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| author | Younger Liu <younger.liucn@gmail.com> | 2014-02-10 14:25:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-02-10 16:01:42 -0800 |
| commit | a987c7ca7fc9225a587b1dc59d7d4ad2d9e2e08e (patch) | |
| tree | 8624277e806b28f2396fe6157b026f00a2089285 | |
| parent | 79040cad3f8235937e229f1b9401ba36dd5ad69b (diff) | |
| download | linux-a987c7ca7fc9225a587b1dc59d7d4ad2d9e2e08e.tar.bz2 | |
ocfs2: fix ocfs2_sync_file() if filesystem is readonly
If filesystem is readonly, there is no need to flush drive's caches or
force any uncommitted transactions.
[akpm@linux-foundation.org: return -EROFS, not 0]
Signed-off-by: Younger Liu <younger.liucn@gmail.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ocfs2/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index d77d71ead8d1..fcd970636bbf 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 -EROFS; + err = filemap_write_and_wait_range(inode->i_mapping, start, end); if (err) return err; |