_ssa); | |
3133 | u32 segment_count_main = le32_to_cpu(raw_super->segment_count_main); | |
3134 | u32 segment_count = le32_to_cpu(raw_super->segment_count); | |
3135 | u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
fd694733 JK |
3136 | u64 main_end_blkaddr = main_blkaddr + |
3137 | (segment_count_main << log_blocks_per_seg); | |
3138 | u64 seg_end_blkaddr = segment0_blkaddr + | |
3139 | (segment_count << log_blocks_per_seg); | |
9a59b62f CY |
3140 | |
3141 | if (segment0_blkaddr != cp_blkaddr) { | |
dcbb4c10 JP |
3142 | f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", |
3143 | segment0_blkaddr, cp_blkaddr); | |
9a59b62f CY |
3144 | return true; |
3145 | } | |
3146 | ||
3147 | if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != | |
3148 | sit_blkaddr) { | |
dcbb4c10 JP |
3149 | f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", |
3150 | cp_blkaddr, sit_blkaddr, | |
3151 | segment_count_ckpt << log_blocks_per_seg); | |
9a59b62f CY |
3152 | return true; |
3153 | } | |
3154 | ||
3155 | if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != | |
3156 | nat_blkaddr) { | |
dcbb4c10 JP |
3157 | f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", |
3158 | sit_blkaddr, nat_blkaddr, | |
3159 | segment_count_sit << log_blocks_per_seg); | |
9a59b62f CY |
3160 | return true; |
3161 | } | |
3162 | ||
3163 | if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != | |
3164 | ssa_blkaddr) { | |
dcbb4c10 JP |
3165 | f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", |
3166 | nat_blkaddr, ssa_blkaddr, | |
3167 | segment_count_nat << log_blocks_per_seg); | |
9a59b62f CY |
3168 | return true; |
3169 | } | |
3170 | ||
3171 | if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != | |
3172 | main_blkaddr) { | |
dcbb4c10 JP |
3173 | f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", |
3174 | ssa_blkaddr, main_blkaddr, | |
3175 | segment_count_ssa << log_blocks_per_seg); | |
9a59b62f CY |
3176 | return true; |
3177 | } | |
3178 | ||
fd694733 | 3179 | if (main_end_blkaddr > seg_end_blkaddr) { |
d89f5891 WX |
3180 | f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%llu) block(%u)", |
3181 | main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 3182 | segment_count_main << log_blocks_per_seg); |
9a59b62f | 3183 | return true; |
fd694733 JK |
3184 | } else if (main_end_blkaddr < seg_end_blkaddr) { |
3185 | int err = 0; | |
3186 | char *res; | |
3187 | ||
3188 | /* fix in-memory information all the time */ | |
3189 | raw_super->segment_count = cpu_to_le32((main_end_blkaddr - | |
3190 | segment0_blkaddr) >> log_blocks_per_seg); | |
3191 | ||
3192 | if (f2fs_readonly(sb) || bdev_read_only(sb->s_bdev)) { | |
df728b0f | 3193 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); |
fd694733 JK |
3194 | res = "internally"; |
3195 | } else { | |
3196 | err = __f2fs_commit_super(bh, NULL); | |
3197 | res = err ? "failed" : "done"; | |
3198 | } | |
d89f5891 WX |
3199 | f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)", |
3200 | res, main_blkaddr, seg_end_blkaddr, | |
dcbb4c10 | 3201 | segment_count_main << log_blocks_per_seg); |
fd694733 JK |
3202 | if (err) |
3203 | return true; | |
9a59b62f | 3204 | } |
9a59b62f CY |
3205 | return false; |
3206 | } | |
3207 | ||
df728b0f | 3208 | static int sanity_check_raw_super(struct f2fs_sb_info *sbi, |
fd694733 | 3209 | struct buffer_head *bh) |
aff063e2 | 3210 | { |
f99ba9ad | 3211 | block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main; |
0cfe75c5 | 3212 | block_t total_sections, blocks_per_seg; |
fd694733 JK |
3213 | struct f2fs_super_block *raw_super = (struct f2fs_super_block *) |
3214 | (bh->b_data + F2FS_SUPER_OFFSET); | |
d440c52d JZ |
3215 | size_t crc_offset = 0; |
3216 | __u32 crc = 0; | |
3217 | ||
38fb6d0e IZ |
3218 | if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { |
3219 | f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", | |
3220 | F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); | |
3221 | return -EINVAL; | |
3222 | } | |
3223 | ||
d440c52d | 3224 | /* Check checksum_offset and crc in superblock */ |
7beb01f7 | 3225 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { |
d440c52d JZ |
3226 | crc_offset = le32_to_cpu(raw_super->checksum_offset); |
3227 | if (crc_offset != | |
3228 | offsetof(struct f2fs_super_block, crc)) { | |
dcbb4c10 JP |
3229 | f2fs_info(sbi, "Invalid SB checksum offset: %zu", |
3230 | crc_offset); | |
38fb6d0e | 3231 | return -EFSCORRUPTED; |
d440c52d JZ |
3232 | } |
3233 | crc = le32_to_cpu(raw_super->crc); | |
3234 | if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { | |
dcbb4c10 | 3235 | f2fs_info(sbi, "Invalid SB checksum value: %u", crc); |
38fb6d0e | 3236 | return -EFSCORRUPTED; |
d440c52d JZ |
3237 | } |
3238 | } | |
aff063e2 | 3239 | |
aff063e2 | 3240 | /* Currently, support only 4KB block size */ |
e584bbe8 CY |
3241 | if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) { |
3242 | f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u", | |
3243 | le32_to_cpu(raw_super->log_blocksize), | |
3244 | F2FS_BLKSIZE_BITS); | |
38fb6d0e | 3245 | return -EFSCORRUPTED; |
a07ef784 | 3246 | } |
5c9b4692 | 3247 | |
9a59b62f CY |
3248 | /* check log blocks per segment */ |
3249 | if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { | |
dcbb4c10 JP |
3250 | f2fs_info(sbi, "Invalid log blocks per segment (%u)", |
3251 | le32_to_cpu(raw_super->log_blocks_per_seg)); | |
38fb6d0e | 3252 | return -EFSCORRUPTED; |
9a59b62f CY |
3253 | } |
3254 | ||
55cf9cb6 CY |
3255 | /* Currently, support 512/1024/2048/4096 bytes sector size */ |
3256 | if (le32_to_cpu(raw_super->log_sectorsize) > | |
3257 | F2FS_MAX_LOG_SECTOR_SIZE || | |
3258 | le32_to_cpu(raw_super->log_sectorsize) < | |
3259 | F2FS_MIN_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
3260 | f2fs_info(sbi, "Invalid log sectorsize (%u)", |
3261 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 3262 | return -EFSCORRUPTED; |
a07ef784 | 3263 | } |
55cf9cb6 CY |
3264 | if (le32_to_cpu(raw_super->log_sectors_per_block) + |
3265 | le32_to_cpu(raw_super->log_sectorsize) != | |
3266 | F2FS_MAX_LOG_SECTOR_SIZE) { | |
dcbb4c10 JP |
3267 | f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", |
3268 | le32_to_cpu(raw_super->log_sectors_per_block), | |
3269 | le32_to_cpu(raw_super->log_sectorsize)); | |
38fb6d0e | 3270 | return -EFSCORRUPTED; |
a07ef784 | 3271 | } |
9a59b62f | 3272 | |
0cfe75c5 | 3273 | segment_count = le32_to_cpu(raw_super->segment_count); |
f99ba9ad | 3274 | segment_count_main = le32_to_cpu(raw_super->segment_count_main); |
0cfe75c5 JK |
3275 | segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); |
3276 | secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3277 | total_sections = le32_to_cpu(raw_super->section_count); | |
3278 | ||
3279 | /* blocks_per_seg should be 512, given the above check */ | |
3280 | blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); | |
3281 | ||
3282 | if (segment_count > F2FS_MAX_SEGMENT || | |
3283 | segment_count < F2FS_MIN_SEGMENTS) { | |
dcbb4c10 | 3284 | f2fs_info(sbi, "Invalid segment count (%u)", segment_count); |
38fb6d0e | 3285 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3286 | } |
3287 | ||
f99ba9ad | 3288 | if (total_sections > segment_count_main || total_sections < 1 || |
0cfe75c5 | 3289 | segs_per_sec > segment_count || !segs_per_sec) { |
dcbb4c10 JP |
3290 | f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", |
3291 | segment_count, total_sections, segs_per_sec); | |
38fb6d0e | 3292 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3293 | } |
3294 | ||
3a22e9ac CY |
3295 | if (segment_count_main != total_sections * segs_per_sec) { |
3296 | f2fs_info(sbi, "Invalid segment/section count (%u != %u * %u)", | |
3297 | segment_count_main, total_sections, segs_per_sec); | |
3298 | return -EFSCORRUPTED; | |
3299 | } | |
3300 | ||
0cfe75c5 | 3301 | if ((segment_count / segs_per_sec) < total_sections) { |
dcbb4c10 JP |
3302 | f2fs_info(sbi, "Small segment_count (%u < %u * %u)", |
3303 | segment_count, segs_per_sec, total_sections); | |
38fb6d0e | 3304 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3305 | } |
3306 | ||
88960068 | 3307 | if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { |
dcbb4c10 JP |
