Re: [PATCH] 2.5.20 IDE 85

Jens Axboe (axboe@suse.de)
Wed, 5 Jun 2002 17:52:41 +0200


On Wed, Jun 05 2002, Jens Axboe wrote:
> On Wed, Jun 05 2002, Martin Dalecki wrote:
> > Jens Axboe wrote:
> > >On Wed, Jun 05 2002, Martin Dalecki wrote:
> > >
> > >AFAICS, you just introduced some nasty list races in the interrupt
> > >handlers. You must hold the queue locks when calling
> > >blkdev_dequeue_request() and end_that_request_last(), for instance.
> > >
> >
> > No. Please be more accurate. Becouse:
> >
> > 1. If anything I have made existing races only "obvious".
>
> If anything, you've made a race you introduced earlier more obvious.
>
> > 2. It is called in the context of do_ide_request or ide_raw_taskfile
> > where we already have the lock.
>
> ?? Both tcq and ata_special_intr look like interrupt handlers to me.

BTW, I wanted to look at the code (and not just read the patch), but
it's not clear from the patch what it is against. Where do you keep
older patches so I can get them? Maybe the ide code could do with a bit
of peer review :-)

-- 
Jens Axboe

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