DB_RF_NOPREFETCH
(flags & DB_RF_NOPREFETCH) == 0 && dn != NULL &&
DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH, tx);
DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH | DB_RF_NO_DECRYPT, tx);
(DB_RF_HAVESTRUCT | DB_RF_NOPREFETCH | DB_RF_CANFAIL));
DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH | DB_RF_HAVESTRUCT);
db_flags |= DB_RF_NOPREFETCH;
db_flags |= DB_RF_NOPREFETCH;
db_flags |= DB_RF_NOPREFETCH;
db_flags |= DB_RF_NOPREFETCH;
DB_RF_NOPREFETCH;
err = dbuf_read(db, zio, DB_RF_CANFAIL | DB_RF_NOPREFETCH);