1
2
3
4
5
6
7
8#include <linux/fs.h>
9#include <linux/f2fs_fs.h>
10#include <linux/buffer_head.h>
11#include <linux/backing-dev.h>
12#include <linux/writeback.h>
13
14#include "f2fs.h"
15#include "node.h"
16#include "segment.h"
17#include "xattr.h"
18
19#include <trace/events/f2fs.h>
20
21#ifdef CONFIG_F2FS_FS_COMPRESSION
22extern const struct address_space_operations f2fs_compress_aops;
23#endif
24
25void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
26{
27 if (is_inode_flag_set(inode, FI_NEW_INODE))
28 return;
29
30 if (f2fs_inode_dirtied(inode, sync))
31 return;
32
33 mark_inode_dirty_sync(inode);
34}
35
36void f2fs_set_inode_flags(struct inode *inode)
37{
38 unsigned int flags = F2FS_I(inode)->i_flags;
39 unsigned int new_fl = 0;
40
41 if (flags & F2FS_SYNC_FL)
42 new_fl |= S_SYNC;
43 if (flags & F2FS_APPEND_FL)
44 new_fl |= S_APPEND;
45 if (flags & F2FS_IMMUTABLE_FL)
46 new_fl |= S_IMMUTABLE;
47 if (flags & F2FS_NOATIME_FL)
48 new_fl |= S_NOATIME;
49 if (flags & F2FS_DIRSYNC_FL)
50 new_fl |= S_DIRSYNC;
51 if (file_is_encrypt(inode))
52 new_fl |= S_ENCRYPTED;
53 if (file_is_verity(inode))
54 new_fl |= S_VERITY;
55 if (flags & F2FS_CASEFOLD_FL)
56 new_fl |= S_CASEFOLD;
57 inode_set_flags(inode, new_fl,
58 S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|
59 S_ENCRYPTED|S_VERITY|S_CASEFOLD);
60}
61
62static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
63{
64 int extra_size = get_extra_isize(inode);
65
66 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
67 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
68 if (ri->i_addr[extra_size])
69 inode->i_rdev = old_decode_dev(
70 le32_to_cpu(ri->i_addr[extra_size]));
71 else
72 inode->i_rdev = new_decode_dev(
73 le32_to_cpu(ri->i_addr[extra_size + 1]));
74 }
75}
76
77static int __written_first_block(struct f2fs_sb_info *sbi,
78 struct f2fs_inode *ri)
79{
80 block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
81
82 if (!__is_valid_data_blkaddr(addr))
83 return 1;
84 if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE))
85 return -EFSCORRUPTED;
86 return 0;
87}
88
89static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
90{
91 int extra_size = get_extra_isize(inode);
92
93 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
94 if (old_valid_dev(inode->i_rdev)) {
95 ri->i_addr[extra_size] =
96 cpu_to_le32(old_encode_dev(inode->i_rdev));
97 ri->i_addr[extra_size + 1] = 0;
98 } else {
99 ri->i_addr[extra_size] = 0;
100 ri->i_addr[extra_size + 1] =
101 cpu_to_le32(new_encode_dev(inode->i_rdev));
102 ri->i_addr[extra_size + 2] = 0;
103 }
104 }
105}
106
107static void __recover_inline_status(struct inode *inode, struct page *ipage)
108{
109 void *inline_data = inline_data_addr(inode, ipage);
110 __le32 *start = inline_data;
111 __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32);
112
113 while (start < end) {
114 if (*start++) {
115 f2fs_wait_on_page_writeback(ipage, NODE, true, true);
116
117 set_inode_flag(inode, FI_DATA_EXIST);
118 set_raw_inline(inode, F2FS_INODE(ipage));
119 set_page_dirty(ipage);
120 return;
121 }
122 }
123 return;
124}
125
126static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
127{
128 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
129
130 if (!f2fs_sb_has_inode_chksum(sbi))
131 return false;
132
133 if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR))
134 return false;
135
136 if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize),
137 i_inode_checksum))
138 return false;
139
140 return true;
141}
142
143static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
144{
145 struct f2fs_node *node = F2FS_NODE(page);
146 struct f2fs_inode *ri = &node->i;
147 __le32 ino = node->footer.ino;
148 __le32 gen = ri->i_generation;
149 __u32 chksum, chksum_seed;
150 __u32 dummy_cs = 0;
151 unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum);
152 unsigned int cs_size = sizeof(dummy_cs);
153
154 chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino,
155 sizeof(ino));
156 chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen));
157
158 chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset);
159 chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size);
160 offset += cs_size;
161 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset,
162 F2FS_BLKSIZE - offset);
163 return chksum;
