LU-12374 lustre: push rcu_barrier() before destroying slab

[fs/lustre-release.git] / lustre / llite / super25.c

diff --git a/lustre/llite/super25.c b/lustre/llite/super25.c
index bd38776..5158d0a 100644 (file)
--- a/lustre/llite/super25.c
+++ b/lustre/llite/super25.c
@@ -177,6 +177,13 @@ static void __exit lustre_exit(void)
        cl_env_put(cl_inode_fini_env, &cl_inode_fini_refcheck);
        vvp_global_fini();
 
+#ifdef HAVE_INODE_I_RCU
+       /*
+        * Make sure all delayed rcu free inodes are flushed before we
+        * destroy cache.
+        */
+       rcu_barrier();
+#endif
        kmem_cache_destroy(ll_inode_cachep);
        kmem_cache_destroy(ll_file_data_slab);
 }