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Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] block/iscsi: only report an iS
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] block/iscsi: only report an iSCSI Failure if we don't handle it gracefully |
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Date: |
Fri, 8 Dec 2017 11:03:12 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 12/08/2017 10:14 AM, Peter Lieven wrote:
> Am 08.12.2017 um 16:11 schrieb Eric Blake:
>> On 12/08/2017 05:51 AM, Peter Lieven wrote:
>>> we currently report an "iSCSI Failure" in iscsi_co_generic_cb if the task
>>> hasn't completed with SCSI_STATUS_GOOD. However, we expect a failure in
>>> some cases and handle it gracefully. This is the case for misaligned UNMAPs
>> Is the block layer still capable of producing a misaligned UNMAP? If
>> so, that's probably a bug in the block layer for not honoring the block
>> limit geometries.
>
> In theory there should be none. I think we can drop this code.
Or, better yet, replace the check with an assert.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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