164}
165
166bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
167{
168 struct f2fs_inode *ri;
169 __u32 provided, calculated;
170
171 if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
172 return true;
173
174#ifdef CONFIG_F2FS_CHECK_FS
175 if (!f2fs_enable_inode_chksum(sbi, page))
176#else
177 if (!f2fs_enable_inode_chksum(sbi, page) ||
178 PageDirty(page) || PageWriteback(page))
179#endif
180 return true;
181
182 ri = &F2FS_NODE(page)->i;
183 provided = le32_to_cpu(ri->i_inode_checksum);
184 calculated = f2fs_inode_chksum(sbi, page);
185
186 if (provided != calculated)
187 f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
188 page->index, ino_of_node(page), provided, calculated);
189
190 return provided == calculated;
191}
192
193void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
194{
195 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
196
197 if (!f2fs_enable_inode_chksum(sbi, page))
198 return;
199
200 ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
201}
202
203static bool sanity_check_inode(struct inode *inode, struct page *node_page)
204{
205 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
206 struct f2fs_inode_info *fi = F2FS_I(inode);
207 struct f2fs_inode *ri = F2FS_INODE(node_page);
208 unsigned long long iblocks;
209
210 iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
211 if (!iblocks) {
212 set_sbi_flag(sbi, SBI_NEED_FSCK);
213 f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.",
214 __func__, inode->i_ino, iblocks);
215 return false;
216 }
217
218 if (ino_of_node(node_page) != nid_of_node(node_page)) {
219 set_sbi_flag(sbi, SBI_NEED_FSCK);
220 f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.",
221 __func__, inode->i_ino,
222 ino_of_node(node_page), nid_of_node(node_page));
223 return false;
224 }
225
226 if (f2fs_sb_has_flexible_inline_xattr(sbi)
227 && !f2fs_has_extra_attr(inode)) {
228 set_sbi_flag(sbi, SBI_NEED_FSCK);
229 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.",
230 __func__, inode->i_ino);
231 return false;
232 }
233
234 if (f2fs_has_extra_attr(inode) &&
235 !f2fs_sb_has_extra_attr(sbi)) {
236 set_sbi_flag(sbi, SBI_NEED_FSCK);
237 f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off",
238 __func__, inode->i_ino);
239 return false;
240 }
241
242 if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
243 fi->i_extra_isize % sizeof(__le32)) {
244 set_sbi_flag(sbi, SBI_NEED_FSCK);
245 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu",
246 __func__, inode->i_ino, fi->i_extra_isize,
247 F2FS_TOTAL_EXTRA_ATTR_SIZE);
248 return false;
249 }
250
251 if (f2fs_has_extra_attr(inode) &&
252 f2fs_sb_has_flexible_inline_xattr(sbi) &&
253 f2fs_has_inline_xattr(inode) &&
254 (!fi->i_inline_xattr_size ||
255 fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) {
256 set_sbi_flag(sbi, SBI_NEED_FSCK);
257 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu",
258 __func__, inode->i_ino, fi->i_inline_xattr_size,
259 MAX_INLINE_XATTR_SIZE);
260 return false;
261 }
262
263 if (F2FS_I(inode)->extent_tree) {
264 struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest;
265
266 if (ei->len &&
267 (!f2fs_is_valid_blkaddr(sbi, ei->blk,
268 DATA_GENERIC_ENHANCE) ||
269 !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
270 DATA_GENERIC_ENHANCE))) {
271 set_sbi_flag(sbi, SBI_NEED_FSCK);
272 f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix",
273 __func__, inode->i_ino,
274 ei->blk, ei->fofs, ei->len);
275 return false;
276 }
277 }
278
279 if (f2fs_has_inline_data(inode) &&
280 (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) {
281 set_sbi_flag(sbi, SBI_NEED_FSCK);
282 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix",
283 __func__, inode->i_ino, inode->i_mode);
284 return false;
285 }
286
287 if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
288 set_sbi_flag(sbi, SBI_NEED_FSCK);
289 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix",
290 __func__, inode->i_ino, inode->i_mode);
291 return false;
292 }
293
294 if ((fi->i_flags & F2FS_CASEFOLD_FL) && !f2fs_sb_has_casefold(sbi)) {
295 set_sbi_flag(sbi, SBI_NEED_FSCK);
296 f2fs_warn(sbi, "%s: inode (ino=%lx) has casefold flag, but casefold feature is off",
297 __func__, inode->i_ino);
298 return false;
299 }
300
301 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) &&
