[Libguestfs] Plans for nbdkit 1.26, libnbd 1.8 ?

[Richard W.M. Jones]

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)

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/