3308 | f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", |
3309 | segment_count, le64_to_cpu(raw_super->block_count)); | |
38fb6d0e | 3310 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3311 | } |
3312 | ||
9f701f6c QS |
3313 | if (RDEV(0).path[0]) { |
3314 | block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments); | |
3315 | int i = 1; | |
3316 | ||
3317 | while (i < MAX_DEVICES && RDEV(i).path[0]) { | |
3318 | dev_seg_count += le32_to_cpu(RDEV(i).total_segments); | |
3319 | i++; | |
3320 | } | |
3321 | if (segment_count != dev_seg_count) { | |
3322 | f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)", | |
3323 | segment_count, dev_seg_count); | |
3324 | return -EFSCORRUPTED; | |
3325 | } | |
07eb1d69 CY |
3326 | } else { |
3327 | if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_BLKZONED) && | |
3328 | !bdev_is_zoned(sbi->sb->s_bdev)) { | |
3329 | f2fs_info(sbi, "Zoned block device path is missing"); | |
3330 | return -EFSCORRUPTED; | |
3331 | } | |
9f701f6c QS |
3332 | } |
3333 | ||
42bf546c | 3334 | if (secs_per_zone > total_sections || !secs_per_zone) { |
dcbb4c10 JP |
3335 | f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", |
3336 | secs_per_zone, total_sections); | |
38fb6d0e | 3337 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3338 | } |
3339 | if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || | |
3340 | raw_super->hot_ext_count > F2FS_MAX_EXTENSION || | |
3341 | (le32_to_cpu(raw_super->extension_count) + | |
3342 | raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { | |
dcbb4c10 JP |
3343 | f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", |
3344 | le32_to_cpu(raw_super->extension_count), | |
3345 | raw_super->hot_ext_count, | |
3346 | F2FS_MAX_EXTENSION); | |
38fb6d0e | 3347 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3348 | } |
3349 | ||
65ddf656 CY |
3350 | if (le32_to_cpu(raw_super->cp_payload) >= |
3351 | (blocks_per_seg - F2FS_CP_PACKS - | |
3352 | NR_CURSEG_PERSIST_TYPE)) { | |
3353 | f2fs_info(sbi, "Insane cp_payload (%u >= %u)", | |
dcbb4c10 | 3354 | le32_to_cpu(raw_super->cp_payload), |
65ddf656 CY |
3355 | blocks_per_seg - F2FS_CP_PACKS - |
3356 | NR_CURSEG_PERSIST_TYPE); | |
38fb6d0e | 3357 | return -EFSCORRUPTED; |
0cfe75c5 JK |
3358 | } |
3359 | ||
9a59b62f CY |
3360 | /* check reserved ino info */ |
3361 | if (le32_to_cpu(raw_super->node_ino) != 1 || | |
3362 | le32_to_cpu(raw_super->meta_ino) != 2 || | |
3363 | le32_to_cpu(raw_super->root_ino) != 3) { | |
dcbb4c10 JP |
3364 | f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", |
3365 | le32_to_cpu(raw_super->node_ino), | |
3366 | le32_to_cpu(raw_super->meta_ino), | |
3367 | le32_to_cpu(raw_super->root_ino)); | |
38fb6d0e | 3368 | return -EFSCORRUPTED; |
9a59b62f CY |
3369 | } |
3370 | ||
3371 | /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ | |
df728b0f | 3372 | if (sanity_check_area_boundary(sbi, bh)) |
38fb6d0e | 3373 | return -EFSCORRUPTED; |
9a59b62f | 3374 | |
aff063e2 JK |
3375 | return 0; |
3376 | } | |
3377 | ||
4d57b86d | 3378 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) |
aff063e2 JK |
3379 | { |
3380 | unsigned int total, fsmeta; | |
577e3495 JK |
3381 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
3382 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2040fce8 | 3383 | unsigned int ovp_segments, reserved_segments; |
15d3042a | 3384 | unsigned int main_segs, blocks_per_seg; |
c77ec61c CY |
3385 | unsigned int sit_segs, nat_segs; |
3386 | unsigned int sit_bitmap_size, nat_bitmap_size; | |
3387 | unsigned int log_blocks_per_seg; | |
9dc956b2 | 3388 | unsigned int segment_count_main; |
e494c2f9 | 3389 | unsigned int cp_pack_start_sum, cp_payload; |
7b63f72f CY |
3390 | block_t user_block_count, valid_user_blocks; |
3391 | block_t avail_node_count, valid_node_count; | |
65ddf656 | 3392 | unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks; |
042be0f8 | 3393 | int i, j; |
aff063e2 JK |
3394 | |
3395 | total = le32_to_cpu(raw_super->segment_count); | |
3396 | fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); | |
c77ec61c CY |
3397 | sit_segs = le32_to_cpu(raw_super->segment_count_sit); |
3398 | fsmeta += sit_segs; | |
3399 | nat_segs = le32_to_cpu(raw_super->segment_count_nat); | |
3400 | fsmeta += nat_segs; | |
aff063e2 JK |
3401 | fsmeta += le32_to_cpu(ckpt->rsvd_segment_count); |
3402 | fsmeta += le32_to_cpu(raw_super->segment_count_ssa); | |
3403 | ||
6bacf52f | 3404 | if (unlikely(fsmeta >= total)) |
aff063e2 | 3405 | return 1; |
577e3495 | 3406 | |
2040fce8 JK |
3407 | ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); |
3408 | reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count); | |
3409 | ||
a7d9fe3c JK |
3410 | if (!f2fs_sb_has_readonly(sbi) && |
3411 | unlikely(fsmeta < F2FS_MIN_META_SEGMENTS || | |
2040fce8 | 3412 | ovp_segments == 0 || reserved_segments == 0)) { |
dcbb4c10 | 3413 | f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); |
2040fce8 JK |
3414 | return 1; |
3415 | } | |
9dc956b2 | 3416 | user_block_count = le64_to_cpu(ckpt->user_block_count); |
a7d9fe3c JK |
3417 | segment_count_main = le32_to_cpu(raw_super->segment_count_main) + |
3418 | (f2fs_sb_has_readonly(sbi) ? 1 : 0); | |
9dc956b2 CY |
3419 | log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); |
3420 | if (!user_block_count || user_block_count >= | |
3421 | segment_count_main << log_blocks_per_seg) { | |
dcbb4c10 JP |
3422 | f2fs_err(sbi, "Wrong user_block_count: %u", |
3423 | user_block_count); | |
9dc956b2 CY |
3424 | return 1; |
3425 | } | |
3426 | ||
7b63f72f CY |
3427 | valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); |
3428 | if (valid_user_blocks > user_block_count) { | |
dcbb4c10 JP |
3429 | f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", |
3430 | valid_user_blocks, user_block_count); | |
7b63f72f CY |
3431 | return 1; |
3432 | } | |
3433 | ||
3434 | valid_node_count = le32_to_cpu(ckpt->valid_node_count); | |
27cae0bc | 3435 | avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; |
7b63f72f | 3436 | if (valid_node_count > avail_node_count) { |
dcbb4c10 JP |
3437 | f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", |
3438 | valid_node_count, avail_node_count); | |
7b63f72f CY |
3439 | return 1; |
3440 | } | |
3441 | ||
15d3042a JQ |
3442 | main_segs = le32_to_cpu(raw_super->segment_count_main); |
3443 | blocks_per_seg = sbi->blocks_per_seg; | |
3444 | ||
3445 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
3446 | if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || | |
3447 | le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) | |
3448 | return 1; | |
a7d9fe3c JK |
3449 | |
3450 | if (f2fs_sb_has_readonly(sbi)) | |
3451 | goto check_data; | |
3452 | ||
042be0f8 CY |
3453 | for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { |
3454 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == | |
3455 | le32_to_cpu(ckpt->cur_node_segno[j])) { | |
dcbb4c10 JP |
3456 | f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", |
3457 | i, j, | |
3458 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3459 | return 1; |
3460 | } | |
3461 | } | |
15d3042a | 3462 | } |
a7d9fe3c | 3463 | check_data: |
15d3042a JQ |
3464 | for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { |
3465 | if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || | |
3466 | le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) | |
3467 | return 1; | |
a7d9fe3c JK |
3468 | |
3469 | if (f2fs_sb_has_readonly(sbi)) | |
3470 | goto skip_cross; | |
3471 | ||
042be0f8 CY |
3472 | for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { |
3473 | if (le32_to_cpu(ckpt->cur_data_segno[i]) == | |
3474 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
dcbb4c10 JP |
3475 | f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", |
3476 | i, j, | |
3477 | le32_to_cpu(ckpt->cur_data_segno[i])); | |
042be0f8 CY |
3478 | return 1; |
3479 | } | |
3480 | } | |
3481 | } | |
3482 | for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { | |
1166c1f2 | 3483 | for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { |
042be0f8 CY |
3484 | if (le32_to_cpu(ckpt->cur_node_segno[i]) == |
3485 | le32_to_cpu(ckpt->cur_data_segno[j])) { | |
1166c1f2 | 3486 | f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u", |
