Re: [PATCH] Make prepare_namespace() wait for devices

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Andrew Morton wrote:
> On Thu, 24 May 2007 14:21:35 +0200
> Pierre Ossman <[email protected]> wrote:
>
>   
>> +	/* wait for any asynchronous scanning to complete */
>> +	if ((ROOT_DEV == 0) && root_wait) {
>> +		printk(KERN_INFO "Waiting for root device %s...\n",
>> +			saved_root_name);
>> +		do {
>> +			while (driver_probe_done() != 0)
>> +				msleep(100);
>> +			ROOT_DEV = name_to_dev_t(saved_root_name);
>> +			if (ROOT_DEV == 0)
>> +				msleep(100);
>> +		} while (ROOT_DEV == 0);
>> +	}
>>     
>
> This seems overly complex.  Can't we simply do
>
>
> 	while (driver_probe_done() || ROOT_DEV == 0)
> 		msleep(100);
>
> ?
>   

How would ROOT_DEV get updated in that loop?

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

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