[PATCH 02/10] aoe: use bvec_kmap_local in bvcpy

Christoph Hellwig
2022-02-22T15:52:54Z

Using local kmaps slightly reduces the chances to stray writes, and
the bvec interface cleans up the code a little bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/block/aoe/aoecmd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index cc11f89a0928f..093996961d452 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -1018,7 +1018,7 @@ bvcpy(struct sk_buff *skb, struct bio *bio, struct bvec_iter iter, long cnt)
iter.bi_size = cnt;

__bio_for_each_segment(bv, bio, iter, iter) {
- char *p = kmap_atomic(bv.bv_page) + bv.bv_offset;
+ char *p = bvec_kmap_local(&bv);
skb_copy_bits(skb, soff, p, bv.bv_len);
kunmap_atomic(p);
soff += bv.bv_len;
--
2.30.2