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Subject[patch 19/23] FS: Socket inode defragmentation
Support inode defragmentation for sockets

Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
net/socket.c | 8 ++++++++
1 file changed, 8 insertions(+)
Index: linux-2.6/net/socket.c
===================================================================
--- linux-2.6.orig/net/socket.c 2007-10-30 16:34:39.000000000 -0700
+++ linux-2.6/net/socket.c 2007-11-06 12:56:27.000000000 -0800
@@ -265,6 +265,12 @@ static void init_once(struct kmem_cache
inode_init_once(&ei->vfs_inode);
}

+static void *sock_get_inodes(struct kmem_cache *s, int nr, void **v)
+{
+ return fs_get_inodes(s, nr, v,
+ offsetof(struct socket_alloc, vfs_inode));
+}
+
static int init_inodecache(void)
{
sock_inode_cachep = kmem_cache_create("sock_inode_cache",
@@ -276,6 +282,8 @@ static int init_inodecache(void)
init_once);
if (sock_inode_cachep == NULL)
return -ENOMEM;
+ kmem_cache_setup_defrag(sock_inode_cachep,
+ sock_get_inodes, kick_inodes);
return 0;
}

--
-
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