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virtio_blk: use bvec_virt

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Use bvec_virt instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/20210804095634.460779-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-08-04 11:56:27 +02:00 committed by Jens Axboe
parent cf58b53778
commit 358b348b91
1 changed files with 2 additions and 5 deletions
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7
drivers/block/virtio_blk.c
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@ -166,11 +166,8 @@ static inline void virtblk_request_done(struct request *req)
{
struct virtblk_req *vbr = blk_mq_rq_to_pdu(req);
if (req->rq_flags & RQF_SPECIAL_PAYLOAD) {
kfree(page_address(req->special_vec.bv_page) +
req->special_vec.bv_offset);
}
if (req->rq_flags & RQF_SPECIAL_PAYLOAD)
kfree(bvec_virt(&req->special_vec));
blk_mq_end_request(req, virtblk_result(vbr));
}