Re: [PATCHSET] block/SCSI: implement in-kernel disk event handling,take#2

From: Jens Axboe
Date: Thu Dec 16 2010 - 11:43:16 EST


On 2010-12-16 17:41, Kay Sievers wrote:
> On Thu, Dec 16, 2010 at 17:36, Jens Axboe <axboe@xxxxxxxxx> 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

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