[XFS] Flush the block device before closing it on unmount.

SGI-PV: 965630
SGI-Modid: xfs-linux-melb:xfs-kern:28774a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index a3eff54a201c5306ea83cf0a9a1568c2bd3d4261..2df63622354e7700f12c40bc53556b9af624e81c 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1447,6 +1447,7 @@ xfs_free_buftarg(
        int                     external)
 {
        xfs_flush_buftarg(btp, 1);
+       xfs_blkdev_issue_flush(btp);
        if (external)
                xfs_blkdev_put(btp->bt_bdev);
        xfs_free_bufhash(btp);