[Ocfs2-devel] [PATCH] ocfs2: fix ocfs2_sync_file() if filesystem is readonly
Younger Liu
younger.liucn at gmail.com
Mon Nov 25 03:03:15 PST 2013
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 at 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
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