Use the macros for red black tree provided by Free BSD to speed up bdev
name lookup in spdk_bdev_get_by_name().
In the bdev_multi_allocation test, we can get 3x ~ 5x speed up when
creating multiple bdevs for various bdev nums.
Signed-off-by: Jiewei Ke <jiewei@smartx.com>
Change-Id: I49a2fbcccf06d4c36cbd445ce59e0b0dd4ada31d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7837
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot