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SubjectRe: [BIO] Bounce queue in bio_add_page
On Sat, Nov 08 2003, Herbert Xu wrote:
> 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 http://bugs.debian.org/218566 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
> yet.
>
> So this problem is resolved.

Great, I'm a lot more relieved now.

--
Jens Axboe

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