[PATCH 05/15] dm-integrity: use bvec_virt

Christoph Hellwig
2021-08-04T10:03:03Z

Use bvec_virt instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/md/dm-integrity.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 20f2510db1f6..a9ea361769a7 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -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
--
2.30.2