linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 6)

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Message-ID: <20100513183646.GA18155@srcf.ucam.org>
Date:	Thu, 13 May 2010 19:36:46 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	Daniel Walker <dwalker@...o99.com>
Cc:	Brian Swetland <swetland@...gle.com>,
	Paul Walmsley <paul@...an.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	Tony Lindgren <tony@...mide.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Alan Stern <stern@...land.harvard.edu>, magnus.damm@...il.com,
	Theodore Ts'o <tytso@....edu>,
	mark gross <mgross@...ux.intel.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Geoff Smith <geoffx.smith@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Benoît Cousson <b-cousson@...com>,
	linux-omap@...r.kernel.org, Vitaly Wool <vitalywool@...il.com>,
	Linus Walleij <linus.walleij@...csson.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...mlogic.co.uk>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 6)

On Thu, May 13, 2010 at 11:25:57AM -0700, Daniel Walker wrote:

> The problem is that once this userspace interface is exposed, it's
> nearly permanent and has to be support for a long long time .. It might
> seen trivial to just remove something your not using, but we never know
> who is using what once the kernel is released.

Deprecating sysfs interfaces can be done within 6 months or so, 
especially if there's only one real consumer.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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