Re: [BIO] Bounce queue in bio_add_page

From: Herbert Xu
Date: Fri Nov 07 2003 - 17:56:27 EST

On Fri, Nov 07, 2003 at 12:32:35PM +0100, Jens Axboe wrote:
> On Fri, Nov 07 2003, Herbert Xu wrote:
> > On Fri, Nov 07, 2003 at 12:25:55PM +0100, Jens Axboe wrote:
> > >
> > > Could be related, someone is doing an unlock on an already unlocked
> > > page. Is this the same system that saw the bounce problem initially?
> >
> > Yes, see for details.
> Then there's likely just some other bug wrt bouncing. Hmm, does this
> work?

It's OK, it turns out that he applied my earlier patch which called
blk_queue_bounce() in blk_add_page. That obviously breaks down when
the bio is bounced since the real end_io functions haven't been set

So this problem is resolved.

Debian GNU/Linux 3.0 is out! ( )
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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