Symbol: ZIO_CHECKSUM_ON_VALUE
usr/src/uts/common/fs/zfs/dmu_objset.c
181
os->os_checksum = zio_checksum_select(newval, ZIO_CHECKSUM_ON_VALUE);
usr/src/uts/common/fs/zfs/zio_checksum.c
232
return (ZIO_CHECKSUM_ON_VALUE);