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

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Message-ID: <4D0A4594.6030704@kernel.dk>
Date:	Thu, 16 Dec 2010 18:00:04 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	Tejun Heo <tj@...nel.org>
CC:	Kay Sievers <kay.sievers@...y.org>, jeff@...zik.org,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org, jack@...e.cz,
	James.Bottomley@...senpartnership.com
Subject: Re: [PATCHSET] block/SCSI: implement in-kernel disk event handling,
  take#2

On 2010-12-16 17:45, Tejun Heo wrote:
> Hello,
> 
> On 12/16/2010 05:43 PM, Jens Axboe wrote:
>>>>> 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.
> 
> Heh, that was fast.  Anyways, James, it would be great if you can take
> a look at the sr/sd changes.  I think they're correct but that's kinda
> expected, so... :-)

One thing I noticed is that cdrom_check_events() needs an export.

-- 
Jens Axboe

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