302 fi->i_flags & F2FS_COMPR_FL &&
303 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
304 i_log_cluster_size)) {
305 if (ri->i_compress_algorithm >= COMPRESS_MAX) {
306 set_sbi_flag(sbi, SBI_NEED_FSCK);
307 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "
308 "compress algorithm: %u, run fsck to fix",
309 __func__, inode->i_ino,
310 ri->i_compress_algorithm);
311 return false;
312 }
313 if (le64_to_cpu(ri->i_compr_blocks) >
314 SECTOR_TO_BLOCK(inode->i_blocks)) {
315 set_sbi_flag(sbi, SBI_NEED_FSCK);
316 f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent "
317 "i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix",
318 __func__, inode->i_ino,
319 le64_to_cpu(ri->i_compr_blocks),
320 SECTOR_TO_BLOCK(inode->i_blocks));
321 return false;
322 }
323 if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE ||
324 ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) {
325 set_sbi_flag(sbi, SBI_NEED_FSCK);
326 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "
327 "log cluster size: %u, run fsck to fix",
328 __func__, inode->i_ino,
329 ri->i_log_cluster_size);
330 return false;
331 }
332 }
333
334 return true;
335}
336
337static int do_read_inode(struct inode *inode)
338{
339 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
340 struct f2fs_inode_info *fi = F2FS_I(inode);
341 struct page *node_page;
342 struct f2fs_inode *ri;
343 projid_t i_projid;
344 int err;
345
346
347 if (f2fs_check_nid_range(sbi, inode->i_ino))
348 return -EINVAL;
349
350 node_page = f2fs_get_node_page(sbi, inode->i_ino);
351 if (IS_ERR(node_page))
352 return PTR_ERR(node_page);
353
354 ri = F2FS_INODE(node_page);
355
356 inode->i_mode = le16_to_cpu(ri->i_mode);
357 i_uid_write(inode, le32_to_cpu(ri->i_uid));
358 i_gid_write(inode, le32_to_cpu(ri->i_gid));
359 set_nlink(inode, le32_to_cpu(ri->i_links));
360 inode->i_size = le64_to_cpu(ri->i_size);
361 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1);
362
363 inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime);
364 inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime);
365 inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime);
366 inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec);
367 inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
368 inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
369 inode->i_generation = le32_to_cpu(ri->i_generation);
370 if (S_ISDIR(inode->i_mode))
371 fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
372 else if (S_ISREG(inode->i_mode))
373 fi->i_gc_failures[GC_FAILURE_PIN] =
374 le16_to_cpu(ri->i_gc_failures);
375 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
376 fi->i_flags = le32_to_cpu(ri->i_flags);
377 if (S_ISREG(inode->i_mode))
378 fi->i_flags &= ~F2FS_PROJINHERIT_FL;
379 bitmap_zero(fi->flags, FI_MAX);
380 fi->i_advise = ri->i_advise;
381 fi->i_pino = le32_to_cpu(ri->i_pino);
382 fi->i_dir_level = ri->i_dir_level;
383
384 f2fs_init_extent_tree(inode, node_page);
385
386 get_inline_info(inode, ri);
387
388 fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
389 le16_to_cpu(ri->i_extra_isize) : 0;
390
391 if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
392 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
393 } else if (f2fs_has_inline_xattr(inode) ||
394 f2fs_has_inline_dentry(inode)) {
395 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
396 } else {
397
398
399
400
401
402
403
404 fi->i_inline_xattr_size = 0;
405 }
406
407 if (!sanity_check_inode(inode, node_page)) {
408 f2fs_put_page(node_page, 1);
409 return -EFSCORRUPTED;
410 }
411
412
413 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
414 __recover_inline_status(inode, node_page);
415
416
417 if (!S_ISDIR(inode->i_mode) && !is_cold_node(node_page)) {
418 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
419 set_cold_node(node_page, false);
420 set_page_dirty(node_page);
421 }
422
423
424 __get_inode_rdev(inode, ri);
425
426 if (S_ISREG(inode->i_mode)) {
427 err = __written_first_block(sbi, ri);
428 if (err < 0) {
429 f2fs_put_page(node_page, 1);
430 return err;
431 }
432 if (!err)
433 set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
434 }
435
436 if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
437 fi->last_disk_size = inode->i_size;
438
439 if (fi->i_flags & F2FS_PROJINHERIT_FL)