dcbb4c10 JP |
3487 | i, j, |
3488 | le32_to_cpu(ckpt->cur_node_segno[i])); | |
042be0f8 CY |
3489 | return 1; |
3490 | } | |
3491 | } | |
15d3042a | 3492 | } |
a7d9fe3c | 3493 | skip_cross: |
c77ec61c CY |
3494 | sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
3495 | nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
c77ec61c CY |
3496 | |
3497 | if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || | |
3498 | nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { | |
dcbb4c10 JP |
3499 | f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", |
3500 | sit_bitmap_size, nat_bitmap_size); | |
c77ec61c CY |
3501 | return 1; |
3502 | } | |
e494c2f9 CY |
3503 | |
3504 | cp_pack_start_sum = __start_sum_addr(sbi); | |
3505 | cp_payload = __cp_payload(sbi); | |
3506 | if (cp_pack_start_sum < cp_payload + 1 || | |
3507 | cp_pack_start_sum > blocks_per_seg - 1 - | |
d0b9e42a | 3508 | NR_CURSEG_PERSIST_TYPE) { |
dcbb4c10 JP |
3509 | f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", |
3510 | cp_pack_start_sum); | |
e494c2f9 CY |
3511 | return 1; |
3512 | } | |
c77ec61c | 3513 | |
5dae2d39 CY |
3514 | if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && |
3515 | le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { | |
2d008835 CY |
3516 | f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " |
3517 | "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " | |
3518 | "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", | |
dcbb4c10 | 3519 | le32_to_cpu(ckpt->checksum_offset)); |
5dae2d39 CY |
3520 | return 1; |
3521 | } | |
3522 | ||
65ddf656 CY |
3523 | nat_blocks = nat_segs << log_blocks_per_seg; |
3524 | nat_bits_bytes = nat_blocks / BITS_PER_BYTE; | |
3525 | nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8); | |
3526 | if (__is_set_ckpt_flags(ckpt, CP_NAT_BITS_FLAG) && | |
3527 | (cp_payload + F2FS_CP_PACKS + | |
3528 | NR_CURSEG_PERSIST_TYPE + nat_bits_blocks >= blocks_per_seg)) { | |
3529 | f2fs_warn(sbi, "Insane cp_payload: %u, nat_bits_blocks: %u)", | |
3530 | cp_payload, nat_bits_blocks); | |
ca98d721 | 3531 | return 1; |
65ddf656 CY |
3532 | } |
3533 | ||
1e968fdf | 3534 | if (unlikely(f2fs_cp_error(sbi))) { |
dcbb4c10 | 3535 | f2fs_err(sbi, "A bug case: need to run fsck"); |
577e3495 JK |
3536 | return 1; |
3537 | } | |
aff063e2 JK |
3538 | return 0; |
3539 | } | |
3540 | ||
3541 | static void init_sb_info(struct f2fs_sb_info *sbi) | |
3542 | { | |
3543 | struct f2fs_super_block *raw_super = sbi->raw_super; | |
089842de | 3544 | int i; |
aff063e2 JK |
3545 | |
3546 | sbi->log_sectors_per_block = | |
3547 | le32_to_cpu(raw_super->log_sectors_per_block); | |
3548 | sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize); | |
3549 | sbi->blocksize = 1 << sbi->log_blocksize; | |
3550 | sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); | |
3551 | sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg; | |
3552 | sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); | |
3553 | sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); | |
3554 | sbi->total_sections = le32_to_cpu(raw_super->section_count); | |
3555 | sbi->total_node_count = | |
3556 | (le32_to_cpu(raw_super->segment_count_nat) / 2) | |
3557 | * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; | |
b9ec1094 YL |
3558 | F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino); |
3559 | F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino); | |
3560 | F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino); | |
5ec4e49f | 3561 | sbi->cur_victim_sec = NULL_SECNO; |
c86868bb | 3562 | sbi->gc_mode = GC_NORMAL; |
e3080b01 CY |
3563 | sbi->next_victim_seg[BG_GC] = NULL_SEGNO; |
3564 | sbi->next_victim_seg[FG_GC] = NULL_SEGNO; | |
b1c57c1c | 3565 | sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; |
e3080b01 | 3566 | sbi->migration_granularity = sbi->segs_per_sec; |
0f6b56ec | 3567 | sbi->seq_file_ra_mul = MIN_RA_MUL; |
6691d940 DJ |
3568 | sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE; |
3569 | sbi->max_fragment_hole = DEF_FRAGMENT_SIZE; | |
325163e9 | 3570 | spin_lock_init(&sbi->gc_urgent_high_lock); |
aff063e2 | 3571 | |
ab9fa662 | 3572 | sbi->dir_level = DEF_DIR_LEVEL; |
6beceb54 | 3573 | sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; |
d0239e1b | 3574 | sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; |
a7d10cf3 ST |
3575 | sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; |
3576 | sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; | |
4354994f | 3577 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; |
03f2c02d JK |
3578 | sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = |
3579 | DEF_UMOUNT_DISCARD_TIMEOUT; | |
caf0047e | 3580 | clear_sbi_flag(sbi, SBI_NEED_FSCK); |
2658e50d | 3581 | |
35782b23 JK |
3582 | for (i = 0; i < NR_COUNT_TYPE; i++) |
3583 | atomic_set(&sbi->nr_pages[i], 0); | |
3584 | ||
c29fd0c0 CY |
3585 | for (i = 0; i < META; i++) |
3586 | atomic_set(&sbi->wb_sync_req[i], 0); | |
687de7f1 | 3587 | |
2658e50d JK |
3588 | INIT_LIST_HEAD(&sbi->s_list); |
3589 | mutex_init(&sbi->umount_mutex); | |
e4544b63 | 3590 | init_f2fs_rwsem(&sbi->io_order_lock); |
aaec2b1d | 3591 | spin_lock_init(&sbi->cp_lock); |
1228b482 CY |
3592 | |
3593 | sbi->dirty_device = 0; | |
3594 | spin_lock_init(&sbi->dev_lock); | |
d0d3f1b3 | 3595 | |
e4544b63 TM |
3596 | init_f2fs_rwsem(&sbi->sb_lock); |
3597 | init_f2fs_rwsem(&sbi->pin_sem); | |
aff063e2 JK |
3598 | } |
3599 | ||
523be8a6 JK |
3600 | static int init_percpu_info(struct f2fs_sb_info *sbi) |
3601 | { | |
35782b23 | 3602 | int err; |
41382ec4 | 3603 | |
513c5f37 JK |
3604 | err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL); |
3605 | if (err) | |
3606 | return err; | |
3607 | ||
47c8ebcc JK |
3608 | err = percpu_counter_init(&sbi->rf_node_block_count, 0, GFP_KERNEL); |
3609 | if (err) | |
3610 | goto err_valid_block; | |
3611 | ||
4a70e255 | 3612 | err = percpu_counter_init(&sbi->total_valid_inode_count, 0, |
41382ec4 | 3613 | GFP_KERNEL); |
4a70e255 | 3614 | if (err) |
47c8ebcc JK |
3615 | goto err_node_block; |
3616 | return 0; | |
4a70e255 | 3617 | |
47c8ebcc JK |
3618 | err_node_block: |
3619 | percpu_counter_destroy(&sbi->rf_node_block_count); | |
3620 | err_valid_block: | |
3621 | percpu_counter_destroy(&sbi->alloc_valid_block_count); | |
4a70e255 | 3622 | return err; |
523be8a6 JK |
3623 | } |
3624 | ||
178053e2 | 3625 | #ifdef CONFIG_BLK_DEV_ZONED |
de881df9 AR |
3626 | |
3627 | struct f2fs_report_zones_args { | |
3628 | struct f2fs_dev_info *dev; | |
3629 | bool zone_cap_mismatch; | |
3630 | }; | |
3631 | ||
d4100351 | 3632 | static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx, |
de881df9 | 3633 | void *data) |
d4100351 | 3634 | { |
de881df9 AR |
3635 | struct f2fs_report_zones_args *rz_args = data; |
3636 | ||
3637 | if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) | |
3638 | return 0; | |
3639 | ||
3640 | set_bit(idx, rz_args->dev->blkz_seq); | |
3641 | rz_args->dev->zone_capacity_blocks[idx] = zone->capacity >> | |
3642 | F2FS_LOG_SECTORS_PER_BLOCK; | |
3643 | if (zone->len != zone->capacity && !rz_args->zone_cap_mismatch) | |
3644 | rz_args->zone_cap_mismatch = true; | |
d4100351 | 3645 | |
d4100351 CH |
3646 | return 0; |
3647 | } | |
3648 | ||
3c62be17 | 3649 | static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) |
178053e2 | 3650 | { |
3c62be17 | 3651 | struct block_device *bdev = FDEV(devi).bdev; |
a782483c | 3652 | sector_t nr_sectors = bdev_nr_sectors(bdev); |
de881df9 | 3653 | struct f2fs_report_zones_args rep_zone_arg; |
d46db459 | 3654 | u64 zone_sectors; |
d4100351 | 3655 | int ret; |
178053e2 | 3656 | |
7beb01f7 | 3657 | if (!f2fs_sb_has_blkzoned(sbi)) |
178053e2 DLM |
3658 | return 0; |
3659 | ||
d46db459 | 3660 | zone_sectors = bdev_zone_sectors(bdev); |
7f262f73 LC |
3661 | if (!is_power_of_2(zone_sectors)) { |
3662 | f2fs_err(sbi, "F2FS does not support non power of 2 zone sizes\n"); | |
3663 | return -EINVAL; | |
3664 | } | |
d46db459 | 3665 | |
3c62be17 | 3666 | if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != |
d46db459 | 3667 | SECTOR_TO_BLOCK(zone_sectors)) |
3c62be17 | 3668 | return -EINVAL; |
d46db459 | 3669 | sbi->blocks_per_blkz = SECTOR_TO_BLOCK(zone_sectors); |
3c62be17 JK |
