1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
9 #include <linux/f2fs_fs.h>
10 #include <linux/buffer_head.h>
11 #include <linux/writeback.h>
12 #include <linux/sched/mm.h>
13 #include <linux/lz4.h>
14 #include <linux/zstd.h>
21 #include <trace/events/f2fs.h>
23 #ifdef CONFIG_F2FS_FS_COMPRESSION
24 extern const struct address_space_operations f2fs_compress_aops;
27 void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
29 if (is_inode_flag_set(inode, FI_NEW_INODE))
32 if (f2fs_inode_dirtied(inode, sync))
35 mark_inode_dirty_sync(inode);
38 void f2fs_set_inode_flags(struct inode *inode)
40 unsigned int flags = F2FS_I(inode)->i_flags;
41 unsigned int new_fl = 0;
43 if (flags & F2FS_SYNC_FL)
45 if (flags & F2FS_APPEND_FL)
47 if (flags & F2FS_IMMUTABLE_FL)
48 new_fl |= S_IMMUTABLE;
49 if (flags & F2FS_NOATIME_FL)
51 if (flags & F2FS_DIRSYNC_FL)
53 if (file_is_encrypt(inode))
54 new_fl |= S_ENCRYPTED;
55 if (file_is_verity(inode))
57 if (flags & F2FS_CASEFOLD_FL)
59 inode_set_flags(inode, new_fl,
60 S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|
61 S_ENCRYPTED|S_VERITY|S_CASEFOLD);
64 static void __get_inode_rdev(struct inode *inode, struct page *node_page)
66 __le32 *addr = get_dnode_addr(inode, node_page);
68 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
69 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
71 inode->i_rdev = old_decode_dev(le32_to_cpu(addr[0]));
73 inode->i_rdev = new_decode_dev(le32_to_cpu(addr[1]));
77 static void __set_inode_rdev(struct inode *inode, struct page *node_page)
79 __le32 *addr = get_dnode_addr(inode, node_page);
81 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
82 if (old_valid_dev(inode->i_rdev)) {
83 addr[0] = cpu_to_le32(old_encode_dev(inode->i_rdev));
87 addr[1] = cpu_to_le32(new_encode_dev(inode->i_rdev));
93 static void __recover_inline_status(struct inode *inode, struct page *ipage)
95 void *inline_data = inline_data_addr(inode, ipage);
96 __le32 *start = inline_data;
97 __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32);
101 f2fs_wait_on_page_writeback(ipage, NODE, true, true);
103 set_inode_flag(inode, FI_DATA_EXIST);
104 set_raw_inline(inode, F2FS_INODE(ipage));
105 set_page_dirty(ipage);
112 static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
114 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
116 if (!f2fs_sb_has_inode_chksum(sbi))
119 if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR))
122 if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize),
129 static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
131 struct f2fs_node *node = F2FS_NODE(page);
132 struct f2fs_inode *ri = &node->i;
133 __le32 ino = node->footer.ino;
134 __le32 gen = ri->i_generation;
135 __u32 chksum, chksum_seed;
137 unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum);
138 unsigned int cs_size = sizeof(dummy_cs);
140 chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino,
142 chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen));
144 chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset);
145 chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size);
147 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset,
148 F2FS_BLKSIZE - offset);
152 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
154 struct f2fs_inode *ri;
155 __u32 provided, calculated;
157 if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
160 #ifdef CONFIG_F2FS_CHECK_FS
161 if (!f2fs_enable_inode_chksum(sbi, page))
163 if (!f2fs_enable_inode_chksum(sbi, page) ||
164 PageDirty(page) || PageWriteback(page))
168 ri = &F2FS_NODE(page)->i;
169 provided = le32_to_cpu(ri->i_inode_checksum);
170 calculated = f2fs_inode_chksum(sbi, page);
172 if (provided != calculated)
