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[Qemu-devel] qemu-img convert cache mode for source

From: Peter Lieven
Subject: [Qemu-devel] qemu-img convert cache mode for source
Date: Wed, 26 Feb 2014 11:14:04 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 
Hi,

I was wondering if it would be a good idea to set the O_DIRECT mode for the 
source
files of a qemu-img convert process if the source is a host_device?

Currently the backup of a host device is polluting the page cache.

Peter
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