3670 | if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != |
3671 | __ilog2_u32(sbi->blocks_per_blkz)) | |
3672 | return -EINVAL; | |
178053e2 | 3673 | sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); |
3c62be17 JK |
3674 | FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> |
3675 | sbi->log_blocks_per_blkz; | |
d46db459 | 3676 | if (nr_sectors & (zone_sectors - 1)) |
3c62be17 | 3677 | FDEV(devi).nr_blkz++; |
178053e2 | 3678 | |
0b6d4ca0 | 3679 | FDEV(devi).blkz_seq = f2fs_kvzalloc(sbi, |
95175daf DLM |
3680 | BITS_TO_LONGS(FDEV(devi).nr_blkz) |
3681 | * sizeof(unsigned long), | |
3682 | GFP_KERNEL); | |
3683 | if (!FDEV(devi).blkz_seq) | |
178053e2 DLM |
3684 | return -ENOMEM; |
3685 | ||
de881df9 AR |
3686 | /* Get block zones type and zone-capacity */ |
3687 | FDEV(devi).zone_capacity_blocks = f2fs_kzalloc(sbi, | |
3688 | FDEV(devi).nr_blkz * sizeof(block_t), | |
3689 | GFP_KERNEL); | |
3690 | if (!FDEV(devi).zone_capacity_blocks) | |
3691 | return -ENOMEM; | |
3692 | ||
3693 | rep_zone_arg.dev = &FDEV(devi); | |
3694 | rep_zone_arg.zone_cap_mismatch = false; | |
3695 | ||
d4100351 | 3696 | ret = blkdev_report_zones(bdev, 0, BLK_ALL_ZONES, f2fs_report_zone_cb, |
de881df9 | 3697 | &rep_zone_arg); |
d4100351 CH |
3698 | if (ret < 0) |
3699 | return ret; | |
178053e2 | 3700 | |
de881df9 AR |
3701 | if (!rep_zone_arg.zone_cap_mismatch) { |
3702 | kfree(FDEV(devi).zone_capacity_blocks); | |
3703 | FDEV(devi).zone_capacity_blocks = NULL; | |
3704 | } | |
3705 | ||
d4100351 | 3706 | return 0; |
178053e2 DLM |
3707 | } |
3708 | #endif | |
3709 | ||
9076a75f GZ |
3710 | /* |
3711 | * Read f2fs raw super block. | |
2b39e907 SL |
3712 | * Because we have two copies of super block, so read both of them |
3713 | * to get the first valid one. If any one of them is broken, we pass | |
3714 | * them recovery flag back to the caller. | |
9076a75f | 3715 | */ |
df728b0f | 3716 | static int read_raw_super_block(struct f2fs_sb_info *sbi, |
9076a75f | 3717 | struct f2fs_super_block **raw_super, |
e8240f65 | 3718 | int *valid_super_block, int *recovery) |
14d7e9de | 3719 | { |
df728b0f | 3720 | struct super_block *sb = sbi->sb; |
2b39e907 | 3721 | int block; |
e8240f65 | 3722 | struct buffer_head *bh; |
fd694733 | 3723 | struct f2fs_super_block *super; |
da554e48 | 3724 | int err = 0; |
14d7e9de | 3725 | |
b39f0de2 YH |
3726 | super = kzalloc(sizeof(struct f2fs_super_block), GFP_KERNEL); |
3727 | if (!super) | |
3728 | return -ENOMEM; | |
2b39e907 SL |
3729 | |
3730 | for (block = 0; block < 2; block++) { | |
3731 | bh = sb_bread(sb, block); | |
3732 | if (!bh) { | |
dcbb4c10 JP |
3733 | f2fs_err(sbi, "Unable to read %dth superblock", |
3734 | block + 1); | |
2b39e907 | 3735 | err = -EIO; |
ed352042 | 3736 | *recovery = 1; |
2b39e907 SL |
3737 | continue; |
3738 | } | |
14d7e9de | 3739 | |
2b39e907 | 3740 | /* sanity checking of raw super */ |
38fb6d0e IZ |
3741 | err = sanity_check_raw_super(sbi, bh); |
3742 | if (err) { | |
dcbb4c10 JP |
3743 | f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", |
3744 | block + 1); | |
2b39e907 | 3745 | brelse(bh); |
ed352042 | 3746 | *recovery = 1; |
2b39e907 SL |
3747 | continue; |
3748 | } | |
14d7e9de | 3749 | |
2b39e907 | 3750 | if (!*raw_super) { |
fd694733 JK |
3751 | memcpy(super, bh->b_data + F2FS_SUPER_OFFSET, |
3752 | sizeof(*super)); | |
2b39e907 SL |
3753 | *valid_super_block = block; |
3754 | *raw_super = super; | |
3755 | } | |
3756 | brelse(bh); | |
da554e48 | 3757 | } |
3758 | ||
da554e48 | 3759 | /* No valid superblock */ |
2b39e907 | 3760 | if (!*raw_super) |
742532d1 | 3761 | kfree(super); |
2b39e907 SL |
3762 | else |
3763 | err = 0; | |
da554e48 | 3764 | |
2b39e907 | 3765 | return err; |
14d7e9de | 3766 | } |
3767 | ||
fd694733 | 3768 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) |
26d815ad | 3769 | { |
5d909cdb | 3770 | struct buffer_head *bh; |
d440c52d | 3771 | __u32 crc = 0; |
26d815ad JK |
3772 | int err; |
3773 | ||
df728b0f JK |
3774 | if ((recover && f2fs_readonly(sbi->sb)) || |
3775 | bdev_read_only(sbi->sb->s_bdev)) { | |
3776 | set_sbi_flag(sbi, SBI_NEED_SB_WRITE); | |
f2353d7b | 3777 | return -EROFS; |
df728b0f | 3778 | } |
f2353d7b | 3779 | |
d440c52d | 3780 | /* we should update superblock crc here */ |
7beb01f7 | 3781 | if (!recover && f2fs_sb_has_sb_chksum(sbi)) { |
d440c52d JZ |
3782 | crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), |
3783 | offsetof(struct f2fs_super_block, crc)); | |
3784 | F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); | |
3785 | } | |
3786 | ||
fd694733 | 3787 | /* write back-up superblock first */ |
0964fc1a | 3788 | bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); |
5d909cdb JK |
3789 | if (!bh) |
3790 | return -EIO; | |
fd694733 | 3791 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); |
5d909cdb | 3792 | brelse(bh); |
c5bda1c8 CY |
3793 | |
3794 | /* if we are in recovery path, skip writing valid superblock */ | |
3795 | if (recover || err) | |
5d909cdb | 3796 | return err; |
26d815ad JK |
3797 | |
3798 | /* write current valid superblock */ | |
0964fc1a | 3799 | bh = sb_bread(sbi->sb, sbi->valid_super_block); |
fd694733 JK |
3800 | if (!bh) |
3801 | return -EIO; | |
3802 | err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi)); | |
3803 | brelse(bh); | |
3804 | return err; | |
26d815ad JK |
3805 | } |
3806 | ||
3c62be17 JK |
3807 | static int f2fs_scan_devices(struct f2fs_sb_info *sbi) |
3808 | { | |
3809 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
7bb3a371 | 3810 | unsigned int max_devices = MAX_DEVICES; |
71f2c820 | 3811 | unsigned int logical_blksize; |
3c62be17 JK |
3812 | int i; |
3813 | ||
7bb3a371 MS |
3814 | /* Initialize single device information */ |
3815 | if (!RDEV(0).path[0]) { | |
3816 | if (!bdev_is_zoned(sbi->sb->s_bdev)) | |
3c62be17 | 3817 | return 0; |
7bb3a371 MS |
3818 | max_devices = 1; |
3819 | } | |
3c62be17 | 3820 | |
7bb3a371 MS |
3821 | /* |
3822 | * Initialize multiple devices information, or single | |
3823 | * zoned block device information. | |
3824 | */ | |
026f0507 KC |
3825 | sbi->devs = f2fs_kzalloc(sbi, |
3826 | array_size(max_devices, | |
3827 | sizeof(struct f2fs_dev_info)), | |
3828 | GFP_KERNEL); | |
7bb3a371 MS |
3829 | if (!sbi->devs) |
3830 | return -ENOMEM; | |
3c62be17 | 3831 | |
71f2c820 CY |
3832 | logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev); |
3833 | sbi->aligned_blksize = true; | |
3834 | ||
7bb3a371 | 3835 | for (i = 0; i < max_devices; i++) { |
3c62be17 | 3836 | |
7bb3a371 MS |
3837 | if (i > 0 && !RDEV(i).path[0]) |
3838 | break; | |
3839 | ||
3840 | if (max_devices == 1) { | |
3841 | /* Single zoned block device mount */ | |
3842 | FDEV(0).bdev = | |
3843 | blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev, | |
3c62be17 | 3844 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 MS |
3845 | } else { |
3846 | /* Multi-device mount */ | |
3847 | memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN); | |
3848 | FDEV(i).total_segments = | |
3849 | le32_to_cpu(RDEV(i).total_segments); | |
3850 | if (i == 0) { | |
3851 | FDEV(i).start_blk = 0; | |
3852 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3853 | (FDEV(i).total_segments << | |
3854 | sbi->log_blocks_per_seg) - 1 + | |
3855 | le32_to_cpu(raw_super->segment0_blkaddr); | |
3856 | } else { | |
3857 | FDEV(i).start_blk = FDEV(i - 1).end_blk + 1; | |
3858 | FDEV(i).end_blk = FDEV(i).start_blk + | |
3859 | (FDEV(i).total_segments << | |
3860 | sbi->log_blocks_per_seg) - 1; | |
3861 | } | |
3862 | FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path, | |
3c62be17 | 3863 | sbi->sb->s_mode, sbi->sb->s_type); |
7bb3a371 | 3864 | } |
3c62be17 JK |
3865 | if (IS_ERR(FDEV(i).bdev)) |
3866 | return PTR_ERR(FDEV(i).bdev); | |
3867 | ||
3868 | /* to release errored devices */ | |
3869 | sbi->s_ndevs = i + 1; | |
3870 | ||
71f2c820 CY |
3871 | if (logical_blksize != bdev_logical_block_size(FDEV(i).bdev)) |
3872 | sbi->aligned_blksize = false; | |
3873 | ||
3c62be17 JK |
3874 | #ifdef CONFIG_BLK_DEV_ZONED |
3875 | if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && | |
7beb01f7 | 3876 | !f2fs_sb_has_blkzoned(sbi)) { |
833dcd35 | 3877 | f2fs_err(sbi, "Zoned block device feature not enabled"); |
3c62be17 JK |
3878 | return -EINVAL; |
