| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.15 069/189] f2fs: fix to update last_disk_size correctly | Date | Mon, 9 Apr 2018 00:17:39 +0000 |
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From: Chao Yu <yuchao0@huawei.com>
[ Upstream commit eb4497975e82448746bb7de3d13b743b7145aed7 ]
This patch fixes to update last_disk_size only when writing out page successfully.
Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- fs/f2fs/data.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 516fa0d3ff9c..3399ddb723dd 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1571,10 +1571,14 @@ write: } } - down_write(&F2FS_I(inode)->i_sem); - if (F2FS_I(inode)->last_disk_size < psize) - F2FS_I(inode)->last_disk_size = psize; - up_write(&F2FS_I(inode)->i_sem); + if (err) { + file_set_keep_isize(inode); + } else { + down_write(&F2FS_I(inode)->i_sem); + if (F2FS_I(inode)->last_disk_size < psize) + F2FS_I(inode)->last_disk_size = psize; + up_write(&F2FS_I(inode)->i_sem); + } done: if (err && err != -ENOENT) -- 2.15.1
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