diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index cb79b89..b4087e0 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -62,8 +62,7 @@
 		goto out;
 
 	while (1) {
-		smp_mb();
-		if (fs_info->closing)
+		if (btrfs_fs_closing(fs_info))
 			goto out;
 
 		leaf = path->nodes[0];