[RFC 19/26] FS: XFS slab defragmentation

[Christoph Lameter <clameter@sgi.com>]

Support inode defragmentation for xfs

Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
 fs/xfs/linux-2.6/xfs_super.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 4528f9a..e60c90e 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -363,6 +363,11 @@ xfs_fs_inode_init_once(
 	inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
 }
 
+static void *xfs_get_inodes(struct kmem_cache *s, int nr, void **v)
+{
+	return fs_get_inodes(s, nr, v, offsetof(bhv_vnode_t, v_inode));
+};
+
 STATIC int
 xfs_init_zones(void)
 {
@@ -376,6 +381,7 @@ xfs_init_zones(void)
 	xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
 	if (!xfs_ioend_zone)
 		goto out_destroy_vnode_zone;
+	kmem_cache_setup_defrag(xfs_vnode_zone, xfs_get_inodes, kick_inodes);
 
 	xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
 						  xfs_ioend_zone);
-- 
1.5.2.4

-- 
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