From: "Denis V. Lunev" <den@virtuozzo.com>
To: Jeff Cody <jcody@redhat.com>, Max Reitz <mreitz@redhat.com>
Cc: qemu-devel@nongnu.org,
Anton Nefedov <anton.nefedov@virtuozzo.com>,
Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 1/1] mirror: do not increase offset during initial zero_or_discard phase - pls consider this as V3 patch
Date: Mon, 13 Feb 2017 22:45:44 +0300 [thread overview]
Message-ID: <f58d806b-b17d-8e9a-3fb9-da547a0ade0e@virtuozzo.com> (raw)
In-Reply-To: <20170213191327.GO27752@localhost.localdomain>
On 02/13/2017 10:13 PM, Jeff Cody wrote:
> On Mon, Feb 13, 2017 at 06:16:36PM +0100, Max Reitz wrote:
>> On 13.02.2017 08:10, Denis V. Lunev wrote:
>>> On 02/03/2017 06:08 PM, Denis V. Lunev wrote:
>>>> On 02/03/2017 06:06 PM, Denis V. Lunev wrote:
>>>>> From: Anton Nefedov <anton.nefedov@virtuozzo.com>
>>>>>
>>>>> If explicit zeroing out before mirroring is required for the target image,
>>>>> it moves the block job offset counter to EOF, then offset and len counters
>>>>> count the image size twice. There is no harm but stats are confusing,
>>>>> specifically the progress of the operation is always reported as 99% by
>>>>> management tools.
>>>>>
>>>>> The patch skips offset increase for the first "technical" pass over the
>>>>> image. This should not cause any further harm.
>>>>>
>>>>> Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
>>>>> Signed-off-by: Denis V. Lunev <den@openvz.org>
>>>>> Reviewed-by: Eric Blake <eblake@redhat.com>
>>>>> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
>>>>> CC: Jeff Cody <jcody@redhat.com>
>>>>> CC: Kevin Wolf <kwolf@redhat.com>
>>>>> CC: Max Reitz <mreitz@redhat.com>
>>>> actually this is V3 patch. Sorry for broken subject.
>>>>
>>>> Den
>>> ping
>> Didn't Jeff merge v2?
>>
>> http://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg01319.html
>>
>> Max
>>
>
> Yes, I did.
thank you very much for clarification
Den
prev parent reply other threads:[~2017-02-13 22:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-03 15:06 [Qemu-devel] [PATCH 1/1] mirror: do not increase offset during initial zero_or_discard phase Denis V. Lunev
2017-02-03 15:08 ` [Qemu-devel] [PATCH 1/1] mirror: do not increase offset during initial zero_or_discard phase - pls consider this as V3 patch Denis V. Lunev
2017-02-13 7:10 ` Denis V. Lunev
2017-02-13 17:16 ` Max Reitz
2017-02-13 19:13 ` Jeff Cody
2017-02-13 19:45 ` Denis V. Lunev [this message]
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