Re: requests questios

From: Jens Axboe (axboe@suse.de)
Date: Sat Apr 15 2000 - 11:18:50 EST


On Sat, Apr 15 2000, Andrea Arcangeli wrote:
> >> Has the driver to do something new with it or the classical end_request
> >> will be enought?
> >
> >You can still get by with INIT_REQUEST and CURRENT, and end them with
> >end_request just like you used to. It is transparent for simple
> >block drivers.
>
> Only thing changed is that CURRENT will be always != 0. To check if the
> queue is empty and if CURRENT is pointing to a valid request you have now
> to use QUEUE_EMPTY.

... which INIT_REQUEST does for you.

-- 
*  Jens Axboe <axboe@suse.de>
*  Linux CD/DVD-ROM, SuSE Labs
*  http://kernel.dk

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