From: Paolo Bonzini <pbonzini@redhat.com>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: kwolf@redhat.com, uobergfe@redhat.com, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/3] virtio-blk: Suppress error action on r/w beyond end
Date: Fri, 06 Jun 2014 09:36:43 +0200 [thread overview]
Message-ID: <53916F8B.9050809@redhat.com> (raw)
In-Reply-To: <1401970536-18019-1-git-send-email-armbru@redhat.com>
Il 05/06/2014 14:15, Markus Armbruster ha scritto:
> 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.
>
> This short series does exactly that for virtio-blk. I intend to do
> the same for IDE and SCSI.
Actually SCSI already does it (see check_lba_range in
hw/scsi/scsi-disk.c). Thanks for thinking about it though!
Paolo
next prev parent reply other threads:[~2014-06-06 7:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 12:15 [Qemu-devel] [PATCH 0/3] virtio-blk: Suppress error action on r/w beyond end Markus Armbruster
2014-06-05 12:15 ` [Qemu-devel] [PATCH 1/3] virtio-blk: Factor common checks out of virtio_blk_handle_read/write() Markus Armbruster
2014-06-06 3:14 ` Fam Zheng
2014-06-05 12:15 ` [Qemu-devel] [PATCH 2/3] virtio-blk: Bypass error action and I/O accounting on invalid r/w Markus Armbruster
2014-06-06 3:18 ` Fam Zheng
2014-06-06 3:22 ` Eric Blake
2014-06-06 6:01 ` Markus Armbruster
2014-06-05 12:15 ` [Qemu-devel] [PATCH 3/3] virtio-blk: Treat read/write beyond end as invalid Markus Armbruster
2014-06-06 3:21 ` Fam Zheng
2014-06-20 4:16 ` Stefan Hajnoczi
2014-06-23 8:47 ` Markus Armbruster
2014-06-23 12:57 ` Markus Armbruster
2014-06-27 9:56 ` Stefan Hajnoczi
2014-06-06 7:36 ` Paolo Bonzini [this message]
2014-06-06 8:24 ` [Qemu-devel] [PATCH 0/3] virtio-blk: Suppress error action on r/w beyond end Markus Armbruster
2014-06-26 11:26 ` Markus Armbruster
2014-06-27 9:56 ` Stefan Hajnoczi
2014-07-01 8:57 ` Markus Armbruster
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