Re: [PATCH 1/2] conf: add disk cache tuning parameters after qemu

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On Mon, Sep 26, 2016 at 11:43:58 +0300, Nikolay Shirokovskiy wrote:
> xml example:
> 
> <disk ...>
>   <cachetune writeback='on' direct='off' no_flush='on'/>

Aren't writeback and direct mutually exclusive?

> </disk>

What's wrong with 

 <disk ...>
   <driver ... cache=''>?


See https://libvirt.org/formatdomain.html#elementsDisks


This commit message really does not describe your motivation for the
addition.

> 
> Parameters semantics match corresponding qemu 'cache.*' parameters.
> 
> --
> 
> I wonder should we use flush or sync name instead of qemu no_flush?
> ---
>  docs/schemas/domaincommon.rng | 22 +++++++++++
>  src/conf/domain_conf.c        | 90 +++++++++++++++++++++++++++++++++++++++++++
>  src/conf/domain_conf.h        |  7 ++++
>  3 files changed, 119 insertions(+)

Peter

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