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>
19 #include <trace/events/f2fs.h>
21 #ifdef CONFIG_F2FS_FS_COMPRESSION
22 extern const struct address_space_operations f2fs_compress_aops;
25 void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
27 if (is_inode_flag_set(inode, FI_NEW_INODE))
30 if (f2fs_inode_dirtied(inode, sync))
33 mark_inode_dirty_sync(inode);
36 void f2fs_set_inode_flags(struct inode *inode)
38 unsigned int flags = F2FS_I(inode)->i_flags;
39 unsigned int new_fl = 0;
41 if (flags & F2FS_SYNC_FL)
43 if (flags & F2FS_APPEND_FL)
45 if (flags & F2FS_IMMUTABLE_FL)
46 new_fl |= S_IMMUTABLE;
47 if (flags & F2FS_NOATIME_FL)
49 if (flags & F2FS_DIRSYNC_FL)
51 if (file_is_encrypt(inode))
52 new_fl |= S_ENCRYPTED;
53 if (file_is_verity(inode))
55 if (flags & F2FS_CASEFOLD_FL)
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);
62 static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
64 int extra_size = get_extra_isize(inode);
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]));
72 inode->i_rdev = new_decode_dev(
73 le32_to_cpu(ri->i_addr[extra_size + 1]));
77 static int __written_first_block(struct f2fs_sb_info *sbi,
78 struct f2fs_inode *ri)
80 block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
82 if (!__is_valid_data_blkaddr(addr))
84 if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE)) {
85 f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
91 static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
93 int extra_size = get_extra_isize(inode);
95 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
96 if (old_valid_dev(inode->i_rdev)) {
97 ri->i_addr[extra_size] =
98 cpu_to_le32(old_encode_dev(inode->i_rdev));
99 ri->i_addr[extra_size + 1] = 0;
101 ri->i_addr[extra_size] = 0;
102 ri->i_addr[extra_size + 1] =
103 cpu_to_le32(new_encode_dev(inode->i_rdev));
104 ri->i_addr[extra_size + 2] = 0;
109 static void __recover_inline_status(struct inode *inode, struct page *ipage)
111 void *inline_data = inline_data_addr(inode, ipage);
112 __le32 *start = inline_data;
113 __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32);
115 while (start < end) {
117 f2fs_wait_on_page_writeback(ipage, NODE, true, true);
119 set_inode_flag(inode, FI_DATA_EXIST);
120 set_raw_inline(inode, F2FS_INODE(ipage));
121 set_page_dirty(ipage);
128 static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
130 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
132 if (!f2fs_sb_has_inode_chksum(sbi))
135 if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR))
138 if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize),
145 static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
147 struct f2fs_node *node = F2FS_NODE(page);
148 struct f2fs_inode *ri = &node->i;
149 __le32 ino = node->footer.ino;
150 __le32 gen = ri->i_generation;
151 __u32 chksum, chksum_seed;
153 unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum);
154 unsigned int cs_size = sizeof(dummy_cs);
156 chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino,
158 chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen));
160 chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset);
161 chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size);
163 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset,
164 F2FS_BLKSIZE - offset);
168 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
170 struct f2fs_inode *ri;
171 __u32 provided, calculated;
173 if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
176 #ifdef CONFIG_F2FS_CHECK_FS
177 if (!f2fs_enable_inode_chksum(sbi, page))
179 if (!f2fs_enable_inode_chksum(sbi, page) ||
180 PageDirty(page) || PageWriteback(page))
184 ri = &F2FS_NODE(page)->i;
185 provided = le32_to_cpu(ri->i_inode_checksum);
186 calculated = f2fs_inode_chksum(sbi, page);
188 if (provided != calculated)
189 f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
190 page->index, ino_of_node(page), provided, calculated);
192 return provided == calculated;
195 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
