768 static void null_free_sector(struct nullb *nullb, sector_t sector,  in null_free_sector()  argument
777 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_free_sector()
778 	sector_bit = (sector & SECTOR_MASK);  in null_free_sector()
841 	sector_t sector, bool for_write, bool is_cache)  in __null_lookup_page()  argument
848 	idx = sector >> PAGE_SECTORS_SHIFT;  in __null_lookup_page()
849 	sector_bit = (sector & SECTOR_MASK);  in __null_lookup_page()
862 	sector_t sector, bool for_write, bool ignore_cache)  in null_lookup_page()  argument
867 		page = __null_lookup_page(nullb, sector, for_write, true);  in null_lookup_page()
870 	return __null_lookup_page(nullb, sector, for_write, false);  in null_lookup_page()
874 					   sector_t sector, bool ignore_cache)  in null_insert_page()  argument
881 	t_page = null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
895 	idx = sector >> PAGE_SECTORS_SHIFT;  in null_insert_page()
905 	return null_lookup_page(nullb, sector, true, ignore_cache);  in null_insert_page()
1011 	unsigned int off, sector_t sector, size_t n, bool is_fua)  in copy_to_nullb()  argument
1024 		offset = (sector & SECTOR_MASK) << SECTOR_SHIFT;  in copy_to_nullb()
1025 		t_page = null_insert_page(nullb, sector,  in copy_to_nullb()
1036 		__set_bit(sector & SECTOR_MASK, t_page->bitmap);  in copy_to_nullb()
1039 			null_free_sector(nullb, sector, true);  in copy_to_nullb()
1042 		sector += temp >> SECTOR_SHIFT;  in copy_to_nullb()
1048 	unsigned int off, sector_t sector, size_t n)  in copy_from_nullb()  argument
1058 		offset = (sector & SECTOR_MASK) << SECTOR_SHIFT;  in copy_from_nullb()
1059 		t_page = null_lookup_page(nullb, sector, false,  in copy_from_nullb()
1074 		sector += temp >> SECTOR_SHIFT;  in copy_from_nullb()
1090 				 sector_t sector, sector_t nr_sectors)  in null_handle_discard()  argument
1099 		null_free_sector(nullb, sector, false);  in null_handle_discard()
1101 			null_free_sector(nullb, sector, true);  in null_handle_discard()
1102 		sector += temp >> SECTOR_SHIFT;  in null_handle_discard()
1131 	unsigned int len, unsigned int off, bool is_write, sector_t sector,  in null_transfer()  argument
1141 				sector, len);  in null_transfer()
1145 				sector, valid_len);  in null_transfer()
1155 		err = copy_to_nullb(nullb, page, off, sector, len, is_fua);  in null_transfer()
1167 	sector_t sector = blk_rq_pos(rq);  in null_handle_rq()  local
1175 				     op_is_write(req_op(rq)), sector,  in null_handle_rq()
1181 		sector += len >> SECTOR_SHIFT;  in null_handle_rq()
1194 	sector_t sector = bio->bi_iter.bi_sector;  in null_handle_bio()  local
1202 				     op_is_write(bio_op(bio)), sector,  in null_handle_bio()
1208 		sector += len >> SECTOR_SHIFT;  in null_handle_bio()
1252 						 sector_t sector,  in null_handle_badblocks()  argument
1259 	if (badblocks_check(bb, sector, nr_sectors, &first_bad, &bad_sectors))  in null_handle_badblocks()
1267 						     sector_t sector,  in null_handle_memory_backed()  argument
1274 		return null_handle_discard(dev, sector, nr_sectors);  in null_handle_memory_backed()
1338 			      enum req_opf op, sector_t sector,  in null_process_cmd()  argument
1345 		ret = null_handle_badblocks(cmd, sector, nr_sectors);  in null_process_cmd()
1351 		return null_handle_memory_backed(cmd, op, sector, nr_sectors);  in null_process_cmd()
1356 static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,  in null_handle_cmd()  argument
1375 		sts = null_process_zoned_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1377 		sts = null_process_cmd(cmd, op, sector, nr_sectors);  in null_handle_cmd()
1427 	sector_t sector = bio->bi_iter.bi_sector;  in null_submit_bio()  local
1436 	null_handle_cmd(cmd, sector, nr_sectors, bio_op(bio));  in null_submit_bio()
1483 	sector_t sector = blk_rq_pos(bd->rq);  in null_queue_rq()  local
1514 	return null_handle_cmd(cmd, sector, nr_sectors, req_op(bd->rq));  in null_queue_rq()