linux-kernel - Re: [PATCH scsi-misc-2.6] sd: implement sd_check

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Message-ID: <4D10FDAD.2060801@kernel.dk>
Date:	Tue, 21 Dec 2010 20:19:09 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	James Bottomley <James.Bottomley@...e.de>
CC:	Tejun Heo <tj@...nel.org>, Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH scsi-misc-2.6] sd: implement sd_check_events()

On 2010-12-21 19:09, James Bottomley wrote:
> On Mon, 2010-12-20 at 10:20 -0600, James Bottomley wrote:
>> Added cc: linux-scsi
>>
>> On Sat, 2010-12-18 at 18:42 +0100, Tejun Heo wrote:
>>> Replace sd_media_change() with sd_check_events().
>>>
>>> * Move media removed logic into set_media_not_present() and
>>>   media_not_present() and set sdev->changed iff an existing media is
>>>   removed or the device indicates UNIT_ATTENTION.
>>>
>>> * Make sd_check_events() sets sdev->changed if previously missing
>>>   media becomes present.
>>>
>>> * Event is reported only if sdev->changed is set.
>>>
>>> This makes media presence event reported if scsi_disk->media_present
>>> actually changed or the device indicated UNIT_ATTENTION.  For backward
>>> compatibility, SDEV_EVT_MEDIA_CHANGE is generated each time
>>> sd_check_events() detects media change event.
>>>
>>> Signed-off-by: Tejun Heo <tj@...nel.org>
>>> Cc: Kay Sievers <kay.sievers@...y.org>
>>> ---
>>> Here it is.  The conflicts were due to Alan's recent patch, which was
>>> in the similar direction anyway.
>>
>> This looks fine to me.  Jens can you strip the SCSI patches out of your
>> tree and I'll run them through a postmerge tree to get the fix up?
> 
> Ping on this, please: I can't build a postmerge tree until block is
> sorted out.  I need these four removing:

I would need to revert those four then, I can't rebase any of those
branches.


-- 
Jens Axboe

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