perm_sock 872 fs/nfsd/nfssvc.c struct svc_xprt *perm_sock = list_entry(rqstp->rq_server->sv_permsocks.next, typeof(struct svc_xprt), xpt_list); perm_sock 873 fs/nfsd/nfssvc.c struct net *net = perm_sock->xpt_net;