[PATCH V6 5/5] nvme: centralize setting req end_io_data

[Sagi Grimberg]

> The host side code allocates the request in several places using
> nvme_alloc_request() and initialises the allocated request->end_io_data,
> which repeats the code and will have duplicate code in the future.
> 
> Add an end_io_data request parameter which initializes the block
> layer request in nvme_alloc_request(), update the respective callers
> and remove the duplicate code.

There are less callers that actually put something there so not sure
if this is an improvement.. The alloc signature is getting kinda bloated
now...