197 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
199 if (!f2fs_enable_inode_chksum(sbi, page))
202 ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
205 static bool sanity_check_inode(struct inode *inode, struct page *node_page)
207 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
208 struct f2fs_inode_info *fi = F2FS_I(inode);
209 struct f2fs_inode *ri = F2FS_INODE(node_page);
210 unsigned long long iblocks;
212 iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
214 set_sbi_flag(sbi, SBI_NEED_FSCK);
215 f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.",
216 __func__, inode->i_ino, iblocks);
220 if (ino_of_node(node_page) != nid_of_node(node_page)) {
221 set_sbi_flag(sbi, SBI_NEED_FSCK);
222 f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.",
223 __func__, inode->i_ino,
224 ino_of_node(node_page), nid_of_node(node_page));
228 if (f2fs_sb_has_flexible_inline_xattr(sbi)
229 && !f2fs_has_extra_attr(inode)) {
230 set_sbi_flag(sbi, SBI_NEED_FSCK);
231 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.",
232 __func__, inode->i_ino);
236 if (f2fs_has_extra_attr(inode) &&
237 !f2fs_sb_has_extra_attr(sbi)) {
238 set_sbi_flag(sbi, SBI_NEED_FSCK);
239 f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off",
240 __func__, inode->i_ino);
244 if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
245 fi->i_extra_isize % sizeof(__le32)) {
246 set_sbi_flag(sbi, SBI_NEED_FSCK);
247 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu",
248 __func__, inode->i_ino, fi->i_extra_isize,
249 F2FS_TOTAL_EXTRA_ATTR_SIZE);
253 if (f2fs_has_extra_attr(inode) &&
254 f2fs_sb_has_flexible_inline_xattr(sbi) &&
255 f2fs_has_inline_xattr(inode) &&
256 (!fi->i_inline_xattr_size ||
257 fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) {
258 set_sbi_flag(sbi, SBI_NEED_FSCK);
259 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu",
260 __func__, inode->i_ino, fi->i_inline_xattr_size,
261 MAX_INLINE_XATTR_SIZE);
265 if (f2fs_sanity_check_inline_data(inode)) {
266 set_sbi_flag(sbi, SBI_NEED_FSCK);
267 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix",
268 __func__, inode->i_ino, inode->i_mode);
272 if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
273 set_sbi_flag(sbi, SBI_NEED_FSCK);
274 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix",
275 __func__, inode->i_ino, inode->i_mode);
279 if ((fi->i_flags & F2FS_CASEFOLD_FL) && !f2fs_sb_has_casefold(sbi)) {
280 set_sbi_flag(sbi, SBI_NEED_FSCK);
281 f2fs_warn(sbi, "%s: inode (ino=%lx) has casefold flag, but casefold feature is off",
282 __func__, inode->i_ino);
286 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) &&
287 fi->i_flags & F2FS_COMPR_FL &&
288 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
289 i_log_cluster_size)) {
290 if (ri->i_compress_algorithm >= COMPRESS_MAX) {
291 set_sbi_flag(sbi, SBI_NEED_FSCK);
292 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "
293 "compress algorithm: %u, run fsck to fix",
294 __func__, inode->i_ino,
295 ri->i_compress_algorithm);
298 if (le64_to_cpu(ri->i_compr_blocks) >
299 SECTOR_TO_BLOCK(inode->i_blocks)) {
300 set_sbi_flag(sbi, SBI_NEED_FSCK);
301 f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent "
302 "i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix",
303 __func__, inode->i_ino,
304 le64_to_cpu(ri->i_compr_blocks),
305 SECTOR_TO_BLOCK(inode->i_blocks));
308 if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE ||
309 ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) {
310 set_sbi_flag(sbi, SBI_NEED_FSCK);
311 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "
312 "log cluster size: %u, run fsck to fix",
313 __func__, inode->i_ino,
314 ri->i_log_cluster_size);
322 static void init_idisk_time(struct inode *inode)
324 struct f2fs_inode_info *fi = F2FS_I(inode);
326 fi->i_disk_time[0] = inode->i_atime;
327 fi->i_disk_time[1] = inode->i_ctime;
328 fi->i_disk_time[2] = inode->i_mtime;
329 fi->i_disk_time[3] = fi->i_crtime;
332 static int do_read_inode(struct inode *inode)
