linux-kernel - Re: [PATCH 10/16] DRBD: proc

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Message-ID: <20090502202344.GA21178@racke>
Date:	Sat, 2 May 2009 22:23:45 +0200
From:	Lars Ellenberg <lars.ellenberg@...bit.com>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Philipp Reisner <philipp.reisner@...bit.com>,
	linux-kernel@...r.kernel.org, Jens Axboe <jens.axboe@...cle.com>,
	Greg KH <gregkh@...e.de>, Neil Brown <neilb@...e.de>,
	Sam Ravnborg <sam@...nborg.org>, Dave Jones <davej@...hat.com>,
	Nikanth Karthikesan <knikanth@...e.de>,
	Lars Marowsky-Bree <lmb@...e.de>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	Kyle Moffett <kyle@...fetthome.net>,
	Bart Van Assche <bart.vanassche@...il.com>
Subject: Re: [PATCH 10/16] DRBD: proc

On Sat, May 02, 2009 at 10:44:00AM -0500, James Bottomley wrote:
> On Thu, 2009-04-30 at 13:26 +0200, Philipp Reisner wrote:
> > The /proc/drbd interface.
> > 
> > Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
> > Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
> 
> /proc is deprecated for device control and printing.  I can see why you
> want this (because it looks very similar to /proc/mdstat) but might it
> not be better to convert it to a proper sysfs view with your own bus and
> one device per connection with the stats?

we consider that for a while, now.

fortunately we have a lot of users.

unfortunately that means we probably need to at least still provide it
for a while, maybe mark it deprecated, and make it a Kconfig setting,
because /proc/drbd is part of the API, sort of.

yes, I think we can do that.

	Lars
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