linux-kernel - Re: [BLOCK] bh: Ensure bh fits within a page

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Message-Id: <20060801164408.bd0305f3.akpm@osdl.org>
Date:	Tue, 1 Aug 2006 16:44:08 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	axboe@...e.de (Jens Axboe), linux-kernel@...r.kernel.org
Subject: Re: [BLOCK] bh: Ensure bh fits within a page

On Wed, 02 Aug 2006 09:30:51 +1000
Herbert Xu <herbert@...dor.apana.org.au> wrote:

> Jens Axboe <axboe@...e.de> wrote:
> >
> > That looks really dangerous, I'd prefer that to be a BUG_ON() as well to
> > prevent nastiness further down.
> 
> OK, I used a WARN_ON mainly because ext3 has been doing this for years
> without killing anyone until now :)

I can't apply either of these patches, because we _know_ it'll trigger.

Once the JBD fix is in hand, we can go with a WARN_ON_ONCE and if that is
all clear, then we can make it a BUG_ON().

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