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From: Eric Blake <eblake@redhat.com>
To: "Benoît Canet" <benoit@irqsave.net>
Cc: kwolf@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org,
	stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 06/11] quorum: Add quorum_co_flush().
Date: Tue, 23 Oct 2012 09:37:21 -0600	[thread overview]
Message-ID: <5086B9B1.1090901@redhat.com> (raw)
In-Reply-To: <1350995029-29128-7-git-send-email-benoit@irqsave.net>

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On 10/23/2012 06:23 AM, Benoît Canet wrote:
> Signed-off-by: Benoit Canet <benoit@irqsave.net>
> ---
>  block/quorum.c |   13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/block/quorum.c b/block/quorum.c
> index 878d930..1b40081 100644
> --- a/block/quorum.c
> +++ b/block/quorum.c
> @@ -281,6 +281,18 @@ static BlockDriverAIOCB *quorum_aio_writev(BlockDriverState *bs,
>      return &acb->common;
>  }
>  
> +static coroutine_fn int quorum_co_flush(BlockDriverState *bs)
> +{
> +    BDRVQuorumState *s = bs->opaque;
> +    int i;
> +
> +    for (i = 0; i < s->total; i++) {
> +        bdrv_co_flush(s->bs[i]);

What if any of the individual flush calls return non-zero?

> +    }
> +
> +    return 0;

Shouldn't you then do likewise?

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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  reply	other threads:[~2012-10-23 15:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-23 12:23 [Qemu-devel] [PATCH 00/11] Quorum disk image corruption resiliency Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 01/11] quorum: Create quorum.c, add QuorumSingleAIOCB and QuorumAIOCB Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 02/11] quorum: Create BDRVQuorumState and BlkDriver and do init Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 03/11] quorum: Add quorum_open() and quorum_close() Benoît Canet
2012-10-23 15:32   ` Eric Blake
2012-10-23 12:23 ` [Qemu-devel] [PATCH 04/11] quorum: Add quorum_aio_writev and its dependencies Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 05/11] blkverify: Extract qemu_iovec_clone() and qemu_iovec_compare() from blkverify Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 06/11] quorum: Add quorum_co_flush() Benoît Canet
2012-10-23 15:37   ` Eric Blake [this message]
2012-10-23 12:23 ` [Qemu-devel] [PATCH 07/11] quorum: Add quorum_aio_readv Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 08/11] quorum: Add quorum mechanism Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 09/11] quorum: Add quorum_getlength() Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 10/11] quorum: Add quorum_invalidate_cache() Benoît Canet
2012-10-23 12:23 ` [Qemu-devel] [PATCH 11/11] quorum: Add quorum_co_is_allocated Benoît Canet

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