From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH 1/2] f2fs: avoid infinite loop on cp_error Date: Tue, 13 Jan 2015 16:33:23 -0800 Message-ID: <1421195604-5256-1-git-send-email-jaegeuk@kernel.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim List-Id: linux-f2fs-devel.lists.sourceforge.net If cp_error is set, we should avoid all the infinite loop. In f2fs_sync_file, there is a hole, and this patch fixes that. Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index a7114858..0d88a28 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -247,6 +247,10 @@ go_write: sync_nodes: sync_node_pages(sbi, ino, &wbc); + /* if cp_error was enabled, we should avoid infinite loop */ + if (unlikely(f2fs_cp_error(sbi))) + goto out; + if (need_inode_block_update(sbi, ino)) { mark_inode_dirty_sync(inode); f2fs_write_inode(inode, NULL); -- 2.1.1