440 set_inode_flag(inode, FI_PROJ_INHERIT);
441
442 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) &&
443 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
444 i_projid = (projid_t)le32_to_cpu(ri->i_projid);
445 else
446 i_projid = F2FS_DEF_PROJID;
447 fi->i_projid = make_kprojid(&init_user_ns, i_projid);
448
449 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) &&
450 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
451 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
452 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
453 }
454
455 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) &&
456 (fi->i_flags & F2FS_COMPR_FL)) {
457 if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
458 i_log_cluster_size)) {
459 atomic_set(&fi->i_compr_blocks,
460 le64_to_cpu(ri->i_compr_blocks));
461 fi->i_compress_algorithm = ri->i_compress_algorithm;
462 fi->i_log_cluster_size = ri->i_log_cluster_size;
463 fi->i_compress_flag = le16_to_cpu(ri->i_compress_flag);
464 fi->i_cluster_size = 1 << fi->i_log_cluster_size;
465 set_inode_flag(inode, FI_COMPRESSED_FILE);
466 }
467 }
468
469 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
470 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
471 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
472 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
473 f2fs_put_page(node_page, 1);
474
475 stat_inc_inline_xattr(inode);
476 stat_inc_inline_inode(inode);
477 stat_inc_inline_dir(inode);
478 stat_inc_compr_inode(inode);
479 stat_add_compr_blocks(inode, atomic_read(&fi->i_compr_blocks));
480
481 return 0;
482}
483
484struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
485{
486 struct f2fs_sb_info *sbi = F2FS_SB(sb);
487 struct inode *inode;
488 int ret = 0;
489
490 inode = iget_locked(sb, ino);
491 if (!inode)
492 return ERR_PTR(-ENOMEM);
493
494 if (!(inode->i_state & I_NEW)) {
495 trace_f2fs_iget(inode);
496 return inode;
497 }
498 if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi))
499 goto make_now;
500
501#ifdef CONFIG_F2FS_FS_COMPRESSION
502 if (ino == F2FS_COMPRESS_INO(sbi))
503 goto make_now;
504#endif
505
506 ret = do_read_inode(inode);
507 if (ret)
508 goto bad_inode;
509make_now:
510 if (ino == F2FS_NODE_INO(sbi)) {
511 inode->i_mapping->a_ops = &f2fs_node_aops;
512 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
513 } else if (ino == F2FS_META_INO(sbi)) {
514 inode->i_mapping->a_ops = &f2fs_meta_aops;
515 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
516 } else if (ino == F2FS_COMPRESS_INO(sbi)) {
517#ifdef CONFIG_F2FS_FS_COMPRESSION
518 inode->i_mapping->a_ops = &f2fs_compress_aops;
519#endif
520 mapping_set_gfp_mask(inode->i_mapping,
521 GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE);
522 } else if (S_ISREG(inode->i_mode)) {
523 inode->i_op = &f2fs_file_inode_operations;
524 inode->i_fop = &f2fs_file_operations;
525 inode->i_mapping->a_ops = &f2fs_dblock_aops;
526 } else if (S_ISDIR(inode->i_mode)) {
527 inode->i_op = &f2fs_dir_inode_operations;
528 inode->i_fop = &f2fs_dir_operations;
529 inode->i_mapping->a_ops = &f2fs_dblock_aops;
530 inode_nohighmem(inode);
531 } else if (S_ISLNK(inode->i_mode)) {
532 if (file_is_encrypt(inode))
533 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
534 else
535 inode->i_op = &f2fs_symlink_inode_operations;
536 inode_nohighmem(inode);
537 inode->i_mapping->a_ops = &f2fs_dblock_aops;
538 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
539 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
540 inode->i_op = &f2fs_special_inode_operations;
541 init_special_inode(inode, inode->i_mode, inode->i_rdev);
542 } else {
543 ret = -EIO;
544 goto bad_inode;
545 }
546 f2fs_set_inode_flags(inode);
547 unlock_new_inode(inode);
548 trace_f2fs_iget(inode);
549 return inode;
550
551bad_inode:
552 f2fs_inode_synced(inode);
553 iget_failed(inode);
554 trace_f2fs_iget_exit(inode, ret);
555 return ERR_PTR(ret);
556}
557
558struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino)
559{
560 struct inode *inode;
561retry:
562 inode = f2fs_iget(sb, ino);
563 if (IS_ERR(inode)) {
564 if (PTR_ERR(inode) == -ENOMEM) {
565 congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
566 goto retry;
567 }
568 }
569 return inode;
570}
571
572void f2fs_update_inode(struct inode *inode, struct page *node_page)
