linux-kernel - Re: 4.7.0-rc7 ext4 error in dx

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Date:	Sun, 7 Aug 2016 23:56:34 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	Johannes Stezenbach <js@...21.net>,
	Török Edwin <edwin@...rok.net>,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: 4.7.0-rc7 ext4 error in dx_probe

On Fri, Aug 05, 2016 at 12:15:48PM -0700, Darrick J. Wong wrote:
> > > [1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/fs/ext4/inode.c?id=b47820edd1634dc1208f9212b7ecfb4230610a23
> > 
> > I added the patch, rebuilt and rebooted.  It will take some time
> > before I'll report back since the issue is so hard to reproduce.
> 
> FWIW I could trigger it reliably by running a bunch of directory traversal
> programs simultaneously on the same directory.  I have a script that fires
> up multiple mutts pointing to the Maildirs for the high traffic Linux lists.

Hmm, I wonder if we should request that this patch be backported to
-stable.  Darrick, what do you think?

						- Ted