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Re: [Qemu-block] [RFC v6] RBD: Add support readv,writev for rbd


From: Stefan Hajnoczi
Subject: Re: [Qemu-block] [RFC v6] RBD: Add support readv,writev for rbd
Date: Tue, 21 Feb 2017 11:30:50 +0000
User-agent: Mutt/1.7.1 (2016-10-04)

On Tue, Feb 21, 2017 at 03:43:59PM +0800, Jaze Lee wrote:
> If I test , which cache mode i should choose ?
> 
> writeback? or none? or default?

Both cache=none and cache=writeback should be tested since block/rbd.c
changes behavior depending on BDRV_O_NOCACHE.

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