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Date: Thu, 7 Aug 2014 21:46:39 +1000
From: NeilBrown <neilb@suse.de>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>, Christoph Hellwig <hch@lst.de>,
        LKML <linux-kernel@vger.kernel.org>, lkp@01.org,
        Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [fs] e691fc4583e: -59.7% dbench.throughput-MB/sec
Message-ID: <20140807214639.62f5dbbb@notabene.brown>
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On Thu, 7 Aug 2014 18:55:38 +0800 Fengguang Wu <fengguang.wu@intel.com> wro=
te:

> Hi Neil,
>=20
> We noticed the below dbench regression on
>=20
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> commit e691fc4583e512f936bd04efb870815fe1ed750d ("fs: allow ->d_manage() =
to declare -EISDIR in rcu_walk mode.")

Thanks.
That patch is buggy - Dan Carpenter found it.
A replacement has been sent to Al Viro who has acknowledged it.
So it should be good before it gets to Linus.

Thanks,
NeilBrown

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