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Date: Fri, 3 Jun 2016 23:43:12 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Drokin <green@linuxhacker.ru>,
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Subject: Re: Dcache oops
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On Fri, Jun 03, 2016 at 03:36:22PM -0700, Linus Torvalds wrote:

> Happy to hear that you seem to have figured it out.
> 
> But why did it apparently only start happening now?

Oleg has started to use Lustre torture tests on NFS, that's all.  Note, BTW,
that first they'd triggered an oopsable bug (fairly easy to reproduce) in
nfs_atomic_open() that had been there for 3 years ;-/