Re: [Xen-devel] [RFC PATCH] xen-block: introduces extra request to pass-through SCSI commands

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Feb 29, 2016 at 04:35:36PM +0100, Roger Pau Monné wrote:
> El 29/2/16 a les 16:28, Paul Durrant ha escrit:
> >> -----Original Message-----
> >> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx]
> >> Sent: 29 February 2016 14:56
> >> To: Paul Durrant
> >> Cc: Bob Liu; xen-devel@xxxxxxxxxxxxx; Ian Jackson; jbeulich@xxxxxxxx; Roger
> >> Pau Monne; jgross@xxxxxxxx
> >> Subject: Re: [RFC PATCH] xen-block: introduces extra request to pass-
> >> through SCSI commands
> >>
> >> On Mon, Feb 29, 2016 at 09:13:41AM +0000, Paul Durrant wrote:
> >>>> -----Original Message-----
> >>>> From: Bob Liu [mailto:bob.liu@xxxxxxxxxx]
> >>>> Sent: 29 February 2016 03:37
> >>>> To: xen-devel@xxxxxxxxxxxxx
> >>>> Cc: Ian Jackson; jbeulich@xxxxxxxx; Roger Pau Monne;
> >> jgross@xxxxxxxx;
> >>>> Paul Durrant; konrad.wilk@xxxxxxxxxx; Bob Liu
> >>>> Subject: [RFC PATCH] xen-block: introduces extra request to pass-
> >>>>  * xen-block has been existed for many years, widely used and more
> >> stable.
> >>>>
> >>>
> >>> It's definitely widely used, but it has had stability issues in recent 
> >>> times.
> >>
> >> Oh? Could you send the bug-reports to me and Roger, CC xen-devel and
> >> LKML please ?
> > 
> > I was casting my mind back to incompatibilities that crept in with 
> > persistent grants. TBH I haven't used blkback much since then; I tend to 
> > use qemu qdisk as my backend these days.
> 
> FWIW, QEMU Qdisk also has persistent grants support... and was
> implemented more or less at the same time as blkback persistent grants.

<nods>

Perhaps Pauls' definition of  'recent times' means == two years or so :-)

:-)
> 
> Roger.
> 

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