54 static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector)  in brd_lookup_page()  argument
71 	idx = sector >> PAGE_SECTORS_SHIFT; /* sector to page index */  in brd_lookup_page()
83 static int brd_insert_page(struct brd_device *brd, sector_t sector, gfp_t gfp)  in brd_insert_page()  argument
89 	page = brd_lookup_page(brd, sector);  in brd_insert_page()
103 	idx = sector >> PAGE_SECTORS_SHIFT;  in brd_insert_page()
167 static int copy_to_brd_setup(struct brd_device *brd, sector_t sector, size_t n,  in copy_to_brd_setup()  argument
170 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_to_brd_setup()
175 	ret = brd_insert_page(brd, sector, gfp);  in copy_to_brd_setup()
179 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd_setup()
180 		ret = brd_insert_page(brd, sector, gfp);  in copy_to_brd_setup()
189 			sector_t sector, size_t n)  in copy_to_brd()  argument
193 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_to_brd()
197 	page = brd_lookup_page(brd, sector);  in copy_to_brd()
206 		sector += copy >> SECTOR_SHIFT;  in copy_to_brd()
208 		page = brd_lookup_page(brd, sector);  in copy_to_brd()
221 			sector_t sector, size_t n)  in copy_from_brd()  argument
225 	unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT;  in copy_from_brd()
229 	page = brd_lookup_page(brd, sector);  in copy_from_brd()
239 		sector += copy >> SECTOR_SHIFT;  in copy_from_brd()
241 		page = brd_lookup_page(brd, sector);  in copy_from_brd()
256 			sector_t sector)  in brd_do_bvec()  argument
268 		err = copy_to_brd_setup(brd, sector, len, gfp);  in brd_do_bvec()
275 		copy_from_brd(mem + off, brd, sector, len);  in brd_do_bvec()
279 		copy_to_brd(brd, mem + off, sector, len);  in brd_do_bvec()
290 	sector_t sector = bio->bi_iter.bi_sector;  in brd_submit_bio()  local
303 				  bio->bi_opf, sector);  in brd_submit_bio()
312 		sector += len >> SECTOR_SHIFT;  in brd_submit_bio()
318 static int brd_rw_page(struct block_device *bdev, sector_t sector,  in brd_rw_page()  argument
326 	err = brd_do_bvec(brd, page, PAGE_SIZE, 0, op, sector);  in brd_rw_page()