3879 | } | |
3880 | if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { | |
3881 | if (init_blkz_info(sbi, i)) { | |
dcbb4c10 | 3882 | f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); |
3c62be17 JK |
3883 | return -EINVAL; |
3884 | } | |
7bb3a371 MS |
3885 | if (max_devices == 1) |
3886 | break; | |
dcbb4c10 JP |
3887 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", |
3888 | i, FDEV(i).path, | |
3889 | FDEV(i).total_segments, | |
3890 | FDEV(i).start_blk, FDEV(i).end_blk, | |
3891 | bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? | |
3892 | "Host-aware" : "Host-managed"); | |
3c62be17 JK |
3893 | continue; |
3894 | } | |
3895 | #endif | |
dcbb4c10 JP |
3896 | f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", |
3897 | i, FDEV(i).path, | |
3898 | FDEV(i).total_segments, | |
3899 | FDEV(i).start_blk, FDEV(i).end_blk); | |
3900 | } | |
3901 | f2fs_info(sbi, | |
3902 | "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); | |
3c62be17 JK |
3903 | return 0; |
3904 | } | |
3905 | ||
5aba5430 DR |
3906 | static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) |
3907 | { | |
5298d4bf | 3908 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 3909 | if (f2fs_sb_has_casefold(sbi) && !sbi->sb->s_encoding) { |
5aba5430 DR |
3910 | const struct f2fs_sb_encodings *encoding_info; |
3911 | struct unicode_map *encoding; | |
3912 | __u16 encoding_flags; | |
3913 | ||
86e80575 CH |
3914 | encoding_info = f2fs_sb_read_encoding(sbi->raw_super); |
3915 | if (!encoding_info) { | |
5aba5430 DR |
3916 | f2fs_err(sbi, |
3917 | "Encoding requested by superblock is unknown"); | |
3918 | return -EINVAL; | |
3919 | } | |
3920 | ||
86e80575 | 3921 | encoding_flags = le16_to_cpu(sbi->raw_super->s_encoding_flags); |
5aba5430 DR |
3922 | encoding = utf8_load(encoding_info->version); |
3923 | if (IS_ERR(encoding)) { | |
3924 | f2fs_err(sbi, | |
49bd03cc | 3925 | "can't mount with superblock charset: %s-%u.%u.%u " |
5aba5430 | 3926 | "not supported by the kernel. flags: 0x%x.", |
49bd03cc CH |
3927 | encoding_info->name, |
3928 | unicode_major(encoding_info->version), | |
3929 | unicode_minor(encoding_info->version), | |
3930 | unicode_rev(encoding_info->version), | |
5aba5430 DR |
3931 | encoding_flags); |
3932 | return PTR_ERR(encoding); | |
3933 | } | |
3934 | f2fs_info(sbi, "Using encoding defined by superblock: " | |
49bd03cc CH |
3935 | "%s-%u.%u.%u with flags 0x%hx", encoding_info->name, |
3936 | unicode_major(encoding_info->version), | |
3937 | unicode_minor(encoding_info->version), | |
3938 | unicode_rev(encoding_info->version), | |
3939 | encoding_flags); | |
5aba5430 | 3940 | |
eca4873e DR |
3941 | sbi->sb->s_encoding = encoding; |
3942 | sbi->sb->s_encoding_flags = encoding_flags; | |
5aba5430 DR |
3943 | } |
3944 | #else | |
3945 | if (f2fs_sb_has_casefold(sbi)) { | |
3946 | f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE"); | |
3947 | return -EINVAL; | |
3948 | } | |
3949 | #endif | |
3950 | return 0; | |
3951 | } | |
3952 | ||
84b89e5d JK |
3953 | static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) |
3954 | { | |
3955 | struct f2fs_sm_info *sm_i = SM_I(sbi); | |
3956 | ||
3957 | /* adjust parameters according to the volume size */ | |
3958 | if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) { | |
63189b78 | 3959 | F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; |
4f993264 CY |
3960 | if (f2fs_block_unit_discard(sbi)) |
3961 | sm_i->dcc_info->discard_granularity = 1; | |
1018a546 CY |
3962 | sm_i->ipu_policy = 1 << F2FS_IPU_FORCE | |
3963 | 1 << F2FS_IPU_HONOR_OPU_WRITE; | |
84b89e5d | 3964 | } |
4cac90d5 CY |
3965 | |
3966 | sbi->readdir_ra = 1; | |
84b89e5d JK |
3967 | } |
3968 | ||
aff063e2 JK |
3969 | static int f2fs_fill_super(struct super_block *sb, void *data, int silent) |
3970 | { | |
3971 | struct f2fs_sb_info *sbi; | |
da554e48 | 3972 | struct f2fs_super_block *raw_super; |
aff063e2 | 3973 | struct inode *root; |
99e3e858 | 3974 | int err; |
aa2c8c43 | 3975 | bool skip_recovery = false, need_fsck = false; |
dabc4a5c | 3976 | char *options = NULL; |
e8240f65 | 3977 | int recovery, i, valid_super_block; |
8f1dbbbb | 3978 | struct curseg_info *seg_i; |
aa2c8c43 | 3979 | int retry_cnt = 1; |
aff063e2 | 3980 | |
ed2e621a | 3981 | try_onemore: |
da554e48 | 3982 | err = -EINVAL; |
3983 | raw_super = NULL; | |
e8240f65 | 3984 | valid_super_block = -1; |
da554e48 | 3985 | recovery = 0; |
3986 | ||
aff063e2 JK |
3987 | /* allocate memory for f2fs-specific super block info */ |
3988 | sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); | |
3989 | if (!sbi) | |
3990 | return -ENOMEM; | |
3991 | ||
df728b0f JK |
3992 | sbi->sb = sb; |
3993 | ||
43b6573b KM |
3994 | /* Load the checksum driver */ |
3995 | sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); | |
3996 | if (IS_ERR(sbi->s_chksum_driver)) { | |
dcbb4c10 | 3997 | f2fs_err(sbi, "Cannot load crc32 driver."); |
43b6573b KM |
3998 | err = PTR_ERR(sbi->s_chksum_driver); |
3999 | sbi->s_chksum_driver = NULL; | |
4000 | goto free_sbi; | |
4001 | } | |
4002 | ||
ff9234ad | 4003 | /* set a block size */ |
6bacf52f | 4004 | if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { |
dcbb4c10 | 4005 | f2fs_err(sbi, "unable to set blocksize"); |
aff063e2 | 4006 | goto free_sbi; |
a07ef784 | 4007 | } |
aff063e2 | 4008 | |
df728b0f | 4009 | err = read_raw_super_block(sbi, &raw_super, &valid_super_block, |
e8240f65 | 4010 | &recovery); |
9076a75f GZ |
4011 | if (err) |
4012 | goto free_sbi; | |
4013 | ||
5fb08372 | 4014 | sb->s_fs_info = sbi; |
52763a4b JK |
4015 | sbi->raw_super = raw_super; |
4016 | ||
704956ec | 4017 | /* precompute checksum seed for metadata */ |
7beb01f7 | 4018 | if (f2fs_sb_has_inode_chksum(sbi)) |
704956ec CY |
4019 | sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, |
4020 | sizeof(raw_super->uuid)); | |
4021 | ||
498c5e9f | 4022 | default_options(sbi); |
aff063e2 | 4023 | /* parse mount options */ |
dabc4a5c JK |
4024 | options = kstrdup((const char *)data, GFP_KERNEL); |
4025 | if (data && !options) { | |
4026 | err = -ENOMEM; | |
aff063e2 | 4027 | goto free_sb_buf; |
dabc4a5c JK |
4028 | } |
4029 | ||
ed318a6c | 4030 | err = parse_options(sb, options, false); |
dabc4a5c JK |
4031 | if (err) |
4032 | goto free_options; | |
aff063e2 | 4033 | |
6d1451bf | 4034 | sb->s_maxbytes = max_file_blocks(NULL) << |
e0afc4d6 | 4035 | le32_to_cpu(raw_super->log_blocksize); |
aff063e2 | 4036 | sb->s_max_links = F2FS_LINK_MAX; |
aff063e2 | 4037 | |
5aba5430 DR |
4038 | err = f2fs_setup_casefold(sbi); |
4039 | if (err) | |
4040 | goto free_options; | |
4041 | ||
0abd675e CY |
4042 | #ifdef CONFIG_QUOTA |
4043 | sb->dq_op = &f2fs_quota_operations; | |
bc88ac96 | 4044 | sb->s_qcop = &f2fs_quotactl_ops; |
5c57132e | 4045 | sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; |
292c196a | 4046 | |
7beb01f7 | 4047 | if (f2fs_sb_has_quota_ino(sbi)) { |
292c196a CY |
4048 | for (i = 0; i < MAXQUOTAS; i++) { |
4049 | if (f2fs_qf_ino(sbi->sb, i)) | |
4050 | sbi->nquota_files++; | |
4051 | } | |
4052 | } | |
0abd675e CY |
4053 | #endif |
4054 | ||
aff063e2 | 4055 | sb->s_op = &f2fs_sops; |
643fa961 | 4056 | #ifdef CONFIG_FS_ENCRYPTION |
0b81d077 | 4057 | sb->s_cop = &f2fs_cryptops; |
95ae251f EB |
4058 | #endif |
4059 | #ifdef CONFIG_FS_VERITY | |
4060 | sb->s_vop = &f2fs_verityops; | |
ffcc4182 | 4061 | #endif |
aff063e2 JK |
4062 | sb->s_xattr = f2fs_xattr_handlers; |
4063 | sb->s_export_op = &f2fs_export_ops; | |
4064 | sb->s_magic = F2FS_SUPER_MAGIC; | |
aff063e2 | 4065 | sb->s_time_gran = 1; |
1751e8a6 LT |
4066 | sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | |
4067 | (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); | |
85787090 | 4068 | memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); |
578c6478 | 4069 | sb->s_iflags |= SB_I_CGROUPWB; |
aff063e2 JK |
4070 | |
4071 | /* init f2fs-specific super block info */ | |
e8240f65 | 4072 | sbi->valid_super_block = valid_super_block; |
e4544b63 | 4073 | init_f2fs_rwsem(&sbi->gc_lock); |
853137ce | 4074 | mutex_init(&sbi->writepages); |
e4544b63 TM |
4075 | init_f2fs_rwsem(&sbi->cp_global_sem); |
4076 | init_f2fs_rwsem(&sbi->node_write); | |
4077 | init_f2fs_rwsem(&sbi->node_change); | |
315df839 JK |
4078 | |
