From mboxrd@z Thu Jan 1 00:00:00 1970 From: Younger Liu Date: Mon, 25 Nov 2013 19:03:15 +0800 Subject: [Ocfs2-devel] [PATCH] ocfs2: fix ocfs2_sync_file() if filesystem is readonly Message-ID: <52932E73.5090902@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com If filesystem is readonly, there is no need to flush drive's caches or force any uncommitted transactions. Signed-off-by: Younger Liu --- fs/ocfs2/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index d54d1bf..618f18f 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -185,6 +185,9 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end, file->f_path.dentry->d_name.name, (unsigned long long)datasync); + if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) + return 0; + err = filemap_write_and_wait_range(inode->i_mapping, start, end); if (err) return err; -- 1.7.9.5