173 f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
174 page->index, ino_of_node(page), provided, calculated);
176 return provided == calculated;
179 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
181 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
183 if (!f2fs_enable_inode_chksum(sbi, page))
186 ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
189 static bool sanity_check_compress_inode(struct inode *inode,
190 struct f2fs_inode *ri)
192 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
193 unsigned char clevel;
195 if (ri->i_compress_algorithm >= COMPRESS_MAX) {
197 "%s: inode (ino=%lx) has unsupported compress algorithm: %u, run fsck to fix",
198 __func__, inode->i_ino, ri->i_compress_algorithm);
201 if (le64_to_cpu(ri->i_compr_blocks) >
202 SECTOR_TO_BLOCK(inode->i_blocks)) {
204 "%s: inode (ino=%lx) has inconsistent i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix",
205 __func__, inode->i_ino, le64_to_cpu(ri->i_compr_blocks),
206 SECTOR_TO_BLOCK(inode->i_blocks));
209 if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE ||
210 ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) {
212 "%s: inode (ino=%lx) has unsupported log cluster size: %u, run fsck to fix",
213 __func__, inode->i_ino, ri->i_log_cluster_size);
217 clevel = le16_to_cpu(ri->i_compress_flag) >>
218 COMPRESS_LEVEL_OFFSET;
219 switch (ri->i_compress_algorithm) {
221 #ifdef CONFIG_F2FS_FS_LZO
226 case COMPRESS_LZORLE:
227 #ifdef CONFIG_F2FS_FS_LZORLE
233 #ifdef CONFIG_F2FS_FS_LZ4
234 #ifdef CONFIG_F2FS_FS_LZ4HC
236 (clevel < LZ4HC_MIN_CLEVEL || clevel > LZ4HC_MAX_CLEVEL))
245 #ifdef CONFIG_F2FS_FS_ZSTD
246 if (clevel < zstd_min_clevel() || clevel > zstd_max_clevel())
256 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported compress level: %u, run fsck to fix",
257 __func__, inode->i_ino, clevel);
261 static bool sanity_check_inode(struct inode *inode, struct page *node_page)
263 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
264 struct f2fs_inode_info *fi = F2FS_I(inode);
265 struct f2fs_inode *ri = F2FS_INODE(node_page);
266 unsigned long long iblocks;
268 iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
270 f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.",
271 __func__, inode->i_ino, iblocks);
275 if (ino_of_node(node_page) != nid_of_node(node_page)) {
276 f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.",
277 __func__, inode->i_ino,
278 ino_of_node(node_page), nid_of_node(node_page));
282 if (f2fs_has_extra_attr(inode)) {
283 if (!f2fs_sb_has_extra_attr(sbi)) {
284 f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off",
285 __func__, inode->i_ino);
288 if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
289 fi->i_extra_isize < F2FS_MIN_EXTRA_ATTR_SIZE ||
290 fi->i_extra_isize % sizeof(__le32)) {
291 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu",
292 __func__, inode->i_ino, fi->i_extra_isize,
293 F2FS_TOTAL_EXTRA_ATTR_SIZE);
296 if (f2fs_sb_has_flexible_inline_xattr(sbi) &&
297 f2fs_has_inline_xattr(inode) &&
298 (!fi->i_inline_xattr_size ||
299 fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) {
300 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %lu",
301 __func__, inode->i_ino, fi->i_inline_xattr_size,
302 MAX_INLINE_XATTR_SIZE);
305 if (f2fs_sb_has_compression(sbi) &&
306 fi->i_flags & F2FS_COMPR_FL &&
307 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
309 if (!sanity_check_compress_inode(inode, ri))
312 } else if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
313 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.",
314 __func__, inode->i_ino);
318 if (!f2fs_sb_has_extra_attr(sbi)) {
319 if (f2fs_sb_has_project_quota(sbi)) {
320 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.",
