diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index d7c445c..057be95 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2280,7 +2280,7 @@
 		goto out;
 
 	entry = rb_entry(node, struct btrfs_free_space, offset_index);
-	while(1) {
+	while (1) {
 		if (entry->bytes < bytes && entry->bytes > *max_extent_size)
 			*max_extent_size = entry->bytes;