334 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
335 struct f2fs_inode_info *fi = F2FS_I(inode);
336 struct page *node_page;
337 struct f2fs_inode *ri;
341 /* Check if ino is within scope */
342 if (f2fs_check_nid_range(sbi, inode->i_ino))
345 node_page = f2fs_get_node_page(sbi, inode->i_ino);
346 if (IS_ERR(node_page))
347 return PTR_ERR(node_page);
349 ri = F2FS_INODE(node_page);
351 inode->i_mode = le16_to_cpu(ri->i_mode);
352 i_uid_write(inode, le32_to_cpu(ri->i_uid));
353 i_gid_write(inode, le32_to_cpu(ri->i_gid));
354 set_nlink(inode, le32_to_cpu(ri->i_links));
355 inode->i_size = le64_to_cpu(ri->i_size);
356 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1);
358 inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime);
359 inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime);
360 inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime);
361 inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec);
362 inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
363 inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
364 inode->i_generation = le32_to_cpu(ri->i_generation);
365 if (S_ISDIR(inode->i_mode))
366 fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
367 else if (S_ISREG(inode->i_mode))
368 fi->i_gc_failures[GC_FAILURE_PIN] =
369 le16_to_cpu(ri->i_gc_failures);
370 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
371 fi->i_flags = le32_to_cpu(ri->i_flags);
372 if (S_ISREG(inode->i_mode))
373 fi->i_flags &= ~F2FS_PROJINHERIT_FL;
374 bitmap_zero(fi->flags, FI_MAX);
375 fi->i_advise = ri->i_advise;
376 fi->i_pino = le32_to_cpu(ri->i_pino);
377 fi->i_dir_level = ri->i_dir_level;
379 get_inline_info(inode, ri);
381 fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
382 le16_to_cpu(ri->i_extra_isize) : 0;
384 if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
385 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
386 } else if (f2fs_has_inline_xattr(inode) ||
387 f2fs_has_inline_dentry(inode)) {
388 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
392 * Previous inline data or directory always reserved 200 bytes
393 * in inode layout, even if inline_xattr is disabled. In order
394 * to keep inline_dentry's structure for backward compatibility,
395 * we get the space back only from inline_data.
397 fi->i_inline_xattr_size = 0;
400 /* check data exist */
401 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
402 __recover_inline_status(inode, node_page);
404 /* try to recover cold bit for non-dir inode */
405 if (!S_ISDIR(inode->i_mode) && !is_cold_node(node_page)) {
406 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
407 set_cold_node(node_page, false);
408 set_page_dirty(node_page);
411 /* get rdev by using inline_info */
412 __get_inode_rdev(inode, ri);
414 if (S_ISREG(inode->i_mode)) {
415 err = __written_first_block(sbi, ri);
417 f2fs_put_page(node_page, 1);
421 set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
424 if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
425 fi->last_disk_size = inode->i_size;
427 if (fi->i_flags & F2FS_PROJINHERIT_FL)
428 set_inode_flag(inode, FI_PROJ_INHERIT);
430 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) &&
431 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
432 i_projid = (projid_t)le32_to_cpu(ri->i_projid);
434 i_projid = F2FS_DEF_PROJID;
435 fi->i_projid = make_kprojid(&init_user_ns, i_projid);
437 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) &&
438 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
439 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
440 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
443 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) &&
444 (fi->i_flags & F2FS_COMPR_FL)) {
445 if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,
446 i_log_cluster_size)) {
447 unsigned short compress_flag;
449 atomic_set(&fi->i_compr_blocks,
450 le64_to_cpu(ri->i_compr_blocks));
451 fi->i_compress_algorithm = ri->i_compress_algorithm;
452 fi->i_log_cluster_size = ri->i_log_cluster_size;
