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Re: [Qemu-devel] [PATCH for-4.0?] hmp: delvm: use hmp_handle_error
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH for-4.0?] hmp: delvm: use hmp_handle_error |
Date: |
Fri, 12 Apr 2019 14:21:33 +0200 |
User-agent: |
Mutt/1.11.3 (2019-02-01) |
Am 10.04.2019 um 20:27 hat Eric Blake geschrieben:
> On 4/10/19 1:03 PM, Cole Robinson wrote:
> > This gives us the consistent 'Error:' prefix added in 66363e9a43f,
> > which helps users like libvirt who still need to scrape hmp error
> > messages to detect failure.
> >
> > Signed-off-by: Cole Robinson <address@hidden>
> > ---
> > hmp.c | 7 ++++---
> > 1 file changed, 4 insertions(+), 3 deletions(-)
>
> Not enough to drive -rc4 on its own, but worth adding to our wishlist of
> potential easy patches if we do have a release blocker surface.
As we are going to have an -rc4, I had a look at this.
Commit 66363e9a43f was in February and explicitly says "Note: Some
places don't use hmp_handle_error". So this doesn't seem to be a
regression and even if it's fixed, it's likely not the last place that
doesn't use the "Error:" prefix. This would suggest that this isn't for
-rc4.
Am I misunderstanding the situation?
Kevin
> Reviewed-by: Eric Blake <address@hidden>
>
> >
> > diff --git a/hmp.c b/hmp.c
> > index 8eec768088..74a4bfc1f9 100644
> > --- a/hmp.c
> > +++ b/hmp.c
> > @@ -1481,10 +1481,11 @@ void hmp_delvm(Monitor *mon, const QDict *qdict)
> > const char *name = qdict_get_str(qdict, "name");
> >
> > if (bdrv_all_delete_snapshot(name, &bs, &err) < 0) {
> > - error_reportf_err(err,
> > - "Error while deleting snapshot on device '%s': ",
> > - bdrv_get_device_name(bs));
> > + error_prepend(&err,
> > + "Error while deleting snapshot on device '%s': ",
>
> Do we want to reword the message (maybe s/Error while //) to avoid the
> word "Error" twice in the same line?
>
> > + bdrv_get_device_name(bs));
> > }
> > + hmp_handle_error(mon, &err);
> > }
> >
> > void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
> >
>
> --
> Eric Blake, Principal Software Engineer
> Red Hat, Inc. +1-919-301-3226
> Virtualization: qemu.org | libvirt.org
>