Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754067Ab0LPQpV (ORCPT ); Thu, 16 Dec 2010 11:45:21 -0500 Received: from mail-yw0-f46.google.com ([209.85.213.46]:44487 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752142Ab0LPQpP convert rfc822-to-8bit (ORCPT ); Thu, 16 Dec 2010 11:45:15 -0500 MIME-Version: 1.0 In-Reply-To: <1292517519.3024.19.camel@mulgrave.site> References: <1291838262-21274-1-git-send-email-tj@kernel.org> <4D0A3EE1.4050404@kernel.org> <4D0A400F.5090608@kernel.dk> <1292517519.3024.19.camel@mulgrave.site> From: Kay Sievers Date: Thu, 16 Dec 2010 17:44:59 +0100 Message-ID: Subject: Re: [PATCHSET] block/SCSI: implement in-kernel disk event handling, take#2 To: James Bottomley Cc: Jens Axboe , Tejun Heo , jeff@garzik.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, jack@suse.cz Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1335 Lines: 29 On Thu, Dec 16, 2010 at 17:38, James Bottomley wrote: > On Thu, 2010-12-16 at 17:36 +0100, 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. > > Me too pretty much ... event driven is nice, but it only really works if > the userspace stuff will stop polling ... David Zeuthen and I will take care of it, and leave the devices alone when the kernel tells us it's not needed to poll from userspace. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/