libceph: osdc->req_mempool should be backed by a slab pool

ceph_osd_request_cache was introduced a long time ago.  Also, osd_req
is about to get a flexible array member, which ceph_osd_request_cache
is going to be aware of.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 109d1f8..f93d0e8 100644 (file)
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2648,8 +2648,8 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
            round_jiffies_relative(osdc->client->options->osd_idle_ttl));
 
        err = -ENOMEM;
-       osdc->req_mempool = mempool_create_kmalloc_pool(10,
-                                       sizeof(struct ceph_osd_request));
+       osdc->req_mempool = mempool_create_slab_pool(10,
+                                                    ceph_osd_request_cache);
        if (!osdc->req_mempool)
                goto out;