453 compress_flag = le16_to_cpu(ri->i_compress_flag);
454 fi->i_compress_level = compress_flag >>
455 COMPRESS_LEVEL_OFFSET;
456 fi->i_compress_flag = compress_flag &
457 (BIT(COMPRESS_LEVEL_OFFSET) - 1);
458 fi->i_cluster_size = 1 << fi->i_log_cluster_size;
459 set_inode_flag(inode, FI_COMPRESSED_FILE);
463 init_idisk_time(inode);
465 /* Need all the flag bits */
466 f2fs_init_read_extent_tree(inode, node_page);
467 f2fs_init_age_extent_tree(inode);
469 if (!sanity_check_inode(inode, node_page)) {
470 f2fs_put_page(node_page, 1);
471 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
472 return -EFSCORRUPTED;
475 if (!sanity_check_extent_cache(inode)) {
476 f2fs_put_page(node_page, 1);
477 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
478 return -EFSCORRUPTED;
481 f2fs_put_page(node_page, 1);
483 stat_inc_inline_xattr(inode);
484 stat_inc_inline_inode(inode);
485 stat_inc_inline_dir(inode);
486 stat_inc_compr_inode(inode);
487 stat_add_compr_blocks(inode, atomic_read(&fi->i_compr_blocks));
492 static bool is_meta_ino(struct f2fs_sb_info *sbi, unsigned int ino)
494 return ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi) ||
495 ino == F2FS_COMPRESS_INO(sbi);
498 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
500 struct f2fs_sb_info *sbi = F2FS_SB(sb);
504 inode = iget_locked(sb, ino);
506 return ERR_PTR(-ENOMEM);
508 if (!(inode->i_state & I_NEW)) {
509 if (is_meta_ino(sbi, ino)) {
510 f2fs_err(sbi, "inaccessible inode: %lu, run fsck to repair", ino);
511 set_sbi_flag(sbi, SBI_NEED_FSCK);
513 trace_f2fs_iget_exit(inode, ret);
515 f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
519 trace_f2fs_iget(inode);
523 if (is_meta_ino(sbi, ino))
526 ret = do_read_inode(inode);
530 if (ino == F2FS_NODE_INO(sbi)) {
531 inode->i_mapping->a_ops = &f2fs_node_aops;
532 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
533 } else if (ino == F2FS_META_INO(sbi)) {
534 inode->i_mapping->a_ops = &f2fs_meta_aops;
535 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
536 } else if (ino == F2FS_COMPRESS_INO(sbi)) {
537 #ifdef CONFIG_F2FS_FS_COMPRESSION
538 inode->i_mapping->a_ops = &f2fs_compress_aops;
540 * generic_error_remove_page only truncates pages of regular
543 inode->i_mode |= S_IFREG;
545 mapping_set_gfp_mask(inode->i_mapping,
546 GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE);
547 } else if (S_ISREG(inode->i_mode)) {
548 inode->i_op = &f2fs_file_inode_operations;
549 inode->i_fop = &f2fs_file_operations;
550 inode->i_mapping->a_ops = &f2fs_dblock_aops;
551 } else if (S_ISDIR(inode->i_mode)) {
552 inode->i_op = &f2fs_dir_inode_operations;
553 inode->i_fop = &f2fs_dir_operations;
554 inode->i_mapping->a_ops = &f2fs_dblock_aops;
555 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
556 } else if (S_ISLNK(inode->i_mode)) {
557 if (file_is_encrypt(inode))
558 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
560 inode->i_op = &f2fs_symlink_inode_operations;
561 inode_nohighmem(inode);
562 inode->i_mapping->a_ops = &f2fs_dblock_aops;
563 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
564 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
565 inode->i_op = &f2fs_special_inode_operations;
566 init_special_inode(inode, inode->i_mode, inode->i_rdev);
571 f2fs_set_inode_flags(inode);
573 if (file_should_truncate(inode) &&
574 !is_sbi_flag_set(sbi, SBI_POR_DOING)) {
575 ret = f2fs_truncate(inode);
578 file_dont_truncate(inode);
581 unlock_new_inode(inode);
582 trace_f2fs_iget(inode);
586 f2fs_inode_synced(inode);
588 trace_f2fs_iget_exit(inode, ret);
592 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino)
596 inode = f2fs_iget(sb, ino);
598 if (PTR_ERR(inode) == -ENOMEM) {
599 memalloc_retry_wait(GFP_NOFS);
606 void f2fs_update_inode(struct inode *inode, struct page *node_page)
608 struct f2fs_inode *ri;
609 struct extent_tree *et = F2FS_I(inode)->extent_tree[EX_READ];
611 f2fs_wait_on_page_writeback(node_page, NODE, true, true);
612 set_page_dirty(node_page);
614 f2fs_inode_synced(inode);
