[libvirt] [PATCH] Add support for RAM filesystems for LXC

Guido Günther agx at sigxcpu.org
Wed Jun 20 16:14:10 UTC 2012


On Wed, Jun 20, 2012 at 02:41:20PM +0100, Daniel P. Berrange wrote:
> On Fri, May 11, 2012 at 11:16:42PM +0200, Guido Günther wrote:
> > On Wed, May 09, 2012 at 10:00:47AM -0600, Eric Blake wrote:
> > > On 05/09/2012 09:49 AM, Daniel P. Berrange wrote:
> > > > From: "Daniel P. Berrange" <berrange at redhat.com>
> > > > 
> > > > Introduce a new syntax for filesystems to allow use of a RAM
> > > > filesystem
> > > > 
> > > >    <filesystem type='ram'>
> > > >       <source usage='1024'/>
> > > >       <target dir='/mnt'/>
> > > >    </filesystem>
> > > > 
> > > > The usasge is in KB to limit consumption of host memory.
> > > 
> > > Based on what we learned with <memory>, I think you really want:
> > > 
> > > <source unit='KiB' usage='1024'/>
> > > 
> > > on output, as well as allowing unit='...' for scaling of input such as
> > > <source unit='G' usage='1'/> for 2^30 bytes.
> > 
> > virParseScaleValue from "Filesystem limits for containers" might help
> > here.
> 
> Yes it would. I noticed Eric had a bunch of comments on your v2
> posting. Have you got a v3 pending, or shall I take over the
> merging of the virParseScaleValue method myself ?

virParseScaledValue is merged (note the extra 'd').
Cheers,
 -- Guido


> 
> Daniel
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