From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 2 Nov 2012 00:38:42 +0000 (+1100)
Subject: xfs: don't vmap inode cluster buffers during free
X-Git-Tag: v3.8-rc1~149^2~55
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6aff29f3af7437635ec3d66af9115bb17ba561f;p=platform%2Fkernel%2Flinux-exynos.git

xfs: don't vmap inode cluster buffers during free

Inode buffers do not need to be mapped as inodes are read or written
directly from/to the pages underlying the buffer. This fixes a
regression introduced by commit 611c994 ("xfs: make XBF_MAPPED the
default behaviour").

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
---

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 95f7a73..965598e 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1760,7 +1760,8 @@ xfs_ifree_cluster(
 		 * to mark all the active inodes on the buffer stale.
 		 */
 		bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno,
-					mp->m_bsize * blks_per_cluster, 0);
+					mp->m_bsize * blks_per_cluster,
+					XBF_UNMAPPED);
 
 		if (!bp)
 			return ENOMEM;