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Date: Sun, 29 Dec 2002 22:47:13 +0100
From: Christoph Hellwig <hch@lst.de>
To: Andrew Morton <akpm@digeo.com>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] more deprectation bits
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In-Reply-To: <3E0F6B6B.2FCEC917@digeo.com>; from akpm@digeo.com on Sun, Dec 29, 2002 at 01:38:51PM -0800
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On Sun, Dec 29, 2002 at 01:38:51PM -0800, Andrew Morton wrote:
> Christoph Hellwig wrote:
> > 
> > Rename the deprecated attribute to __deprecated to make it obvious
> > this is something special and to avoid namespace clashes.
> > 
> > Mark more functionality deprecated:
> > 
> >  - sleep_on & friends
> 
> Please do not make sleep_on() generate a warning.  Unless you intend
> to do the same to lock_kernel().
> 
> ext3 uses sleep_on().  It is perfectly safe.

Even if it's safe in that particular case, most code in the kernel runs
without BKL.  This patch just makes the deprication of sleep_on
explicit.

> Weaning ext3 off lock_kernel()
> is a large, delicate and thus-far undesigned body of work.  I've been
> working on other stuff and it is quite unlikely that ext3 locking will
> be redesigned in the 2.5 timeframe.

Then ext3 has to live with using depricated interfaces during 2.6,
what's the point?

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