Re: [RFC PATCH v2 0/4] Allow changing bs->file on reopen

[Alberto Garcia]

On Wed 10 Feb 2021 06:26:57 PM CET, Kevin Wolf wrote:

> You have a test case for adding a throttling filter. Can we also
> remove it again or is there still a problem with that? I seem to
> remember that that was a bit trickier, though I'm not sure what it
> was. Was it that we can't have the throttle node without a file, so it
> would possibly still have permission conflicts?

There is no problem with removing the filter anymore. See here for a
description of the original problem:

https://lists.gnu.org/archive/html/qemu-block/2020-12/msg00090.html

But this series is based on Vladimir's branch ("update graph permissions
update") which reworks how the permissions are calculated on reopen and
solves the issue.

Berto