Add a bdev_io pointer to struct bdevperf_task.
In bdevperf_zcopy_get_buf_complete() which is the callback to
spdk_bdev_zcopy_start(), bdev_io is saved into the current task.
Then bdevperf_submit_task() will call spdk_bdev_zcopy_end()
by using the saved bdev_io.
Besides, when spdk_bdev_zcopy_start() is called with populate=false,
increment target->current_queue_depth when it completes successfully,
and do not increment target->current_queue_depth when the corresponding
spdk_bdev_zcopy_end() is called with commit=true.
The reason is that IO processing is already started when
spdk_bdev_zcopy_start() is called.
The next patch will use zcopy APIs for write I/O with verify or
reset cases.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I12f3b1ccac726abe345a64f06e33d65d2a3538fd
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467900
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>