Re: [Qemu-block] [PATCH] live-block-ops.txt: Rewrite and improve it

[Eric Blake]

On 05/30/2017 03:24 PM, Kashyap Chamarthy wrote:
> First, thanks for the quick feedback!
> 
> On Tue, May 30, 2017 at 02:24:40PM -0500, Eric Blake wrote:
>> On 05/30/2017 10:38 AM, Kashyap Chamarthy wrote:
>>> This edition documents all four operations:
> 

>>> +
>>> +(1) `Disk image backing chain notation`_
>>> +(2) `Brief overview of live block QMP primitives`_
>>> +(3) `Interacting with a QEMU instance`_
>>> +(4) `Example disk image chain`_
>>> +(5) `A note on points-in-time vs file names`_
>>> +(6) `Live block streaming -- `block-stream``_
>>> +(7) `QMP invocation for `block-stream``_
>>> +(8) `Live block commit -- `block-commit``_
>>> +(9) `QMP invocation for `block-commit``_
>>> +(10) `Live disk synchronization -- `drive-mirror`&`blockdev-mirror``_
>>> +(11) `QMP invocation for `drive-mirror``_
>>> +(12) `Notes on `blockdev-mirror``_
>>> +(13) `Live disk backup -- `drive-backup`&`blockdev-backup``_
>>> +(14) `QMP invocation for `drive-backup``_
>>> +(15) `Notes on `blockdev-backup``_

> Eric, do you have an opinion:  Now that I _do_ have the notes
> available[*], do you think it is worth spelling out the invocation for
> QMP `blockdev-{backup, mirror}`?  Or wait for later?

I liked how you compared drive-mirror and blockdev-mirror, but it's
probably worth an invocation example in sections 12/15 in addition to
"this is how the block version differs from the drive version".

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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