linux-kernel - Re: [PATCH] cciss: fix schedule

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Date:	Mon, 31 Aug 2009 20:24:45 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Randy Dunlap <rdunlap@...otime.net>
CC:	lkml <linux-kernel@...r.kernel.org>,
	akpm <akpm@...ux-foundation.org>,
	Mike Miller <mike.miller@...com>, iss_storagedev@...com
Subject: Re: [PATCH] cciss: fix schedule_timeout() parameters

Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Change schedule_timeout() parameter to not be specific to HZ=1000.
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> Cc: Mike Miller <mike.miller@...com>
> Cc: iss_storagedev@...com
> ---
>  drivers/block/cciss.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> --- lnx-2631-rc7.orig/drivers/block/cciss.c
> +++ lnx-2631-rc7/drivers/block/cciss.c
> @@ -36,6 +36,7 @@
>  #include <linux/proc_fs.h>
>  #include <linux/seq_file.h>
>  #include <linux/init.h>
> +#include <linux/jiffies.h>
>  #include <linux/hdreg.h>
>  #include <linux/spinlock.h>
>  #include <linux/compat.h>
> @@ -3489,7 +3490,7 @@ static int __devinit cciss_pci_init(ctlr
>  		if (scratchpad == CCISS_FIRMWARE_READY)
>  			break;
>  		set_current_state(TASK_INTERRUPTIBLE);
> -		schedule_timeout(HZ / 10);	/* wait 100ms */
> +		schedule_timeout(msecs_to_jiffies(100));	/* wait 100ms */
>  	}
>  	if (scratchpad != CCISS_FIRMWARE_READY) {
>  		printk(KERN_WARNING "cciss: Board not ready.  Timed out.\n");
> @@ -3615,7 +3616,7 @@ static int __devinit cciss_pci_init(ctlr
>  			break;
>  		/* delay and try again */
>  		set_current_state(TASK_INTERRUPTIBLE);
> -		schedule_timeout(10);
> +		schedule_timeout(msecs_to_jiffies(1));

shouldn't it be msecs_to_jiffies(10)?
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