Re: [PATCH] null_blk: Register as a LightNVM device

From: Christoph Hellwig
Date: Thu Nov 12 2015 - 03:53:33 EST

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.
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