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fsck.f2fs: fix to do sanity check with extra_attr feature

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This patch tries to fix incorrect extra_attr bit or i_extra_isize value
in fsck.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2018-07-10 20:29:08 +08:00 committed by Jaegeuk Kim
parent eb9d8037ed
commit ee0cb1c45e
1 changed files with 17 additions and 1 deletions
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18
fsck/fsck.c
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@ -658,7 +658,7 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
u32 i_links = le32_to_cpu(node_blk->i.i_links);
u64 i_size = le64_to_cpu(node_blk->i.i_size);
u64 i_blocks = le64_to_cpu(node_blk->i.i_blocks);
int ofs = get_extra_isize(node_blk);
int ofs;
unsigned char *en;
int namelen;
unsigned int idx = 0;
@ -726,6 +726,22 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
get_extent_info(&child.ei, &node_blk->i.i_ext);
child.last_blk = 0;
if (f2fs_has_extra_isize(&node_blk->i)) {
if (c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
if (node_blk->i.i_extra_isize >
cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE)) {
node_blk->i.i_extra_isize =
cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE);
need_fix = 1;
}
} else {
/* we don't support tuning F2FS_FEATURE_EXTRA_ATTR now */
node_blk->i.i_inline &= ~F2FS_EXTRA_ATTR;
need_fix = 1;
}
}
ofs = get_extra_isize(node_blk);
if ((node_blk->i.i_inline & F2FS_INLINE_DATA)) {
if (le32_to_cpu(node_blk->i.i_addr[ofs]) != 0) {
/* should fix this bug all the time */