From: torvalds@transmeta.com (Linus Torvalds)
To: linux-kernel@vger.kernel.org
Subject: Re: 2.5.1-pre2 does not compile
Date: Tue, 27 Nov 2001 20:50:09 +0000 (UTC) [thread overview]
Message-ID: <9u0ua1$1g2$1@penguin.transmeta.com> (raw)
In-Reply-To: <200111272044.fARKiTv13653@db0bm.ampr.org>
In article <200111272044.fARKiTv13653@db0bm.ampr.org>,
f5ibh <f5ibh@db0bm.ampr.org> wrote:
>
>I've the following error :
Yes.
The next-generation block-layer support is starting to be merged into
the 2.5.x tree, and that breaks old drivers that haven't been updated to
the new locking.
In particular, there used to be _one_ lock for the whole IO system
("io_request_lock"), and these days it's a per-block-queue lock.
In many cases the fix is as simple as just replacing the
"io_request_lock" with "host->host_lock", but sometimes this is
complicated by the need to pass the right data structures down far
enough..
Many drivers have been converted (ie IDE, symbios, aic7xxx etc), but
many more have not (especially older SCSI drivers, in your case it's the
classic aha1542).
It will probably take some time until most drivers have been converted.
Tested patches are more than welcome,
Linus
next prev parent reply other threads:[~2001-11-27 21:31 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-27 20:44 2.5.1-pre2 does not compile f5ibh
2001-11-27 20:50 ` Linus Torvalds [this message]
2001-11-27 22:02 ` Paul Mackerras
2001-11-28 1:04 ` Linus Torvalds
2001-11-28 1:34 ` Block I/O Enchancements, 2.5.1-pre2 Jeff V. Merkey
2001-11-28 1:45 ` Jeff Garzik
2001-11-28 1:55 ` Jeff V. Merkey
2001-11-28 2:32 ` Jeff Garzik
2001-11-28 3:38 ` Linus Torvalds
2001-11-30 2:19 ` Daniel Phillips
2001-11-30 12:21 ` Hans Reiser
[not found] ` <15367.32910.275973.287742@laputa.namesys.com>
2001-12-01 9:31 ` [reiserfs-dev] " Hans Reiser
2001-11-28 10:17 ` Martin Dalecki
2001-11-28 13:35 ` Jens Axboe
2001-11-28 17:29 ` Jeff Merkey
2001-11-28 6:58 ` 2.5.1-pre2 does not compile Jens Axboe
2001-11-28 12:20 ` bio write-up (was: Re: 2.5.1-pre2 does not compile) Jens Axboe
2001-11-28 23:31 ` 2.5.1-pre2 bio offset by one error in VIA IDE Anton Altaparmakov
2001-11-28 23:55 ` Andreas Dilger
2001-11-29 1:07 ` Anton Altaparmakov
2001-11-30 1:53 ` 2.5.1-pre2 does not compile Daniel Phillips
2001-11-27 22:09 ` Christoph Hellwig
2001-11-27 22:22 ` onboard ethernet/sound on Soyo SY-K7V? Dax Kelson
2001-11-27 22:47 ` François Cami
2001-11-27 22:57 ` Jeff Garzik
2001-11-27 22:29 ` 2.5.1-pre2 does not compile Robert Love
2001-11-28 0:29 ` Linus Torvalds
2001-11-28 12:55 ` Christoph Hellwig
2001-11-28 16:26 ` Andreas Dilger
2001-11-28 16:42 ` Christoph Hellwig
2001-11-28 16:39 ` Martin Dalecki
2001-11-28 17:27 ` Andreas Dilger
2001-11-28 0:40 ` Andre Hedrick
-- strict thread matches above, loose matches on Subject: below --
2001-11-27 21:02 Wayne.Brown
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