From: Eric W. Biederman on

It turns out that it is pretty simple to rework the lockdep support
to give each sysfs attribute it's own lockdep class, which should
kill the annoying false positives we have been seeing lately.

The one caveat is that it requires dynamically allocated sysfs
attributes to be explicitly initialized. Luckily it is brainless
trivial whack-a-mole and took maybe 15 minutes to find all of the
dynamically allocates sysfs attributes on my test machine, because
the errors show up when the attributes are registered with sysfs,
and all of the fixes are one-liners.

Hopefully with this we can head back to fixing the real issues.

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