xtpage
sizeof(xtpage_t), (char *)xtpage);
jfs.xad = &xtpage->xad[2];
} while (!(xtpage->header.flag & BT_LEAF));
jfs.xlastindex = xtpage->header.nextindex;
} else if (xtpage->header.next) {
devread (xtpage->header.next << jfs.bdlog, 0,
sizeof(xtpage_t), (char *)xtpage);
jfs.xlastindex = xtpage->header.nextindex;
jfs.xad = &xtpage->xad[XTENTRYSTART];