321 __func__, inode->i_ino, F2FS_FEATURE_PRJQUOTA);
324 if (f2fs_sb_has_inode_chksum(sbi)) {
325 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.",
326 __func__, inode->i_ino, F2FS_FEATURE_INODE_CHKSUM);
329 if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
330 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.",
331 __func__, inode->i_ino, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR);
334 if (f2fs_sb_has_inode_crtime(sbi)) {
335 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.",
336 __func__, inode->i_ino, F2FS_FEATURE_INODE_CRTIME);
339 if (f2fs_sb_has_compression(sbi)) {
340 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, wrong feature flag: %u, run fsck to fix.",
341 __func__, inode->i_ino, F2FS_FEATURE_COMPRESSION);
346 if (f2fs_sanity_check_inline_data(inode)) {
347 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix",
348 __func__, inode->i_ino, inode->i_mode);
352 if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
353 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix",
354 __func__, inode->i_ino, inode->i_mode);
358 if ((fi->i_flags & F2FS_CASEFOLD_FL) && !f2fs_sb_has_casefold(sbi)) {
359 f2fs_warn(sbi, "%s: inode (ino=%lx) has casefold flag, but casefold feature is off",
360 __func__, inode->i_ino);
367 static void init_idisk_time(struct inode *inode)
369 struct f2fs_inode_info *fi = F2FS_I(inode);
371 fi->i_disk_time[0] = inode_get_atime(inode);
372 fi->i_disk_time[1] = inode_get_ctime(inode);
373 fi->i_disk_time[2] = inode_get_mtime(inode);
376 static int do_read_inode(struct inode *inode)
378 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
379 struct f2fs_inode_info *fi = F2FS_I(inode);
380 struct page *node_page;
381 struct f2fs_inode *ri;
384 /* Check if ino is within scope */
385 if (f2fs_check_nid_range(sbi, inode->i_ino))
388 node_page = f2fs_get_node_page(sbi, inode->i_ino);
389 if (IS_ERR(node_page))
390 return PTR_ERR(node_page);
392 ri = F2FS_INODE(node_page);
394 inode->i_mode = le16_to_cpu(ri->i_mode);
395 i_uid_write(inode, le32_to_cpu(ri->i_uid));
396 i_gid_write(inode, le32_to_cpu(ri->i_gid));
397 set_nlink(inode, le32_to_cpu(ri->i_links));
398 inode->i_size = le64_to_cpu(ri->i_size);
399 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1);
401 inode_set_atime(inode, le64_to_cpu(ri->i_atime),
402 le32_to_cpu(ri->i_atime_nsec));
403 inode_set_ctime(inode, le64_to_cpu(ri->i_ctime),
404 le32_to_cpu(ri->i_ctime_nsec));
405 inode_set_mtime(inode, le64_to_cpu(ri->i_mtime),
406 le32_to_cpu(ri->i_mtime_nsec));
407 inode->i_generation = le32_to_cpu(ri->i_generation);
408 if (S_ISDIR(inode->i_mode))
409 fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
410 else if (S_ISREG(inode->i_mode))
411 fi->i_gc_failures[GC_FAILURE_PIN] =
412 le16_to_cpu(ri->i_gc_failures);
413 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
414 fi->i_flags = le32_to_cpu(ri->i_flags);
415 if (S_ISREG(inode->i_mode))
416 fi->i_flags &= ~F2FS_PROJINHERIT_FL;
417 bitmap_zero(fi->flags, FI_MAX);
418 fi->i_advise = ri->i_advise;
419 fi->i_pino = le32_to_cpu(ri->i_pino);
420 fi->i_dir_level = ri->i_dir_level;
422 get_inline_info(inode, ri);
424 fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
425 le16_to_cpu(ri->i_extra_isize) : 0;
427 if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
428 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
429 } else if (f2fs_has_inline_xattr(inode) ||
430 f2fs_has_inline_dentry(inode)) {
431 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
435 * Previous inline data or directory always reserved 200 bytes
436 * in inode layout, even if inline_xattr is disabled. In order
437 * to keep inline_dentry's structure for backward compatibility,
438 * we get the space back only from inline_data.