4079 | /* disallow all the data/node/meta page writes */ | |
4080 | set_sbi_flag(sbi, SBI_POR_DOING); | |
aff063e2 | 4081 | spin_lock_init(&sbi->stat_lock); |
971767ca | 4082 | |
458e6197 | 4083 | for (i = 0; i < NR_PAGE_TYPE; i++) { |
5f029c04 | 4084 | int n = (i == META) ? 1 : NR_TEMP_TYPE; |
a912b54d JK |
4085 | int j; |
4086 | ||
c8606593 KC |
4087 | sbi->write_io[i] = |
4088 | f2fs_kmalloc(sbi, | |
4089 | array_size(n, | |
4090 | sizeof(struct f2fs_bio_info)), | |
4091 | GFP_KERNEL); | |
b63def91 CJ |
4092 | if (!sbi->write_io[i]) { |
4093 | err = -ENOMEM; | |
0b2103e8 | 4094 | goto free_bio_info; |
b63def91 | 4095 | } |
a912b54d JK |
4096 | |
4097 | for (j = HOT; j < n; j++) { | |
e4544b63 | 4098 | init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem); |
a912b54d JK |
4099 | sbi->write_io[i][j].sbi = sbi; |
4100 | sbi->write_io[i][j].bio = NULL; | |
fb830fc5 CY |
4101 | spin_lock_init(&sbi->write_io[i][j].io_lock); |
4102 | INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); | |
0b20fcec | 4103 | INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list); |
e4544b63 | 4104 | init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock); |
a912b54d | 4105 | } |
458e6197 | 4106 | } |
971767ca | 4107 | |
e4544b63 TM |
4108 | init_f2fs_rwsem(&sbi->cp_rwsem); |
4109 | init_f2fs_rwsem(&sbi->quota_sem); | |
fb51b5ef | 4110 | init_waitqueue_head(&sbi->cp_wait); |
aff063e2 JK |
4111 | init_sb_info(sbi); |
4112 | ||
52118743 | 4113 | err = f2fs_init_iostat(sbi); |
523be8a6 | 4114 | if (err) |
d7997e63 | 4115 | goto free_bio_info; |
523be8a6 | 4116 | |
523be8a6 JK |
4117 | err = init_percpu_info(sbi); |
4118 | if (err) | |
a4b68176 | 4119 | goto free_iostat; |
523be8a6 | 4120 | |
c72db71e | 4121 | if (F2FS_IO_ALIGNED(sbi)) { |
0a595eba | 4122 | sbi->write_io_dummy = |
a3ebfe4f | 4123 | mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0); |
1727f317 CY |
4124 | if (!sbi->write_io_dummy) { |
4125 | err = -ENOMEM; | |
d7997e63 | 4126 | goto free_percpu; |
1727f317 | 4127 | } |
0a595eba JK |
4128 | } |
4129 | ||
a999150f CY |
4130 | /* init per sbi slab cache */ |
4131 | err = f2fs_init_xattr_caches(sbi); | |
4132 | if (err) | |
4133 | goto free_io_dummy; | |
31083031 CY |
4134 | err = f2fs_init_page_array_cache(sbi); |
4135 | if (err) | |
4136 | goto free_xattr_cache; | |
a999150f | 4137 | |
aff063e2 JK |
4138 | /* get an inode for meta space */ |
4139 | sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); | |
4140 | if (IS_ERR(sbi->meta_inode)) { | |
dcbb4c10 | 4141 | f2fs_err(sbi, "Failed to read F2FS meta data inode"); |
aff063e2 | 4142 | err = PTR_ERR(sbi->meta_inode); |
31083031 | 4143 | goto free_page_array_cache; |
aff063e2 JK |
4144 | } |
4145 | ||
4d57b86d | 4146 | err = f2fs_get_valid_checkpoint(sbi); |
a07ef784 | 4147 | if (err) { |
dcbb4c10 | 4148 | f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); |
aff063e2 | 4149 | goto free_meta_inode; |
a07ef784 | 4150 | } |
aff063e2 | 4151 | |
af033b2a CY |
4152 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) |
4153 | set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); | |
db610a64 JK |
4154 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { |
4155 | set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); | |
4156 | sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; | |
4157 | } | |
af033b2a | 4158 | |
04f0b2ea QS |
4159 | if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) |
4160 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
4161 | ||
3c62be17 JK |
4162 | /* Initialize device list */ |
4163 | err = f2fs_scan_devices(sbi); | |
4164 | if (err) { | |
dcbb4c10 | 4165 | f2fs_err(sbi, "Failed to find devices"); |
3c62be17 JK |
4166 | goto free_devices; |
4167 | } | |
4168 | ||
4c8ff709 CY |
4169 | err = f2fs_init_post_read_wq(sbi); |
4170 | if (err) { | |
4171 | f2fs_err(sbi, "Failed to initialize post read workqueue"); | |
4172 | goto free_devices; | |
4173 | } | |
4174 | ||
aff063e2 JK |
4175 | sbi->total_valid_node_count = |
4176 | le32_to_cpu(sbi->ckpt->valid_node_count); | |
513c5f37 JK |
4177 | percpu_counter_set(&sbi->total_valid_inode_count, |
4178 | le32_to_cpu(sbi->ckpt->valid_inode_count)); | |
aff063e2 JK |
4179 | sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count); |
4180 | sbi->total_valid_block_count = | |
4181 | le64_to_cpu(sbi->ckpt->valid_block_count); | |
4182 | sbi->last_valid_block_count = sbi->total_valid_block_count; | |
daeb433e | 4183 | sbi->reserved_blocks = 0; |
80d42145 | 4184 | sbi->current_reserved_blocks = 0; |
7e65be49 | 4185 | limit_reserve_root(sbi); |
1ae18f71 | 4186 | adjust_unusable_cap_perc(sbi); |
41382ec4 | 4187 | |
c227f912 CY |
4188 | for (i = 0; i < NR_INODE_TYPE; i++) { |
4189 | INIT_LIST_HEAD(&sbi->inode_list[i]); | |
4190 | spin_lock_init(&sbi->inode_lock[i]); | |
4191 | } | |
040d2bb3 | 4192 | mutex_init(&sbi->flush_lock); |
aff063e2 | 4193 | |
4d57b86d | 4194 | f2fs_init_extent_cache_info(sbi); |
1dcc336b | 4195 | |
4d57b86d | 4196 | f2fs_init_ino_entry_info(sbi); |
aff063e2 | 4197 | |
50fa53ec CY |
4198 | f2fs_init_fsync_node_info(sbi); |
4199 | ||
261eeb9c DJ |
4200 | /* setup checkpoint request control and start checkpoint issue thread */ |
4201 | f2fs_init_ckpt_req_control(sbi); | |
3f7070b0 | 4202 | if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) && |
261eeb9c DJ |
4203 | test_opt(sbi, MERGE_CHECKPOINT)) { |
4204 | err = f2fs_start_ckpt_thread(sbi); | |
4205 | if (err) { | |
4206 | f2fs_err(sbi, | |
4207 | "Failed to start F2FS issue_checkpoint_thread (%d)", | |
4208 | err); | |
4209 | goto stop_ckpt_thread; | |
4210 | } | |
4211 | } | |
4212 | ||
aff063e2 | 4213 | /* setup f2fs internal modules */ |
4d57b86d | 4214 | err = f2fs_build_segment_manager(sbi); |
a07ef784 | 4215 | if (err) { |
dcbb4c10 JP |
4216 | f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", |
4217 | err); | |
aff063e2 | 4218 | goto free_sm; |
a07ef784 | 4219 | } |
4d57b86d | 4220 | err = f2fs_build_node_manager(sbi); |
a07ef784 | 4221 | if (err) { |
dcbb4c10 JP |
4222 | f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", |
4223 | err); | |
aff063e2 | 4224 | goto free_nm; |
a07ef784 | 4225 | } |
aff063e2 | 4226 | |
300a8429 CY |
4227 | err = adjust_reserved_segment(sbi); |
4228 | if (err) | |
4229 | goto free_nm; | |
4230 | ||
8f1dbbbb | 4231 | /* For write statistics */ |
3a0a9cbc | 4232 | sbi->sectors_written_start = f2fs_get_sectors_written(sbi); |
8f1dbbbb SL |
4233 | |
4234 | /* Read accumulated write IO statistics if exists */ | |
4235 | seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); | |
4236 | if (__exist_node_summaries(sbi)) | |
4237 | sbi->kbytes_written = | |
b2dde6fc | 4238 | le64_to_cpu(seg_i->journal->info.kbytes_written); |
8f1dbbbb | 4239 | |
4d57b86d | 4240 | f2fs_build_gc_manager(sbi); |
aff063e2 | 4241 | |
60aa4d55 ST |
4242 | err = f2fs_build_stats(sbi); |
4243 | if (err) | |
4244 | goto free_nm; | |
4245 | ||
aff063e2 JK |
4246 | /* get an inode for node space */ |
4247 | sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); | |
4248 | if (IS_ERR(sbi->node_inode)) { | |
dcbb4c10 | 4249 | f2fs_err(sbi, "Failed to read node inode"); |
aff063e2 | 4250 | err = PTR_ERR(sbi->node_inode); |
60aa4d55 | 4251 | goto free_stats; |
aff063e2 JK |
4252 | } |
4253 | ||
aff063e2 JK |
4254 | /* read root inode and dentry */ |
4255 | root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); | |
4256 | if (IS_ERR(root)) { | |
dcbb4c10 | 4257 | f2fs_err(sbi, "Failed to read root inode"); |
aff063e2 | 4258 | err = PTR_ERR(root); |
60aa4d55 | 4259 | goto free_node_inode; |
aff063e2 | 4260 | } |
bcbfbd60 CY |
4261 | if (!S_ISDIR(root->i_mode) || !root->i_blocks || |
4262 | !root->i_size || !root->i_nlink) { | |
9d847950 | 4263 | iput(root); |
8f99a946 | 4264 | err = -EINVAL; |
60aa4d55 | 4265 | goto free_node_inode; |
8f99a946 | 4266 | } |
aff063e2 JK |
4267 | |
4268 | sb->s_root = d_make_root(root); /* allocate root dentry */ | |
4269 | if (!sb->s_root) { | |
4270 | err = -ENOMEM; | |
025cdb16 | 4271 | goto free_node_inode; |
aff063e2 JK |
4272 | } |
4273 | ||
6ce19aff | 4274 | err = f2fs_init_compress_inode(sbi); |
b59d0bae | 4275 | if (err) |
a398101a | 4276 | goto free_root_inode; |
b59d0bae | 4277 | |
6ce19aff CY |
