diff options
author | Chuck Lever <chuck.lever@oracle.com> | 2008-03-14 14:10:37 -0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-03-19 18:00:29 -0400 |
commit | 82d101d58a2312297ee79f96d44c1d8c7fe1032d (patch) | |
tree | f2a94db2eabe5d2904fc24f3504deae5f86b079d | |
parent | 3f8400d1f1f9d5fb175bdbf6236e564dde454f28 (diff) |
NFS: Show most mount options via nfs_show_options()
Display all mount options in /proc/mount which may be needed to reconstruct
a previous mount.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r-- | fs/nfs/super.c | 67 |
1 files changed, 65 insertions, 2 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 3c6f53aa7317..c99ca1f992ce 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -441,10 +441,52 @@ static const char *nfs_pseudoflavour_to_name(rpc_authflavor_t flavour) return sec_flavours[i].str; } +static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss, + int showdefaults) +{ + struct sockaddr *sap = (struct sockaddr *)&nfss->mountd_address; + + switch (sap->sa_family) { + case AF_INET: { + struct sockaddr_in *sin = (struct sockaddr_in *)sap; + seq_printf(m, ",mountaddr=" NIPQUAD_FMT, + NIPQUAD(sin->sin_addr.s_addr)); + break; + } + case AF_INET6: { + struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap; + seq_printf(m, ",mountaddr=" NIP6_FMT, + NIP6(sin6->sin6_addr)); + break; + } + default: + if (showdefaults) + seq_printf(m, ",mountaddr=unspecified"); + } + + if (nfss->mountd_version || showdefaults) + seq_printf(m, ",mountvers=%u", nfss->mountd_version); + if (nfss->mountd_port || showdefaults) + seq_printf(m, ",mountport=%u", nfss->mountd_port); + + switch (nfss->mountd_protocol) { + case IPPROTO_UDP: + seq_printf(m, ",mountproto=udp"); + break; + case IPPROTO_TCP: + seq_printf(m, ",mountproto=tcp"); + break; + default: + if (showdefaults) + seq_printf(m, ",mountproto=auto"); + } +} + /* * Describe the mount options in force on this server representation */ -static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, int showdefaults) +static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, + int showdefaults) { static const struct proc_nfs_info { int flag; @@ -452,6 +494,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, const char *nostr; } nfs_info[] = { { NFS_MOUNT_SOFT, ",soft", ",hard" }, + { NFS_MOUNT_INTR, ",intr", ",nointr" }, + { NFS_MOUNT_POSIX, ",posix", "" }, { NFS_MOUNT_NOCTO, ",nocto", "" }, { NFS_MOUNT_NOAC, ",noac", "" }, { NFS_MOUNT_NONLM, ",nolock", "" }, @@ -462,10 +506,14 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, }; const struct proc_nfs_info *nfs_infop; struct nfs_client *clp = nfss->nfs_client; + u32 version = clp->rpc_ops->version; - seq_printf(m, ",vers=%u", clp->rpc_ops->version); + seq_printf(m, ",vers=%u", version); seq_printf(m, ",rsize=%u", nfss->rsize); seq_printf(m, ",wsize=%u", nfss->wsize); + if (nfss->bsize != 0) + seq_printf(m, ",bsize=%u", nfss->bsize); + seq_printf(m, ",namlen=%u", nfss->namelen); if (nfss->acregmin != 3*HZ || showdefaults) seq_printf(m, ",acregmin=%u", nfss->acregmin/HZ); if (nfss->acregmax != 60*HZ || showdefaults) @@ -482,9 +530,24 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, } seq_printf(m, ",proto=%s", rpc_peeraddr2str(nfss->client, RPC_DISPLAY_PROTO)); + if (version == 4) { + if (nfss->port != NFS_PORT) + seq_printf(m, ",port=%u", nfss->port); + } else + if (nfss->port) + seq_printf(m, ",port=%u", nfss->port); + seq_printf(m, ",timeo=%lu", 10U * nfss->client->cl_timeout->to_initval / HZ); seq_printf(m, ",retrans=%u", nfss->client->cl_timeout->to_retries); seq_printf(m, ",sec=%s", nfs_pseudoflavour_to_name(nfss->client->cl_auth->au_flavor)); + + if (version != 4) + nfs_show_mountd_options(m, nfss, showdefaults); + +#ifdef CONFIG_NFS_V4 + if (clp->rpc_ops->version == 4) + seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr); +#endif } /* |