linux-kernel - Re: [PATCH v2 1/5] virtio: add functions for piecewise addition of buffers

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Message-ID: <20121219104722.GA5832@stefanha-thinkpad.redhat.com>
Date:	Wed, 19 Dec 2012 11:47:22 +0100
From:	Stefan Hajnoczi <stefanha@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	gaowanlong@...fujitsu.com, hutao@...fujitsu.com,
	linux-scsi@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, mst@...hat.com,
	rusty@...tcorp.com.au, asias@...hat.com, nab@...ux-iscsi.org
Subject: Re: [PATCH v2 1/5] virtio: add functions for piecewise addition of
 buffers

On Tue, Dec 18, 2012 at 01:32:48PM +0100, Paolo Bonzini wrote:
> +/**
> + * virtqueue_start_buf - start building buffer for the other end
> + * @vq: the struct virtqueue we're talking about.
> + * @buf: a struct keeping the state of the buffer
> + * @data: the token identifying the buffer.
> + * @count: the number of buffers that will be added

Perhaps count should be named count_bufs or num_bufs.

> + * @count_sg: the number of sg lists that will be added

What is the purpose of count_sg?

Stefan
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