Re: [PATCH] network: Introduce mutex for bridge name generation

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On 1/7/21 10:09 AM, Michal Privoznik wrote:
When defining/creating a network the bridge name may be filled in
automatically by libvirt (if none provided in the input XML or
the one provided is a pattern, e.g. "virbr%d"). During the
bridge name generation process a candidate name is generated
which is then checked with the rest of already defined/running
networks for collisions.

Problem is, that there is no mutex guarding this critical section
and thus if two threads line up so that they both generate the
same candidate they won't find any collision and the same name is
then stored.

Closes: https://gitlab.com/libvirt/libvirt/-/issues/78


"Closes:"? I'm guessing other people have also been using this tag to get gitlab to automatically close PRs and I just haven't noticed it until now, but according to this page:

https://docs.gitlab.com/ee/user/project/issues/managing_issues.html#closing-issues

"Resolves:" also works, and is a tag that has already been used quite a bit in libvirt in the past.


On the other hand, I've had some people tell me that they want just the URL of the issue that was fixed, with no explicit tag (although that was for bugzilla bugs)


Is it worth trying to pick one of these to always use, or is that just pointless micromanagement? Or maybe there was already a discussion and I just missed it... (I'm undecided whether I lean towards OCD, or "Freedum!!")


Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>


Reviewed-by: Laine Stump <laine@xxxxxxxxxx>





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