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aoe: use bvec_kmap_local in bvcpy

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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>
Link: https://lore.kernel.org/r/20220303111905.321089-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-03-03 14:18:57 +03:00 committed by Jens Axboe
parent 143a70b8b4
commit b7ab4611b6
1 changed files with 2 additions and 2 deletions
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4
drivers/block/aoe/aoecmd.c
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@ -1018,9 +1018,9 @@ 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);
kunmap_local(p);
soff += bv.bv_len;
}
}