qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH RFC v2 0/5] block: add block-dirty-bitmap-populate job


From: Eric Blake
Subject: Re: [PATCH RFC v2 0/5] block: add block-dirty-bitmap-populate job
Date: Fri, 5 Jun 2020 16:51:33 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0

On 5/13/20 10:49 PM, John Snow wrote:
Hi,

This is a new (very small) block job that writes a pattern into a
bitmap. The only pattern implemented is the top allocation information.

This can be used to "recover" an incremental bitmap chain if an external
snapshot was taken without creating a new bitmap first: any writes made
to the image will be reflected by the allocation status and can be
written back into a bitmap.

This is useful for e.g. libvirt managing backup chains if a user creates
an external snapshot outside of libvirt.

v2:
  - Addressed some, but not all feedback
  - Rebased on latest 'job-runner' series; but it's not clear if it
    should be kept.

Message-id for that series? I'm not finding a message with a subject containing a literal 'job-runner', but am not sure which subject to look for instead.

I also couldn't find an obvious tag or branch at https://github.com/jnsnow/qemu/branches where you might have stashed this including prerequisites.

  - This version doesn't address all of the feedback from v1,
    but I am posting it to the list as an RFC.

I'm happy to try and take over these patches to prepare a v3, but only if I can get them to build by finding the prerequisites :)

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org




reply via email to

[Prev in Thread] Current Thread [Next in Thread]