440 fi->i_inline_xattr_size = 0;
443 if (!sanity_check_inode(inode, node_page)) {
444 f2fs_put_page(node_page, 1);
445 set_sbi_flag(sbi, SBI_NEED_FSCK);
446 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
447 return -EFSCORRUPTED;
450 /* check data exist */
451 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
452 __recover_inline_status(inode, node_page);
454 /* try to recover cold bit for non-dir inode */
455 if (!S_ISDIR(inode->i_mode) && !is_cold_node(node_page)) {
456 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
457 set_cold_node(node_page, false);
458 set_page_dirty(node_page);
461 /* get rdev by using inline_info */
462 __get_inode_rdev(inode, node_page);
464 if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
465 fi->last_disk_size = inode->i_size;
467 if (fi->i_flags & F2FS_PROJINHERIT_FL)
468 set_inode_flag(inode, FI_PROJ_INHERIT);
470 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) &&
471 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
472 i_projid = (projid_t)le32_to_cpu(ri->i_projid);
474 i_projid = F2FS_DEF_PROJID;
475 fi->i_projid = make_kprojid(&init_user_ns, i_projid);
477 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) &&
478 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
479 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
480 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
483 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) &&
484 (fi->i_flags & F2FS_COMPR_FL)) {
485 if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
487 unsigned short compress_flag;
489 atomic_set(&fi->i_compr_blocks,
490 le64_to_cpu(ri->i_compr_blocks));
491 fi->i_compress_algorithm = ri->i_compress_algorithm;
492 fi->i_log_cluster_size = ri->i_log_cluster_size;
493 compress_flag = le16_to_cpu(ri->i_compress_flag);
494 fi->i_compress_level = compress_flag >>
495 COMPRESS_LEVEL_OFFSET;
496 fi->i_compress_flag = compress_flag &
497 GENMASK(COMPRESS_LEVEL_OFFSET - 1, 0);
498 fi->i_cluster_size = BIT(fi->i_log_cluster_size);
499 set_inode_flag(inode, FI_COMPRESSED_FILE);
503 init_idisk_time(inode);
505 /* Need all the flag bits */
506 f2fs_init_read_extent_tree(inode, node_page);
507 f2fs_init_age_extent_tree(inode);
509 if (!sanity_check_extent_cache(inode)) {
510 f2fs_put_page(node_page, 1);
511 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
512 return -EFSCORRUPTED;
515 f2fs_put_page(node_page, 1);
517 stat_inc_inline_xattr(inode);
518 stat_inc_inline_inode(inode);
519 stat_inc_inline_dir(inode);
520 stat_inc_compr_inode(inode);
521 stat_add_compr_blocks(inode, atomic_read(&fi->i_compr_blocks));
526 static bool is_meta_ino(struct f2fs_sb_info *sbi, unsigned int ino)
528 return ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi) ||
529 ino == F2FS_COMPRESS_INO(sbi);
532 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
534 struct f2fs_sb_info *sbi = F2FS_SB(sb);
538 inode = iget_locked(sb, ino);
540 return ERR_PTR(-ENOMEM);
542 if (!(inode->i_state & I_NEW)) {
543 if (is_meta_ino(sbi, ino)) {
544 f2fs_err(sbi, "inaccessible inode: %lu, run fsck to repair", ino);
545 set_sbi_flag(sbi, SBI_NEED_FSCK);
547 trace_f2fs_iget_exit(inode, ret);
549 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
553 trace_f2fs_iget(inode);
557 if (is_meta_ino(sbi, ino))
560 ret = do_read_inode(inode);
564 if (ino == F2FS_NODE_INO(sbi)) {
565 inode->i_mapping->a_ops = &f2fs_node_aops;
566 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
567 } else if (ino == F2FS_META_INO(sbi)) {
568 inode->i_mapping->a_ops = &f2fs_meta_aops;
569 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
570 } else if (ino == F2FS_COMPRESS_INO(sbi)) {
571 #ifdef CONFIG_F2FS_FS_COMPRESSION
572 inode->i_mapping->a_ops = &f2fs_compress_aops;
574 * generic_error_remove_folio only truncates pages of regular
