From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
dkoch@cloudswitch.com, "Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org, Michael Roth <mdroth@linux.vnet.ibm.com>,
Blue Swirl <blauwirbel@gmail.com>,
khoa@us.ibm.com, Asias He <asias@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3 09/12] iov: add iov_get_ptr() to reference vector data
Date: Thu, 22 Nov 2012 13:15:36 +0100 [thread overview]
Message-ID: <50AE1768.4010604@redhat.com> (raw)
In-Reply-To: <20121122115823.GA13571@stefanha-thinkpad.redhat.com>
Il 22/11/2012 12:58, Stefan Hajnoczi ha scritto:
> Then we can pass the iovec[] array straight to
> the Linux AIO functions.
>
> Since I knew the inhdr is only 1 byte I decided against doing something
> like dynamically allocating/freeing a QEMUIOVector which could handle
> spanning iovecs.
Long-term we want anyway a QEMUIOVector, to pass it to block functions.
Can you introduce qemu_iovec_concat_iov that takes an iov/niov pair
instead of the source QEMUIOVector? That should do quite nicely.
Paolo
next prev parent reply other threads:[~2012-11-22 12:15 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-21 18:32 [Qemu-devel] [PATCH v3 00/12] virtio: virtio-blk data plane Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 01/12] raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 02/12] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 03/12] dataplane: add host memory mapping code Stefan Hajnoczi
2012-11-26 14:46 ` Don Koch
2012-11-26 15:36 ` Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 04/12] dataplane: add virtqueue vring code Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 05/12] dataplane: add event loop Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 06/12] dataplane: add Linux AIO request queue Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 07/12] iov: add iov_discard() to remove data Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 08/12] test-iov: add iov_discard() testcase Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 09/12] iov: add iov_get_ptr() to reference vector data Stefan Hajnoczi
2012-11-22 9:34 ` Paolo Bonzini
2012-11-22 9:45 ` Michael S. Tsirkin
2012-11-22 9:52 ` Paolo Bonzini
2012-11-22 10:38 ` Michael S. Tsirkin
2012-11-22 10:54 ` Paolo Bonzini
2012-11-22 11:14 ` Michael S. Tsirkin
2012-11-22 11:58 ` Stefan Hajnoczi
2012-11-22 12:15 ` Paolo Bonzini [this message]
2012-11-22 12:35 ` Michael S. Tsirkin
2012-11-22 15:18 ` Stefan Hajnoczi
2012-11-21 18:32 ` [Qemu-devel] [PATCH v3 10/12] test-iov: add iov_get_ptr() test case Stefan Hajnoczi
2012-11-21 18:33 ` [Qemu-devel] [PATCH v3 11/12] dataplane: add virtio-blk data plane code Stefan Hajnoczi
2012-11-21 18:33 ` [Qemu-devel] [PATCH v3 12/12] virtio-blk: add x-data-plane=on|off performance feature Stefan Hajnoczi
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