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Re: [Qemu-devel] [PATCH 0/2] improve qemu-img conversion performance


From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH 0/2] improve qemu-img conversion performance
Date: Fri, 09 Sep 2011 10:18:35 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0

Am 08.09.2011 18:36, schrieb Sage Weil:
> On Thu, 8 Sep 2011, Kevin Wolf wrote:
>> Am 08.09.2011 01:06, schrieb Yehuda Sadeh:
>>> The following set of patches improve the qemu-img conversion process
>>> performance. When using a higher latency backend, small writes have a
>>> severe impact on the time it takes to do image conversion. 
>>> We switch to using async writes, and we avoid splitting writes due to
>>> holes when the holes are small enough.
>>>
>>> Yehuda Sadeh (2):
>>>   qemu-img: async write to block device when converting image
>>>   qemu-img: don't skip writing small holes
>>>
>>>  qemu-img.c |   34 +++++++++++++++++++++++++++-------
>>>  1 files changed, 27 insertions(+), 7 deletions(-)
>>>
>>
>> This doesn't seem to be against git master or the block tree. Please rebase.
>>
>> I think that commit a22f123c may obsolete your patch 2/2.
> 
> With git.kernel.org down, where should I be looking for the latest 
> upstream?

qemu has never been on kernel.org. The interesting repositories for you are:

* Upstream: git://git.qemu.org/qemu.git master
* Block development branch: git://repo.or.cz/qemu/kevin.git block

Kevin



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