| 383 | } |
| 384 | |
| 385 | void |
| 386 | dnode_setbonuslen(dnode_t *dn, int newsize, dmu_tx_t *tx) |
| 387 | { |
| 388 | ASSERT3U(zfs_refcount_count(&dn->dn_holds), >=, 1); |
| 389 | |
| 390 | dnode_setdirty(dn, tx); |
| 391 | rw_enter(&dn->dn_struct_rwlock, RW_WRITER); |
| 392 | ASSERT3U(newsize, <=, DN_SLOTS_TO_BONUSLEN(dn->dn_num_slots) - |
| 393 | (dn->dn_nblkptr-1) * sizeof (blkptr_t)); |
| 394 | |
| 395 | if (newsize < dn->dn_bonuslen) { |
| 396 | /* clear any data after the end of the new size */ |
| 397 | size_t diff = dn->dn_bonuslen - newsize; |
| 398 | char *data_end = ((char *)dn->dn_bonus->db.db_data) + newsize; |
| 399 | bzero(data_end, diff); |
| 400 | } |
| 401 | |
| 402 | dn->dn_bonuslen = newsize; |
| 403 | if (newsize == 0) |
| 404 | dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = DN_ZERO_BONUSLEN; |
| 405 | else |
| 406 | dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = dn->dn_bonuslen; |
| 407 | rw_exit(&dn->dn_struct_rwlock); |
| 408 | } |
| 409 | |
| 410 | void |
| 411 | dnode_setbonus_type(dnode_t *dn, dmu_object_type_t newtype, dmu_tx_t *tx) |
no test coverage detected