13 static sector_t bio_discard_limit(struct block_device *bdev, sector_t sector)  in bio_discard_limit()  argument
15 	unsigned int discard_granularity = bdev_discard_granularity(bdev);  in bio_discard_limit()
18 	if (bdev_is_partition(bdev))  in bio_discard_limit()
19 		sector += bdev->bd_start_sect;  in bio_discard_limit()
38 int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,  in __blkdev_issue_discard()  argument
44 	if (bdev_read_only(bdev))  in __blkdev_issue_discard()
46 	if (!bdev_max_discard_sectors(bdev))  in __blkdev_issue_discard()
50 	if (WARN_ON_ONCE(!bdev_discard_granularity(bdev))) {  in __blkdev_issue_discard()
52 				   bdev);  in __blkdev_issue_discard()
56 	bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in __blkdev_issue_discard()
65 			min(nr_sects, bio_discard_limit(bdev, sector));  in __blkdev_issue_discard()
67 		bio = blk_next_bio(bio, bdev, 0, REQ_OP_DISCARD, gfp_mask);  in __blkdev_issue_discard()
97 int blkdev_issue_discard(struct block_device *bdev, sector_t sector,  in blkdev_issue_discard()  argument
105 	ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, &bio);  in blkdev_issue_discard()
118 static int __blkdev_issue_write_zeroes(struct block_device *bdev,  in __blkdev_issue_write_zeroes()  argument
125 	if (bdev_read_only(bdev))  in __blkdev_issue_write_zeroes()
129 	max_write_zeroes_sectors = bdev_write_zeroes_sectors(bdev);  in __blkdev_issue_write_zeroes()
135 		bio = blk_next_bio(bio, bdev, 0, REQ_OP_WRITE_ZEROES, gfp_mask);  in __blkdev_issue_write_zeroes()
168 static int __blkdev_issue_zero_pages(struct block_device *bdev,  in __blkdev_issue_zero_pages()  argument
176 	if (bdev_read_only(bdev))  in __blkdev_issue_zero_pages()
180 		bio = blk_next_bio(bio, bdev, __blkdev_sectors_to_bio_pages(nr_sects),  in __blkdev_issue_zero_pages()
218 int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,  in __blkdev_issue_zeroout()  argument
225 	bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in __blkdev_issue_zeroout()
229 	ret = __blkdev_issue_write_zeroes(bdev, sector, nr_sects, gfp_mask,  in __blkdev_issue_zeroout()
234 	return __blkdev_issue_zero_pages(bdev, sector, nr_sects, gfp_mask,  in __blkdev_issue_zeroout()
252 int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,  in blkdev_issue_zeroout()  argument
259 	bool try_write_zeroes = !!bdev_write_zeroes_sectors(bdev);  in blkdev_issue_zeroout()
261 	bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in blkdev_issue_zeroout()
269 		ret = __blkdev_issue_write_zeroes(bdev, sector, nr_sects,  in blkdev_issue_zeroout()
272 		ret = __blkdev_issue_zero_pages(bdev, sector, nr_sects,  in blkdev_issue_zeroout()
288 		if (!bdev_write_zeroes_sectors(bdev)) {  in blkdev_issue_zeroout()
303 int blkdev_issue_secure_erase(struct block_device *bdev, sector_t sector,  in blkdev_issue_secure_erase()  argument
306 	sector_t bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in blkdev_issue_secure_erase()
307 	unsigned int max_sectors = bdev_max_secure_erase_sectors(bdev);  in blkdev_issue_secure_erase()
321 	if (bdev_read_only(bdev))  in blkdev_issue_secure_erase()
328 		bio = blk_next_bio(bio, bdev, 0, REQ_OP_SECURE_ERASE, gfp);  in blkdev_issue_secure_erase()