[PATCH] reiserfs_fsync should only use barriers when they are enabled

make sure that reiserfs_fsync only triggers barriers when mounted with -o
barrier=flush

Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 1627edd..1cfbe85 100644 (file)
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -130,7 +130,7 @@ static int reiserfs_sync_file(struct file *p_s_filp,
        reiserfs_write_lock(p_s_inode->i_sb);
        barrier_done = reiserfs_commit_for_inode(p_s_inode);
        reiserfs_write_unlock(p_s_inode->i_sb);
-       if (barrier_done != 1)
+       if (barrier_done != 1 && reiserfs_barrier_flush(p_s_inode->i_sb))
                blkdev_issue_flush(p_s_inode->i_sb->s_bdev, NULL);
        if (barrier_done < 0)
                return barrier_done;