linux-kernel - Re: [PATCH v3 2/2] cuse: do not register multiple devices with identical names

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Message-ID: <20121118143002.GH7306@mtj.dyndns.org>
Date:	Sun, 18 Nov 2012 06:30:02 -0800
From:	Tejun Heo <tj@...nel.org>
To:	David Herrmann <dh.herrmann@...glemail.com>
Cc:	fuse-devel@...ts.sourceforge.net,
	Miklos Szeredi <miklos@...redi.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] cuse: do not register multiple devices with
 identical names

On Sat, Nov 17, 2012 at 12:45:48PM +0100, David Herrmann wrote:
> Sysfs doesn't allow two devices with the same name, but we register a
> sysfs entry for each cuse device without checking for name collisions.
> This extends the registration to first check whether the name was already
> registered.
> 
> To avoid race-conditions between the name-check and linking the device, we
> need to protect the whole registration with a mutex.
> 
> Signed-off-by: David Herrmann <dh.herrmann@...glemail.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks!

-- 
tejun
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