190 	uint32_t *dbi;  member
482 #define tcmu_cmd_set_dbi(cmd, index) ((cmd)->dbi[(cmd)->dbi_cur++] = (index))
483 #define tcmu_cmd_get_dbi(cmd) ((cmd)->dbi[(cmd)->dbi_cur++])
491 		clear_bit(tcmu_cmd->dbi[i], udev->data_bitmap);  in tcmu_cmd_free_data()
498 	int ret, dbi;  in tcmu_get_empty_block()  local
500 	dbi = find_first_zero_bit(udev->data_bitmap, udev->dbi_thresh);  in tcmu_get_empty_block()
501 	if (dbi == udev->dbi_thresh)  in tcmu_get_empty_block()
504 	page = radix_tree_lookup(&udev->data_blocks, dbi);  in tcmu_get_empty_block()
515 		ret = radix_tree_insert(&udev->data_blocks, dbi, page);  in tcmu_get_empty_block()
520 	if (dbi > udev->dbi_max)  in tcmu_get_empty_block()
521 		udev->dbi_max = dbi;  in tcmu_get_empty_block()
523 	set_bit(dbi, udev->data_bitmap);  in tcmu_get_empty_block()
524 	tcmu_cmd_set_dbi(tcmu_cmd, dbi);  in tcmu_get_empty_block()
547 tcmu_get_block_page(struct tcmu_dev *udev, uint32_t dbi)  in tcmu_get_block_page()  argument
549 	return radix_tree_lookup(&udev->data_blocks, dbi);  in tcmu_get_block_page()
554 	kfree(tcmu_cmd->dbi);  in tcmu_free_cmd()
595 	tcmu_cmd->dbi = kcalloc(tcmu_cmd->dbi_cnt, sizeof(uint32_t),  in tcmu_alloc_cmd()
597 	if (!tcmu_cmd->dbi) {  in tcmu_alloc_cmd()
660 		int dbi, int remaining)  in get_block_offset_user()  argument
662 	return dev->data_off + dbi * DATA_BLOCK_SIZE +  in get_block_offset_user()
676 	int i, dbi;  in scatter_data_area()  local
692 				dbi = tcmu_cmd_get_dbi(tcmu_cmd);  in scatter_data_area()
693 				page = tcmu_get_block_page(udev, dbi);  in scatter_data_area()
700 			to_offset = get_block_offset_user(udev, dbi,  in scatter_data_area()
751 	int i, dbi;  in gather_data_area()  local
787 				dbi = tcmu_cmd_get_dbi(cmd);  in gather_data_area()
788 				page = tcmu_get_block_page(udev, dbi);  in gather_data_area()
1480 static struct page *tcmu_try_get_block_page(struct tcmu_dev *udev, uint32_t dbi)  in tcmu_try_get_block_page()  argument
1485 	page = tcmu_get_block_page(udev, dbi);  in tcmu_try_get_block_page()
1496 	       dbi, udev->name);  in tcmu_try_get_block_page()
1526 		uint32_t dbi;  in tcmu_vma_fault()  local
1529 		dbi = (offset - udev->data_off) / DATA_BLOCK_SIZE;  in tcmu_vma_fault()
1530 		page = tcmu_try_get_block_page(udev, dbi);  in tcmu_vma_fault()