From: Christoph Hellwig <hch@infradead.org>
To: Matias Bj??rling <m@bjorling.me>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com
Subject: Re: [PATCH] null_blk: Register as a LightNVM device
Date: Thu, 12 Nov 2015 00:53:27 -0800 [thread overview]
Message-ID: <20151112085327.GA28149@infradead.org> (raw)
In-Reply-To: <1447236398-9421-1-git-send-email-m@bjorling.me>
On Wed, Nov 11, 2015 at 11:06:38AM +0100, Matias Bj??rling wrote:
> Add support for registering as a LightNVM device. This allows us to
> evaluate the performance of the LightNVM library.
>
> In /drivers/Makefile, LightNVM is moved above block device drivers
> to make sure that the LightNVM media managers have been initialized
> before drivers under /drivers/block are initialized.
I don't think mixing the lighnvm code into null_blk is a good idea.
Please just create a separate null_nvm device for lighnvm. It already
has a completely separate I/O path.
next prev parent reply other threads:[~2015-11-12 8:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-11 10:06 [PATCH] null_blk: Register as a LightNVM device Matias Bjørling
2015-11-11 21:27 ` Jens Axboe
2015-11-11 22:11 ` Jens Axboe
2015-11-12 11:30 ` Matias Bjørling
2015-11-12 8:53 ` Christoph Hellwig [this message]
2015-11-12 15:49 ` Jens Axboe
2015-11-12 15:52 ` Christoph Hellwig
2015-11-12 15:54 ` Jens Axboe
2015-11-12 15:58 ` Christoph Hellwig
2015-11-12 16:00 ` Jens Axboe
2015-11-12 18:29 ` Matias Bjørling
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