From: Kevin Wolf <kwolf@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: famz@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com,
uobergfe@redhat.com
Subject: Re: [Qemu-devel] [PATCH v4 2.1 0/4] Suppress error action on r/w beyond end
Date: Thu, 10 Jul 2014 12:27:00 +0200 [thread overview]
Message-ID: <20140710102700.GC3919@noname.redhat.com> (raw)
In-Reply-To: <1404925652-17986-1-git-send-email-armbru@redhat.com>
Am 09.07.2014 um 19:07 hat Markus Armbruster geschrieben:
> When a device model's I/O operation fails, we execute the error
> action. This lets layers above QEMU implement thin provisioning, or
> attempt to correct errors before they reach the guest. But when the
> I/O operation fails because its invalid, reporting the error to the
> guest is the only sensible action.
>
> SCSI does that, but virtio-blk and IDE don't. Fix them. No other
> device model supports error actions.
Thanks, applied to the block branch.
Kevin
prev parent reply other threads:[~2014-07-10 10:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-09 17:07 [Qemu-devel] [PATCH v4 2.1 0/4] Suppress error action on r/w beyond end Markus Armbruster
2014-07-09 17:07 ` [Qemu-devel] [PATCH v4 2.1 1/4] virtio-blk: Factor common checks out of virtio_blk_handle_read/write() Markus Armbruster
2014-07-09 17:07 ` [Qemu-devel] [PATCH v4 2.1 2/4] virtio-blk: Bypass error action and I/O accounting on invalid r/w Markus Armbruster
2014-07-09 17:07 ` [Qemu-devel] [PATCH v4 2.1 3/4] virtio-blk: Treat read/write beyond end as invalid Markus Armbruster
2014-07-09 17:07 ` [Qemu-devel] [PATCH v4 2.1 4/4] ide: " Markus Armbruster
2014-07-10 10:27 ` Kevin Wolf [this message]
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