diff options
| author | alfred <alfred@FreeBSD.org> | 2004-07-12 06:22:42 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2004-07-12 06:22:42 +0000 |
| commit | 031e087d2c3a8f23b40ec3cd62b741f935e1e2e6 (patch) | |
| tree | bf496bf6af68cb9b9d21598b856b458f96bb8fab /sys/nfsclient/nfs_socket.c | |
| parent | df5304b63cb13fff0de92961ba80dea84c5c552c (diff) | |
| download | FreeBSD-src-031e087d2c3a8f23b40ec3cd62b741f935e1e2e6.zip FreeBSD-src-031e087d2c3a8f23b40ec3cd62b741f935e1e2e6.tar.gz | |
Use SO_REUSEADDR and SO_REUSEPORT when reconnecting NFS mounts.
Tune the timeout from 5 seconds to 12 seconds.
Provide a sysctl to show how many reconnects the NFS client has done.
Seems to fix IPv6 from: kuriyama
Diffstat (limited to 'sys/nfsclient/nfs_socket.c')
| -rw-r--r-- | sys/nfsclient/nfs_socket.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/nfsclient/nfs_socket.c b/sys/nfsclient/nfs_socket.c index f602e42..191d5d2 100644 --- a/sys/nfsclient/nfs_socket.c +++ b/sys/nfsclient/nfs_socket.c @@ -111,12 +111,15 @@ static int proct[NFS_NPROCS] = { static int nfs_realign_test; static int nfs_realign_count; static int nfs_bufpackets = 4; +static int nfs_reconnects; SYSCTL_DECL(_vfs_nfs); SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test, 0, ""); SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, 0, ""); SYSCTL_INT(_vfs_nfs, OID_AUTO, bufpackets, CTLFLAG_RW, &nfs_bufpackets, 0, ""); +SYSCTL_INT(_vfs_nfs, OID_AUTO, reconnects, CTLFLAG_RD, &nfs_reconnects, 0, + "number of times the nfs client has had to reconnect"); /* @@ -157,7 +160,7 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) { struct socket *so; int error, rcvreserve, sndreserve; - int pktscale; + int opt, pktscale; struct sockaddr *saddr; struct thread *td = &thread0; /* only used for socreate and sobind */ @@ -172,6 +175,10 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) so = nmp->nm_so; nmp->nm_soflags = so->so_proto->pr_flags; + opt = 1; + (void)kern_setsockopt(so, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); + (void)kern_setsockopt(so, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); + /* * Some servers require that the client port be a reserved port number. */ @@ -261,7 +268,7 @@ nfs_connect(struct nfsmount *nmp, struct nfsreq *rep) } SOCK_UNLOCK(so); } - so->so_rcv.sb_timeo = 5 * hz; + so->so_rcv.sb_timeo = 12 * hz; so->so_snd.sb_timeo = 5 * hz; /* @@ -357,6 +364,7 @@ nfs_reconnect(struct nfsreq *rep) struct nfsmount *nmp = rep->r_nmp; int error; + nfs_reconnects++; nfs_disconnect(nmp); while ((error = nfs_connect(nmp, rep)) != 0) { if (error == ERESTART) |
