linux-kernel - Re: [GIT PULL] Block drivers for 3.3-rc

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Message-ID: <4F12C4ED.6060301@kernel.dk>
Date:	Sun, 15 Jan 2012 13:22:05 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Sam Bradshaw (sbradshaw)" <sbradshaw@...ron.com>
Subject: Re: [GIT PULL] Block drivers for 3.3-rc

On 2012-01-15 11:33, Christoph Hellwig wrote:
> On Sun, Jan 15, 2012 at 10:52:12AM +0100, Jens Axboe wrote:
>> Hi Linus,
>>
>> Please see below for the 3.3-rc1 block driver pull request.
>>
>> Essentially two different categories here:
>>
>> - Adds the driver for the Micron RealSSD P320 pci-express flash card.
> 
> The REQ_FUA and REQ_FLUSH handling in it is still completely broken,
> with no attempt to fix it since it last came up.
> 
> So a pretty clear NAK on that driver from me.

Good point, I had forgotten about the ordered writes, I believe the rest
of the items have been handled. The driver/hw, as it stands, does not
reorder writes and it doesn't have a write back cache. So it should
actually be safe. Any acked write is stable. Sam, correct me if I'm
wrong.

-- 
Jens Axboe

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