linux-kernel - Re: [patch 21/30] mmc: Convert "mutex" to semaphore

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Date:	Tue, 14 Sep 2010 13:47:41 +0100
From:	Chris Ball <cjb@...top.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	linux-mmc@...r.kernel.org
Subject: Re: [patch 21/30] mmc: Convert "mutex" to semaphore

Hi,

On Tue, Sep 07, 2010 at 02:33:22PM -0000, Thomas Gleixner wrote:
> Get rid of init_MUTEX[_LOCKED]() and use sema_init() instead.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-mmc@...r.kernel.org
> 
> ---
>  drivers/mmc/card/queue.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6/drivers/mmc/card/queue.c
> ===================================================================
> --- linux-2.6.orig/drivers/mmc/card/queue.c
> +++ linux-2.6/drivers/mmc/card/queue.c
> @@ -209,7 +209,7 @@ int mmc_init_queue(struct mmc_queue *mq,
>  		sg_init_table(mq->sg, host->max_phys_segs);
>  	}
>  
> -	init_MUTEX(&mq->thread_sem);
> +	sema_init(&mq->thread_sem, 1);
>  
>  	mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd");
>  	if (IS_ERR(mq->thread)) {
> 
> 

Thanks, applied to mmc-next.

-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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