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Date: Mon, 10 Oct 2011 17:25:07 -0300
From: Luiz Capitulino <lcapitulino@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v3 0/6]: block: Add I/O status support
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To: Kevin Wolf <kwolf@redhat.com>
Cc: zwu.kernel@gmail.com, armbru@redhat.com, qemu-devel@nongnu.org

On Mon, 10 Oct 2011 19:30:32 +0200
Kevin Wolf <kwolf@redhat.com> wrote:

> Am 26.09.2011 22:43, schrieb Luiz Capitulino:
> > This series adds support to the block layer to keep track of devices'
> > I/O status. That information is also made available in QMP and HMP.
> > 
> > The goal here is to allow management applications that miss the
> > BLOCK_IO_ERROR event to able to query the VM to determine if any device has
> > caused the VM to stop and which device caused it.
> > 
> > Here's an HMP example:
> > 
> >   (qemu) info status 
> >   VM status: paused (io-error)
> >   (qemu) info block
> >   ide0-hd0: removable=0 io-status=ok file=disks/test2.img ro=0 drv=qcow2 encrypted=0
> >   ide0-hd1: removable=0 io-status=nospace file=/dev/vg_doriath/kvmtest ro=0 drv=qcow2 encrypted=0
> >   ide1-cd0: removable=1 locked=0 io-status=ok [not inserted]
> >   floppy0: removable=1 locked=0 [not inserted]
> >   sd0: removable=1 locked=0 [not inserted]
> > 
> > The session above shows that the VM is stopped due to an I/O error. By using
> > the info block command it's possible to determine that the 'ide0-hd1' device
> > caused the error, which turns out to be due to no space.
> 
> Thanks, applied all to the block branch.

This series will conflict with my "first round of qapi conversions" series.

It seems to me that the conflicts are rather simple, just doing
s/RSTATE_/RUN_STATE should fix them, but I can resend the series if you think
that's better.

> 
> Kevin
>