[PATCH 02/17] nvme-pci: refactor the tagset handling in nvme_reset_work

[Sagi Grimberg]

> The code to create, update or delete a tagset and namespaces in
> nvme_reset_work is a bit convoluted.  Refactor it with a two high-level
> conditionals for first probe vs reset and I/O queues vs no I/O queues
> to make the code flow more clear.

This is clearer, but what I think would be even cleaner, is if we simply
move the whole first time to a different probe_work and treat it like it
is instead of relying on resources existence as a state indicators
(tagset/admin_q). The shared portion can move to helpers.