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Re: [Qemu-block] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes
From: |
Eric Blake |
Subject: |
Re: [Qemu-block] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes |
Date: |
Tue, 19 Jul 2016 09:33:55 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 07/19/2016 02:53 AM, Paolo Bonzini wrote:
>
>> The upstream NBD protocol is proposing an extension for efficient
>> write zeroes; having a qemu implementation will be one of the reasons
>> to promote the proposal from experimental to standard:
>> https://github.com/yoe/nbd/blob/extension-write-zeroes/doc/proto.md
>>
>> v4 was here:
>> https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg07463.html
>>
>> Prerequisites:
>> v3 Auto-fragment large transactions at the block layer:
>> https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg03550.html
>> v2 byte-based block discard:
>> https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg03592.html
>>
>> Also available as a tag at:
>> git fetch git://repo.or.cz/qemu/ericb.git nbd-zero-v5
>>
>> changes since v4:
>> - patch 2 - Rebase to latest
>> - patch 6, 10 - Address review comments [Paolo]
>> - patch 14 - Update commit message to address review comments [Paolo]
>
> I'm sorry, it's too late for 2.7 now.
Fair enough. I'll pull out the bug fixes (at least 1/14 is still 2.7
material) and re-submit those along with the other pending block bug
fixes that I need to do in hard freeze (iscsi with the 15M unmap/zero
granularity).
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-block] [PATCH v5 10/14] nbd: Less allocation during NBD_OPT_LIST, (continued)
- [Qemu-block] [PATCH v5 10/14] nbd: Less allocation during NBD_OPT_LIST, Eric Blake, 2016/07/19
- [Qemu-block] [PATCH v5 12/14] nbd: Improve server handling of shutdown requests, Eric Blake, 2016/07/19
- [Qemu-block] [PATCH v5 07/14] nbd: Share common option-sending code in client, Eric Blake, 2016/07/19
- [Qemu-block] [PATCH v5 11/14] nbd: Support shorter handshake, Eric Blake, 2016/07/19
- [Qemu-block] [PATCH v5 14/14] nbd: Implement NBD_CMD_WRITE_ZEROES on client, Eric Blake, 2016/07/19
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes, Fam Zheng, 2016/07/19
- Re: [Qemu-block] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes, Paolo Bonzini, 2016/07/19
- Re: [Qemu-block] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes,
Eric Blake <=