Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[platform/kernel/linux-starfive.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 64dc93f..8036d3a 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -108,6 +108,12 @@ void extent_io_exit(void)
                list_del(&eb->leak_list);
                kmem_cache_free(extent_buffer_cache, eb);
        }
+
+       /*
+        * Make sure all delayed rcu free are flushed before we
+        * destroy caches.
+        */
+       rcu_barrier();
        if (extent_state_cache)
                kmem_cache_destroy(extent_state_cache);
        if (extent_buffer_cache)