[PATCH for-4.5 03/13] NVMe: Allow request merges

[Keith Busch]

On Wed, Feb 10, 2016 at 11:37:05AM -0700, Jens Axboe wrote:
> On 02/10/2016 11:36 AM, Christoph Hellwig wrote:
> >In general it is, but it might be good to try to understand
> >why this flag was set in the first place, and why the argument
> >for that isn't true anymore, or never was.
> 
> IIRC, it was set when the conversion to blk-mq happened, since the
> original driver could not do merges being bio based.

This actually carried over from when it was still bio-based. The flag
was set in the driver's initial commit, but should not have been.