577 inode->i_mode |= S_IFREG;
579 mapping_set_gfp_mask(inode->i_mapping,
580 GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE);
581 } else if (S_ISREG(inode->i_mode)) {
582 inode->i_op = &f2fs_file_inode_operations;
583 inode->i_fop = &f2fs_file_operations;
584 inode->i_mapping->a_ops = &f2fs_dblock_aops;
585 } else if (S_ISDIR(inode->i_mode)) {
586 inode->i_op = &f2fs_dir_inode_operations;
587 inode->i_fop = &f2fs_dir_operations;
588 inode->i_mapping->a_ops = &f2fs_dblock_aops;
589 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
590 } else if (S_ISLNK(inode->i_mode)) {
591 if (file_is_encrypt(inode))
592 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
594 inode->i_op = &f2fs_symlink_inode_operations;
595 inode_nohighmem(inode);
596 inode->i_mapping->a_ops = &f2fs_dblock_aops;
597 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
598 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
599 inode->i_op = &f2fs_special_inode_operations;
600 init_special_inode(inode, inode->i_mode, inode->i_rdev);
605 f2fs_set_inode_flags(inode);
607 if (file_should_truncate(inode) &&
608 !is_sbi_flag_set(sbi, SBI_POR_DOING)) {
609 ret = f2fs_truncate(inode);
612 file_dont_truncate(inode);
615 unlock_new_inode(inode);
616 trace_f2fs_iget(inode);
620 f2fs_inode_synced(inode);
622 trace_f2fs_iget_exit(inode, ret);
626 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino)
630 inode = f2fs_iget(sb, ino);
632 if (PTR_ERR(inode) == -ENOMEM) {
633 memalloc_retry_wait(GFP_NOFS);
640 void f2fs_update_inode(struct inode *inode, struct page *node_page)
642 struct f2fs_inode *ri;
643 struct extent_tree *et = F2FS_I(inode)->extent_tree[EX_READ];
645 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
646 set_page_dirty(node_page);
648 f2fs_inode_synced(inode);
650 ri = F2FS_INODE(node_page);
652 ri->i_mode = cpu_to_le16(inode->i_mode);
653 ri->i_advise = F2FS_I(inode)->i_advise;
654 ri->i_uid = cpu_to_le32(i_uid_read(inode));
655 ri->i_gid = cpu_to_le32(i_gid_read(inode));
656 ri->i_links = cpu_to_le32(inode->i_nlink);
657 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
659 if (!f2fs_is_atomic_file(inode) ||
660 is_inode_flag_set(inode, FI_ATOMIC_COMMITTED))
661 ri->i_size = cpu_to_le64(i_size_read(inode));
664 read_lock(&et->lock);
665 set_raw_read_extent(&et->largest, &ri->i_ext);
666 read_unlock(&et->lock);
668 memset(&ri->i_ext, 0, sizeof(ri->i_ext));
670 set_raw_inline(inode, ri);
672 ri->i_atime = cpu_to_le64(inode_get_atime_sec(inode));
673 ri->i_ctime = cpu_to_le64(inode_get_ctime_sec(inode));
674 ri->i_mtime = cpu_to_le64(inode_get_mtime_sec(inode));
675 ri->i_atime_nsec = cpu_to_le32(inode_get_atime_nsec(inode));
676 ri->i_ctime_nsec = cpu_to_le32(inode_get_ctime_nsec(inode));
677 ri->i_mtime_nsec = cpu_to_le32(inode_get_mtime_nsec(inode));
678 if (S_ISDIR(inode->i_mode))
679 ri->i_current_depth =
680 cpu_to_le32(F2FS_I(inode)->i_current_depth);
681 else if (S_ISREG(inode->i_mode))
683 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
684 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
685 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
686 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
687 ri->i_generation = cpu_to_le32(inode->i_generation);
688 ri->i_dir_level = F2FS_I(inode)->i_dir_level;
690 if (f2fs_has_extra_attr(inode)) {
691 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
693 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)))
694 ri->i_inline_xattr_size =
695 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
697 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) &&
698 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
702 i_projid = from_kprojid(&init_user_ns,
703 F2FS_I(inode)->i_projid);
704 ri->i_projid = cpu_to_le32(i_projid);
707 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) &&
