37 static struct page *rd_lookup_page(struct rd_device *rd, sector_t sector)  in rd_lookup_page()  argument
42 	idx = sector >> PAGE_SECTORS_SHIFT; /* sector to page index */  in rd_lookup_page()
53 		       sector_t sector, size_t n)  in copy_to_rd()  argument
57 	unsigned int offset = (sector & (PAGE_SECTORS - 1)) << SECTOR_SHIFT;  in copy_to_rd()
61 	page = rd_lookup_page(rd, sector);  in copy_to_rd()
70 		sector += copy >> SECTOR_SHIFT;  in copy_to_rd()
72 		page = rd_lookup_page(rd, sector);  in copy_to_rd()
85 			 sector_t sector, size_t n)  in copy_from_rd()  argument
89 	unsigned int offset = (sector & (PAGE_SECTORS - 1)) << SECTOR_SHIFT;  in copy_from_rd()
93 	page = rd_lookup_page(rd, sector);  in copy_from_rd()
104 		sector += copy >> SECTOR_SHIFT;  in copy_from_rd()
106 		page = rd_lookup_page(rd, sector);  in copy_from_rd()
122 		      sector_t sector)  in rd_do_bvec()  argument
128 		copy_from_rd(mem + off, rd, sector, len);  in rd_do_bvec()
132 		copy_to_rd(rd, mem + off, sector, len);  in rd_do_bvec()
143 	sector_t sector;  in rd_submit_bio()  local
146 	sector = bio->bi_iter.bi_sector;  in rd_submit_bio()
159 				 bio_op(bio), sector);  in rd_submit_bio()
162 		sector += len >> SECTOR_SHIFT;  in rd_submit_bio()
172 static int rd_rw_page(struct block_device *bdev, sector_t sector,  in rd_rw_page()  argument
180 	err = rd_do_bvec(rd, page, PAGE_SIZE, 0, op, sector);  in rd_rw_page()