LU-8130 lu_object: use RCU to free lu_object_header

[fs/lustre-release.git] / lustre / obdecho / echo_client.c

diff --git a/lustre/obdecho/echo_client.c b/lustre/obdecho/echo_client.c
index e7eece1..9433ec9 100644 (file)
--- a/lustre/obdecho/echo_client.c
+++ b/lustre/obdecho/echo_client.c
@@ -545,6 +545,14 @@ static void echo_object_delete(const struct lu_env *env, struct lu_object *obj)
                OBD_FREE_PTR(eco->eo_oinfo);
 }
 
+static void echo_object_free_rcu(struct rcu_head *head)
+{
+       struct echo_object *eco = container_of(head, struct echo_object,
+                                              eo_hdr.coh_lu.loh_rcu);
+
+       kmem_cache_free(echo_object_kmem, eco);
+}
+
 static void echo_object_free(const struct lu_env *env, struct lu_object *obj)
 {
        struct echo_object *eco    = cl2echo_obj(lu2cl(obj));
@@ -554,7 +562,8 @@ static void echo_object_free(const struct lu_env *env, struct lu_object *obj)
        lu_object_fini(obj);
        lu_object_header_fini(obj->lo_header);
 
-       OBD_SLAB_FREE_PTR(eco, echo_object_kmem);
+       OBD_FREE_PRE(eco, sizeof(*eco), "slab-freed");
+       call_rcu(&eco->eo_hdr.coh_lu.loh_rcu, echo_object_free_rcu);
        EXIT;
 }