NFS: Add extra const qualifiers

Add some extra const qualifiers into NFS.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

6 files changed, 14 insertions, 13 deletions

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 86b3169c8cac..85d9ed1dcf42 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -172,7 +172,8 @@ void nfs_release_automount_timer(void)
 /*
  * Clone a mountpoint of the appropriate type
  */
-static struct vfsmount *nfs_do_clone_mount(struct nfs_server *server, char *devname,
+static struct vfsmount *nfs_do_clone_mount(struct nfs_server *server,
+                                           const char *devname,
                                            struct nfs_clone_mount *mountdata)
 {
 #ifdef CONFIG_NFS_V4
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 7143b1f82cea..3e5371241cea 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -886,7 +886,7 @@ nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
         return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl);
 }
 
-struct nfs_rpc_ops      nfs_v3_clientops = {
+const struct nfs_rpc_ops nfs_v3_clientops = {
         .version        = 3,                    /* protocol version */
         .dentry_ops     = &nfs_dentry_operations,
         .dir_inode_ops  = &nfs3_dir_inode_operations,
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index ea38d27b74e6..faed9bcba50f 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -23,7 +23,7 @@
 /*
  * Check if fs_root is valid
  */
-static inline char *nfs4_pathname_string(struct nfs4_pathname *pathname,
+static inline char *nfs4_pathname_string(const struct nfs4_pathname *pathname,
                                          char *buffer, ssize_t buflen)
 {
         char *end = buffer + buflen;
@@ -34,7 +34,7 @@ static inline char *nfs4_pathname_string(struct nfs4_pathname *pathname,
 
         n = pathname->ncomponents;
         while (--n >= 0) {
-                struct nfs4_string *component = &pathname->components[n];
+                const struct nfs4_string *component = &pathname->components[n];
                 buflen -= component->len + 1;
                 if (buflen < 0)
                         goto Elong;
@@ -60,7 +60,7 @@ Elong:
  */
 static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
                                             const struct dentry *dentry,
-                                            struct nfs4_fs_locations *locations)
+                                            const struct nfs4_fs_locations *locations)
 {
         struct vfsmount *mnt = ERR_PTR(-ENOENT);
         struct nfs_clone_mount mountdata = {
@@ -108,7 +108,7 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
 
         loc = 0;
         while (loc < locations->nlocations && IS_ERR(mnt)) {
-                struct nfs4_fs_location *location = &locations->locations[loc];
+                const struct nfs4_fs_location *location = &locations->locations[loc];
                 char *mnt_path;
 
                 if (location == NULL || location->nservers <= 0 ||
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 803c31b88bb5..061be713b206 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3761,7 +3761,7 @@ static struct inode_operations nfs4_file_inode_operations = {
         .listxattr      = nfs4_listxattr,
 };
 
-struct nfs_rpc_ops      nfs_v4_clientops = {
+const struct nfs_rpc_ops nfs_v4_clientops = {
         .version        = 4,                    /* protocol version */
         .dentry_ops     = &nfs4_dentry_operations,
         .dir_inode_ops  = &nfs4_dir_inode_operations,
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index b3899ea3229e..77676903e0f5 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -671,7 +671,7 @@ nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
 }
 
 
-struct nfs_rpc_ops      nfs_v2_clientops = {
+const struct nfs_rpc_ops nfs_v2_clientops = {
         .version        = 2,                   /* protocol version */
         .dentry_ops     = &nfs_dentry_operations,
         .dir_inode_ops  = &nfs_dir_inode_operations,
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a41d516ed595..c97f30967955 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -329,10 +329,10 @@ static const char *nfs_pseudoflavour_to_name(rpc_authflavor_t flavour)
  */
 static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, int showdefaults)
 {
-        static struct proc_nfs_info {
+        static const struct proc_nfs_info {
                 int flag;
-                char *str;
-                char *nostr;
+                const char *str;
+                const char *nostr;
         } nfs_info[] = {
                 { NFS_MOUNT_SOFT, ",soft", ",hard" },
                 { NFS_MOUNT_INTR, ",intr", "" },
@@ -342,9 +342,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
                 { NFS_MOUNT_NOACL, ",noacl", "" },
                 { 0, NULL, NULL }
         };
-        struct proc_nfs_info *nfs_infop;
+        const struct proc_nfs_info *nfs_infop;
         char buf[12];
-        char *proto;
+        const char *proto;
 
         seq_printf(m, ",vers=%d", nfss->rpc_ops->version);
         seq_printf(m, ",rsize=%d", nfss->rsize);