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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: Thu, 08 Sep 2011 16:13:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0

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.

Kevin



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