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From: Arnd Bergmann <arnd@arndb.de>
To: Dan Carpenter <error27@gmail.com>
Subject: Re: [GIT, RFC] Killing the Big Kernel Lock
Date: Thu, 25 Mar 2010 15:14:58 +0100
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Cc: Frederic Weisbecker <fweisbec@gmail.com>, linux-kernel@vger.kernel.org,
       Matthew Wilcox <matthew@wil.cx>, Thomas Gleixner <tglx@linutronix.de>,
       jblunck@suse.de, Alan Cox <alan@linux.intel.com>,
       Ingo Molnar <mingo@elte.hu>
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On Thursday 25 March 2010, Dan Carpenter wrote:
> There is a typo in this one:

> @@ -1641,7 +1643,7 @@ static ssize_t sysfs_blk_trace_attr_store(struct device *dev,
>  
>         ret = -ENXIO;
>  
> -       lock_kernel();
> +       mutex_unlock(&blkdev_mutex);
>         p = dev_to_part(dev);
>         bdev = bdget(part_devt(p));
>         if (bdev == NULL)
> 

Fixed now, thanks for reporting!

	Arnd