Re: [RFC v2 13/14] xfs: add an experimental CONFIG_XFS_LBS option

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On Tue, Feb 13, 2024 at 10:54:07PM +0100, Pankaj Raghav (Samsung) wrote:
> On Wed, Feb 14, 2024 at 08:19:23AM +1100, Dave Chinner wrote:
> > On Tue, Feb 13, 2024 at 10:37:12AM +0100, Pankaj Raghav (Samsung) wrote:
> > > From: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> > > 
> > > Add an experimental CONFIG_XFS_LBS option to enable LBS support in XFS.
> > > Retain the ASSERT for PAGE_SHIFT if CONFIG_XFS_LBS is not enabled.
> > > 
> > > Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> > 
> > NAK.
> > 
> > There it no reason for this existing - the same code is run
> > regardless of the state of this config variable just with a
> > difference in min folio order. All it does is increase the test
> > matrix arbitrarily - now we have two kernel configs we have to test
> > and there's no good reason for doing that.
> 
> I did not have this CONFIG in the first round but I thought it might
> help retain the existing behaviour until we deem the feature stable.
> 
> But I get your point. So we remove this CONFIG and just have an
> experimental warning during mount when people are using the LBS support?

Yes.

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx




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