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From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	Ping Fan Liu <pingfank@linux.vnet.ibm.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v4 02/17] dataplane/virtio-blk: check exit conditions before aio_poll()
Date: Thu, 27 Jun 2013 15:14:12 +0200	[thread overview]
Message-ID: <51CC3AA4.4020904@redhat.com> (raw)
In-Reply-To: <1371210243-6099-3-git-send-email-stefanha@redhat.com>

Il 14/06/2013 13:43, Stefan Hajnoczi ha scritto:
> Check exit conditions before entering blocking aio_poll().  This is
> mainly for consistency since it's unlikely that we are stopping in the
> first event loop iteration.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  hw/block/dataplane/virtio-blk.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
> index 0356665..0509d3f 100644
> --- a/hw/block/dataplane/virtio-blk.c
> +++ b/hw/block/dataplane/virtio-blk.c
> @@ -379,9 +379,9 @@ static void *data_plane_thread(void *opaque)
>  {
>      VirtIOBlockDataPlane *s = opaque;
>  
> -    do {
> +    while (!s->stopping || s->num_reqs > 0) {
>          aio_poll(s->ctx, true);
> -    } while (!s->stopping || s->num_reqs > 0);
> +    }
>      return NULL;
>  }
>  
> 

ACK

Paolo

  reply	other threads:[~2013-06-27 13:14 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-14 11:43 [Qemu-devel] [PATCH v4 00/17] aio: drop io_flush() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 01/17] block: stop relying on io_flush() in bdrv_drain_all() Stefan Hajnoczi
2013-06-27 13:13   ` Paolo Bonzini
2013-06-27 13:29     ` Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 02/17] dataplane/virtio-blk: check exit conditions before aio_poll() Stefan Hajnoczi
2013-06-27 13:14   ` Paolo Bonzini [this message]
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 03/17] tests: adjust test-aio to new aio_poll() semantics Stefan Hajnoczi
2013-06-27 13:15   ` Paolo Bonzini
2013-06-27 13:28   ` Paolo Bonzini
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 04/17] tests: adjust test-thread-pool " Stefan Hajnoczi
2013-06-27 13:16   ` Paolo Bonzini
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 05/17] aio: stop using .io_flush() Stefan Hajnoczi
2013-06-27 13:19   ` Paolo Bonzini
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 06/17] block/curl: drop curl_aio_flush() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 07/17] block/gluster: drop qemu_gluster_aio_flush_cb() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 08/17] block/iscsi: drop iscsi_process_flush() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 09/17] block/linux-aio: drop qemu_laio_completion_cb() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 10/17] block/nbd: drop nbd_have_request() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 11/17] block/rbd: drop qemu_rbd_aio_flush_cb() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 12/17] block/sheepdog: drop have_co_req() and aio_flush_request() Stefan Hajnoczi
2013-06-14 11:43 ` [Qemu-devel] [PATCH v4 13/17] block/ssh: drop return_true() Stefan Hajnoczi
2013-06-14 11:44 ` [Qemu-devel] [PATCH v4 14/17] dataplane/virtio-blk: drop flush_true() and flush_io() Stefan Hajnoczi
2013-06-14 11:44 ` [Qemu-devel] [PATCH v4 15/17] thread-pool: drop thread_pool_active() Stefan Hajnoczi
2013-06-14 11:44 ` [Qemu-devel] [PATCH v4 16/17] tests: drop event_active_cb() Stefan Hajnoczi
2013-06-27 13:20   ` Paolo Bonzini
2013-06-14 11:44 ` [Qemu-devel] [PATCH v4 17/17] aio: drop io_flush argument Stefan Hajnoczi
2013-06-27 13:21   ` Paolo Bonzini
2013-06-27 12:23 ` [Qemu-devel] [PATCH v4 00/17] aio: drop io_flush() Stefan Hajnoczi
2013-06-27 13:22 ` Paolo Bonzini

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