nvme reservation commands during controller reset

[Keith Busch]

On Mon, Aug 10, 2020 at 03:13:16PM +0000, Engel, Amit wrote:
> We saw that in case of path error, nvme reservation cmds does not get error handling.
> This is true via the blk layer as well as nvme-cli.
> 
> We are working on implementing nvmeof stack and 
> this current behavior is blocking our host from running nvme reservation cmds during path error.

What's blocking you from retrying this command in your host software?

If we truly want to provide a way to hide intermittent errors on
passthrough commands via automatic retry, it may be a little longer
before such an interface hits a released kernel.