From: Chuck Lever <[EMAIL PROTECTED]> The remote peer's address won't change after the socket has been accepted. We don't need to call ->getname on every incoming request.
Signed-off-by: Chuck Lever <[EMAIL PROTECTED]> Cc: Aurelien Charbon <[EMAIL PROTECTED]> Signed-off-by: Neil Brown <[EMAIL PROTECTED]> ### Diffstat output ./include/linux/sunrpc/svcsock.h | 3 +++ ./net/sunrpc/svcsock.c | 14 ++++++++------ 2 files changed, 11 insertions(+), 6 deletions(-) diff .prev/include/linux/sunrpc/svcsock.h ./include/linux/sunrpc/svcsock.h --- .prev/include/linux/sunrpc/svcsock.h 2007-02-02 15:17:11.000000000 +1100 +++ ./include/linux/sunrpc/svcsock.h 2007-02-02 15:21:28.000000000 +1100 @@ -57,6 +57,9 @@ struct svc_sock { /* cache of various info for TCP sockets */ void *sk_info_authunix; + + struct sockaddr_storage sk_remote; /* remote peer's address */ + int sk_remotelen; /* length of address */ }; /* diff .prev/net/sunrpc/svcsock.c ./net/sunrpc/svcsock.c --- .prev/net/sunrpc/svcsock.c 2007-02-02 15:18:37.000000000 +1100 +++ ./net/sunrpc/svcsock.c 2007-02-02 15:21:55.000000000 +1100 @@ -560,12 +560,13 @@ svc_recv_available(struct svc_sock *svsk static int svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, int buflen) { + struct svc_sock *svsk = rqstp->rq_sock; struct msghdr msg; struct socket *sock; - int len, alen; + int len; rqstp->rq_addrlen = sizeof(rqstp->rq_addr); - sock = rqstp->rq_sock->sk_sock; + sock = svsk->sk_sock; msg.msg_name = &rqstp->rq_addr; msg.msg_namelen = sizeof(rqstp->rq_addr); @@ -577,11 +578,9 @@ svc_recvfrom(struct svc_rqst *rqstp, str len = kernel_recvmsg(sock, &msg, iov, nr, buflen, MSG_DONTWAIT); /* sock_recvmsg doesn't fill in the name/namelen, so we must.. - * possibly we should cache this in the svc_sock structure - * at accept time. FIXME */ - alen = sizeof(rqstp->rq_addr); - kernel_getpeername(sock, (struct sockaddr *)&rqstp->rq_addr, &alen); + memcpy(&rqstp->rq_addr, &svsk->sk_remote, svsk->sk_remotelen); + rqstp->rq_addrlen = svsk->sk_remotelen; dprintk("svc: socket %p recvfrom(%p, %Zu) = %d\n", rqstp->rq_sock, iov[0].iov_base, iov[0].iov_len, len); @@ -925,6 +924,9 @@ svc_tcp_accept(struct svc_sock *svsk) if (!(newsvsk = svc_setup_socket(serv, newsock, &err, (SVC_SOCK_ANONYMOUS | SVC_SOCK_TEMPORARY)))) goto failed; + memcpy(&newsvsk->sk_remote, &sin, slen); + newsvsk->sk_remotelen = slen; + svc_sock_received(newsvsk); /* make sure that we don't have too many active connections. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/