Commit 964cacfd authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

dm-integrity: use bvec_virt 



Use bvec_virt instead of open coding it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210804095634.460779-6-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3a8ba33b

drivers/md/dm-integrity.c

+2 −2
Original line number Diff line number Diff line
@@ -1819,7 +1819,7 @@ static void integrity_metadata(struct work_struct *w) 
				unsigned this_len;



				BUG_ON(PageHighMem(biv.bv_page));

				tag = lowmem_page_address(biv.bv_page) + biv.bv_offset;

				tag = bvec_virt(&biv);

				this_len = min(biv.bv_len, data_to_process);

				r = dm_integrity_rw_tag(ic, tag, &dio->metadata_block, &dio->metadata_offset,

							this_len, dio->op == REQ_OP_READ ? TAG_READ : TAG_WRITE);
@@ -2006,7 +2006,7 @@ static bool __journal_read_write(struct dm_integrity_io *dio, struct bio *bio, 
					unsigned tag_now = min(biv.bv_len, tag_todo);

					char *tag_addr;

					BUG_ON(PageHighMem(biv.bv_page));

					tag_addr = lowmem_page_address(biv.bv_page) + biv.bv_offset;

					tag_addr = bvec_virt(&biv);

					if (likely(dio->op == REQ_OP_WRITE))

						memcpy(tag_ptr, tag_addr, tag_now);

					else