4278 | err = f2fs_register_sysfs(sbi); |
4279 | if (err) | |
4280 | goto free_compress_inode; | |
4281 | ||
ea676733 | 4282 | #ifdef CONFIG_QUOTA |
76cf05d7 | 4283 | /* Enable quota usage during mount */ |
7beb01f7 | 4284 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { |
ea676733 | 4285 | err = f2fs_enable_quotas(sb); |
730746ce | 4286 | if (err) |
dcbb4c10 | 4287 | f2fs_err(sbi, "Cannot turn on quotas: error %d", err); |
ea676733 JK |
4288 | } |
4289 | #endif | |
7a88ddb5 | 4290 | /* if there are any orphan inodes, free them */ |
4d57b86d | 4291 | err = f2fs_recover_orphan_inodes(sbi); |
4b2414d0 | 4292 | if (err) |
ea676733 | 4293 | goto free_meta; |
4b2414d0 | 4294 | |
4354994f | 4295 | if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) |
aa2c8c43 | 4296 | goto reset_checkpoint; |
4354994f | 4297 | |
6437d1b0 | 4298 | /* recover fsynced data */ |
a9117eca CY |
4299 | if (!test_opt(sbi, DISABLE_ROLL_FORWARD) && |
4300 | !test_opt(sbi, NORECOVERY)) { | |
081d78c2 JK |
4301 | /* |
4302 | * mount should be failed, when device has readonly mode, and | |
4303 | * previous checkpoint was not done by clean system shutdown. | |
4304 | */ | |
b61af314 | 4305 | if (f2fs_hw_is_readonly(sbi)) { |
23738e74 CY |
4306 | if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { |
4307 | err = f2fs_recover_fsync_data(sbi, true); | |
4308 | if (err > 0) { | |
4309 | err = -EROFS; | |
4310 | f2fs_err(sbi, "Need to recover fsync data, but " | |
4311 | "write access unavailable, please try " | |
4312 | "mount w/ disable_roll_forward or norecovery"); | |
4313 | } | |
4314 | if (err < 0) | |
4315 | goto free_meta; | |
4316 | } | |
4317 | f2fs_info(sbi, "write access unavailable, skipping recovery"); | |
b61af314 | 4318 | goto reset_checkpoint; |
081d78c2 | 4319 | } |
2adc3505 CY |
4320 | |
4321 | if (need_fsck) | |
4322 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
4323 | ||
aa2c8c43 CY |
4324 | if (skip_recovery) |
4325 | goto reset_checkpoint; | |
a468f0ef | 4326 | |
4d57b86d | 4327 | err = f2fs_recover_fsync_data(sbi, false); |
6781eabb | 4328 | if (err < 0) { |
aa2c8c43 CY |
4329 | if (err != -ENOMEM) |
4330 | skip_recovery = true; | |
2adc3505 | 4331 | need_fsck = true; |
dcbb4c10 JP |
4332 | f2fs_err(sbi, "Cannot recover all fsync data errno=%d", |
4333 | err); | |
4b2414d0 | 4334 | goto free_meta; |
ed2e621a | 4335 | } |
6781eabb | 4336 | } else { |
4d57b86d | 4337 | err = f2fs_recover_fsync_data(sbi, true); |
6781eabb JK |
4338 | |
4339 | if (!f2fs_readonly(sb) && err > 0) { | |
4340 | err = -EINVAL; | |
dcbb4c10 | 4341 | f2fs_err(sbi, "Need to recover fsync data"); |
ea676733 | 4342 | goto free_meta; |
6781eabb | 4343 | } |
6437d1b0 | 4344 | } |
d508c94e SK |
4345 | |
4346 | /* | |
4347 | * If the f2fs is not readonly and fsync data recovery succeeds, | |
4348 | * check zoned block devices' write pointer consistency. | |
4349 | */ | |
4350 | if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) { | |
4351 | err = f2fs_check_write_pointer(sbi); | |
4352 | if (err) | |
4353 | goto free_meta; | |
4354 | } | |
4355 | ||
aa2c8c43 | 4356 | reset_checkpoint: |
093749e2 CY |
4357 | f2fs_init_inmem_curseg(sbi); |
4358 | ||
4d57b86d | 4359 | /* f2fs_recover_fsync_data() cleared this already */ |
315df839 | 4360 | clear_sbi_flag(sbi, SBI_POR_DOING); |
b59d0bae | 4361 | |
4354994f DR |
4362 | if (test_opt(sbi, DISABLE_CHECKPOINT)) { |
4363 | err = f2fs_disable_checkpoint(sbi); | |
4364 | if (err) | |
812a9597 | 4365 | goto sync_free_meta; |
4354994f DR |
4366 | } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { |
4367 | f2fs_enable_checkpoint(sbi); | |
4368 | } | |
4369 | ||
6437d1b0 JK |
4370 | /* |
4371 | * If filesystem is not mounted as read-only then | |
4372 | * do start the gc_thread. | |
4373 | */ | |
5911d2d1 CY |
4374 | if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF || |
4375 | test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) { | |
6437d1b0 | 4376 | /* After POR, we can run background GC thread.*/ |
4d57b86d | 4377 | err = f2fs_start_gc_thread(sbi); |
6437d1b0 | 4378 | if (err) |
812a9597 | 4379 | goto sync_free_meta; |
6437d1b0 | 4380 | } |
5222595d | 4381 | kvfree(options); |
da554e48 | 4382 | |
4383 | /* recover broken superblock */ | |
f2353d7b | 4384 | if (recovery) { |
41214b3c | 4385 | err = f2fs_commit_super(sbi, true); |
dcbb4c10 JP |
4386 | f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", |
4387 | sbi->valid_super_block ? 1 : 2, err); | |
da554e48 | 4388 | } |
4389 | ||
bae01eda CY |
4390 | f2fs_join_shrinker(sbi); |
4391 | ||
84b89e5d JK |
4392 | f2fs_tuning_parameters(sbi); |
4393 | ||
dcbb4c10 JP |
4394 | f2fs_notice(sbi, "Mounted with checkpoint version = %llx", |
4395 | cur_cp_version(F2FS_CKPT(sbi))); | |
6beceb54 | 4396 | f2fs_update_time(sbi, CP_TIME); |
d0239e1b | 4397 | f2fs_update_time(sbi, REQ_TIME); |
db610a64 | 4398 | clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); |
aff063e2 | 4399 | return 0; |
6437d1b0 | 4400 | |
812a9597 JK |
4401 | sync_free_meta: |
4402 | /* safe to flush all the data */ | |
4403 | sync_filesystem(sbi->sb); | |
aa2c8c43 | 4404 | retry_cnt = 0; |
812a9597 | 4405 | |
4b2414d0 | 4406 | free_meta: |
ea676733 | 4407 | #ifdef CONFIG_QUOTA |
26b5a079 | 4408 | f2fs_truncate_quota_inode_pages(sb); |
7beb01f7 | 4409 | if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) |
ea676733 JK |
4410 | f2fs_quota_off_umount(sbi->sb); |
4411 | #endif | |
4b2414d0 | 4412 | /* |
4d57b86d | 4413 | * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() |
4b2414d0 | 4414 | * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() |
4d57b86d CY |
4415 | * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which |
4416 | * falls into an infinite loop in f2fs_sync_meta_pages(). | |
4b2414d0 CY |
4417 | */ |
4418 | truncate_inode_pages_final(META_MAPPING(sbi)); | |
812a9597 JK |
4419 | /* evict some inodes being cached by GC */ |
4420 | evict_inodes(sb); | |
dc6b2055 | 4421 | f2fs_unregister_sysfs(sbi); |
6ce19aff CY |
4422 | free_compress_inode: |
4423 | f2fs_destroy_compress_inode(sbi); | |
aff063e2 JK |
4424 | free_root_inode: |
4425 | dput(sb->s_root); | |
4426 | sb->s_root = NULL; | |
4427 | free_node_inode: | |
4d57b86d | 4428 | f2fs_release_ino_entry(sbi, true); |
bae01eda | 4429 | truncate_inode_pages_final(NODE_MAPPING(sbi)); |
aff063e2 | 4430 | iput(sbi->node_inode); |
7c77bf7d | 4431 | sbi->node_inode = NULL; |
60aa4d55 ST |
4432 | free_stats: |
4433 | f2fs_destroy_stats(sbi); | |
aff063e2 | 4434 | free_nm: |
5429c9db DM |
4435 | /* stop discard thread before destroying node manager */ |
4436 | f2fs_stop_discard_thread(sbi); | |
4d57b86d | 4437 | f2fs_destroy_node_manager(sbi); |
aff063e2 | 4438 | free_sm: |
4d57b86d | 4439 | f2fs_destroy_segment_manager(sbi); |
4c8ff709 | 4440 | f2fs_destroy_post_read_wq(sbi); |
261eeb9c DJ |
4441 | stop_ckpt_thread: |
4442 | f2fs_stop_ckpt_thread(sbi); | |
3c62be17 JK |
4443 | free_devices: |
4444 | destroy_device_list(sbi); | |
5222595d | 4445 | kvfree(sbi->ckpt); |
aff063e2 JK |
4446 | free_meta_inode: |
4447 | make_bad_inode(sbi->meta_inode); | |
4448 | iput(sbi->meta_inode); | |
7c77bf7d | 4449 | sbi->meta_inode = NULL; |
31083031 CY |
4450 | free_page_array_cache: |
4451 | f2fs_destroy_page_array_cache(sbi); | |
a999150f CY |
4452 | free_xattr_cache: |
4453 | f2fs_destroy_xattr_caches(sbi); | |
0a595eba JK |
4454 | free_io_dummy: |
4455 | mempool_destroy(sbi->write_io_dummy); | |
d7997e63 CY |
4456 | free_percpu: |
4457 | destroy_percpu_info(sbi); | |
a4b68176 DJ |
4458 | free_iostat: |
4459 | f2fs_destroy_iostat(sbi); | |
d7997e63 | 4460 | free_bio_info: |
a912b54d | 4461 | for (i = 0; i < NR_PAGE_TYPE; i++) |
5222595d | 4462 | kvfree(sbi->write_io[i]); |
5aba5430 | 4463 | |
5298d4bf | 4464 | #if IS_ENABLED(CONFIG_UNICODE) |
eca4873e | 4465 | utf8_unload(sb->s_encoding); |
89ff6005 | 4466 | sb->s_encoding = NULL; |
5aba5430 | 4467 | #endif |
d7997e63 | 4468 | free_options: |
4b2414d0 CY |
4469 | #ifdef CONFIG_QUOTA |
4470 | for (i = 0; i < MAXQUOTAS; i++) | |
ba87a45c | 4471 | kfree(F2FS_OPTION(sbi).s_qf_names[i]); |
4b2414d0 | 4472 | #endif |
ac4acb1f | 4473 | fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy); |
5222595d | 4474 | kvfree(options); |
aff063e2 | 4475 | free_sb_buf: |