616 ri = F2FS_INODE(node_page);
618 ri->i_mode = cpu_to_le16(inode->i_mode);
619 ri->i_advise = F2FS_I(inode)->i_advise;
620 ri->i_uid = cpu_to_le32(i_uid_read(inode));
621 ri->i_gid = cpu_to_le32(i_gid_read(inode));
622 ri->i_links = cpu_to_le32(inode->i_nlink);
623 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
625 if (!f2fs_is_atomic_file(inode) ||
626 is_inode_flag_set(inode, FI_ATOMIC_COMMITTED))
627 ri->i_size = cpu_to_le64(i_size_read(inode));
630 read_lock(&et->lock);
631 set_raw_read_extent(&et->largest, &ri->i_ext);
632 read_unlock(&et->lock);
634 memset(&ri->i_ext, 0, sizeof(ri->i_ext));
636 set_raw_inline(inode, ri);
638 ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
639 ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
640 ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
641 ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
642 ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
643 ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
644 if (S_ISDIR(inode->i_mode))
645 ri->i_current_depth =
646 cpu_to_le32(F2FS_I(inode)->i_current_depth);
647 else if (S_ISREG(inode->i_mode))
649 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
650 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
651 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
652 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
653 ri->i_generation = cpu_to_le32(inode->i_generation);
654 ri->i_dir_level = F2FS_I(inode)->i_dir_level;
656 if (f2fs_has_extra_attr(inode)) {
657 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
659 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)))
660 ri->i_inline_xattr_size =
661 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
663 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) &&
664 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
668 i_projid = from_kprojid(&init_user_ns,
669 F2FS_I(inode)->i_projid);
670 ri->i_projid = cpu_to_le32(i_projid);
673 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) &&
674 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
677 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
679 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
682 if (f2fs_sb_has_compression(F2FS_I_SB(inode)) &&
683 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
684 i_log_cluster_size)) {
685 unsigned short compress_flag;
688 cpu_to_le64(atomic_read(
689 &F2FS_I(inode)->i_compr_blocks));
690 ri->i_compress_algorithm =
691 F2FS_I(inode)->i_compress_algorithm;
692 compress_flag = F2FS_I(inode)->i_compress_flag |
693 F2FS_I(inode)->i_compress_level <<
694 COMPRESS_LEVEL_OFFSET;
695 ri->i_compress_flag = cpu_to_le16(compress_flag);
696 ri->i_log_cluster_size =
697 F2FS_I(inode)->i_log_cluster_size;
701 __set_inode_rdev(inode, ri);
704 if (inode->i_nlink == 0)
705 clear_page_private_inline(node_page);
707 init_idisk_time(inode);
708 #ifdef CONFIG_F2FS_CHECK_FS
709 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
713 void f2fs_update_inode_page(struct inode *inode)
715 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
716 struct page *node_page;
719 node_page = f2fs_get_node_page(sbi, inode->i_ino);
720 if (IS_ERR(node_page)) {
721 int err = PTR_ERR(node_page);
723 /* The node block was truncated. */
727 if (err == -ENOMEM || ++count <= DEFAULT_RETRY_IO_COUNT)
729 f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_UPDATE_INODE);
732 f2fs_update_inode(inode, node_page);
733 f2fs_put_page(node_page, 1);
736 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
738 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
740 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
741 inode->i_ino == F2FS_META_INO(sbi))
745 * atime could be updated without dirtying f2fs inode in lazytime mode
747 if (f2fs_is_time_consistent(inode) &&
748 !is_inode_flag_set(inode, FI_DIRTY_INODE))
751 if (!f2fs_is_checkpoint_ready(sbi))
755 * We need to balance fs here to prevent from producing dirty node pages
756 * during the urgent cleaning time when running out of free sections.
