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 17:55:26 +0100 Message-ID: <4D0A447E.8050802@fusionio.com> References: <1291838262-21274-1-git-send-email-tj@kernel.org> <4D0A3EE1.4050404@kernel.org> <4D0A400F.5090608@kernel.dk> <4D0A4196.8040209@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4D0A4196.8040209@kernel.dk> Sender: linux-scsi-owner@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 List-Id: linux-ide@vger.kernel.org On 2010-12-16 17:43, Jens Axboe wrote: > 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. Done. It's in for-2.6.38/event-handling, and for-next is update to have the pending stuff for 2.6.38 in total. -- Jens Axboe