Re: plug problem in linux-2.4.0-test11

From: Jens Axboe (
Date: Thu Dec 28 2000 - 08:47:59 EST

On Wed, Dec 27 2000, Andrea Arcangeli wrote:
> I think right behaviour of the blkdev layer is to BUG() if the driver eats
> requests while the device is plugged.

The device is supposed to know what it's doing. Sure it defeats the
elevators work a bit, but again the driver should know best. Besides, it
doesn't seem worthwhile to go to any lengths detecting this.

But in general I agree, device request_fn should never touch a plugged

* Jens Axboe <>
* SuSE Labs
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