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Re: [PATCH v2 0/3] virtiofsd: Add options to enable/disable posix acl

From: Luis Henriques
Subject: Re: [PATCH v2 0/3] virtiofsd: Add options to enable/disable posix acl
Date: Tue, 23 Feb 2021 15:05:21 +0000

On Fri, Feb 19, 2021 at 11:50:54AM +0000, Luis Henriques wrote:
> Vivek Goyal <vgoyal@redhat.com> writes:
> > Hi,
> >
> > This is V2 of the patches. Changes since v1 are.
> >
> > - Rebased on top of latest master.
> > - Took care of Miklos's comments to block acl xattrs if user
> >   explicitly disabled posix acl.
> >
> > Luis Henriques reported that fstest generic/099 fails with virtiofs.
> > Little debugging showed that we don't enable acl support. So this
> > patch series provides option to enable/disable posix acl support. By
> > default it is disabled.
> >
> > I have run blogbench and pjdfstests with posix acl enabled and
> > things work fine.
> >
> > Luis, can you please apply these patches, and run virtiofsd with
> > "-o posix_acl" and see if it fixes the failure you are seeing. I
> > ran the steps you provided manually and it fixes the issue for
> > me.
> Sorry for the delay.  I've finally tested these patches and they indeed
> fix the problem I reported.  My only question about this fix is why is
> this option not enabled by default, since this is the documented behavior
> in acl(5) and umask(2)?  In fact, why is this an option at all? 

Ah!  An obvious thing that's missing: change tools/virtiofsd/helper.c to
include the new option (and also the manpage) ;-)


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