Re: [RFC v2 PATCH 2/4] block: add queue runtime pm callbacks

[Lin Ming]

On Fri, May 18, 2012 at 2:29 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
[snip]
> I may have left some parts out from this brief description.  Hopefully
> you'll be able to figure out the general idea and get it to work.

All journal threads and flusher thread of the disk need to be freezed
before suspend and thaw after resume.

>
> Alan Stern
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