spa_vdev_indirect_mark_obsolete
spa_vdev_indirect_mark_obsolete(spa, vdev, offset, size, tx);
spa_vdev_indirect_mark_obsolete(spa, vdev, offset, size, tx);
spa_vdev_indirect_mark_obsolete(scn->scn_dp->dp_spa,
extern void spa_vdev_indirect_mark_obsolete(spa_t *spa, uint64_t vdev,