847 static void null_free_sector(struct nullb *nullb, sector_t sector,  in null_free_sector()  argument
856 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_free_sector()
857 	sector_bit = (sector & SECTOR_MASK);  in null_free_sector()
920 	sector_t sector, bool for_write, bool is_cache)  in __null_lookup_page()  argument
927 	idx = sector >> PAGE_SECTORS_SHIFT;  in __null_lookup_page()
928 	sector_bit = (sector & SECTOR_MASK);  in __null_lookup_page()
941 	sector_t sector, bool for_write, bool ignore_cache)  in null_lookup_page()  argument
946 		page = __null_lookup_page(nullb, sector, for_write, true);  in null_lookup_page()
949 	return __null_lookup_page(nullb, sector, for_write, false);  in null_lookup_page()
953 					   sector_t sector, bool ignore_cache)  in null_insert_page()  argument
960 	t_page = null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
974 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_insert_page()
984 	return null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
1090 	unsigned int off, sector_t sector, size_t n, bool is_fua)  in copy_to_nullb()  argument
1103 		offset = (sector & SECTOR_MASK) << SECTOR_SHIFT;  in copy_to_nullb()
1104 		t_page = null_insert_page(nullb, sector,  in copy_to_nullb()
1115 		__set_bit(sector & SECTOR_MASK, t_page->bitmap);  in copy_to_nullb()
1118 			null_free_sector(nullb, sector, true);  in copy_to_nullb()
1121 		sector += temp >> SECTOR_SHIFT;  in copy_to_nullb()
1127 	unsigned int off, sector_t sector, size_t n)  in copy_from_nullb()  argument
1137 		offset = (sector & SECTOR_MASK) << SECTOR_SHIFT;  in copy_from_nullb()
1138 		t_page = null_lookup_page(nullb, sector, false,  in copy_from_nullb()
1153 		sector += temp >> SECTOR_SHIFT;  in copy_from_nullb()
1169 				 sector_t sector, sector_t nr_sectors)  in null_handle_discard()  argument
1178 		null_free_sector(nullb, sector, false);  in null_handle_discard()
1180 			null_free_sector(nullb, sector, true);  in null_handle_discard()
1181 		sector += temp >> SECTOR_SHIFT;  in null_handle_discard()
1210 	unsigned int len, unsigned int off, bool is_write, sector_t sector,  in null_transfer()  argument
1220 				sector, len);  in null_transfer()
1224 				sector, valid_len);  in null_transfer()
1234 		err = copy_to_nullb(nullb, page, off, sector, len, is_fua);  in null_transfer()
1246 	sector_t sector = blk_rq_pos(rq);  in null_handle_rq()  local
1254 				     op_is_write(req_op(rq)), sector,  in null_handle_rq()
1260 		sector += len >> SECTOR_SHIFT;  in null_handle_rq()
1273 	sector_t sector = bio->bi_iter.bi_sector;  in null_handle_bio()  local
1281 				     op_is_write(bio_op(bio)), sector,  in null_handle_bio()
1287 		sector += len >> SECTOR_SHIFT;  in null_handle_bio()
1331 						 sector_t sector,  in null_handle_badblocks()  argument
1338 	if (badblocks_check(bb, sector, nr_sectors, &first_bad, &bad_sectors))  in null_handle_badblocks()
1346 						     sector_t sector,  in null_handle_memory_backed()  argument
1353 		return null_handle_discard(dev, sector, nr_sectors);  in null_handle_memory_backed()
1417 			      sector_t sector, unsigned int nr_sectors)  in null_process_cmd()  argument
1423 		ret = null_handle_badblocks(cmd, sector, nr_sectors);  in null_process_cmd()
1429 		return null_handle_memory_backed(cmd, op, sector, nr_sectors);  in null_process_cmd()
1434 static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,  in null_handle_cmd()  argument
1453 		sts = null_process_zoned_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1455 		sts = null_process_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1505 	sector_t sector = bio->bi_iter.bi_sector;  in null_submit_bio()  local
1510 	null_handle_cmd(alloc_cmd(nq, bio), sector, nr_sectors, bio_op(bio));  in null_submit_bio()
1646 	sector_t sector = blk_rq_pos(bd->rq);  in null_queue_rq()  local
1685 	return null_handle_cmd(cmd, sector, nr_sectors, req_op(bd->rq));  in null_queue_rq()