linux-kernel - Re: [tip:irq/core] genirq: switch /proc/irq/*/spurious to seq

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Date:	Thu, 19 Nov 2009 21:50:56 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	akpm@...ux-foundation.org, tglx@...utronix.de
Subject: Re: [tip:irq/core] genirq: switch /proc/irq/*/spurious to seq_file

On Wed, Nov 18, 2009 at 11:54:34AM +0000, tip-bot for Alexey Dobriyan wrote:
> --- a/kernel/irq/proc.c
> +++ b/kernel/irq/proc.c
> @@ -148,18 +148,28 @@ static const struct file_operations default_affinity_proc_fops = {
>  };
>  #endif
>  
> -static int irq_spurious_read(char *page, char **start, off_t off,
> -				  int count, int *eof, void *data)
> +static int irq_spurious_proc_show(struct seq_file *m, void *v)
>  {
> -	struct irq_desc *desc = irq_to_desc((long) data);
> -	return sprintf(page, "count %u\n"
> -			     "unhandled %u\n"
> -			     "last_unhandled %u ms\n",
> -			desc->irq_count,
> -			desc->irqs_unhandled,
> -			jiffies_to_msecs(desc->last_unhandled));
> +	struct irq_desc *desc = irq_to_desc((long) m->private);
						   ^^^^^^^^^^
> +
> +	seq_printf(m, "count %u\n" "unhandled %u\n" "last_unhandled %u ms\n",
> +		   desc->irq_count, desc->irqs_unhandled,
> +		   jiffies_to_msecs(desc->last_unhandled));
> +	return 0;
> +}
> +
> +static int irq_spurious_proc_open(struct inode *inode, struct file *file)
> +{
> +	return single_open(file, irq_spurious_proc_show, NULL);

Oops, there has to be PDE(inode)->data instead of NULL.
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