The original io channel is not used directly, only its context (struct
raid_bdev_io_channel) which contains member bdevs' io channels. Store it
directly in raid_bdev_io to eliminate conversions.
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Change-Id: Ibff64f75ceff9bf1d431cc3071dfc99f374107ea
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471081
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>