ZIO_COMPRESS_INHERIT
if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
ASSERT(newval != ZIO_COMPRESS_INHERIT);
dn->dn_compress = ZIO_COMPRESS_INHERIT;
dn->dn_compress = ZIO_COMPRESS_INHERIT;
ASSERT(parent != ZIO_COMPRESS_INHERIT);
if (result == ZIO_COMPRESS_INHERIT)