Re: [LTP] [Automated-testing] [PATCH 0/6] Track minimal size per filesystem

[Petr Vorel <pvorel@suse.cz>]

Hi Cyril,

> Hi!
> > This patchset require to be on the top of:

> > [RFC,1/1] API: Allow to use xfs filesystems < 300 MB
> > https://lore.kernel.org/ltp/20220817204015.31420-1-pvorel@suse.cz/
> > https://patchwork.ozlabs.org/project/ltp/patch/20220817204015.31420-1-pvorel@suse.cz/

> I'm not that sure if we want to run tests for xfs filesystem that is
> smaller than minimal size used in production. I bet that we will cover
> different codepaths that eventually end up being used in production
> that way.

	> > LTP community: do we want to depend on this behavior or we just increase from 256MB to 301 MB
	> > (either for XFS or for all). It might not be a good idea to test size users are required
	> > to use.

	> It might *not*? <confused>
	Again, I'm sorry, missing another not. I.e. I suppose normal users will not try
	to go below 301MB, therefore LTP probably should not do it either. That's why
	RFC.

@Darrick, others (kernel/LTP maintainers, embedded folks) WDYT?

I'm personally OK to use 300 MB (safer to use code paths which are used in
production), it's just that for older kernels even with xfs-progs installed it's
unnecessary boundary. We could base XFS size on runtime kernel, but unless it's
300 MB a real problem for anybody I would not address it. i.e. is there anybody
using XFS on old kernels? (old LTS, whey sooner or later need to use these
variables themselves).

Kind regards,
Petr

[1] https://lore.kernel.org/ltp/Yv4ABHlsP+BZ3bRD@pevik/

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