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| author | Chuck Lever <chuck.lever@oracle.com> | 2008-10-16 17:41:11 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-10-17 13:06:41 -0400 |
| commit | 18de9735300756e3ca9c361ef58409d8561dfe0d (patch) | |
| tree | 5222cb1952b6de6d3b36576384026a7c2f4c0395 | |
| parent | 2e532d68a2b3e2aa6b19731501222069735c741c (diff) | |
| download | linux-stable-18de9735300756e3ca9c361ef58409d8561dfe0d.tar.gz linux-stable-18de9735300756e3ca9c361ef58409d8561dfe0d.tar.bz2 linux-stable-18de9735300756e3ca9c361ef58409d8561dfe0d.zip | |
NFS: Enable NFSv4 callback server to listen on AF_INET6 sockets
Allow the NFS callback server to listen for requests via an AF_INET6 or
AF_INET socket when IPv6 support is present in the kernel.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/callback.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 6a09760c5960..c2e9cfd9e5a4 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -40,6 +40,16 @@ unsigned short nfs_callback_tcpport; static const int nfs_set_port_min = 0; static const int nfs_set_port_max = 65535; +/* + * If the kernel has IPv6 support available, always listen for + * both AF_INET and AF_INET6 requests. + */ +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +static const sa_family_t nfs_callback_family = AF_INET6; +#else +static const sa_family_t nfs_callback_family = AF_INET; +#endif + static int param_set_port(const char *val, struct kernel_param *kp) { char *endp; @@ -106,7 +116,7 @@ int nfs_callback_up(void) if (nfs_callback_info.users++ || nfs_callback_info.task != NULL) goto out; serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, - AF_INET, NULL); + nfs_callback_family, NULL); ret = -ENOMEM; if (!serv) goto out_err; @@ -116,7 +126,8 @@ int nfs_callback_up(void) if (ret <= 0) goto out_err; nfs_callback_tcpport = ret; - dprintk("Callback port = 0x%x\n", nfs_callback_tcpport); + dprintk("NFS: Callback listener port = %u (af %u)\n", + nfs_callback_tcpport, nfs_callback_family); nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]); if (IS_ERR(nfs_callback_info.rqst)) { @@ -149,8 +160,8 @@ out: mutex_unlock(&nfs_callback_mutex); return ret; out_err: - dprintk("Couldn't create callback socket or server thread; err = %d\n", - ret); + dprintk("NFS: Couldn't create callback socket or server thread; " + "err = %d\n", ret); nfs_callback_info.users--; goto out; } |