890 static void null_free_sector(struct nullb *nullb, sector_t sector,  in null_free_sector()  argument
899 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_free_sector()
900 	sector_bit = (sector & SECTOR_MASK);  in null_free_sector()
963 	sector_t sector, bool for_write, bool is_cache)  in __null_lookup_page()  argument
970 	idx = sector >> PAGE_SECTORS_SHIFT;  in __null_lookup_page()
971 	sector_bit = (sector & SECTOR_MASK);  in __null_lookup_page()
984 	sector_t sector, bool for_write, bool ignore_cache)  in null_lookup_page()  argument
989 		page = __null_lookup_page(nullb, sector, for_write, true);  in null_lookup_page()
992 	return __null_lookup_page(nullb, sector, for_write, false);  in null_lookup_page()
996 					   sector_t sector, bool ignore_cache)  in null_insert_page()  argument
1003 	t_page = null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
1017 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_insert_page()
1027 	return null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
1137 	sector_t sector;  in copy_to_nullb()  local
1142 		sector = pos >> SECTOR_SHIFT;  in copy_to_nullb()
1147 		t_page = null_insert_page(nullb, sector,  in copy_to_nullb()
1155 		__set_bit(sector & SECTOR_MASK, t_page->bitmap);  in copy_to_nullb()
1158 			null_free_sector(nullb, sector, true);  in copy_to_nullb()
1171 	sector_t sector;  in copy_from_nullb()  local
1176 		sector = pos >> SECTOR_SHIFT;  in copy_from_nullb()
1178 		t_page = null_lookup_page(nullb, sector, false,  in copy_from_nullb()
1192 				 sector_t sector, sector_t nr_sectors)  in null_handle_discard()  argument
1201 		null_free_sector(nullb, sector, false);  in null_handle_discard()
1203 			null_free_sector(nullb, sector, true);  in null_handle_discard()
1204 		sector += temp >> SECTOR_SHIFT;  in null_handle_discard()
1336 blk_status_t null_handle_badblocks(struct nullb_cmd *cmd, sector_t sector,  in null_handle_badblocks()  argument
1345 	if (!badblocks_check(bb, sector, *nr_sectors, &first_bad, &bad_sectors))  in null_handle_badblocks()
1354 		if (sector < first_bad)  in null_handle_badblocks()
1355 			partial_io_sectors = first_bad - sector;  in null_handle_badblocks()
1363 				       sector_t sector, sector_t nr_sectors)  in null_handle_memory_backed()  argument
1368 		return null_handle_discard(dev, sector, nr_sectors);  in null_handle_memory_backed()
1414 			      sector_t sector, unsigned int nr_sectors)  in null_process_cmd()  argument
1421 		badblocks_ret = null_handle_badblocks(cmd, sector, &nr_sectors);  in null_process_cmd()
1424 		ret = null_handle_memory_backed(cmd, op, sector, nr_sectors);  in null_process_cmd()
1432 static void null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,  in null_handle_cmd()  argument
1445 		sts = null_process_zoned_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1447 		sts = null_process_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1649 	sector_t sector = blk_rq_pos(rq);  in null_queue_rq()  local
1693 	null_handle_cmd(cmd, sector, nr_sectors, req_op(rq));  in null_queue_rq()