diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2007-02-12 00:53:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:35 -0800 |
| commit | 067d7817310569f7b76ca08c4d071ca95ad4c1d3 (patch) | |
| tree | ee931bac235a3f9d0083edd7c00340121fe32767 | |
| parent | e79eff1f90826b207b1152fc87aa97fa74fb7f9c (diff) | |
[PATCH] knfsd: SUNRPC: Cache remote peer's address in svc_sock
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 <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/sunrpc/svcsock.h | 3 | ||||
| -rw-r--r-- | net/sunrpc/svcsock.c | 14 |
2 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h index f030409d299..cccea0a0feb 100644 --- a/include/linux/sunrpc/svcsock.h +++ b/include/linux/sunrpc/svcsock.h @@ -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 --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 7292baf5a74..1f97ed49fee 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -568,12 +568,13 @@ 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); @@ -585,11 +586,9 @@ svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, int buflen) 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); @@ -938,6 +937,9 @@ 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. |