13 static sector_t bio_discard_limit(struct block_device *bdev, sector_t sector)  in bio_discard_limit()
16 	sector_t granularity_aligned_sector;  in bio_discard_limit()
39 		sector_t *sector, sector_t *nr_sects, gfp_t gfp_mask)  in blk_alloc_discard_bio()
41 	sector_t bio_sects = min(*nr_sects, bio_discard_limit(bdev, *sector));  in blk_alloc_discard_bio()
63 int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,  in __blkdev_issue_discard()
64 		sector_t nr_sects, gfp_t gfp_mask, struct bio **biop)  in __blkdev_issue_discard()
85 int blkdev_issue_discard(struct block_device *bdev, sector_t sector,  in blkdev_issue_discard()
86 		sector_t nr_sects, gfp_t gfp_mask)  in blkdev_issue_discard()
106 static sector_t bio_write_zeroes_limit(struct block_device *bdev)  in bio_write_zeroes_limit()
108 	sector_t bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in bio_write_zeroes_limit()
122 		sector_t sector, sector_t nr_sects, gfp_t gfp_mask,  in __blkdev_issue_write_zeroes()
123 		struct bio **biop, unsigned flags, sector_t limit)  in __blkdev_issue_write_zeroes()
148 static int blkdev_issue_write_zeroes(struct block_device *bdev, sector_t sector,  in blkdev_issue_write_zeroes()
149 		sector_t nr_sects, gfp_t gfp, unsigned flags)  in blkdev_issue_write_zeroes()
151 	sector_t limit = bio_write_zeroes_limit(bdev);  in blkdev_issue_write_zeroes()
188 static unsigned int __blkdev_sectors_to_bio_pages(sector_t nr_sects)  in __blkdev_sectors_to_bio_pages()
190 	sector_t pages = DIV_ROUND_UP_SECTOR_T(nr_sects, PAGE_SIZE / 512);  in __blkdev_sectors_to_bio_pages()
192 	return min(pages, (sector_t)BIO_MAX_VECS);  in __blkdev_sectors_to_bio_pages()
196 		sector_t sector, sector_t nr_sects, gfp_t gfp_mask,  in __blkdev_issue_zero_pages()
213 			len = min_t(sector_t,  in __blkdev_issue_zero_pages()
227 static int blkdev_issue_zero_pages(struct block_device *bdev, sector_t sector,  in blkdev_issue_zero_pages()
228 		sector_t nr_sects, gfp_t gfp, unsigned flags)  in blkdev_issue_zero_pages()
273 int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,  in __blkdev_issue_zeroout()
274 		sector_t nr_sects, gfp_t gfp_mask, struct bio **biop,  in __blkdev_issue_zeroout()
277 	sector_t limit = bio_write_zeroes_limit(bdev);  in __blkdev_issue_zeroout()
308 int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,  in blkdev_issue_zeroout()
309 		sector_t nr_sects, gfp_t gfp_mask, unsigned flags)  in blkdev_issue_zeroout()
329 int blkdev_issue_secure_erase(struct block_device *bdev, sector_t sector,  in blkdev_issue_secure_erase()
330 		sector_t nr_sects, gfp_t gfp)  in blkdev_issue_secure_erase()
332 	sector_t bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1;  in blkdev_issue_secure_erase()
352 		unsigned int len = min_t(sector_t, nr_sects, max_sectors);  in blkdev_issue_secure_erase()