[PATCH 2/3] nvme-core: delete the dependency on blk status

[Mike Snitzer]

On Wed, Aug 12 2020 at 11:10am -0400,
Christoph Hellwig <hch at lst.de> wrote:

> On Wed, Aug 12, 2020 at 04:18:44PM +0800, Chao Leng wrote:
> > nvme should not depend on blk status, just need check nvme status.
> > Just need do translating nvme status to blk status for returning error.
> 
> While this doesn't look wrong it also doesn't save us a single
> instruction and actually adds more lines of code.  Do you have a good
> reason for this change?

It certainly saves nvme_error_status(nvme_req(req)->status if
nvme_req_needs_retry().