742532d1 | 4476 | kfree(raw_super); |
aff063e2 | 4477 | free_sbi: |
43b6573b KM |
4478 | if (sbi->s_chksum_driver) |
4479 | crypto_free_shash(sbi->s_chksum_driver); | |
742532d1 | 4480 | kfree(sbi); |
ed2e621a JK |
4481 | |
4482 | /* give only one another chance */ | |
aa2c8c43 CY |
4483 | if (retry_cnt > 0 && skip_recovery) { |
4484 | retry_cnt--; | |
ed2e621a JK |
4485 | shrink_dcache_sb(sb); |
4486 | goto try_onemore; | |
4487 | } | |
aff063e2 JK |
4488 | return err; |
4489 | } | |
4490 | ||
4491 | static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, | |
4492 | const char *dev_name, void *data) | |
4493 | { | |
4494 | return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super); | |
4495 | } | |
4496 | ||
30a5537f JK |
4497 | static void kill_f2fs_super(struct super_block *sb) |
4498 | { | |
cce13252 | 4499 | if (sb->s_root) { |
1cb50f87 JK |
4500 | struct f2fs_sb_info *sbi = F2FS_SB(sb); |
4501 | ||
4502 | set_sbi_flag(sbi, SBI_IS_CLOSE); | |
4503 | f2fs_stop_gc_thread(sbi); | |
4504 | f2fs_stop_discard_thread(sbi); | |
4505 | ||
6ce19aff CY |
4506 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4507 | /* | |
4508 | * latter evict_inode() can bypass checking and invalidating | |
4509 | * compress inode cache. | |
4510 | */ | |
4511 | if (test_opt(sbi, COMPRESS_CACHE)) | |
4512 | truncate_inode_pages_final(COMPRESS_MAPPING(sbi)); | |
4513 | #endif | |
4514 | ||
1cb50f87 JK |
4515 | if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || |
4516 | !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { | |
4517 | struct cp_control cpc = { | |
4518 | .reason = CP_UMOUNT, | |
4519 | }; | |
4520 | f2fs_write_checkpoint(sbi, &cpc); | |
4521 | } | |
1378752b CY |
4522 | |
4523 | if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) | |
4524 | sb->s_flags &= ~SB_RDONLY; | |
cce13252 | 4525 | } |
30a5537f JK |
4526 | kill_block_super(sb); |
4527 | } | |
4528 | ||
aff063e2 JK |
4529 | static struct file_system_type f2fs_fs_type = { |
4530 | .owner = THIS_MODULE, | |
4531 | .name = "f2fs", | |
4532 | .mount = f2fs_mount, | |
30a5537f | 4533 | .kill_sb = kill_f2fs_super, |
984fc4e7 | 4534 | .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, |
aff063e2 | 4535 | }; |
7f78e035 | 4536 | MODULE_ALIAS_FS("f2fs"); |
aff063e2 | 4537 | |
6e6093a8 | 4538 | static int __init init_inodecache(void) |
aff063e2 | 4539 | { |
5d097056 VD |
4540 | f2fs_inode_cachep = kmem_cache_create("f2fs_inode_cache", |
4541 | sizeof(struct f2fs_inode_info), 0, | |
4542 | SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT, NULL); | |
6bacf52f | 4543 | if (!f2fs_inode_cachep) |
aff063e2 JK |
4544 | return -ENOMEM; |
4545 | return 0; | |
4546 | } | |
4547 | ||
4548 | static void destroy_inodecache(void) | |
4549 | { | |
4550 | /* | |
4551 | * Make sure all delayed rcu free inodes are flushed before we | |
4552 | * destroy cache. | |
4553 | */ | |
4554 | rcu_barrier(); | |
4555 | kmem_cache_destroy(f2fs_inode_cachep); | |
4556 | } | |
4557 | ||
4558 | static int __init init_f2fs_fs(void) | |
4559 | { | |
4560 | int err; | |
4561 | ||
4071e67c AP |
4562 | if (PAGE_SIZE != F2FS_BLKSIZE) { |
4563 | printk("F2FS not supported on PAGE_SIZE(%lu) != %d\n", | |
4564 | PAGE_SIZE, F2FS_BLKSIZE); | |
4565 | return -EINVAL; | |
4566 | } | |
4567 | ||
aff063e2 JK |
4568 | err = init_inodecache(); |
4569 | if (err) | |
4570 | goto fail; | |
4d57b86d | 4571 | err = f2fs_create_node_manager_caches(); |
aff063e2 | 4572 | if (err) |
9890ff3f | 4573 | goto free_inodecache; |
4d57b86d | 4574 | err = f2fs_create_segment_manager_caches(); |
aff063e2 | 4575 | if (err) |
9890ff3f | 4576 | goto free_node_manager_caches; |
4d57b86d | 4577 | err = f2fs_create_checkpoint_caches(); |
aff063e2 | 4578 | if (err) |
06292073 | 4579 | goto free_segment_manager_caches; |
cad83c96 | 4580 | err = f2fs_create_recovery_cache(); |
1dcc336b CY |
4581 | if (err) |
4582 | goto free_checkpoint_caches; | |
cad83c96 CY |
4583 | err = f2fs_create_extent_cache(); |
4584 | if (err) | |
4585 | goto free_recovery_cache; | |
093749e2 | 4586 | err = f2fs_create_garbage_collection_cache(); |
a398101a | 4587 | if (err) |
1dcc336b | 4588 | goto free_extent_cache; |
093749e2 CY |
4589 | err = f2fs_init_sysfs(); |
4590 | if (err) | |
4591 | goto free_garbage_collection_cache; | |
2658e50d | 4592 | err = register_shrinker(&f2fs_shrinker_info); |
cfc4d971 | 4593 | if (err) |
a398101a | 4594 | goto free_sysfs; |
2658e50d JK |
4595 | err = register_filesystem(&f2fs_fs_type); |
4596 | if (err) | |
4597 | goto free_shrinker; | |
21acc07d | 4598 | f2fs_create_root_stats(); |
6dbb1796 EB |
4599 | err = f2fs_init_post_read_processing(); |
4600 | if (err) | |
4601 | goto free_root_stats; | |
a4b68176 | 4602 | err = f2fs_init_iostat_processing(); |
0b20fcec CY |
4603 | if (err) |
4604 | goto free_post_read; | |
a4b68176 DJ |
4605 | err = f2fs_init_bio_entry_cache(); |
4606 | if (err) | |
4607 | goto free_iostat; | |
f543805f CY |
4608 | err = f2fs_init_bioset(); |
4609 | if (err) | |
4610 | goto free_bio_enrty_cache; | |
5e6bbde9 CY |
4611 | err = f2fs_init_compress_mempool(); |
4612 | if (err) | |
4613 | goto free_bioset; | |
c68d6c88 CY |
4614 | err = f2fs_init_compress_cache(); |
4615 | if (err) | |
4616 | goto free_compress_mempool; | |
4d9a2bb1 CY |
4617 | err = f2fs_create_casefold_cache(); |
4618 | if (err) | |
4619 | goto free_compress_cache; | |
9890ff3f | 4620 | return 0; |
4d9a2bb1 CY |
4621 | free_compress_cache: |
4622 | f2fs_destroy_compress_cache(); | |
c68d6c88 CY |
4623 | free_compress_mempool: |
4624 | f2fs_destroy_compress_mempool(); | |
5e6bbde9 CY |
4625 | free_bioset: |
4626 | f2fs_destroy_bioset(); | |
f543805f CY |
4627 | free_bio_enrty_cache: |
4628 | f2fs_destroy_bio_entry_cache(); | |
a4b68176 DJ |
4629 | free_iostat: |
4630 | f2fs_destroy_iostat_processing(); | |
0b20fcec CY |
4631 | free_post_read: |
4632 | f2fs_destroy_post_read_processing(); | |
6dbb1796 EB |
4633 | free_root_stats: |
4634 | f2fs_destroy_root_stats(); | |
787c7b8c | 4635 | unregister_filesystem(&f2fs_fs_type); |
2658e50d JK |
4636 | free_shrinker: |
4637 | unregister_shrinker(&f2fs_shrinker_info); | |
a398101a | 4638 | free_sysfs: |
dc6b2055 | 4639 | f2fs_exit_sysfs(); |
093749e2 CY |
4640 | free_garbage_collection_cache: |
4641 | f2fs_destroy_garbage_collection_cache(); | |
1dcc336b | 4642 | free_extent_cache: |
4d57b86d | 4643 | f2fs_destroy_extent_cache(); |
cad83c96 CY |
4644 | free_recovery_cache: |
4645 | f2fs_destroy_recovery_cache(); | |
9890ff3f | 4646 | free_checkpoint_caches: |
4d57b86d | 4647 | f2fs_destroy_checkpoint_caches(); |
7fd9e544 | 4648 | free_segment_manager_caches: |
4d57b86d | 4649 | f2fs_destroy_segment_manager_caches(); |
9890ff3f | 4650 | free_node_manager_caches: |
4d57b86d | 4651 | f2fs_destroy_node_manager_caches(); |
9890ff3f ZH |
4652 | free_inodecache: |
4653 | destroy_inodecache(); | |
aff063e2 JK |
4654 | fail: |
4655 | return err; | |
4656 | } | |
4657 | ||
4658 | static void __exit exit_f2fs_fs(void) | |
4659 | { | |
4d9a2bb1 | 4660 | f2fs_destroy_casefold_cache(); |
c68d6c88 | 4661 | f2fs_destroy_compress_cache(); |
5e6bbde9 | 4662 | f2fs_destroy_compress_mempool(); |
f543805f | 4663 | f2fs_destroy_bioset(); |
0b20fcec | 4664 | f2fs_destroy_bio_entry_cache(); |
a4b68176 | 4665 | f2fs_destroy_iostat_processing(); |
6dbb1796 | 4666 | f2fs_destroy_post_read_processing(); |
4589d25d | 4667 | f2fs_destroy_root_stats(); |
aff063e2 | 4668 | unregister_filesystem(&f2fs_fs_type); |
b8bef79d | 4669 | unregister_shrinker(&f2fs_shrinker_info); |
dc6b2055 | 4670 | f2fs_exit_sysfs(); |
093749e2 | 4671 | f2fs_destroy_garbage_collection_cache(); |
4d57b86d | 4672 | f2fs_destroy_extent_cache(); |
cad83c96 | 4673 | f2fs_destroy_recovery_cache(); |
4d57b86d CY |
4674 | f2fs_destroy_checkpoint_caches(); |
4675 | f2fs_destroy_segment_manager_caches(); | |
4676 | f2fs_destroy_node_manager_caches(); | |
aff063e2 JK |
4677 | destroy_inodecache(); |
4678 | } | |
4679 | ||
4680 | module_init(init_f2fs_fs) | |
4681 | module_exit(exit_f2fs_fs) | |
4682 | ||
4683 | MODULE_AUTHOR("Samsung Electronics's Praesto Team"); | |
4684 | MODULE_DESCRIPTION("Flash Friendly File System"); | |
4685 | MODULE_LICENSE("GPL"); | |
0dd57178 | 4686 | MODULE_SOFTDEP("pre: crc32"); |
b4b9d34c | 4687 |