Lines Matching refs:bio
7 #include <linux/bio.h>
13 struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp)
15 struct bio *new = bio_alloc(gfp, nr_pages);
17 if (bio) {
18 bio_chain(bio, new);
19 submit_bio(bio);
27 struct bio **biop)
30 struct bio *bio = *biop;
78 * Check whether the discard bio starts at a discard_granularity
81 * bi_size of the first split bio, then the second bio will
84 * possible bi_size of the first split bio. Then when this bio
97 bio = blk_next_bio(bio, 0, gfp_mask);
98 bio->bi_iter.bi_sector = sector;
99 bio_set_dev(bio, bdev);
100 bio_set_op_attrs(bio, op, 0);
102 bio->bi_iter.bi_size = req_sects << 9;
115 *biop = bio;
134 struct bio *bio = NULL;
140 &bio);
141 if (!ret && bio) {
142 ret = submit_bio_wait(bio);
145 bio_put(bio);
160 * @biop: pointer to anchor bio
167 struct bio **biop)
171 struct bio *bio = *biop;
191 bio = blk_next_bio(bio, 1, gfp_mask);
192 bio->bi_iter.bi_sector = sector;
193 bio_set_dev(bio, bdev);
194 bio->bi_vcnt = 1;
195 bio->bi_io_vec->bv_page = page;
196 bio->bi_io_vec->bv_offset = 0;
197 bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev);
198 bio_set_op_attrs(bio, REQ_OP_WRITE_SAME, 0);
201 bio->bi_iter.bi_size = max_write_same_sectors << 9;
205 bio->bi_iter.bi_size = nr_sects << 9;
211 *biop = bio;
230 struct bio *bio = NULL;
236 &bio);
237 if (ret == 0 && bio) {
238 ret = submit_bio_wait(bio);
239 bio_put(bio);
248 struct bio **biop, unsigned flags)
250 struct bio *bio = *biop;
267 bio = blk_next_bio(bio, 0, gfp_mask);
268 bio->bi_iter.bi_sector = sector;
269 bio_set_dev(bio, bdev);
270 bio->bi_opf = REQ_OP_WRITE_ZEROES;
272 bio->bi_opf |= REQ_NOUNMAP;
275 bio->bi_iter.bi_size = max_write_zeroes_sectors << 9;
279 bio->bi_iter.bi_size = nr_sects << 9;
285 *biop = bio;
304 struct bio **biop)
307 struct bio *bio = *biop;
318 bio = blk_next_bio(bio, __blkdev_sectors_to_bio_pages(nr_sects),
320 bio->bi_iter.bi_sector = sector;
321 bio_set_dev(bio, bdev);
322 bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
326 bi_size = bio_add_page(bio, ZERO_PAGE(0), sz, 0);
335 *biop = bio;
345 * @biop: pointer to anchor bio
359 sector_t nr_sects, gfp_t gfp_mask, struct bio **biop,
397 struct bio *bio;
406 bio = NULL;
410 gfp_mask, &bio, flags);
413 gfp_mask, &bio);
418 if (ret == 0 && bio) {
419 ret = submit_bio_wait(bio);
420 bio_put(bio);