fs: push rcu_barrier() from deactivate_locked_super() to filesystems

[karo-tx-linux.git] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6e8f416773d4b221713c30079eb1de1f732e5ded..93edae7c9e1320024e20c2ee63a3681591700520 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7074,6 +7074,11 @@ static void init_once(void *foo)
 
 void btrfs_destroy_cachep(void)
 {
+       /*
+        * Make sure all delayed rcu free inodes are flushed before we
+        * destroy cache.
+        */
+       rcu_barrier();
        if (btrfs_inode_cachep)
                kmem_cache_destroy(btrfs_inode_cachep);
        if (btrfs_trans_handle_cachep)