Function vdev_trim_stop_wait_impl

freebsd/contrib/openzfs/module/zfs/vdev_trim.c:988–998

* Wait for the trimming thread to be terminated (canceled or stopped). */

 * Wait for the trimming thread to be terminated (canceled or stopped).
 */
static void
vdev_trim_stop_wait_impl(vdev_t *vd)
{
	ASSERT(MUTEX_HELD(&vd->vdev_trim_lock));

	while (vd->vdev_trim_thread != NULL)
		cv_wait(&vd->vdev_trim_cv, &vd->vdev_trim_lock);

	ASSERT3P(vd->vdev_trim_thread, ==, NULL);
	vd->vdev_trim_exit_wanted = B_FALSE;
}

/*
 * Wait for vdev trim threads which were listed to cleanly exit.