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-rw-r--r--fs/nfs/super.c50
1 files changed, 30 insertions, 20 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f48db679a1c..d6686f4786d 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -75,6 +75,7 @@ enum {
Opt_acl, Opt_noacl,
Opt_rdirplus, Opt_nordirplus,
Opt_sharecache, Opt_nosharecache,
+ Opt_resvport, Opt_noresvport,
/* Mount options that take integer arguments */
Opt_port,
@@ -129,6 +130,8 @@ static const match_table_t nfs_mount_option_tokens = {
{ Opt_nordirplus, "nordirplus" },
{ Opt_sharecache, "sharecache" },
{ Opt_nosharecache, "nosharecache" },
+ { Opt_resvport, "resvport" },
+ { Opt_noresvport, "noresvport" },
{ Opt_port, "port=%u" },
{ Opt_rsize, "rsize=%u" },
@@ -462,14 +465,12 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
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));
+ seq_printf(m, ",mountaddr=%pI4", &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));
+ seq_printf(m, ",mountaddr=%pI6", &sin6->sin6_addr);
break;
}
default:
@@ -514,7 +515,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
{ NFS_MOUNT_NONLM, ",nolock", "" },
{ NFS_MOUNT_NOACL, ",noacl", "" },
{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
- { NFS_MOUNT_UNSHARED, ",nosharecache", ""},
+ { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+ { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
{ 0, NULL, NULL }
};
const struct proc_nfs_info *nfs_infop;
@@ -1035,6 +1037,12 @@ static int nfs_parse_mount_options(char *raw,
case Opt_nosharecache:
mnt->flags |= NFS_MOUNT_UNSHARED;
break;
+ case Opt_resvport:
+ mnt->flags &= ~NFS_MOUNT_NORESVPORT;
+ break;
+ case Opt_noresvport:
+ mnt->flags |= NFS_MOUNT_NORESVPORT;
+ break;
/*
* options that take numeric values
@@ -1329,8 +1337,14 @@ out_security_failure:
static int nfs_try_mount(struct nfs_parsed_mount_data *args,
struct nfs_fh *root_fh)
{
- struct sockaddr *sap = (struct sockaddr *)&args->mount_server.address;
- char *hostname;
+ struct nfs_mount_request request = {
+ .sap = (struct sockaddr *)
+ &args->mount_server.address,
+ .dirpath = args->nfs_server.export_path,
+ .protocol = args->mount_server.protocol,
+ .fh = root_fh,
+ .noresvport = args->flags & NFS_MOUNT_NORESVPORT,
+ };
int status;
if (args->mount_server.version == 0) {
@@ -1339,42 +1353,38 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
else
args->mount_server.version = NFS_MNT_VERSION;
}
+ request.version = args->mount_server.version;
if (args->mount_server.hostname)
- hostname = args->mount_server.hostname;
+ request.hostname = args->mount_server.hostname;
else
- hostname = args->nfs_server.hostname;
+ request.hostname = args->nfs_server.hostname;
/*
* Construct the mount server's address.
*/
if (args->mount_server.address.ss_family == AF_UNSPEC) {
- memcpy(sap, &args->nfs_server.address,
+ memcpy(request.sap, &args->nfs_server.address,
args->nfs_server.addrlen);
args->mount_server.addrlen = args->nfs_server.addrlen;
}
+ request.salen = args->mount_server.addrlen;
/*
* autobind will be used if mount_server.port == 0
*/
- nfs_set_port(sap, args->mount_server.port);
+ nfs_set_port(request.sap, args->mount_server.port);
/*
* Now ask the mount server to map our export path
* to a file handle.
*/
- status = nfs_mount(sap,
- args->mount_server.addrlen,
- hostname,
- args->nfs_server.export_path,
- args->mount_server.version,
- args->mount_server.protocol,
- root_fh);
+ status = nfs_mount(&request);
if (status == 0)
return 0;
dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n",
- hostname, status);
+ request.hostname, status);
return status;
}
@@ -2421,7 +2431,7 @@ static void nfs4_kill_super(struct super_block *sb)
{
struct nfs_server *server = NFS_SB(sb);
- nfs_return_all_delegations(sb);
+ nfs_super_return_all_delegations(sb);
kill_anon_super(sb);
nfs4_renewd_prepare_shutdown(server);