orig_super_num_devices 2603 fs/btrfs/volumes.c u64 orig_super_num_devices; orig_super_num_devices 2704 fs/btrfs/volumes.c orig_super_num_devices = btrfs_super_num_devices(fs_info->super_copy); orig_super_num_devices 2706 fs/btrfs/volumes.c orig_super_num_devices + 1); orig_super_num_devices 2791 fs/btrfs/volumes.c orig_super_num_devices);