microsoft
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WSL2-Linux-Kernel
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f2fs: support recording errors into superblock 

This patch supports to record detail reason of FSCORRUPTED error into
f2fs_super_block.s_errors[].

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2022-09-28 23:38:54 +08:00 коммит произвёл Jaegeuk Kim
Родитель a9cfee0ef9
Коммит 95fa90c9e5
16 изменённых файлов: 150 добавлений и 9 удалений
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2
fs/f2fs/compress.c
Просмотреть файл

@ -762,6 +762,7 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task)
if (dic->clen > PAGE_SIZE * dic->nr_cpages - COMPRESS_HEADER_SIZE) {
ret = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_FAIL_DECOMPRESSION);
goto out_release;
}
@ -950,6 +951,7 @@ static int __f2fs_cluster_blocks(struct inode *inode,
if (f2fs_sanity_check_cluster(&dn)) {
ret = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode), ERROR_CORRUPTED_CLUSTER);
goto fail;
}

24
fs/f2fs/data.c
Просмотреть файл

@ -705,8 +705,10 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
fio->is_por ? META_POR : (__is_meta_io(fio) ?
META_GENERIC : DATA_GENERIC_ENHANCE)))
META_GENERIC : DATA_GENERIC_ENHANCE))) {
f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
trace_f2fs_submit_page_bio(page, fio);
@ -906,8 +908,10 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
fio->encrypted_page : fio->page;
if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
__is_meta_io(fio) ? META_GENERIC : DATA_GENERIC))
__is_meta_io(fio) ? META_GENERIC : DATA_GENERIC)) {
f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
trace_f2fs_submit_page_bio(page, fio);
@ -1217,6 +1221,8 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), dn.data_blkaddr,
DATA_GENERIC_ENHANCE_READ)) {
err = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_INVALID_BLKADDR);
goto put_err;
}
goto got_it;
@ -1237,6 +1243,8 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
dn.data_blkaddr,
DATA_GENERIC_ENHANCE)) {
err = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_INVALID_BLKADDR);
goto put_err;
}
got_it:
@ -1550,6 +1558,7 @@ next_block:
if (__is_valid_data_blkaddr(blkaddr) &&
!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE)) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto sync_out;
}
@ -1595,6 +1604,8 @@ next_block:
(flag != F2FS_GET_BLOCK_FIEMAP ||
IS_ENABLED(CONFIG_F2FS_CHECK_FS))) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi,
ERROR_CORRUPTED_CLUSTER);
goto sync_out;
}
if (flag == F2FS_GET_BLOCK_BMAP) {
@ -2076,6 +2087,8 @@ got_it:
if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), block_nr,
DATA_GENERIC_ENHANCE_READ)) {
ret = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_INVALID_BLKADDR);
goto out;
}
} else {
@ -2619,8 +2632,11 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
fio->old_blkaddr = ei.blk + page->index - ei.fofs;
if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
DATA_GENERIC_ENHANCE))
DATA_GENERIC_ENHANCE)) {
f2fs_handle_error(fio->sbi,
ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
ipu_force = true;
fio->need_lock = LOCK_DONE;
@ -2648,6 +2664,7 @@ got_it:
!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
DATA_GENERIC_ENHANCE)) {
err = -EFSCORRUPTED;
f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
goto out_writepage;
}
@ -3561,6 +3578,7 @@ repeat:
if (!f2fs_is_valid_blkaddr(sbi, blkaddr,
DATA_GENERIC_ENHANCE_READ)) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto fail;
}
err = f2fs_submit_page_read(inode, page, blkaddr, 0, true);

1
fs/f2fs/dir.c
Просмотреть файл

@ -1041,6 +1041,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
__func__, le16_to_cpu(de->name_len));
set_sbi_flag(sbi, SBI_NEED_FSCK);
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_CORRUPTED_DIRENT);
goto out;
}

5
fs/f2fs/f2fs.h
Просмотреть файл

@ -1815,6 +1815,10 @@ struct f2fs_sb_info {
struct workqueue_struct *post_read_wq; /* post read workqueue */
unsigned char errors[MAX_F2FS_ERRORS]; /* error flags */
spinlock_t error_lock; /* protect errors array */
bool error_dirty; /* errors of sb is dirty */
struct kmem_cache *inline_xattr_slab; /* inline xattr entry */
unsigned int inline_xattr_slab_size; /* default inline xattr slab size */
@ -3557,6 +3561,7 @@ int f2fs_quota_sync(struct super_block *sb, int type);
loff_t max_file_blocks(struct inode *inode);
void f2fs_quota_off_umount(struct super_block *sb);
void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason);
void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error);
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
int f2fs_sync_fs(struct super_block *sb, int sync);
int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);

