Re: [win-pv-devel] no-discard from xl not honored

[Andreas Kinzler <ml-ak@xxxxxxxxx>]

Here is my suggestion.

Regards Andreas

On 13.02.2017 10:00, Paul Durrant wrote:
> > -----Original Message-----
> > From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> > Behalf Of Andreas Kinzler
> > Sent: 10 February 2017 16:45
> > To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: [win-pv-devel] no-discard from xl not honored
> >
> > A disk spec like
> >
> > disk = [ '/dev/sda7,,hda,rw', '/dev/ram0,,hdb,rw,no-discard' ]
> >
> > leads to the following xenstore (at least with Xen 4.5.1)
> >
> >         discard-enable = "0"
> >         feature-discard = "1"
> >
> > The driver only reads "feature-discard" but not "discard-enable" so
> > discard is not disabled.
> Hmm. That's unfortunate, but fairly easily fixed. I'll see if I can come up 
> with a patch later today.

Attachment: discard.patch
Description: Text document

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