From: Jens Axboe <axboe@suse.de>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
"Stephen C. Tweedie" <sct@redhat.com>
Subject: Re: [PATCH] superbh, fractured blocks, and grouped io
Date: Thu, 17 Oct 2002 07:59:42 +0200 [thread overview]
Message-ID: <20021017055942.GC9245@suse.de> (raw)
In-Reply-To: <20021017005109.GV22117@nic1-pc.us.oracle.com>
On Wed, Oct 16 2002, Joel Becker wrote:
> On Mon, Oct 14, 2002 at 03:51:00PM +0200, Jens Axboe wrote:
> > @@ -943,7 +1015,6 @@
> > */
> > bh = blk_queue_bounce(q, rw, bh);
>
> I don't know why this only slightly bothered me until I oopsed.
> This only bounces the superbh and certainly doesn't bounce all the
> attendant bhs in the list.
Eh no, it actually doesn't bounce anything! I added a test to bypass
bouncing temporarily in blk_queue_bounce() (see the BH_Super test in
there), but forgot to replace it with the real thing. The superbh
contains no data, so is not a candidate for bouncing.
--
Jens Axboe
next prev parent reply other threads:[~2002-10-17 5:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-14 13:51 [PATCH] superbh, fractured blocks, and grouped io Jens Axboe
2002-10-14 18:13 ` Joel Becker
2002-10-15 7:44 ` Jens Axboe
2002-10-15 19:33 ` Joel Becker
2002-10-17 0:51 ` Joel Becker
2002-10-17 1:07 ` Joel Becker
2002-10-17 6:03 ` Jens Axboe
2002-10-17 5:59 ` Jens Axboe [this message]
2002-10-17 6:45 ` Joel Becker
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