12
fs/f2fs/file.c
Просмотреть файл

@ -1156,6 +1156,7 @@ next_dnode:
!f2fs_is_valid_blkaddr(sbi, *blkaddr,
DATA_GENERIC_ENHANCE)) {
f2fs_put_dnode(&dn);
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
@ -1440,6 +1441,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
if (!f2fs_is_valid_blkaddr(sbi, dn->data_blkaddr,
DATA_GENERIC_ENHANCE)) {
ret = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
break;
}
@ -3323,8 +3325,10 @@ static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
if (!__is_valid_data_blkaddr(blkaddr))
continue;
if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr,
DATA_GENERIC_ENHANCE)))
DATA_GENERIC_ENHANCE))) {
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
}
while (count) {
@ -3485,8 +3489,10 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
if (!__is_valid_data_blkaddr(blkaddr))
continue;
if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr,
DATA_GENERIC_ENHANCE)))
DATA_GENERIC_ENHANCE))) {
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
}
while (count) {
@ -3758,6 +3764,8 @@ static int f2fs_sec_trim_file(struct file *filp, unsigned long arg)
DATA_GENERIC_ENHANCE)) {
ret = -EFSCORRUPTED;
f2fs_put_dnode(&dn);
f2fs_handle_error(sbi,
ERROR_INVALID_BLKADDR);
goto out;
}

2
fs/f2fs/gc.c
Просмотреть файл

@ -1164,6 +1164,7 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
DATA_GENERIC_ENHANCE_READ))) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto put_page;
}
goto got_it;
@ -1182,6 +1183,7 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
DATA_GENERIC_ENHANCE))) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto put_page;
}
got_it:

2
fs/f2fs/inline.c
Просмотреть файл

@ -160,6 +160,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
set_sbi_flag(fio.sbi, SBI_NEED_FSCK);
f2fs_warn(fio.sbi, "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
__func__, dn->inode->i_ino, dn->data_blkaddr);
f2fs_handle_error(fio.sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
@ -412,6 +413,7 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
set_sbi_flag(F2FS_P_SB(page), SBI_NEED_FSCK);
f2fs_warn(F2FS_P_SB(page), "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
__func__, dir->i_ino, dn.data_blkaddr);
f2fs_handle_error(F2FS_P_SB(page), ERROR_INVALID_BLKADDR);
err = -EFSCORRUPTED;
goto out;
}

6
fs/f2fs/inode.c
Просмотреть файл

@ -81,8 +81,10 @@ static int __written_first_block(struct f2fs_sb_info *sbi,
if (!__is_valid_data_blkaddr(addr))
return 1;
if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE))
if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE)) {
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
return -EFSCORRUPTED;
}
return 0;
}
@ -415,6 +417,7 @@ static int do_read_inode(struct inode *inode)
if (!sanity_check_inode(inode, node_page)) {
f2fs_put_page(node_page, 1);
f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
return -EFSCORRUPTED;
}
@ -510,6 +513,7 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
ret = -EFSCORRUPTED;
trace_f2fs_iget_exit(inode, ret);
iput(inode);
f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
return ERR_PTR(ret);
}

2
fs/f2fs/node.c
Просмотреть файл

@ -36,6 +36,7 @@ int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_warn(sbi, "%s: out-of-range nid=%x, run fsck to fix.",
__func__, nid);
f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
return -EFSCORRUPTED;
}
return 0;
@ -1295,6 +1296,7 @@ struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
if (unlikely(new_ni.blk_addr != NULL_ADDR)) {
err = -EFSCORRUPTED;
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto fail;
}
#endif

