btrfs_is_block_group_used
if (btrfs_is_zoned(fs_info) && btrfs_is_block_group_used(block_group) &&
if (btrfs_is_block_group_used(block_group) ||
used = btrfs_is_block_group_used(block_group);
is_unused = !btrfs_is_block_group_used(bg);
if (btrfs_is_block_group_used(bg) || bg->zone_unusable < bg->length) {
ASSERT(!btrfs_is_block_group_used(bg));