Lines Matching refs:map_data
130 static int bio_copy_user_iov(struct request *rq, struct rq_map_data *map_data, in bio_copy_user_iov() argument
139 unsigned int offset = map_data ? offset_in_page(map_data->offset) : 0; in bio_copy_user_iov()
150 bmd->is_our_pages = !map_data; in bio_copy_user_iov()
151 bmd->is_null_mapped = (map_data && map_data->null_mapped); in bio_copy_user_iov()
163 if (map_data) { in bio_copy_user_iov()
164 nr_pages = 1 << map_data->page_order; in bio_copy_user_iov()
165 i = map_data->offset / PAGE_SIZE; in bio_copy_user_iov()
175 if (map_data) { in bio_copy_user_iov()
176 if (i == map_data->nr_entries * nr_pages) { in bio_copy_user_iov()
181 page = map_data->pages[i / nr_pages]; in bio_copy_user_iov()
194 if (!map_data) in bio_copy_user_iov()
203 if (map_data) in bio_copy_user_iov()
204 map_data->offset += bio->bi_iter.bi_size; in bio_copy_user_iov()
210 (!map_data || !map_data->null_mapped)) || in bio_copy_user_iov()
211 (map_data && map_data->from_user)) { in bio_copy_user_iov()
235 if (!map_data) in bio_copy_user_iov()
579 struct rq_map_data *map_data, in blk_rq_map_user_iov() argument
591 if (map_data) in blk_rq_map_user_iov()
601 ret = bio_copy_user_iov(rq, map_data, &i, gfp_mask); in blk_rq_map_user_iov()
621 struct rq_map_data *map_data, void __user *ubuf, in blk_rq_map_user() argument
631 return blk_rq_map_user_iov(q, rq, map_data, &i, gfp_mask); in blk_rq_map_user()