diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index a83d486cc70c..4330433b7b4f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1123,6 +1123,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 
 	rsv = trans->block_rsv;
 	trans->block_rsv = &pending->block_rsv;
+	trans->bytes_reserved = trans->block_rsv->reserved;
 
 	dentry = pending->dentry;
 	parent = dget_parent(dentry);
@@ -1276,6 +1277,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 fail:
 	dput(parent);
 	trans->block_rsv = rsv;
+	trans->bytes_reserved = 0;
 no_free_objectid:
 	kfree(new_root_item);
 root_item_alloc_fail: