linux-kernel - Re: [PATCH] fs: Correct SuS compliance for open of large file without options

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Message-ID: <20070928032135.GA23543@kroah.com>
Date:	Thu, 27 Sep 2007 20:21:35 -0700
From:	Greg KH <greg@...ah.com>
To:	Theodore Tso <tytso@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jens Axboe <jens.axboe@...cle.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc:	Kay Sievers <kay.sievers@...y.org>
Subject: Re: [PATCH] fs: Correct SuS compliance for open of large file
	without options

On Thu, Sep 27, 2007 at 07:19:27PM -0400, Theodore Tso wrote:
> On Thu, Sep 27, 2007 at 02:34:45PM -0700, Greg KH wrote:
> > Ok, how then should I advertise this better?  What can we do better to
> > help userspace programmers out in this regard?
> 
> Would you accept a patch which causes the deprecated sysfs
> files/directories to disappear, even if CONFIG_SYS_DEPRECATED is
> defined, via a boot-time parameter?

As discussed in the kernel summit talk about this very topic, Kay is
working on a patch to do just that :)

> Many people and distros are
> likely to keep CONFIG_SYS_DEPRECATED defined just our of paranoia that
> things might break.  Doing a quick google, I note that Fedora has been
> going back and forth of turning it off, watching things break, and
> then turning it back on.  The latest time, the changelog said:
> 
> * Fri Jan 26 23:00:00 2007 Bill Nottingham <notting{%}redhat{*}com>
> 
>     - turn on CONFIG_SYSFS_DEPRECATED so that things actually work. *sigh*
> 
> (and I've checked, Fedora's CVS still has CONFIG_SYSFS_DEPRECATED
> defined; it's not just Debian at fault here.)

That's odd, SuSE and Gentoo have been working for quite some time just
fine with that option disabled :)

thanks,

greg k-h
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