[PATCH AUTOSEL 4.19 124/146] f2fs: fix to recover inode's i_flags during POR

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From: Chao Yu <yuchao0@xxxxxxxxxx>

[ Upstream commit 19c73a691ccf6fb2f12d4e9cf9830023966cec88 ]

Testcase to reproduce this bug:
1. mkfs.f2fs /dev/sdd
2. mount -t f2fs /dev/sdd /mnt/f2fs
3. touch /mnt/f2fs/file
4. sync
5. chattr +A /mnt/f2fs/file
6. xfs_io -f /mnt/f2fs/file -c "fsync"
7. godown /mnt/f2fs
8. umount /mnt/f2fs
9. mount -t f2fs /dev/sdd /mnt/f2fs
10. lsattr /mnt/f2fs/file

-----------------N- /mnt/f2fs/file

But actually, we expect the corrct result is:

-------A---------N- /mnt/f2fs/file

The reason is we didn't recover inode.i_flags field during mount,
fix it.

Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/f2fs/recovery.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 95511ed11a22..12a3293bcbc9 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -221,6 +221,7 @@ static void recover_inode(struct inode *inode, struct page *page)
 	inode->i_mtime.tv_nsec = le32_to_cpu(raw->i_mtime_nsec);
 
 	F2FS_I(inode)->i_advise = raw->i_advise;
+	F2FS_I(inode)->i_flags = le32_to_cpu(raw->i_flags);
 
 	recover_inline_flags(inode, raw);
 
-- 
2.17.1




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