xchk_dir_walk
error = xchk_dir_walk(sc, sc->ip, xchk_dir_actor, sd);
error = xchk_dir_walk(rd->sc, ip, xrep_dir_scan_dirent, rd);
error = xchk_dir_walk(sc, dp, xrep_findparent_dirent, fpi);
error = xchk_dir_walk(sc, dp, xrep_dinode_findmode_dirent, ri);
error = xchk_dir_walk(sc, dp, xchk_nlinks_collect_dirent, xnc);
error = xchk_dir_walk(sc, dp, xchk_parent_actor, &spc);
error = xchk_dir_walk(rp->sc, ip, xrep_parent_scan_dirent, rp);
int xchk_dir_walk(struct xfs_scrub *sc, struct xfs_inode *dp,