Get a PD for the device from the PD pool managed by the RDMA provider
when creating a QP, and put the PD when destroying the PD.
By this change, PD is managed completely by the RDMA provider or the hooks.
nvme_rdma_ctrlr::pd was added long time ago but is not referenced
anywhere. Remove nvme_rdma_ctrlr::pd for cleanup and clarification.
Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: If8dc8ad011eed70149012128bd1b33f1a8b7b90b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13770
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
d75daea532