search_bitmap
ret = search_bitmap(ctl, entry, &tmp, &size, true);
ret = search_bitmap(ctl, bitmap_info, &search_start, &search_bytes,
ret = search_bitmap(ctl, bitmap_info, &search_start,
ret2 = search_bitmap(ctl, entry, &search_start, &search_bytes, true);
ret2 = search_bitmap(ctl, entry, &start, &bytes, false);
ret = search_bitmap(ctl, info, &bit_off, &bit_bytes, false);
static int search_bitmap(struct btrfs_free_space_ctl *ctl,
ret = search_bitmap(ctl, info, &offset, &bytes, false);