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Date: Fri, 31 Aug 2007 18:41:26 -0700
From: Christoph Lameter <clameter@....com>
To: Andy Whitcroft <apw@...dowen.org>
Subject: [RFC 19/26] FS: XFS slab defragmentation
Support inode defragmentation for xfs
Signed-off-by: Christoph Lameter <clameter@....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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