linux-kernel - Re: [PATCH] null_blk: Register as a LightNVM device

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Date:	Thu, 12 Nov 2015 08:54:48 -0700
From:	Jens Axboe <axboe@...com>
To:	Christoph Hellwig <hch@...radead.org>, Jens Axboe <axboe@...nel.dk>
CC:	Matias Bj??rling <m@...rling.me>, <linux-block@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] null_blk: Register as a LightNVM device

On 11/12/2015 08:52 AM, Christoph Hellwig wrote:
> On Thu, Nov 12, 2015 at 08:49:08AM -0700, Jens Axboe wrote:
>> But it still avoids duplicating the generics of it. Patch for null_blk:
>>
>> 3 files changed, 168 insertions(+), 7 deletions (-)
>>
>> vs a standalone of:
>>
>> 3 files changed, 459 insertions(+)
>>
>> It doesn't screw up null_blk, so I'd prefer just adding it as an on-the-side
>> mode for that.
>
> 300 lines of boilerplate for just setting up a few request_queues seem
> wrong, can you show the actual patch you measured?

I just took it from Matias' last posting:

http://marc.info/?l=linux-kernel&m=144605858228534&w=2

-- 
Jens Axboe

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