From: Chris Mason <mason@suse.com>
Date: Fri, 29 Sep 2006 08:59:54 +0000 (-0700)
Subject: [PATCH] reiserfs_fsync should only use barriers when they are enabled
X-Git-Tag: v2.6.19-rc1~778
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25736b1c692d436508585d1d710912e6f76be2d8;p=platform%2Fkernel%2Flinux-exynos.git

[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
--- 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;