On Tue, 2014-05-13 at 16:19 +0900, J. R. Okajima wrote: 
> Mimi Zohar:
> > As a temporary fix, do not measure, appraise, or audit files
> > opened with the O_DIRECT flag set.  Just audit log it.
> 
> I have no objection about the patch, but have a question.
> Are you intending to put it into mainline now (and stable too)? Or is
> this a local bandage for whoever have met the problem (like me)?

Yes, for the time being.

> In other words, should I wait for another lock free solution from Dmitry
> Kasatkin?

In addition to the lockdep issue, there is a separate problem of reading
the file opened w/O_DIRECT flag.  Dmitry is about to post two patches,
with a detailed explanation.  The first patch re-introduces the
iint->mutex.  The other patch reads the file opened w/O_DIRECT flag.
Neither patch is trivial.

> By the way, the mail is not delivered to stable-ML while there is
> "Cc: stable..." line in the commit log.

The CC shouldn't have been included in an RFC.

Mimi

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