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Date: Sat, 16 Nov 2013 22:21:19 -0500
From: Dave Jones <davej@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH] sysfs: use a separate locking class for open files
 depending on mmap
Message-ID: <20131117032119.GA26529@redhat.com>
Mail-Followup-To: Dave Jones <davej@redhat.com>, Tejun Heo <tj@kernel.org>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
References: <20131113184538.GA7269@redhat.com>
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On Sun, Nov 17, 2013 at 11:17:36AM +0900, Tejun Heo wrote:

 
 > +	if (has_mmap)
 > +		mutex_init(&of->mutex);
 > +	else
 > +		mutex_init(&of->mutex);

ummm...

	Dave