6
fs/f2fs/recovery.c
Просмотреть файл

@ -507,6 +507,7 @@ got_it:
if (ofs_in_node >= max_addrs) {
f2fs_err(sbi, "Inconsistent ofs_in_node:%u in summary, ino:%lu, nid:%u, max:%u",
ofs_in_node, dn->inode->i_ino, nid, max_addrs);
f2fs_handle_error(sbi, ERROR_INCONSISTENT_SUMMARY);
return -EFSCORRUPTED;
}
@ -637,6 +638,7 @@ retry_dn:
inode->i_ino, ofs_of_node(dn.node_page),
ofs_of_node(page));
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INCONSISTENT_FOOTER);
goto err;
}
@ -649,12 +651,14 @@ retry_dn:
if (__is_valid_data_blkaddr(src) &&
!f2fs_is_valid_blkaddr(sbi, src, META_POR)) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto err;
}
if (__is_valid_data_blkaddr(dest) &&
!f2fs_is_valid_blkaddr(sbi, dest, META_POR)) {
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
goto err;
}
@ -712,6 +716,8 @@ retry_prev:
f2fs_err(sbi, "Inconsistent dest blkaddr:%u, ino:%lu, ofs:%u",
dest, inode->i_ino, dn.ofs_in_node);
err = -EFSCORRUPTED;
f2fs_handle_error(sbi,
ERROR_INVALID_BLKADDR);
goto err;
}

11
fs/f2fs/segment.c
Просмотреть файл

@ -312,6 +312,8 @@ static int __f2fs_commit_atomic_write(struct inode *inode)
DATA_GENERIC_ENHANCE)) {
f2fs_put_dnode(&dn);
ret = -EFSCORRUPTED;
f2fs_handle_error(sbi,
ERROR_INVALID_BLKADDR);
goto out;
}
@ -3433,6 +3435,7 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
f2fs_warn(sbi, "%s: incorrect segment(%u) type, run fsck to fix.",
__func__, segno);
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INCONSISTENT_SUM_TYPE);
goto drop_bio;
}
@ -4381,6 +4384,8 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
if (se->type >= NR_PERSISTENT_LOG) {
f2fs_err(sbi, "Invalid segment type: %u, segno: %u",
se->type, start);
f2fs_handle_error(sbi,
ERROR_INCONSISTENT_SUM_TYPE);
return -EFSCORRUPTED;
}
@ -4417,6 +4422,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
f2fs_err(sbi, "Wrong journal entry on segno %u",
start);
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_CORRUPTED_JOURNAL);
break;
}
@ -4436,6 +4442,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
f2fs_err(sbi, "Invalid segment type: %u, segno: %u",
se->type, start);
err = -EFSCORRUPTED;
f2fs_handle_error(sbi, ERROR_INCONSISTENT_SUM_TYPE);
break;
}
@ -4467,6 +4474,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
if (sit_valid_blocks[NODE] != valid_node_count(sbi)) {
f2fs_err(sbi, "SIT is corrupted node# %u vs %u",
sit_valid_blocks[NODE], valid_node_count(sbi));
f2fs_handle_error(sbi, ERROR_INCONSISTENT_NODE_COUNT);
return -EFSCORRUPTED;
}
@ -4475,6 +4483,7 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
f2fs_err(sbi, "SIT is corrupted data# %u %u vs %u",
sit_valid_blocks[DATA], sit_valid_blocks[NODE],
valid_user_blocks(sbi));
f2fs_handle_error(sbi, ERROR_INCONSISTENT_BLOCK_COUNT);
return -EFSCORRUPTED;
}
@ -4625,6 +4634,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
f2fs_err(sbi,
"Current segment has invalid alloc_type:%d",
curseg->alloc_type);
f2fs_handle_error(sbi, ERROR_INVALID_CURSEG);
return -EFSCORRUPTED;
}
@ -4642,6 +4652,7 @@ out:
"Current segment's next free block offset is inconsistent with bitmap, logtype:%u, segno:%u, type:%u, next_blkoff:%u, blkofs:%u",
i, curseg->segno, curseg->alloc_type,
curseg->next_blkoff, blkofs);
f2fs_handle_error(sbi, ERROR_INVALID_CURSEG);
return -EFSCORRUPTED;
}
}

2
fs/f2fs/segment.h
Просмотреть файл

@ -753,6 +753,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
GET_SIT_VBLOCKS(raw_sit), valid_blocks);
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_handle_error(sbi, ERROR_INCONSISTENT_SIT);
return -EFSCORRUPTED;
}
@ -767,6 +768,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
GET_SIT_VBLOCKS(raw_sit), segno);
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_handle_error(sbi, ERROR_INCONSISTENT_SIT);
return -EFSCORRUPTED;
}
return 0;

