diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 9423cff1539f..dedb2790445d 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -310,7 +310,7 @@ static unsigned long bch2_btree_cache_scan(struct shrinker *shrink,
 			if (freed >= nr)
 				goto out;
 
-			if (sc->gfp_mask & __GFP_IO)
+			if (sc->gfp_mask & __GFP_FS)
 				mutex_lock(&bc->lock);
 			else if (!mutex_trylock(&bc->lock))
 				goto out;