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SubjectRe: [PATCH] xfs: always free inline data before resetting inode fork during ifree
On Thu, Mar 29, 2018 at 10:05:35AM +1100, Dave Chinner wrote:
> On Wed, Mar 28, 2018 at 07:30:06PM +0000, Sasha Levin wrote:
> >
> > This is actually something I want maintainers to dictate. What sort of
> > testing would make the XFS folks happy here? Right now I'm doing
> > "./check 'xfs/*'" with xfstests. Is it sufficient? Anything else you'd like to see?
>
> ... and you're doing it wrong. This is precisely why being able
> to discover /exactly/ what you are testing and being able to browse
> the test results so we can find out if tests passed when a user
> reports a bug on a stable kernel.
>
> The way you are running fstests skips more than half the test suite
> It also runs tests that are considered dangerous because they are
> likely to cause the test run to fail in some way (i.e. trigger an
> oops, hang the machine, leave a filesystem in an unmountable state,
> etc) and hence not complete a full pass.
>
> "./check -g auto" runs the full "expected to pass" regression test
> suite for all configured test configurations. (i.e. all config
> sections listed in the configs/<host>.config file)

ie, it would be safer to expect that an algorithmic auto-selection process for
fixes for stable kernels should have direct input and involvement from
subsystems for run-time testing and simply guessing or assuming won't suffice.

The days of just compile testing should be way over by now, and we should
expect no less for stable kernels, *specially* if we start involving
automation.

Would a way to *start* to address this long term for XFS or other filesystems
for auto-selection long-term be a topic worth covering / addressing at LSF/MM?

Luis

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