dmu_buf_hold_by_dnode
err = dmu_buf_hold_by_dnode(DMU_META_DNODE(rwa->os),
int dmu_buf_hold_by_dnode(dnode_t *dn, uint64_t offset,
int err = dmu_buf_hold_by_dnode(dn,
err = dmu_buf_hold_by_dnode(dn,
int err = dmu_buf_hold_by_dnode(dn,
int err = dmu_buf_hold_by_dnode(dn, 0, tag, &db, DMU_READ_NO_PREFETCH);
error = dmu_buf_hold_by_dnode(zv->zv_dn, offset, zgd, &db,