ZIO_STAGE_VDEV_IO_START
(ZIO_STAGE_VDEV_IO_START | \
ZIO_STAGE_VDEV_IO_START | \
ZIO_STAGE_VDEV_IO_START)
ZIO_STAGE_VDEV_IO_START >> 1, pipeline);
ZIO_STAGE_VDEV_IO_START >> 1, ZIO_VDEV_CHILD_PIPELINE);
boolean_t cut = (stage == ZIO_STAGE_VDEV_IO_START) ?
zio->io_stage = ZIO_STAGE_VDEV_IO_START >> 1;
ASSERT(zio->io_stage == ZIO_STAGE_VDEV_IO_START);
ASSERT(zio->io_stage == ZIO_STAGE_VDEV_IO_START);
pio->io_stage < ZIO_STAGE_VDEV_IO_START ? ZIO_TASKQ_ISSUE :