From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [PATCHSET] block/SCSI: implement in-kernel disk event handling, take#2 Date: Thu, 16 Dec 2010 17:43:02 +0100 Message-ID: <4D0A4196.8040209@kernel.dk> References: <1291838262-21274-1-git-send-email-tj@kernel.org> <4D0A3EE1.4050404@kernel.org> <4D0A400F.5090608@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from 0122700014.0.fullrate.dk ([95.166.99.235]:53018 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752059Ab0LPQnL (ORCPT ); Thu, 16 Dec 2010 11:43:11 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Kay Sievers Cc: Tejun Heo , jeff@garzik.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, jack@suse.cz, James.Bottomley@hansenpartnership.com On 2010-12-16 17:41, Kay Sievers wrote: > On Thu, Dec 16, 2010 at 17:36, Jens Axboe wrote: >> On 2010-12-16 17:31, Tejun Heo wrote: >>> On 12/08/2010 08:57 PM, Tejun Heo wrote: >>>> This is the second take of in-kernel-disk-event patchset which >>>> implements in-kernel disk event handling framework and adds support >>>> for it to sr and sd. This is largely to move media presence polling >>>> into kernel as userspace implementation turned out to be quite >>>> problematic over the years. >>> >>> Kay, Jens, James, how does this look to you guys? >> >> I like the concept, this is probably what we should have done all along. >> The user space method has been tried and failed. So I was mostly laying >> it low waiting for feedback before integrating this. > > Yeah, it's nice stuff. Userspace works, but can not be made entirely > safe. We have (rare) bugs we just can not fix otherwise than disabling > polling. > >> Kay? > > I want it! :) > > If you merge it, let me know when you have a tree ready, so I can test > the most recent version again. OK good, looks like we all agree... I'll queue it up in for-2.6.38 branch and update for-next to have all that stuff. -- Jens Axboe