linux-kernel - Re: [RFC/PATCH] PM / Hibernate : Add wait for disk detection if resume

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Message-id: <4FA8612F.70207@samsung.com>
Date:	Tue, 08 May 2012 08:56:31 +0900
From:	Minho Ban <mhban@...sung.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Pavel Machek <pavel@....cz>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH] PM / Hibernate : Add wait for disk detection if
 resume_file is MAJOR:MINOR style

On 05/08/2012 04:39 AM, Rafael J. Wysocki wrote:
>> +	/* name_to_dev_t is ineffective if resume_file comes in major:minor
>> +	 * format */
>> +	if (isdigit(resume_file[0]) && resume_wait) {
> 
> The check here is too late.  It should be done before name_to_dev_t() is
> used on resume_file for the first time.
> 

Thanks for comment, I'll pull it up.

>> +		int partno;
>> +		while (!get_gendisk(swsusp_resume_device, &partno))
>> +			msleep(10);
>> +	}
>> +
>>   Check_image:
>>  	pr_debug("PM: Hibernation image partition %d:%d present\n",
>>  		MAJOR(swsusp_resume_device), MINOR(swsusp_resume_device));
> 
> Besides, I'd like the documentation to be updated to reflect this change too.

Do you mean resumewait is needed to be updated in kernel-parameters.txt?


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