[PATCH 084/102] xfs: use kmem_zone_zalloc for buffers

[Dave Chinner]

From: Dave Chinner <dchinner at redhat.com>

Upstream commit: bf813cdddfb3a5bc88e1612e8f62a12367871213

To replace the alloc/memset pair.

Signed-off-by: Dave Chinner <dchinner at redhat.com>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Mark Tinguely <tinguely at sgi.com>
Signed-off-by: Ben Myers <bpm at sgi.com>
---
 fs/xfs/linux-2.6/xfs_buf.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 3e9946c..522ab83 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -170,7 +170,7 @@ xfs_buf_alloc(
 {
 	struct xfs_buf		*bp;
 
-	bp = kmem_zone_alloc(xfs_buf_zone, xb_to_km(flags));
+	bp = kmem_zone_zalloc(xfs_buf_zone, xb_to_km(flags));
 	if (unlikely(!bp))
 		return NULL;
 
@@ -179,7 +179,6 @@ xfs_buf_alloc(
 	 */
 	flags &= ~(XBF_LOCK|XBF_MAPPED|XBF_DONT_BLOCK|XBF_READ_AHEAD);
 
-	memset(bp, 0, sizeof(xfs_buf_t));
 	atomic_set(&bp->b_hold, 1);
 	atomic_set(&bp->b_lru_ref, 1);
 	init_completion(&bp->b_iowait);
-- 
1.7.10