Slab defragmentation: Support reiserfs inode defragmentation

Add inode defrag support

Signed-off-by: Christoph Lameter <clameter@sgi.com>

---
 fs/reiserfs/super.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: linux-2.6/fs/reiserfs/super.c
===================================================================
--- linux-2.6.orig/fs/reiserfs/super.c	2007-07-29 13:59:52.000000000 -0700
+++ linux-2.6/fs/reiserfs/super.c	2007-07-29 14:44:48.000000000 -0700
@@ -520,6 +520,12 @@ static void init_once(void *foo, struct 
 #endif
 }
 
+static void *reiserfs_get_inodes(struct kmem_cache *s, int nr, void **v)
+{
+	return fs_get_inodes(s, nr, v,
+		offsetof(struct reiserfs_inode_info, vfs_inode));
+}
+
 static int init_inodecache(void)
 {
 	reiserfs_inode_cachep = kmem_cache_create("reiser_inode_cache",
@@ -530,6 +536,8 @@ static int init_inodecache(void)
 						  init_once);
 	if (reiserfs_inode_cachep == NULL)
 		return -ENOMEM;
+	kmem_cache_setup_defrag(reiserfs_inode_cachep,
+			reiserfs_get_inodes, kick_inodes);
 	return 0;
 }