nfsrc_hash
(&nfsrvudphashtbl[nfsrc_hash(xid)])
(&nfsrchash_table[nfsrc_hash(xid)].tbl)
#define NFSRCAHASH(xid) (&nfsrcahash_table[nfsrc_hash(xid)])
return (&nfsrchash_table[nfsrc_hash(rp->rc_xid)].mtx);