On Tue, Nov 14, 2006 at 09:54:58AM +0100, Pierre Ossman wrote:
> I've had another look at it, and I believe I have a solution. There is
> one assumption I need to verify though.
>
> After del_gendisk() and after I've flushed out any remaining requests,
> is it ok to kill off the queue? Someone might still have the disk open,
> so that would mean the queue is gone by the time gendisk's release
> function is called.
Just arrange for the mmc_queue_thread() to empty the queue when
MMC_QUEUE_EXIT is set, and then exit. I thought this was something
that the block layer looked after (Jens must have missed this in his
original review of the MMC code.)
The handling of userspace keeping the device open despite the hardware
having been removed is already in place.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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