Re: [linux-usb-devel] question on flushing buffers and spinning down disk

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On Thu, 27 Sep 2007, Oliver Neukum wrote:

> Am Dienstag 25 September 2007 schrieb Alan Stern:
> > Getting all this to work will be tricky, because sd is a block device
> > driven by requests issued through the block layer in atomic context,
> > whereas suspend and resume require a process context.  Probably the 
> > SCSI core would have to get involved in managing the synchronization.
> 
> 
> Well,
> 
> here's a patch that seems to do what needs to be done to make it work.

Oliver, I'm surprised at you!  This patch is a big hack, not to mention 
a layering violation and an inversion of the proper calling sequence.

Alan Stern


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