18 static void bio_batch_end_io(struct bio *bio)  in bio_batch_end_io()  argument
20 	struct bio_batch *bb = bio->bi_private;  in bio_batch_end_io()
22 	if (bio->bi_error && bio->bi_error != -EOPNOTSUPP)  in bio_batch_end_io()
23 		bb->error = bio->bi_error;  in bio_batch_end_io()
26 	bio_put(bio);  in bio_batch_end_io()
49 	struct bio *bio;  in blkdev_issue_discard()  local
78 		bio = bio_alloc(gfp_mask, 1);  in blkdev_issue_discard()
79 		if (!bio) {  in blkdev_issue_discard()
101 		bio->bi_iter.bi_sector = sector;  in blkdev_issue_discard()
102 		bio->bi_end_io = bio_batch_end_io;  in blkdev_issue_discard()
103 		bio->bi_bdev = bdev;  in blkdev_issue_discard()
104 		bio->bi_private = &bb;  in blkdev_issue_discard()
106 		bio->bi_iter.bi_size = req_sects << 9;  in blkdev_issue_discard()
111 		submit_bio(type, bio);  in blkdev_issue_discard()
152 	struct bio *bio;  in blkdev_issue_write_same()  local
166 		bio = bio_alloc(gfp_mask, 1);  in blkdev_issue_write_same()
167 		if (!bio) {  in blkdev_issue_write_same()
172 		bio->bi_iter.bi_sector = sector;  in blkdev_issue_write_same()
173 		bio->bi_end_io = bio_batch_end_io;  in blkdev_issue_write_same()
174 		bio->bi_bdev = bdev;  in blkdev_issue_write_same()
175 		bio->bi_private = &bb;  in blkdev_issue_write_same()
176 		bio->bi_vcnt = 1;  in blkdev_issue_write_same()
177 		bio->bi_io_vec->bv_page = page;  in blkdev_issue_write_same()
178 		bio->bi_io_vec->bv_offset = 0;  in blkdev_issue_write_same()
179 		bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev);  in blkdev_issue_write_same()
182 			bio->bi_iter.bi_size = max_write_same_sectors << 9;  in blkdev_issue_write_same()
186 			bio->bi_iter.bi_size = nr_sects << 9;  in blkdev_issue_write_same()
191 		submit_bio(REQ_WRITE | REQ_WRITE_SAME, bio);  in blkdev_issue_write_same()
219 	struct bio *bio;  in __blkdev_issue_zeroout()  local
230 		bio = bio_alloc(gfp_mask,  in __blkdev_issue_zeroout()
232 		if (!bio) {  in __blkdev_issue_zeroout()
237 		bio->bi_iter.bi_sector = sector;  in __blkdev_issue_zeroout()
238 		bio->bi_bdev   = bdev;  in __blkdev_issue_zeroout()
239 		bio->bi_end_io = bio_batch_end_io;  in __blkdev_issue_zeroout()
240 		bio->bi_private = &bb;  in __blkdev_issue_zeroout()
244 			ret = bio_add_page(bio, ZERO_PAGE(0), sz << 9, 0);  in __blkdev_issue_zeroout()
252 		submit_bio(WRITE, bio);  in __blkdev_issue_zeroout()