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From: Paolo Bonzini <pbonzini@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org
Cc: berto@igalia.com, qemu-devel@nongnu.org, mreitz@redhat.com
Subject: Re: [Qemu-devel] [RFC PATCH 0/8] quorum: Implement .bdrv_co_preadv/pwritev()
Date: Fri, 11 Nov 2016 10:56:13 +0100	[thread overview]
Message-ID: <472ab76e-ba47-2c65-2f04-d70c5fb24422@redhat.com> (raw)
In-Reply-To: <1478798349-28983-1-git-send-email-kwolf@redhat.com>



On 10/11/2016 18:19, Kevin Wolf wrote:
> This is part of a series that I'm working on and that aims to remove the
> bdrv_aio_*() emulation in io.c. blkdebug and blkverify were easy, but for
> quorum I need a few more patches, so I'm sending this out as an RFC while I
> continue work on the rest (QED, and then possibly some polishing).
> 
> After the series, quorum doesn't only use the preferred interfaces, but the
> code becomes a little easier to follow and byte granularity requests are
> supported. There is probably still some potential for additional cleanups in a
> follow-up series, but this should already be enough to be worth merging.

Honestly I don't see the point.  It seems easier, more practical and
more effective to convert bdrv_aio_* to byte ranges, especially since
QED would be basically a rewrite.

Paolo

  parent reply	other threads:[~2016-11-11  9:56 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-10 17:19 [Qemu-devel] [RFC PATCH 0/8] quorum: Implement .bdrv_co_preadv/pwritev() Kevin Wolf
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 1/8] coroutine: Introduce qemu_coroutine_enter_if_inactive() Kevin Wolf
2016-11-10 23:49   ` Eric Blake
2016-11-17  9:30   ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 2/8] quorum: Remove s from quorum_aio_get() arguments Kevin Wolf
2016-11-10 23:52   ` Eric Blake
2016-11-11  9:58   ` Paolo Bonzini
2016-11-11 14:18   ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 3/8] quorum: Implement .bdrv_co_readv/writev Kevin Wolf
2016-11-11  1:56   ` Eric Blake
2016-11-16 15:57   ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 4/8] quorum: Do cleanup in caller coroutine Kevin Wolf
2016-11-11  2:18   ` Eric Blake
2016-11-17 10:04   ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 5/8] quorum: Inline quorum_aio_cb() Kevin Wolf
2016-11-17 14:25   ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 6/8] quorum: Avoid bdrv_aio_writev() for rewrites Kevin Wolf
2016-11-11  2:25   ` Eric Blake
2016-11-17 14:54   ` Alberto Garcia
2016-11-18 12:21     ` Kevin Wolf
2016-11-18 12:33       ` Alberto Garcia
2016-11-18 21:11       ` Eric Blake
2016-11-21 11:56         ` Kevin Wolf
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 7/8] quorum: Implement .bdrv_co_preadv/pwritev() Kevin Wolf
2016-11-11  2:37   ` Eric Blake
2016-11-11  9:58     ` Kevin Wolf
2016-11-11 15:08       ` Eric Blake
2016-11-17 15:30       ` Alberto Garcia
2016-11-10 17:19 ` [Qemu-devel] [RFC PATCH 8/8] quorum: Inline quorum_fifo_aio_cb() Kevin Wolf
2016-11-18  9:47   ` Alberto Garcia
2016-11-11  9:56 ` Paolo Bonzini [this message]
2016-11-11 10:22   ` [Qemu-devel] [RFC PATCH 0/8] quorum: Implement .bdrv_co_preadv/pwritev() Kevin Wolf
2016-11-18  9:51     ` Alberto Garcia
2016-11-18 11:10       ` Paolo Bonzini
2016-11-13  3:18 ` no-reply

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