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Subject[PATCH 12/30] NFS: Add extra const qualifiers [try #11]
Date
Add some extra const qualifiers into NFS.

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

fs/nfs/namespace.c | 3 ++-
fs/nfs/nfs3proc.c | 2 +-
fs/nfs/nfs4namespace.c | 8 ++++----
fs/nfs/nfs4proc.c | 2 +-
fs/nfs/proc.c | 2 +-
fs/nfs/super.c | 10 +++++-----
include/linux/nfs_fs_sb.h | 2 +-
include/linux/nfs_xdr.h | 6 +++---
8 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 19b98ca..460a978 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -170,7 +170,8 @@ 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 7143b1f..3e53712 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -886,7 +886,7 @@ nfs3_proc_lock(struct file *filp, int cm
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 ea38d27..faed9bc 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -23,7 +23,7 @@ #define NFSDBG_FACILITY NFSDBG_VFS
/*
* 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

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_refer

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 2925d37..a3adfb1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3736,7 +3736,7 @@ static struct inode_operations nfs4_file
.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 b3899ea..7767690 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -671,7 +671,7 @@ nfs_proc_lock(struct file *filp, int cmd
}


-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 4e128fe..65e1bec 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -324,10 +324,10 @@ static const char *nfs_pseudoflavour_to_
*/
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", "" },
@@ -337,9 +337,9 @@ static void nfs_show_mount_options(struc
{ 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);
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index a727657..95f32d5 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -73,7 +73,7 @@ struct nfs_server {
struct rpc_clnt * client; /* RPC client handle */
struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */
struct rpc_clnt * client_acl; /* ACL RPC client handle */
- struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */
+ const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */
struct nfs_iostats * io_stats; /* I/O statistics */
struct backing_dev_info backing_dev_info;
int flags; /* various flags */
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 24ceac1..7f5b96e 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -833,9 +833,9 @@ #define NFS_CALL(op, inode, args) NFS_PR
/*
* Function vectors etc. for the NFS client
*/
-extern struct nfs_rpc_ops nfs_v2_clientops;
-extern struct nfs_rpc_ops nfs_v3_clientops;
-extern struct nfs_rpc_ops nfs_v4_clientops;
+extern const struct nfs_rpc_ops nfs_v2_clientops;
+extern const struct nfs_rpc_ops nfs_v3_clientops;
+extern const struct nfs_rpc_ops nfs_v4_clientops;
extern struct rpc_version nfs_version2;
extern struct rpc_version nfs_version3;
extern struct rpc_version nfs_version4;
-
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