xfs: let xfs_bwrite callers handle the xfs_buf_relse

Remove the xfs_buf_relse from xfs_bwrite and let the caller handle it to
mirror the delwri and read paths.

Also remove the mount pointer passed to xfs_bwrite, which is superflous now
that we have a mount pointer in the buftarg.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>


diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index 4604f90..90cc197 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -322,6 +322,7 @@
 	struct xfs_mount	*mp)
 {
 	struct xfs_buf		*bp;
+	int			error;
 
 	/*
 	 * If the buffer is pinned then push on the log so we won't get stuck
@@ -334,8 +335,9 @@
 	bp = xfs_getsb(mp, 0);
 	if (xfs_buf_ispinned(bp))
 		xfs_log_force(mp, 0);
-
-	return xfs_bwrite(mp, bp);
+	error = xfs_bwrite(bp);
+	xfs_buf_relse(bp);
+	return error;
 }
 
 /*