From: Jens Axboe <axboe@suse.de>
To: Andrew Morton <akpm@digeo.com>
Cc: Anton Blanchard <anton@samba.org>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] elv_former_request reversion
Date: Sun, 16 Feb 2003 10:32:44 +0100 [thread overview]
Message-ID: <20030216093244.GP26738@suse.de> (raw)
In-Reply-To: <20030215161236.67ce3f24.akpm@digeo.com>
On Sat, Feb 15 2003, Andrew Morton wrote:
>
> This morning's fix for elv_former_request() is causing oopses all over the
> place in the IO scheduler.
>
> Jens, remember that I did try that fix a while ago, and the same happened.
>
> I believe it has exposed a new problem at the
> __make_request/attempt_front_merge level: if attempt_front_merge()
> actually succeeds, the wrong request gets freed up in
> elv_merged_request().
>
> It may be best to back this change out until it can be fixed up for
> real.
Yes agreed, I had forgotten about that point... Will fix.
--
Jens Axboe
next prev parent reply other threads:[~2003-02-16 9:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-16 0:12 Andrew Morton
2003-02-16 9:32 ` Jens Axboe [this message]
2003-02-16 11:59 ` Jens Axboe
2003-02-16 12:29 ` Andrew Morton
2003-02-16 12:53 ` Anton Blanchard
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