want_bits        2845 fs/btrfs/free-space-cache.c 	unsigned long want_bits;
want_bits        2855 fs/btrfs/free-space-cache.c 	want_bits = bytes_to_bits(bytes, ctl->unit);
want_bits        2896 fs/btrfs/free-space-cache.c 	if (total_found < want_bits || cluster->max_size < cont1_bytes) {