From: Jens Axboe <axboe@suse.de>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BIO] Bounce queue in bio_add_page
Date: Sat, 8 Nov 2003 10:29:35 +0100 [thread overview]
Message-ID: <20031108092935.GH14728@suse.de> (raw)
In-Reply-To: <20031107225253.GA8864@gondor.apana.org.au>
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
prev parent reply other threads:[~2003-11-08 9:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-01 4:46 [BIO] Bounce queue in bio_add_page Herbert Xu
2003-11-01 10:05 ` Herbert Xu
2003-11-03 12:25 ` Jens Axboe
2003-11-03 20:52 ` Herbert Xu
2003-11-04 8:49 ` Jens Axboe
2003-11-04 9:03 ` Herbert Xu
2003-11-04 9:03 ` Jens Axboe
2003-11-05 9:48 ` Jens Axboe
2003-11-06 21:09 ` Herbert Xu
2003-11-07 11:23 ` Herbert Xu
2003-11-07 11:25 ` Jens Axboe
2003-11-07 11:28 ` Herbert Xu
2003-11-07 11:32 ` Jens Axboe
2003-11-07 22:52 ` Herbert Xu
2003-11-08 9:29 ` Jens Axboe [this message]
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