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From: Anton Ivanov <anton.ivanov@cambridgegreys.com>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
Cc: Richard Weinberger <richard@nod.at>,
	Geoff Levand <geoff@infradead.org>,
	Ilya Dryomov <idryomov@gmail.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>, Song Liu <song@kernel.org>,
	Mike Snitzer <snitzer@redhat.com>, Coly Li <colyli@suse.de>,
	Stefan Haberland <sth@linux.ibm.com>,
	Jan Hoeppner <hoeppner@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Phillip Lougher <phillip@squashfs.org.uk>,
	linux-block@vger.kernel.org, dm-devel@redhat.com,
	linux-um@lists.infradead.org, ceph-devel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org,
	linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH 11/15] ubd: use bvec_virt
Date: Wed, 4 Aug 2021 11:10:00 +0100	[thread overview]
Message-ID: <0abadeca-d0fc-26ad-088e-2b137a029957@cambridgegreys.com> (raw)
In-Reply-To: <20210804095634.460779-12-hch@lst.de>



On 04/08/2021 10:56, Christoph Hellwig wrote:
> Use bvec_virt instead of open coding it.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>   arch/um/drivers/ubd_kern.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
> index e497185dd393..cd9dc0556e91 100644
> --- a/arch/um/drivers/ubd_kern.c
> +++ b/arch/um/drivers/ubd_kern.c
> @@ -1268,8 +1268,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req,
>   		rq_for_each_segment(bvec, req, iter) {
>   			BUG_ON(i >= io_req->desc_cnt);
>   
> -			io_req->io_desc[i].buffer =
> -				page_address(bvec.bv_page) + bvec.bv_offset;
> +			io_req->io_desc[i].buffer = bvec_virt(&bvec);
>   			io_req->io_desc[i].length = bvec.bv_len;
>   			i++;
>   		}
> 
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>

-- 
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/

  reply	other threads:[~2021-08-04 10:11 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-04  9:56 add a bvec_virt helper Christoph Hellwig
2021-08-04  9:56 ` [PATCH 01/15] bvec: " Christoph Hellwig
2021-08-05  6:19   ` Chaitanya Kulkarni
2021-08-06  2:38   ` Martin K. Petersen
2021-08-04  9:56 ` [PATCH 02/15] block: use bvec_virt in bio_integrity_{process,free} Christoph Hellwig
2021-08-05  6:19   ` Chaitanya Kulkarni
2021-08-06  2:38   ` Martin K. Petersen
2021-08-04  9:56 ` [PATCH 03/15] dm: make EBS depend on !HIGHMEM Christoph Hellwig
2021-08-04  9:56 ` [PATCH 04/15] dm-ebs: use bvec_virt Christoph Hellwig
2021-08-04  9:56 ` [PATCH 05/15] dm-integrity: " Christoph Hellwig
2021-08-04  9:56 ` [PATCH 06/15] squashfs: " Christoph Hellwig
2021-08-04  9:56 ` [PATCH 07/15] rbd: " Christoph Hellwig
2021-08-05 12:01   ` Jeff Layton
2021-08-04  9:56 ` [PATCH 08/15] virtio_blk: " Christoph Hellwig
2021-08-05 14:17   ` Stefan Hajnoczi
2021-08-04  9:56 ` [PATCH 09/15] bcache: " Christoph Hellwig
2021-08-04 17:05   ` Coly Li
2021-08-04  9:56 ` [PATCH 10/15] sd: " Christoph Hellwig
2021-08-05 16:31   ` [dm-devel] " Bart Van Assche
2021-08-06  2:43   ` Martin K. Petersen
2021-08-04  9:56 ` [PATCH 11/15] ubd: " Christoph Hellwig
2021-08-04 10:10   ` Anton Ivanov [this message]
2021-08-04  9:56 ` [PATCH 12/15] ps3vram: " Christoph Hellwig
2021-08-04  9:56 ` [PATCH 13/15] dasd: " Christoph Hellwig
2021-08-04 20:20   ` Stefan Haberland
2021-08-04  9:56 ` [PATCH 14/15] dcssblk: " Christoph Hellwig
2021-08-04  9:56 ` [PATCH 15/15] nvme: " Christoph Hellwig
2021-08-04 14:33   ` Keith Busch
2021-08-16 12:38 ` add a bvec_virt helper Christoph Hellwig
2021-08-16 16:51 ` Jens Axboe

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