From: Joe Thornber <joe@fib011235813.fsnet.co.uk>
To: Jens Axboe <axboe@suse.de>
Cc: Austin Gonyou <austin@coremetrics.com>,
linux-lvm@sistina.com, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [linux-lvm] Re: [PATCH] 2.5 version of device mapper submission
Date: Tue, 15 Oct 2002 10:32:44 +0100 [thread overview]
Message-ID: <20021015093244.GA3782@fib011235813.fsnet.co.uk> (raw)
In-Reply-To: <20021015082152.GA4827@suse.de>
On Tue, Oct 15, 2002 at 10:21:52AM +0200, Jens Axboe wrote:
> On Mon, Oct 14 2002, Joe Thornber wrote:
> > 10.patch
> > [Device-mapper]
> > Add call to blk_queue_bounce() at the beginning of the request function.
>
> What on earth for? I also see that you are setting BLK_BOUNCE_HIGH as
> the bounce limit unconditionally for your queue. Puzzled.
This is just me stupidly copying loop.c, already found out it doesn't
work. Please ignore.
> When does dm even have to touch the data in the bio?
Tell me; if I'm splitting a bio using bio_clone, and then map the bio
to a driver that calls blk_queue_bounce. How can I avoid the
BUG_ON((*bio_orig)->bi_idx);
triggering ? Or is bio_clone not to be used anymore ?
- Joe
next prev parent reply other threads:[~2002-10-15 9:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-09 18:12 [PATCH] 2.5 version of device mapper submission Joe Thornber
2002-10-09 18:31 ` Andrew Morton
2002-10-09 18:44 ` Joe Thornber
2002-10-12 20:05 ` Alan Cox
2002-10-12 20:19 ` Alan Cox
2002-10-14 16:59 ` [linux-lvm] " Austin Gonyou
2002-10-14 17:11 ` Dave Jones
2002-10-14 17:13 ` [linux-lvm] Re: [PATCH] 2.5 version of device mapper submissi on Austin Gonyou
2002-10-14 17:56 ` [linux-lvm] Re: [PATCH] 2.5 version of device mapper submission Joe Thornber
2002-10-14 21:03 ` [linux-lvm] Re: [PATCH] 2.5 version of device mapper submissi on Austin Gonyou
2002-10-15 8:21 ` [linux-lvm] Re: [PATCH] 2.5 version of device mapper submission Jens Axboe
2002-10-15 9:32 ` Joe Thornber [this message]
2002-10-15 9:36 ` Jens Axboe
2002-10-15 10:20 ` Joe Thornber
2002-10-15 10:34 ` Jens Axboe
2002-10-15 14:52 ` Kevin Corry
2002-10-15 15:06 ` Kevin Corry
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