Added helper functions nvme_ns_alloc() and nvme_ns_free().
This is a preparation for next patch where we will allocate or free
I/O statistics of nvme_ns when this nvme_ns is allocated or freed.
Change-Id: I54b0dba61bd19923178ba4bed97677cf628ba509
Signed-off-by: Richael Zhuang <richael.zhuang@arm.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16300
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
9c6d4dbebb