From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032732Ab2CPKmx (ORCPT ); Fri, 16 Mar 2012 06:42:53 -0400 Received: from merlin.infradead.org ([205.233.59.134]:47421 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030833Ab2CPKmv convert rfc822-to-8bit (ORCPT ); Fri, 16 Mar 2012 06:42:51 -0400 Message-ID: <1331894554.18960.234.camel@twins> Subject: Re: cpu_active vs pcrypt & padata From: Peter Zijlstra To: David Miller Cc: steffen.klassert@secunet.com, mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org, Chris Mason Date: Fri, 16 Mar 2012 11:42:34 +0100 In-Reply-To: <20120316.033204.2200537098677808280.davem@davemloft.net> References: <1331892788.18960.227.camel@twins> <20120316.031644.577275447313181686.davem@davemloft.net> <1331893215.18960.228.camel@twins> <20120316.033204.2200537098677808280.davem@davemloft.net> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2012-03-16 at 03:32 -0700, David Miller wrote: > Beats me, but just because there's only one user doesn't mean it belongs > tucked away in that one user's subsystem. Sure, but I was mostly wondering wth it was, the file doesn't really explain itself. Also, most times when introducing generic functionality people try to collect all interested parties and make something that works for everybody. I know for a fact that btrfs does the fan out and regroup thing for block checksumming etc.. Does Chris even know it exists? If he does why isn't brtfs using it? If its unsuitable, why wasn't it fixed. I'm not saying its crap or anything -- I haven't looked at it at all, beyond my grep for cpu_active -- I'm just wondering, and so far it looks like there's something weird.