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Date: Sat, 2 Jan 2010 16:40:31 +0100
From: Borislav Petkov <petkovbb@googlemail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       David Airlie <airlied@linux.ie>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Greg KH <greg@kroah.com>, Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH] sysfs: Cache the last sysfs_dirent to improve readdir
 scalability v2
Message-ID: <20100102154031.GA21729@liondog.tnic>
Mail-Followup-To: Borislav Petkov <petkovbb@googlemail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	David Airlie <airlied@linux.ie>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Greg KH <greg@kroah.com>, Al Viro <viro@ZenIV.linux.org.uk>
References: <20091228092712.AA8C.A69D9226@jp.fujitsu.com>
 <alpine.LFD.2.00.0912301259220.11961@localhost.localdomain>
 <m11victac1.fsf@fess.ebiederm.org>
 <alpine.LFD.2.00.0912301348320.11961@localhost.localdomain>
 <m1fx6rtu31.fsf@fess.ebiederm.org>
 <alpine.LFD.2.00.0912311043330.11961@localhost.localdomain>
 <m11viaexlj.fsf_-_@fess.ebiederm.org>
 <alpine.LFD.2.00.1001011047580.3630@localhost.localdomain>
 <m1y6kh30pi.fsf_-_@fess.ebiederm.org>
 <alpine.LFD.2.00.1001011501340.3630@localhost.localdomain>
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On Fri, Jan 01, 2010 at 03:10:49PM -0800, Linus Torvalds wrote:
> And by "testing" I mean both the "yes, this second version also breaks the 
> lockdep chain and avoids the warning",

Yes, it survived a couple of suspend/resume cycles so far.

-- 
Regards/Gruss,
    Boris.
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