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Re: [Qemu-devel] [PATCH for-4.0 v3 0/6] NBD server alignment improvement
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH for-4.0 v3 0/6] NBD server alignment improvement |
Date: |
Mon, 1 Apr 2019 09:00:14 -0500 |
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Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 |
On 3/28/19 11:27 PM, Eric Blake wrote:
> I'm tired of nbdkit being able to trigger an assertion failure
> in qemu-img convert. Let's get this into 4.0-rc2.
>
> Since v2:
> - add more patches, including a respin of a separately-posted
> nbd/client: Deal with unaligned size from server
> - Don't make unaligned sector from server inaccessible; instead,
> round our requests down and handle the tail locally
> - fix another issue reported by Rich where 'qemu-img map' output
> was less than stellar
>
> Eric Blake (6):
> iotests: Add 241 to test NBD on unaligned images
> nbd/client: Lower min_block for block-status, unaligned size
> nbd/client: Report offsets in bdrv_block_status
> nbd/client: Support qemu-img convert from unaligned size
> block: Add bdrv_get_request_alignment()
> nbd/server: Advertise actual minimum block size
I've queued this series on my NBD tree, and will send a pull request
shortly.
I have a couple more patches that I started work on that fix the final
few alignment bugs, but as they have not been on the list yet, they may
be too risky for 4.0; we'll see what happens based on how fast I can
polish them.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
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