708 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
711 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
713 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
716 if (f2fs_sb_has_compression(F2FS_I_SB(inode)) &&
717 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
719 unsigned short compress_flag;
722 cpu_to_le64(atomic_read(
723 &F2FS_I(inode)->i_compr_blocks));
724 ri->i_compress_algorithm =
725 F2FS_I(inode)->i_compress_algorithm;
726 compress_flag = F2FS_I(inode)->i_compress_flag |
727 F2FS_I(inode)->i_compress_level <<
728 COMPRESS_LEVEL_OFFSET;
729 ri->i_compress_flag = cpu_to_le16(compress_flag);
730 ri->i_log_cluster_size =
731 F2FS_I(inode)->i_log_cluster_size;
735 __set_inode_rdev(inode, node_page);
738 if (inode->i_nlink == 0)
739 clear_page_private_inline(node_page);
741 init_idisk_time(inode);
742 #ifdef CONFIG_F2FS_CHECK_FS
743 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
747 void f2fs_update_inode_page(struct inode *inode)
749 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
750 struct page *node_page;
753 node_page = f2fs_get_node_page(sbi, inode->i_ino);
754 if (IS_ERR(node_page)) {
755 int err = PTR_ERR(node_page);
757 /* The node block was truncated. */
761 if (err == -ENOMEM || ++count <= DEFAULT_RETRY_IO_COUNT)
763 f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_UPDATE_INODE);
766 f2fs_update_inode(inode, node_page);
767 f2fs_put_page(node_page, 1);
770 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
772 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
774 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
775 inode->i_ino == F2FS_META_INO(sbi))
779 * atime could be updated without dirtying f2fs inode in lazytime mode
781 if (f2fs_is_time_consistent(inode) &&
782 !is_inode_flag_set(inode, FI_DIRTY_INODE))
785 if (!f2fs_is_checkpoint_ready(sbi))
789 * We need to balance fs here to prevent from producing dirty node pages
790 * during the urgent cleaning time when running out of free sections.
792 f2fs_update_inode_page(inode);
793 if (wbc && wbc->nr_to_write)
794 f2fs_balance_fs(sbi, true);
799 * Called at the last iput() if i_nlink is zero
801 void f2fs_evict_inode(struct inode *inode)
803 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
804 struct f2fs_inode_info *fi = F2FS_I(inode);
805 nid_t xnid = fi->i_xattr_nid;
808 f2fs_abort_atomic_write(inode, true);
811 clear_inode_flag(fi->cow_inode, FI_COW_FILE);
813 fi->cow_inode = NULL;
816 trace_f2fs_evict_inode(inode);
817 truncate_inode_pages_final(&inode->i_data);
819 if ((inode->i_nlink || is_bad_inode(inode)) &&
820 test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode))
821 f2fs_invalidate_compress_pages(sbi, inode->i_ino);
823 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
824 inode->i_ino == F2FS_META_INO(sbi) ||
825 inode->i_ino == F2FS_COMPRESS_INO(sbi))
828 f2fs_bug_on(sbi, get_dirty_pages(inode));
829 f2fs_remove_dirty_inode(inode);
831 f2fs_destroy_extent_tree(inode);
833 if (inode->i_nlink || is_bad_inode(inode))
836 err = f2fs_dquot_initialize(inode);
839 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
842 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
843 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
844 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
846 if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
847 sb_start_intwrite(inode->i_sb);
848 set_inode_flag(inode, FI_NO_ALLOC);
849 i_size_write(inode, 0);
851 if (F2FS_HAS_BLOCKS(inode))
852 err = f2fs_truncate(inode);
854 if (time_to_inject(sbi, FAULT_EVICT_INODE))
859 err = f2fs_remove_inode_page(inode);
861 if (err == -ENOENT) {
865 * in fuzzed image, another node may has the same
866 * block address as inode's, if it was truncated
867 * previously, truncation of inode node will fail.
