Re: [PATCH] generic/285: Add more SEEK_HOLE tests

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On Fri, May 12, 2017 at 04:04:43PM +0800, Eryu Guan wrote:
> On Thu, May 11, 2017 at 06:48:09PM +0200, Jan Kara wrote:
> > Add tests for bugs found in ext4 & xfs SEEK_HOLE implementations
> > fixed by following patches:
> > 
> > xfs: Fix missed holes in SEEK_HOLE implementation
> > ext4: Fix SEEK_HOLE
> > 
> > Signed-off-by: Jan Kara <jack@xxxxxxx>
> 
> This will cause ext4 and xfs start to fail with current linus tree and
> appear as a new regression. So we usually don't add new tests to
> existing cases.
> 
> But seek_sanity_test.c deals with different SEEK_DATA/HOLE implentations
> nicely, which would be a bit tricky to do in a new test by shell, and it
> has all the infrastructures for new tests like this. So I think I'd
> prefer merging this patch as is, and document the false regression alert
> in release announce email.

Make the new tests optional (i.e. on a cli switch) and add a new
xfstest that runs them? Old test remains unchanged, doesn't fail,
new test covers the new tests, will fail on old kernels (which is ok
for new tests).

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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