From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Nicholas A. Bellinger" <nab@daterainc.com>
Cc: target-devel <target-devel@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
kvm-devel <kvm@vger.kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Al Viro <viro@ZenIV.linux.org.uk>, Christoph Hellwig <hch@lst.de>,
Nicholas Bellinger <nab@linux-iscsi.org>
Subject: Re: [PATCH-v3 5/9] vhost/scsi: Add ANY_LAYOUT vhost_virtqueue callback
Date: Tue, 3 Feb 2015 16:22:20 +0100 [thread overview]
Message-ID: <20150203152220.GA9063@redhat.com> (raw)
In-Reply-To: <1422945003-24538-6-git-send-email-nab@daterainc.com>
> + * copy_from_iter() is modifying the iovecs as copies over
> + * req_size bytes into req, so the returned out_iter.iov[0]
> + * will contain the correct start + offset of the outgoing
> + * WRITE payload, if DMA_TO_DEVICE is set.
> + */
Does it, in fact, do this?
I thought so too, but Al Viro corrected me that it's
not supposed to.
--
MST
next prev parent reply other threads:[~2015-02-03 15:22 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 6:29 [PATCH-v3 0/9] vhost/scsi: Add ANY_LAYOUT + VERSION_1 support Nicholas A. Bellinger
2015-02-03 6:29 ` [PATCH-v3 1/9] vhost/scsi: Convert completion path to use copy_to_iser Nicholas A. Bellinger
2015-02-03 9:24 ` Michael S. Tsirkin
2015-02-04 8:47 ` Nicholas A. Bellinger
2015-02-03 6:29 ` [PATCH-v3 2/9] vhost/scsi: Fix incorrect early vhost_scsi_handle_vq failures Nicholas A. Bellinger
2015-02-03 6:29 ` [PATCH-v3 3/9] vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len Nicholas A. Bellinger
2015-02-03 6:29 ` [PATCH-v3 4/9] vhost/scsi: Add ANY_LAYOUT iov -> sgl mapping prerequisites Nicholas A. Bellinger
2015-02-03 9:32 ` Michael S. Tsirkin
2015-02-04 8:48 ` Nicholas A. Bellinger
2015-02-03 6:29 ` [PATCH-v3 5/9] vhost/scsi: Add ANY_LAYOUT vhost_virtqueue callback Nicholas A. Bellinger
2015-02-03 10:14 ` Michael S. Tsirkin
2015-02-04 9:40 ` Nicholas A. Bellinger
2015-02-04 9:42 ` Michael S. Tsirkin
2015-02-04 10:41 ` Nicholas A. Bellinger
2015-02-04 10:55 ` Nicholas A. Bellinger
2015-02-04 13:16 ` Michael S. Tsirkin
2015-02-04 13:13 ` Michael S. Tsirkin
2015-02-04 13:15 ` Michael S. Tsirkin
2015-02-03 15:22 ` Michael S. Tsirkin [this message]
2015-02-03 23:56 ` Al Viro
2015-02-04 7:14 ` Michael S. Tsirkin
2015-02-04 10:11 ` Nicholas A. Bellinger
2015-02-04 10:20 ` Michael S. Tsirkin
2015-02-04 10:41 ` Nicholas A. Bellinger
2015-02-03 6:30 ` [PATCH-v3 6/9] vhost/scsi: Set VIRTIO_F_ANY_LAYOUT + VIRTIO_F_VERSION_1 feature bits Nicholas A. Bellinger
2015-02-03 9:40 ` Michael S. Tsirkin
2015-02-04 9:13 ` Nicholas A. Bellinger
2015-02-04 9:34 ` Michael S. Tsirkin
2015-02-03 6:30 ` [PATCH-v3 7/9] vhost/scsi: Drop legacy pre virtio v1.0 !ANY_LAYOUT logic Nicholas A. Bellinger
2015-02-03 9:37 ` Michael S. Tsirkin
2015-02-04 9:03 ` Nicholas A. Bellinger
2015-02-03 6:30 ` [PATCH-v3 8/9] vhost/scsi: Drop left-over scsi_tcq.h include Nicholas A. Bellinger
2015-02-03 9:38 ` Michael S. Tsirkin
2015-02-03 6:30 ` [PATCH-v3 9/9] vhost/scsi: Global tcm_vhost -> vhost_scsi rename Nicholas A. Bellinger
2015-02-03 9:38 ` Michael S. Tsirkin
2015-02-03 9:35 ` [PATCH-v3 0/9] vhost/scsi: Add ANY_LAYOUT + VERSION_1 support Michael S. Tsirkin
2015-02-04 8:51 ` Nicholas A. Bellinger
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