LU-3285 mds: add IO locking to the MDC and MDT

[fs/lustre-release.git] / lustre / ldlm / ldlm_lockd.c

diff --git a/lustre/ldlm/ldlm_lockd.c b/lustre/ldlm/ldlm_lockd.c
index 04e3c8e..2396a6c 100644 (file)
--- a/lustre/ldlm/ldlm_lockd.c
+++ b/lustre/ldlm/ldlm_lockd.c
@@ -1152,6 +1152,7 @@ int ldlm_server_glimpse_ast(struct ldlm_lock *lock, void *data)
 
        RETURN(rc);
 }
+EXPORT_SYMBOL(ldlm_server_glimpse_ast);
 
 int ldlm_glimpse_locks(struct ldlm_resource *res,
                       struct list_head *gl_work_list)
@@ -1363,7 +1364,6 @@ int ldlm_handle_enqueue0(struct ldlm_namespace *ns,
                lock->l_req_extent = lock->l_policy_data.l_extent;
 
 existing_lock:
-
         if (flags & LDLM_FL_HAS_INTENT) {
                 /* In this case, the reply buffer is allocated deep in
                  * local_lock_enqueue by the policy function. */
@@ -3232,11 +3232,22 @@ int ldlm_init(void)
        if (ldlm_interval_tree_slab == NULL)
                goto out_interval;
 
+#ifdef HAVE_SERVER_SUPPORT
+       ldlm_glimpse_work_kmem = kmem_cache_create("ldlm_glimpse_work_kmem",
+                                       sizeof(struct ldlm_glimpse_work),
+                                       0, 0, NULL);
+       if (ldlm_glimpse_work_kmem == NULL)
+               goto out_interval_tree;
+#endif
+
 #if LUSTRE_TRACKS_LOCK_EXP_REFS
        class_export_dump_hook = ldlm_dump_export_locks;
 #endif
        return 0;
-
+#ifdef HAVE_SERVER_SUPPORT
+out_interval_tree:
+       kmem_cache_destroy(ldlm_interval_tree_slab);
+#endif
 out_interval:
        kmem_cache_destroy(ldlm_interval_slab);
 out_lock:
@@ -3259,4 +3270,7 @@ void ldlm_exit(void)
        kmem_cache_destroy(ldlm_lock_slab);
        kmem_cache_destroy(ldlm_interval_slab);
        kmem_cache_destroy(ldlm_interval_tree_slab);
+#ifdef HAVE_SERVER_SUPPORT
+       kmem_cache_destroy(ldlm_glimpse_work_kmem);
+#endif
 }