- dn->dn_next_bonuslen[tx->tx_txg&TXG_MASK] = bonuslen;
- dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = blocksize;
+ if (dn->dn_datablksz != blocksize) {
+ /* change blocksize */
+ ASSERT(dn->dn_maxblkid == 0 &&
+ (BP_IS_HOLE(&dn->dn_phys->dn_blkptr[0]) ||
+ dnode_block_freed(dn, 0)));
+ dnode_setdblksz(dn, blocksize);
+ dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = blocksize;
+ }
+ if (dn->dn_bonuslen != bonuslen)
+ dn->dn_next_bonuslen[tx->tx_txg&TXG_MASK] = bonuslen;
+ nblkptr = 1 + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT);
+ if (dn->dn_nblkptr != nblkptr)
+ dn->dn_next_nblkptr[tx->tx_txg&TXG_MASK] = nblkptr;