diff --git a/fs/bcachefs/io_misc.c b/fs/bcachefs/io_misc.c
index 4583c9386e8c..2cf6297756f8 100644
--- a/fs/bcachefs/io_misc.c
+++ b/fs/bcachefs/io_misc.c
@@ -126,7 +126,11 @@ int bch2_extent_fallocate(struct btree_trans *trans,
 
 	if (closure_nr_remaining(&cl) != 1) {
 		bch2_trans_unlock_long(trans);
-		closure_sync(&cl);
+
+		if (closure_sync_timeout(&cl, HZ * 10)) {
+			bch2_print_allocator_stuck(c);
+			closure_sync(&cl);
+		}
 	}
 
 	return ret;