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Re: [Qemu-devel] [PATCH 0/3] virtio-blk: Suppress error action on r/w be
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH 0/3] virtio-blk: Suppress error action on r/w beyond end |
Date: |
Tue, 01 Jul 2014 10:57:17 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Please consider for 2.1. It needs git-am -3 by now; if you need a
respin, let me know.
Markus Armbruster <address@hidden> writes:
> 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.
>
> Markus Armbruster (3):
> virtio-blk: Factor common checks out of virtio_blk_handle_read/write()
> virtio-blk: Bypass error action and I/O accounting on invalid r/w
> virtio-blk: Treat read/write beyond end as invalid
>
> hw/block/virtio-blk.c | 45 +++++++++++++++++++++++++++++----------------
> 1 file changed, 29 insertions(+), 16 deletions(-)
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