Re: [RFC/PATCH] PM / Hibernate : Add wait for disk detection if resume_file is MAJOR:MINOR style

From: Rafael J. Wysocki
Date: Tue May 08 2012 - 17:24:03 EST


On Tuesday, May 08, 2012, Minho Ban wrote:
> 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?

No, but it should be decumented what exactly is to be passed in
the resume= command line option (in kernel-parameters.txt). Please do that
when you're at it.

Thanks,
Rafael
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