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UPSTREAM: f2fs: should not truncate blocks during roll-forward recovery

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If the file preallocated blocks and fsync'ed, we should not truncate them during
roll-forward recovery which will recover i_size correctly back.

Bug: 223740163
Fixes: d4dd19ec1e ("f2fs: do not expose unwritten blocks to user by DIO")
Cc: <stable@vger.kernel.org> # 5.17+
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 4d8ec91208)
Change-Id: I5e974a564667115455b53a18f31902a875d86dee
This commit is contained in:
Jaegeuk Kim
2022-04-21 16:47:02 -07:00
committed by Jaegeuk Kim
parent a50ef731e0
commit c56ecad172
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/inode.c
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@@ -550,7 +550,8 @@ make_now:
}
f2fs_set_inode_flags(inode);
if (file_should_truncate(inode)) {
if (file_should_truncate(inode) &&
!is_sbi_flag_set(sbi, SBI_POR_DOING)) {
ret = f2fs_truncate(inode);
if (ret)
goto bad_inode;