Re: [PATCH V2] block: fix the DISCARD request merge

[Christoph Hellwig]

On Mon, Oct 22, 2018 at 05:06:02PM +0800, Ming Lei wrote:
> 
> The above may be changed to 'if (blk_try_merge(req) == ELEVATOR_DISCARD_MERGE)'
> or sort of in future, which may has document benefit at least, since
> ELEVATOR_DISCARD_MERGE means multi-segment discard merge.

I like that idea, and we should do it for the respin