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From: Roland Dreier <rdreier@cisco.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@ftp.linux.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: [RESEND] file operations: release can race with read/write?
Date: Wed, 17 Oct 2007 15:06:49 -0700	[thread overview]
Message-ID: <adafy09gzuu.fsf@cisco.com> (raw)
In-Reply-To: <20071017121656.484646a5.akpm@linux-foundation.org> (Andrew Morton's message of "Wed, 17 Oct 2007 12:16:56 -0700")

 > After pthread_create()'s clone() you should have files->count==2, so
 > fget_light() will do the full atomic_inc_not_zero() thing?

Indeed.  Thanks for the clue.

I guess the search for the bug goes on.  (I only have a picture of the
tail end of one oops message to work with so far, hence the wild
speculation).

Thanks,
  Roland

  reply	other threads:[~2007-10-17 22:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-16 18:53 file operations: release can race with read/write? Roland Dreier
2007-10-17 18:30 ` [RESEND] " Roland Dreier
2007-10-17 19:16   ` Andrew Morton
2007-10-17 22:06     ` Roland Dreier [this message]
2007-10-17 19:27   ` Al Viro
2007-10-17 19:33   ` Al Viro
2007-10-17 22:10     ` Roland Dreier

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