LU-8130 lu_object: use RCU to free lu_object_header

[fs/lustre-release.git] / lustre / ofd / ofd_dev.c

diff --git a/lustre/ofd/ofd_dev.c b/lustre/ofd/ofd_dev.c
index c8a5140..cfcb420 100644 (file)
--- a/lustre/ofd/ofd_dev.c
+++ b/lustre/ofd/ofd_dev.c
@@ -455,6 +455,14 @@ static int ofd_object_init(const struct lu_env *env, struct lu_object *o,
        RETURN(rc);
 }
 
+static void ofd_object_free_rcu(struct rcu_head *head)
+{
+       struct ofd_object *of = container_of(head, struct ofd_object,
+                                            ofo_header.loh_rcu);
+
+       kmem_cache_free(ofd_object_kmem, of);
+}
+
 /**
  * Implementation of lu_object_operations::loo_object_free.
  *
@@ -476,7 +484,8 @@ static void ofd_object_free(const struct lu_env *env, struct lu_object *o)
 
        lu_object_fini(o);
        lu_object_header_fini(h);
-       OBD_SLAB_FREE_PTR(of, ofd_object_kmem);
+       OBD_FREE_PRE(of, sizeof(*of), "slab-freed");
+       call_rcu(&of->ofo_header.loh_rcu, ofd_object_free_rcu);
        EXIT;
 }