DMU_POOL_ZPOOL_CHECKPOINT
DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ZPOOL_CHECKPOINT);
DMU_POOL_ZPOOL_CHECKPOINT), ==, ENOENT);
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ZPOOL_CHECKPOINT,
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ZPOOL_CHECKPOINT));
DMU_POOL_ZPOOL_CHECKPOINT, tx));