49 static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector)  in brd_lookup_page()  argument
52 	XA_STATE(xas, &brd->brd_pages, sector >> PAGE_SECTORS_SHIFT);  in brd_lookup_page()
85 static struct page *brd_insert_page(struct brd_device *brd, sector_t sector,  in brd_insert_page()  argument
96 	ret = __xa_cmpxchg(&brd->brd_pages, sector >> PAGE_SECTORS_SHIFT, NULL,  in brd_insert_page()
141 	sector_t sector = bio->bi_iter.bi_sector;  in brd_rw_bvec()  local
142 	u32 offset = (sector & (PAGE_SECTORS - 1)) << SECTOR_SHIFT;  in brd_rw_bvec()
149 	page = brd_lookup_page(brd, sector);  in brd_rw_bvec()
151 		page = brd_insert_page(brd, sector, opf);  in brd_rw_bvec()
180 static void brd_do_discard(struct brd_device *brd, sector_t sector, u32 size)  in brd_do_discard()  argument
182 	sector_t aligned_sector = round_up(sector, PAGE_SECTORS);  in brd_do_discard()
184 			sector + (size >> SECTOR_SHIFT), PAGE_SECTORS);  in brd_do_discard()