When users call the RPC to add a NVMe controller, block NVMe driver
will create controller and block devices based on Namespaces, so
wrapper the two actions together with a intermediate function,
this will make the code looks more clean for the coming patch.
Change-Id: Iddc072042eb2df90662c42e04427307ccf5d5633
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/445658
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
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