From: Nigel Cunningham <nigel@suspend2.net>
Organization: Suspend2.net
To: Lee Revell <rlrevell@joe-job.com>
Subject: Re: Which is simpler? (Was Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)
Date: Tue, 7 Feb 2006 13:26:07 +1000
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Cc: Jim Crilly <jim@why.dont.jablowme.net>, Pavel Machek <pavel@ucw.cz>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, suspend2-devel@lists.suspend2.net,
       linux-kernel@vger.kernel.org
References: <20060201113710.6320.68289.stgit@localhost.localdomain> <20060207030129.GA23860@mail> <1139282017.2041.44.camel@mindpipe>
In-Reply-To: <1139282017.2041.44.camel@mindpipe>
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Hi.

On Tuesday 07 February 2006 13:13, Lee Revell wrote:
> On Mon, 2006-02-06 at 22:01 -0500, Jim Crilly wrote:
> > On 02/06/06 08:19:02PM -0500, Lee Revell wrote:
> > > On Mon, 2006-02-06 at 19:59 -0500, Jim Crilly wrote:
> > > > I guess reasonable is a subjective term. For instance, I've seen
> > > > quite a few people vehemently against adding new ioctls to the
> > > > kernel and yet you'll be adding quite a few for /dev/snapshot. I'm
> > > > just of the same mind as Nigel in that it makes the most sense to
> > > > me that the majority of the suspend/hibernation process to be in
> > > > the kernel.
> > >
> > > No one is saying that ANY new ioctls are bad, just that the KISS
> > > principle of engineering dictates that it's bad design to use ioctls
> > > where a simple read/write to a sysfs file will do.
> >
> > I understand that, but shouldn't the KISS principle also be applied to
> > the user interface of a feature?
>
> Personally I agree with you on suspend2, I think this is something that
> needed to Just Work yesterday, and every day it doesn't work we are
> losing users... but who am I to talk, I'm not the one who will have to
> maintain it.

Well, I will have to maintain it, and I'm perfectly willing to. I only=20
started to work on it in the first place because I wanted to use it, so I=20
have a vested interest in keeping it working. So... even if we end up=20
pulling it out in place of a userspace solution, I really like the idea of=
=20
putting it in at least until uswsusp is up to speed (provided it didn't=20
given Andrew and/or Linus a hernia in the process).

To avoid the backwards compatability issues, we can plan ahead now,=20
defining something like I suggested in another email earlier in the day.

Regards,

Nigel
=2D-=20
See our web page for Howtos, FAQs, the Wiki and mailing list info.
http://www.suspend2.net                IRC: #suspend2 on Freenode

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