1 files changed, 14 insertions, 0 deletions
diff --git a/libbcachefs/btree_iter.h b/libbcachefs/btree_iter.h
index 09dd3e52..cc2c6bb6 100644
--- a/libbcachefs/btree_iter.h
+++ b/libbcachefs/btree_iter.h
@@ -963,6 +963,20 @@ struct bkey_s_c bch2_btree_iter_peek_and_restart_outlined(struct btree_trans *,
 	_p;								\
 })
 
+#define allocate_dropping_locks_norelock(_trans, _lock_dropped, _do)	\
+({									\
+	gfp_t _gfp = GFP_NOWAIT|__GFP_NOWARN;				\
+	typeof(_do) _p = _do;						\
+	_lock_dropped = false;						\
+	if (unlikely(!_p)) {						\
+		bch2_trans_unlock(_trans);				\
+		_lock_dropped = true;					\
+		_gfp = GFP_KERNEL;					\
+		_p = _do;						\
+	}								\
+	_p;								\
+})
+
 struct btree_trans *__bch2_trans_get(struct bch_fs *, unsigned);
 void bch2_trans_put(struct btree_trans *);