573{
574 struct f2fs_inode *ri;
575 struct extent_tree *et = F2FS_I(inode)->extent_tree;
576
577 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
578 set_page_dirty(node_page);
579
580 f2fs_inode_synced(inode);
581
582 ri = F2FS_INODE(node_page);
583
584 ri->i_mode = cpu_to_le16(inode->i_mode);
585 ri->i_advise = F2FS_I(inode)->i_advise;
586 ri->i_uid = cpu_to_le32(i_uid_read(inode));
587 ri->i_gid = cpu_to_le32(i_gid_read(inode));
588 ri->i_links = cpu_to_le32(inode->i_nlink);
589 ri->i_size = cpu_to_le64(i_size_read(inode));
590 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
591
592 if (et) {
593 read_lock(&et->lock);
594 set_raw_extent(&et->largest, &ri->i_ext);
595 read_unlock(&et->lock);
596 } else {
597 memset(&ri->i_ext, 0, sizeof(ri->i_ext));
598 }
599 set_raw_inline(inode, ri);
600
601 ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
602 ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
603 ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
604 ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
605 ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
606 ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
607 if (S_ISDIR(inode->i_mode))
608 ri->i_current_depth =
609 cpu_to_le32(F2FS_I(inode)->i_current_depth);
610 else if (S_ISREG(inode->i_mode))
611 ri->i_gc_failures =
612 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
613 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
614 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
615 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
616 ri->i_generation = cpu_to_le32(inode->i_generation);
617 ri->i_dir_level = F2FS_I(inode)->i_dir_level;
618
619 if (f2fs_has_extra_attr(inode)) {
620 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
621
622 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)))
623 ri->i_inline_xattr_size =
624 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
625
626 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) &&
627 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
628 i_projid)) {
629 projid_t i_projid;
630
631 i_projid = from_kprojid(&init_user_ns,
632 F2FS_I(inode)->i_projid);
633 ri->i_projid = cpu_to_le32(i_projid);
634 }
635
636 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) &&
637 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
638 i_crtime)) {
639 ri->i_crtime =
640 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
641 ri->i_crtime_nsec =
642 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
643 }
644
645 if (f2fs_sb_has_compression(F2FS_I_SB(inode)) &&
646 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
647 i_log_cluster_size)) {
648 ri->i_compr_blocks =
649 cpu_to_le64(atomic_read(
650 &F2FS_I(inode)->i_compr_blocks));
651 ri->i_compress_algorithm =
652 F2FS_I(inode)->i_compress_algorithm;
653 ri->i_compress_flag =
654 cpu_to_le16(F2FS_I(inode)->i_compress_flag);
655 ri->i_log_cluster_size =
656 F2FS_I(inode)->i_log_cluster_size;
657 }
658 }
659
660 __set_inode_rdev(inode, ri);
661
662
663 if (inode->i_nlink == 0)
664 clear_page_private_inline(node_page);
665
666 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
667 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
668 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
669 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
670
671#ifdef CONFIG_F2FS_CHECK_FS
672 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
673#endif
674}
675
676void f2fs_update_inode_page(struct inode *inode)
677{
678 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
679 struct page *node_page;
680retry:
681 node_page = f2fs_get_node_page(sbi, inode->i_ino);
682 if (IS_ERR(node_page)) {
683 int err = PTR_ERR(node_page);
684
685 if (err == -ENOMEM) {
686 cond_resched();
687 goto retry;
688 } else if (err != -ENOENT) {
689 f2fs_stop_checkpoint(sbi, false);
690 }
691 return;
692 }
693 f2fs_update_inode(inode, node_page);
694 f2fs_put_page(node_page, 1);
695}
696
697int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
698{
699 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
700
701 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
702 inode->i_ino == F2FS_META_INO(sbi))
703 return 0;
704
705
706
707
708 if (f2fs_is_time_consistent(inode) &&
709 !is_inode_flag_set(inode, FI_DIRTY_INODE))
710 return 0;
711
712 if (!f2fs_is_checkpoint_ready(sbi))
713 return -ENOSPC;
714
715
716
717
718
719 f2fs_update_inode_page(inode);
720 if (wbc && wbc->nr_to_write)
721 f2fs_balance_fs(sbi, true);
722 return 0;
723}
724
725
726
727
728void f2fs_evict_inode(struct inode *inode)
729{
730 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
731 nid_t xnid = F2FS_I(inode)->i_xattr_nid;
732 int err = 0;
733
734
735 if (f2fs_is_atomic_file(inode))
736 f2fs_drop_inmem_pages(inode);
737
738 trace_f2fs_evict_inode(inode);
739 truncate_inode_pages_final(&inode->i_data);
740
741 if (test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode))
742 f2fs_invalidate_compress_pages(sbi, inode->i_ino);
743
744 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
745 inode->i_ino == F2FS_META_INO(sbi) ||
746 inode->i_ino == F2FS_COMPRESS_INO(sbi))
747 goto out_clear;
748
749 f2fs_bug_on(sbi, get_dirty_pages(inode));
750 f2fs_remove_dirty_inode(inode);
751
752 f2fs_destroy_extent_tree(inode);
753
754 if (inode->i_nlink || is_bad_inode(inode))
755 goto no_delete;
756
757 err = dquot_initialize(inode);
758 if (err) {
759 err = 0;
760 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
761 }
762
763 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
764 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
765 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
766
767 sb_start_intwrite(inode->i_sb);
768 set_inode_flag(inode, FI_NO_ALLOC);
769 i_size_write(inode, 0);
770retry:
771 if (F2FS_HAS_BLOCKS(inode))
772 err = f2fs_truncate(inode);
773
774 if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
775 f2fs_show_injection_info(sbi, FAULT_EVICT_INODE);
776 err = -EIO;
777 }
778
779 if (!err) {
780 f2fs_lock_op(sbi);
781 err = f2fs_remove_inode_page(inode);
782 f2fs_unlock_op(sbi);
783 if (err == -ENOENT)
784 err = 0;
785 }
786
787
788 if (err == -ENOMEM) {
789 err = 0;
790 goto retry;
791 }
792
793 if (err) {
794 f2fs_update_inode_page(inode);
795 if (dquot_initialize_needed(inode))
796 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
797 }
798 sb_end_intwrite(inode->i_sb);
799no_delete:
800 dquot_drop(inode);
801
802 stat_dec_inline_xattr(inode);
803 stat_dec_inline_dir(inode);
804 stat_dec_inline_inode(inode);
805 stat_dec_compr_inode(inode);
806 stat_sub_compr_blocks(inode,
807 atomic_read(&F2FS_I(inode)->i_compr_blocks));
808
809 if (likely(!f2fs_cp_error(sbi) &&
810 !is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
811 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
812 else
813 f2fs_inode_synced(inode);
814
815
816 if (inode->i_ino)
817 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino,
818 inode->i_ino);
819 if (xnid)
820 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
821 if (inode->i_nlink) {
822 if (is_inode_flag_set(inode, FI_APPEND_WRITE))
823 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
824 if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
825 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
826 }
827 if (is_inode_flag_set(inode, FI_FREE_NID)) {
828 f2fs_alloc_nid_failed(sbi, inode->i_ino);
829 clear_inode_flag(inode, FI_FREE_NID);
830 } else {
831
832
833
834
835
836 }
837out_clear:
838 fscrypt_put_encryption_info(inode);
839 fsverity_cleanup_inode(inode);
840 clear_inode(inode);
841}
842
843
844void f2fs_handle_failed_inode(struct inode *inode)
845{
846 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
847 struct node_info ni;
848 int err;
849
850
851
852
853
854 clear_nlink(inode);
855
856
857
858
859
860 f2fs_update_inode_page(inode);
861 f2fs_inode_synced(inode);
862
863
864 unlock_new_inode(inode);
865
866
867
868
869
870
871 err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
872 if (err) {
873 set_sbi_flag(sbi, SBI_NEED_FSCK);
874 f2fs_warn(sbi, "May loss orphan inode, run fsck to fix.");
875 goto out;
876 }
877
878 if (ni.blk_addr != NULL_ADDR) {
879 err = f2fs_acquire_orphan_inode(sbi);
880 if (err) {
881 set_sbi_flag(sbi, SBI_NEED_FSCK);
882 f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix.");
883 } else {
884 f2fs_add_orphan_inode(inode);
885 }
886 f2fs_alloc_nid_done(sbi, inode->i_ino);
887 } else {
888 set_inode_flag(inode, FI_FREE_NID);
889 }
890
891out:
892 f2fs_unlock_op(sbi);
893
894
895 iput(inode);
896}
897