869 if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
870 f2fs_warn(F2FS_I_SB(inode),
871 "f2fs_evict_inode: inconsistent node id, ino:%lu",
873 f2fs_inode_synced(inode);
874 set_sbi_flag(sbi, SBI_NEED_FSCK);
879 /* give more chances, if ENOMEM case */
880 if (err == -ENOMEM) {
886 f2fs_update_inode_page(inode);
887 if (dquot_initialize_needed(inode))
888 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
890 if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
891 sb_end_intwrite(inode->i_sb);
895 stat_dec_inline_xattr(inode);
896 stat_dec_inline_dir(inode);
897 stat_dec_inline_inode(inode);
898 stat_dec_compr_inode(inode);
899 stat_sub_compr_blocks(inode,
900 atomic_read(&fi->i_compr_blocks));
902 if (likely(!f2fs_cp_error(sbi) &&
903 !is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
904 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
906 f2fs_inode_synced(inode);
908 /* for the case f2fs_new_inode() was failed, .i_ino is zero, skip it */
910 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino,
913 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
914 if (inode->i_nlink) {
915 if (is_inode_flag_set(inode, FI_APPEND_WRITE))
916 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
917 if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
918 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
920 if (is_inode_flag_set(inode, FI_FREE_NID)) {
921 f2fs_alloc_nid_failed(sbi, inode->i_ino);
922 clear_inode_flag(inode, FI_FREE_NID);
925 * If xattr nid is corrupted, we can reach out error condition,
926 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
927 * In that case, f2fs_check_nid_range() is enough to give a clue.
931 fscrypt_put_encryption_info(inode);
932 fsverity_cleanup_inode(inode);
936 /* caller should call f2fs_lock_op() */
937 void f2fs_handle_failed_inode(struct inode *inode)
939 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
944 * clear nlink of inode in order to release resource of inode
950 * we must call this to avoid inode being remained as dirty, resulting
951 * in a panic when flushing dirty inodes in gdirty_list.
953 f2fs_update_inode_page(inode);
954 f2fs_inode_synced(inode);
956 /* don't make bad inode, since it becomes a regular file. */
957 unlock_new_inode(inode);
960 * Note: we should add inode to orphan list before f2fs_unlock_op()
961 * so we can prevent losing this orphan when encoutering checkpoint
962 * and following suddenly power-off.
964 err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false);
966 set_sbi_flag(sbi, SBI_NEED_FSCK);
967 set_inode_flag(inode, FI_FREE_NID);
968 f2fs_warn(sbi, "May loss orphan inode, run fsck to fix.");
972 if (ni.blk_addr != NULL_ADDR) {
973 err = f2fs_acquire_orphan_inode(sbi);
975 set_sbi_flag(sbi, SBI_NEED_FSCK);
976 f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix.");
978 f2fs_add_orphan_inode(inode);
980 f2fs_alloc_nid_done(sbi, inode->i_ino);
982 set_inode_flag(inode, FI_FREE_NID);
988 /* iput will drop the inode object */