[PATCH] nvme/mpath: fix hang when disk goes live over reconnect

[Christoph Hellwig]

On Mon, Sep 20, 2021 at 08:53:36AM -0600, Anton Eidelman wrote:
> The wrapper is to:
> - follow the naming convention for mpath functions called from core
> - allow the implementation to have more logic in future
> 
> As for error propagation, nvme_start_ctrl is void.

Which of course can be changed, like all software.

> Any error in nvme_read_ana_log() will have the same effect as
> when it is invoked from nvme_ana_work(), i.e. will be ignored.

We need to return negative errors during initialization otherwise
we're going to run into teardown problems.