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hw/block/nvme: split setup and register for namespace
In NVMe, namespace is being attached to process I/O. We register NVMe
namespace to a controller via nvme_register_namespace() during
nvme_ns_setup(). This is main reason of receiving NvmeCtrl object
instance to this function to map the namespace to a controller.
To make namespace instance more independent, it should be split into two
parts: setup and register. This patch split them into two differnt
parts, and finally nvme_ns_setup() does not have nothing to do with
NvmeCtrl instance at all.
This patch is a former patch to introduce NVMe subsystem scheme to the
existing design especially for multi-path. In that case, it should be
split into two to make namespace independent from a controller.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>