Support inode defragmentation for sockets
Cc: netdev@xxxxxxxxxxxxxxx
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
---
net/socket.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index 9d3fbfb..205f450 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -269,6 +269,12 @@ static void init_once(struct kmem_cache *cachep, void *foo)
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",
@@ -280,6 +286,8 @@ 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;
}
--
1.5.4.4
--
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