64 static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector)  in brd_lookup_page()  argument
81 	idx = sector >> PAGE_SECTORS_SHIFT; /* sector to page index */  in brd_lookup_page()
95 static struct page *brd_insert_page(struct brd_device *brd, sector_t sector)  in brd_insert_page()  argument
101 	page = brd_lookup_page(brd, sector);  in brd_insert_page()
128 	idx = sector >> PAGE_SECTORS_SHIFT;  in brd_insert_page()
183 static int copy_to_brd_setup(struct brd_device *brd, sector_t sector, size_t n)  in copy_to_brd_setup()  argument
185 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_to_brd_setup()
189 	if (!brd_insert_page(brd, sector))  in copy_to_brd_setup()
192 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd_setup()
193 		if (!brd_insert_page(brd, sector))  in copy_to_brd_setup()
203 			sector_t sector, size_t n)  in copy_to_brd()  argument
207 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_to_brd()
211 	page = brd_lookup_page(brd, sector);  in copy_to_brd()
220 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd()
222 		page = brd_lookup_page(brd, sector);  in copy_to_brd()
235 			sector_t sector, size_t n)  in copy_from_brd()  argument
239 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_from_brd()
243 	page = brd_lookup_page(brd, sector);  in copy_from_brd()
253 		sector += copy >> SECTOR_SHIFT;  in copy_from_brd()
255 		page = brd_lookup_page(brd, sector);  in copy_from_brd()
270 			sector_t sector)  in brd_do_bvec()  argument
276 		err = copy_to_brd_setup(brd, sector, len);  in brd_do_bvec()
283 		copy_from_brd(mem + off, brd, sector, len);  in brd_do_bvec()
287 		copy_to_brd(brd, mem + off, sector, len);  in brd_do_bvec()
299 	sector_t sector;  in brd_make_request()  local
302 	sector = bio->bi_iter.bi_sector;  in brd_make_request()
311 					op_is_write(bio_op(bio)), sector);  in brd_make_request()
314 		sector += len >> SECTOR_SHIFT;  in brd_make_request()
324 static int brd_rw_page(struct block_device *bdev, sector_t sector,  in brd_rw_page()  argument
332 	err = brd_do_bvec(brd, page, PAGE_SIZE, 0, is_write, sector);  in brd_rw_page()