[Libguestfs] Plans for nbdkit 1.26, libnbd 1.8 ?

[Eric Blake]

On 5/5/21 10:56 AM, Richard W.M. Jones wrote:
> On Wed, May 05, 2021 at 10:42:20AM -0500, Eric Blake wrote:
>> On 4/27/21 1:41 PM, Richard W.M. Jones wrote:
>>> It's been about 3½ months since stable branches of both projects were
>>> released (synchronously, in early January).  Could be time within the
>>> next month or so for a new stable release.  Is there anything you'd
>>> like to get in before then, or conversely any large changes that
>>> should wait until after?
>>
>> I'm about to post a series adding a .cleanup callback (counterpart to
>> .after_fork, and called in outer-to-inner order, opposite of .unload
>> called in inner-to-outer order), in order to modify the ext2 filter to
>> allow multiplexed connections.
>>
>>> For me, but none of them are urgent before this release:
>>>
>>> Proposed nbdkit-forward-filter which ensures that we only do forward
>>> reads over the plugin.
>>>
>>> nbdkit-readahead-filter fix/replacement.  Requires background threads,
>>> this may be possible already.
>>
>> Not easy without a .cleanup callback (it IS possible to create a
>> background thread, but .unload is too late to clean that thread up
>> gracefully to ensure we close the plugin's handle without accidentally
>> calling into unloaded memory).
> 
> OK.  Is there enough time if I say that we'd want to do the stable
> release at the beginning of June?  (This is not fixed - just a
> suggestion)

Yes, I think so.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
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