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-rw-r--r--fs/nfs/client.c11
-rw-r--r--fs/nfs/super.c12
-rw-r--r--include/linux/nfs_mount.h3
3 files changed, 20 insertions, 6 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 27190337fc13..3a69cacc4fa4 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -627,7 +627,8 @@ static int nfs_init_client(struct nfs_client *clp,
* Create a client RPC handle for doing FSSTAT with UNIX auth only
* - RFC 2623, sec 2.3.2
*/
- error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX, 0, 0);
+ error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX,
+ 0, data->flags & NFS_MOUNT_NORESVPORT);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
@@ -969,7 +970,8 @@ error:
static int nfs4_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
const char *ip_addr,
- rpc_authflavor_t authflavour)
+ rpc_authflavor_t authflavour,
+ int flags)
{
int error;
@@ -983,7 +985,7 @@ static int nfs4_init_client(struct nfs_client *clp,
clp->rpc_ops = &nfs_v4_clientops;
error = nfs_create_rpc_client(clp, timeparms, authflavour,
- 1, 0);
+ 1, flags & NFS_MOUNT_NORESVPORT);
if (error < 0)
goto error;
memcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
@@ -1034,7 +1036,8 @@ static int nfs4_set_client(struct nfs_server *server,
error = PTR_ERR(clp);
goto error;
}
- error = nfs4_init_client(clp, timeparms, ip_addr, authflavour);
+ error = nfs4_init_client(clp, timeparms, ip_addr, authflavour,
+ server->flags);
if (error < 0)
goto error_put;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2b0c8e132b54..e05a77be3068 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" },
@@ -514,7 +517,8 @@ 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 +1039,12 @@ 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
diff --git a/include/linux/nfs_mount.h b/include/linux/nfs_mount.h
index 6549a06ac16e..4499016e6d0d 100644
--- a/include/linux/nfs_mount.h
+++ b/include/linux/nfs_mount.h
@@ -45,7 +45,7 @@ struct nfs_mount_data {
char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
};
-/* bits in the flags field */
+/* bits in the flags field visible to user space */
#define NFS_MOUNT_SOFT 0x0001 /* 1 */
#define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */
@@ -68,5 +68,6 @@ struct nfs_mount_data {
/* The following are for internal use only */
#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
#define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000
+#define NFS_MOUNT_NORESVPORT 0x40000
#endif