From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Chao Yu , Jaegeuk Kim , 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 Message-ID: <20180409001637.162453-69-alexander.levin@microsoft.com> References: <20180409001637.162453-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001637.162453-1-alexander.levin@microsoft.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Chao Yu [ Upstream commit eb4497975e82448746bb7de3d13b743b7145aed7 ] This patch fixes to update last_disk_size only when writing out page successfully. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- 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: } } =20 - down_write(&F2FS_I(inode)->i_sem); - if (F2FS_I(inode)->last_disk_size < psize) - F2FS_I(inode)->last_disk_size =3D 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 =3D psize; + up_write(&F2FS_I(inode)->i_sem); + } =20 done: if (err && err !=3D -ENOENT) --=20 2.15.1