758 f2fs_update_inode_page(inode);
759 if (wbc && wbc->nr_to_write)
760 f2fs_balance_fs(sbi, true);
765 * Called at the last iput() if i_nlink is zero
767 void f2fs_evict_inode(struct inode *inode)
769 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
770 struct f2fs_inode_info *fi = F2FS_I(inode);
771 nid_t xnid = fi->i_xattr_nid;
774 f2fs_abort_atomic_write(inode, true);
777 clear_inode_flag(fi->cow_inode, FI_COW_FILE);
779 fi->cow_inode = NULL;
782 trace_f2fs_evict_inode(inode);
783 truncate_inode_pages_final(&inode->i_data);
785 if ((inode->i_nlink || is_bad_inode(inode)) &&
786 test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode))
787 f2fs_invalidate_compress_pages(sbi, inode->i_ino);
789 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
790 inode->i_ino == F2FS_META_INO(sbi) ||
791 inode->i_ino == F2FS_COMPRESS_INO(sbi))
794 f2fs_bug_on(sbi, get_dirty_pages(inode));
795 f2fs_remove_dirty_inode(inode);
797 f2fs_destroy_extent_tree(inode);
799 if (inode->i_nlink || is_bad_inode(inode))
802 err = f2fs_dquot_initialize(inode);
805 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
808 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
809 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
810 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
812 if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
813 sb_start_intwrite(inode->i_sb);
814 set_inode_flag(inode, FI_NO_ALLOC);
815 i_size_write(inode, 0);
817 if (F2FS_HAS_BLOCKS(inode))
818 err = f2fs_truncate(inode);
820 if (time_to_inject(sbi, FAULT_EVICT_INODE))
825 err = f2fs_remove_inode_page(inode);
827 if (err == -ENOENT) {
831 * in fuzzed image, another node may has the same
832 * block address as inode's, if it was truncated
833 * previously, truncation of inode node will fail.
835 if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
836 f2fs_warn(F2FS_I_SB(inode),
837 "f2fs_evict_inode: inconsistent node id, ino:%lu",
839 f2fs_inode_synced(inode);
840 set_sbi_flag(sbi, SBI_NEED_FSCK);
845 /* give more chances, if ENOMEM case */
846 if (err == -ENOMEM) {
852 f2fs_update_inode_page(inode);
853 if (dquot_initialize_needed(inode))
854 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
856 if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
857 sb_end_intwrite(inode->i_sb);
861 stat_dec_inline_xattr(inode);
862 stat_dec_inline_dir(inode);
863 stat_dec_inline_inode(inode);
864 stat_dec_compr_inode(inode);
865 stat_sub_compr_blocks(inode,
866 atomic_read(&fi->i_compr_blocks));
868 if (likely(!f2fs_cp_error(sbi) &&
869 !is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
870 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
872 f2fs_inode_synced(inode);
874 /* for the case f2fs_new_inode() was failed, .i_ino is zero, skip it */
876 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino,
879 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
880 if (inode->i_nlink) {
881 if (is_inode_flag_set(inode, FI_APPEND_WRITE))
882 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
883 if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
884 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
886 if (is_inode_flag_set(inode, FI_FREE_NID)) {
887 f2fs_alloc_nid_failed(sbi, inode->i_ino);
888 clear_inode_flag(inode, FI_FREE_NID);
891 * If xattr nid is corrupted, we can reach out error condition,
892 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
893 * In that case, f2fs_check_nid_range() is enough to give a clue.
897 fscrypt_put_encryption_info(inode);
898 fsverity_cleanup_inode(inode);
902 /* caller should call f2fs_lock_op() */
903 void f2fs_handle_failed_inode(struct inode *inode)
905 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
910 * clear nlink of inode in order to release resource of inode
916 * we must call this to avoid inode being remained as dirty, resulting
917 * in a panic when flushing dirty inodes in gdirty_list.
919 f2fs_update_inode_page(inode);
920 f2fs_inode_synced(inode);
922 /* don't make bad inode, since it becomes a regular file. */
923 unlock_new_inode(inode);
926 * Note: we should add inode to orphan list before f2fs_unlock_op()
927 * so we can prevent losing this orphan when encoutering checkpoint
928 * and following suddenly power-off.
930 err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false);
932 set_sbi_flag(sbi, SBI_NEED_FSCK);
933 set_inode_flag(inode, FI_FREE_NID);
934 f2fs_warn(sbi, "May loss orphan inode, run fsck to fix.");
938 if (ni.blk_addr != NULL_ADDR) {
939 err = f2fs_acquire_orphan_inode(sbi);
941 set_sbi_flag(sbi, SBI_NEED_FSCK);
942 f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix.");
944 f2fs_add_orphan_inode(inode);
946 f2fs_alloc_nid_done(sbi, inode->i_ino);
948 set_inode_flag(inode, FI_FREE_NID);
954 /* iput will drop the inode object */