49
fs/f2fs/super.c
Просмотреть файл

@ -3851,8 +3851,6 @@ void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason)
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
int err;
f2fs_bug_on(sbi, reason >= MAX_STOP_REASON);
f2fs_down_write(&sbi->sb_lock);
if (raw_super->s_stop_reason[reason] < ((1 << BITS_PER_BYTE) - 1))
@ -3862,7 +3860,51 @@ void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason)
if (err)
f2fs_err(sbi, "f2fs_commit_super fails to record reason:%u err:%d",
reason, err);
f2fs_up_write(&sbi->sb_lock);
}
static void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag)
{
spin_lock(&sbi->error_lock);
if (!test_bit(flag, (unsigned long *)sbi->errors)) {
set_bit(flag, (unsigned long *)sbi->errors);
sbi->error_dirty = true;
}
spin_unlock(&sbi->error_lock);
}
static bool f2fs_update_errors(struct f2fs_sb_info *sbi)
{
bool need_update = false;
spin_lock(&sbi->error_lock);
if (sbi->error_dirty) {
memcpy(F2FS_RAW_SUPER(sbi)->s_errors, sbi->errors,
MAX_F2FS_ERRORS);
sbi->error_dirty = false;
need_update = true;
}
spin_unlock(&sbi->error_lock);
return need_update;
}
void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error)
{
int err;
f2fs_save_errors(sbi, error);
f2fs_down_write(&sbi->sb_lock);
if (!f2fs_update_errors(sbi))
goto out_unlock;
err = f2fs_commit_super(sbi, false);
if (err)
f2fs_err(sbi, "f2fs_commit_super fails to record errors:%u, err:%d",
error, err);
out_unlock:
f2fs_up_write(&sbi->sb_lock);
}
@ -4213,6 +4255,9 @@ try_onemore:
goto free_devices;
}
spin_lock_init(&sbi->error_lock);
memcpy(sbi->errors, raw_super->s_errors, MAX_F2FS_ERRORS);
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
percpu_counter_set(&sbi->total_valid_inode_count,

2
fs/f2fs/verity.c
Просмотреть файл

@ -240,6 +240,8 @@ static int f2fs_get_verity_descriptor(struct inode *inode, void *buf,
if (pos + size < pos || pos + size > inode->i_sb->s_maxbytes ||
pos < f2fs_verity_metadata_pos(inode) || size > INT_MAX) {
f2fs_warn(F2FS_I_SB(inode), "invalid verity xattr");
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_VERITY_XATTR);
return -EFSCORRUPTED;
}
if (buf_size) {

8
fs/f2fs/xattr.c
Просмотреть файл

@ -367,6 +367,8 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage,
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
err = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto out;
}
check:
@ -583,6 +585,8 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
error = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto cleanup;
}
@ -658,6 +662,8 @@ static int __f2fs_setxattr(struct inode *inode, int index,
inode->i_ino);
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
error = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto exit;
}
@ -684,6 +690,8 @@ static int __f2fs_setxattr(struct inode *inode, int index,
inode->i_ino, ENTRY_SIZE(last));
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
error = -EFSCORRUPTED;
f2fs_handle_error(F2FS_I_SB(inode),
ERROR_CORRUPTED_XATTR);
goto exit;
}
last = XATTR_NEXT_ENTRY(last);

25
include/linux/f2fs_fs.h
Просмотреть файл

@ -87,6 +87,28 @@ enum stop_cp_reason {
#define MAX_STOP_REASON 32
/* detail reason for EFSCORRUPTED */
enum f2fs_error {
ERROR_CORRUPTED_CLUSTER,
ERROR_FAIL_DECOMPRESSION,
ERROR_INVALID_BLKADDR,
ERROR_CORRUPTED_DIRENT,
ERROR_CORRUPTED_INODE,
ERROR_INCONSISTENT_SUMMARY,
ERROR_INCONSISTENT_FOOTER,
ERROR_INCONSISTENT_SUM_TYPE,
ERROR_CORRUPTED_JOURNAL,
ERROR_INCONSISTENT_NODE_COUNT,
ERROR_INCONSISTENT_BLOCK_COUNT,
ERROR_INVALID_CURSEG,
ERROR_INCONSISTENT_SIT,
ERROR_CORRUPTED_VERITY_XATTR,
ERROR_CORRUPTED_XATTR,
ERROR_MAX,
};
#define MAX_F2FS_ERRORS 16
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@ -131,7 +153,8 @@ struct f2fs_super_block {
__le16 s_encoding; /* Filename charset encoding */
__le16 s_encoding_flags; /* Filename charset encoding flags */
__u8 s_stop_reason[MAX_STOP_REASON]; /* stop checkpoint reason */
__u8 reserved[274]; /* valid reserved region */
__u8 s_errors[MAX_F2FS_ERRORS]; /* reason of image corrupts */
__u8 reserved[258]; /* valid reserved region */
__le32 crc; /* checksum of superblock */
} __packed;