Review - flush blockdev on close

[David Chinner <dgc@xxxxxxx>]

As suggested by Christoph, we probably should flush the block
device as we complete the process of unmounting the filesystem.
Patch attached.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group

---
 fs/xfs/linux-2.6/xfs_buf.c |    1 +
 1 file changed, 1 insertion(+)

Index: 2.6.x-xfs-new/fs/xfs/linux-2.6/xfs_buf.c
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/linux-2.6/xfs_buf.c       2007-04-24 
09:32:22.000000000 +1000
+++ 2.6.x-xfs-new/fs/xfs/linux-2.6/xfs_buf.c    2007-04-24 11:12:42.181361346 
+1000
@@ -1464,6 +1464,7 @@ 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);