From: Younger Liu <younger.liucn@gmail.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH] ocfs2: fix ocfs2_sync_file() if filesystem is readonly
Date: Mon, 25 Nov 2013 19:03:15 +0800 [thread overview]
Message-ID: <52932E73.5090902@gmail.com> (raw)
If filesystem is readonly, there is no need to flush drive's caches
or force any uncommitted transactions.
Signed-off-by: Younger Liu <younger.liucn@gmail.com>
---
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
reply other threads:[~2013-11-25 11:03 UTC|newest]
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