diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 831157502d5ae58a25bcec65c9af58d5eabc871f..e0a85dbeeb887138b2389d417b2da3354af0d271 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -86,7 +86,7 @@ void __adfs_error(struct super_block *sb, const char *function,
 /* dir_*.c */
 extern const struct inode_operations adfs_dir_inode_operations;
 extern const struct file_operations adfs_dir_operations;
-extern struct dentry_operations adfs_dentry_operations;
+extern const struct dentry_operations adfs_dentry_operations;
 extern struct adfs_dir_ops adfs_f_dir_ops;
 extern struct adfs_dir_ops adfs_fplus_dir_ops;
 
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 85a30e929800aea513f28f3e7dfd6827bb39814f..e867ccf372466aaa495d360cc1605fb43a05dc95 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -263,7 +263,7 @@ adfs_compare(struct dentry *parent, struct qstr *entry, struct qstr *name)
 	return 0;
 }
 
-struct dentry_operations adfs_dentry_operations = {
+const struct dentry_operations adfs_dentry_operations = {
 	.d_hash		= adfs_hash,
 	.d_compare	= adfs_compare,
 };
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index e9ec915f7553f1e7e821d40a7ee9671b5c9eea1b..1a2d5e3c7f4eb5120dae33137d44cd0e9ef01849 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -199,8 +199,7 @@ extern const struct address_space_operations	 affs_symlink_aops;
 extern const struct address_space_operations	 affs_aops;
 extern const struct address_space_operations	 affs_aops_ofs;
 
-extern struct dentry_operations	 affs_dentry_operations;
-extern struct dentry_operations	 affs_dentry_operations_intl;
+extern const struct dentry_operations	 affs_dentry_operations;
 
 static inline void
 affs_set_blocksize(struct super_block *sb, int size)
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index cfcf1b6cf82be05dbd9001e494c55cfa26b4b790..960d336ec694c3d1dc83c7941753a2c7199f317a 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -19,12 +19,12 @@ static int	 affs_intl_toupper(int ch);
 static int	 affs_intl_hash_dentry(struct dentry *, struct qstr *);
 static int       affs_intl_compare_dentry(struct dentry *, struct qstr *, struct qstr *);
 
-struct dentry_operations affs_dentry_operations = {
+const struct dentry_operations affs_dentry_operations = {
 	.d_hash		= affs_hash_dentry,
 	.d_compare	= affs_compare_dentry,
 };
 
-static struct dentry_operations affs_intl_dentry_operations = {
+static const struct dentry_operations affs_intl_dentry_operations = {
 	.d_hash		= affs_intl_hash_dentry,
 	.d_compare	= affs_intl_compare_dentry,
 };
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 75b1fa90b2cb8ee205efc96bbbb8a7c71fc9a1e1..4bb9d0a5decc2a7f168a1886a01ef72cec5a5351 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -59,7 +59,7 @@ static int coda_return_EIO(void)
 }
 #define CODA_EIO_ERROR ((void *) (coda_return_EIO))
 
-static struct dentry_operations coda_dentry_operations =
+static const struct dentry_operations coda_dentry_operations =
 {
 	.d_revalidate	= coda_dentry_revalidate,
 	.d_delete	= coda_dentry_delete,
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 9955232fdf8c977abae64e327ca250468ee74654..052387e116716d014ff9a398a76597d6fb926131 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -213,7 +213,7 @@ extern void hfs_mdb_put(struct super_block *);
 extern int hfs_part_find(struct super_block *, sector_t *, sector_t *);
 
 /* string.c */
-extern struct dentry_operations hfs_dentry_operations;
+extern const struct dentry_operations hfs_dentry_operations;
 
 extern int hfs_hash_dentry(struct dentry *, struct qstr *);
 extern int hfs_strcmp(const unsigned char *, unsigned int,
diff --git a/fs/hfs/sysdep.c b/fs/hfs/sysdep.c
index 5bf89ec01cd4476ddf17d088aa7a58d8e303edc3..7478f5c219aa42336984117b937f84039af8a417 100644
--- a/fs/hfs/sysdep.c
+++ b/fs/hfs/sysdep.c
@@ -31,7 +31,7 @@ static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
 	return 1;
 }
 
-struct dentry_operations hfs_dentry_operations =
+const struct dentry_operations hfs_dentry_operations =
 {
 	.d_revalidate	= hfs_revalidate_dentry,
 	.d_hash		= hfs_hash_dentry,
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index f027a905225fc5f7a5c2dfe8b5d1e0764ec96c80..5c10d803d9df1ea10dd20b4c0c5b122b36b85e18 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -327,7 +327,7 @@ void hfsplus_file_truncate(struct inode *);
 /* inode.c */
 extern const struct address_space_operations hfsplus_aops;
 extern const struct address_space_operations hfsplus_btree_aops;
-extern struct dentry_operations hfsplus_dentry_operations;
+extern const struct dentry_operations hfsplus_dentry_operations;
 
 void hfsplus_inode_read_fork(struct inode *, struct hfsplus_fork_raw *);
 void hfsplus_inode_write_fork(struct inode *, struct hfsplus_fork_raw *);
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index f105ee9e1cc4aad0e244e19c883e77c610954294..1bcf597c05625c8023ddf6074d9efe2aca6b8e1e 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -137,7 +137,7 @@ const struct address_space_operations hfsplus_aops = {
 	.writepages	= hfsplus_writepages,
 };
 
-struct dentry_operations hfsplus_dentry_operations = {
+const struct dentry_operations hfsplus_dentry_operations = {
 	.d_hash       = hfsplus_hash_dentry,
 	.d_compare    = hfsplus_compare_dentry,
 };
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 5c538e0ec14beeba40899ea9eb20b83b8446388e..fe02ad4740e76a2b4246657575d2a0f682b254f1 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -31,12 +31,12 @@ static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode)
 
 #define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode)
 
-int hostfs_d_delete(struct dentry *dentry)
+static int hostfs_d_delete(struct dentry *dentry)
 {
 	return 1;
 }
 
-struct dentry_operations hostfs_dentry_ops = {
+static const struct dentry_operations hostfs_dentry_ops = {
 	.d_delete		= hostfs_d_delete,
 };
 
diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
index 08319126b2afa0c090b8c922350d6aaf4ad8d064..940d6d150beec4d609785c16aadb87a49b1689f7 100644
--- a/fs/hpfs/dentry.c
+++ b/fs/hpfs/dentry.c
@@ -49,7 +49,7 @@ static int hpfs_compare_dentry(struct dentry *dentry, struct qstr *a, struct qst
 	return 0;
 }
 
-static struct dentry_operations hpfs_dentry_operations = {
+static const struct dentry_operations hpfs_dentry_operations = {
 	.d_hash		= hpfs_hash_dentry,
 	.d_compare	= hpfs_compare_dentry,
 };
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 6147ec3643a0ebd6280c478f0032fd8a0f051cd4..13d2eddd0692d74b732f6b7b31ca2fbf5fd63014 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -114,7 +114,7 @@ static const struct super_operations isofs_sops = {
 };
 
 
-static struct dentry_operations isofs_dentry_ops[] = {
+static const struct dentry_operations isofs_dentry_ops[] = {
 	{
 		.d_hash		= isofs_hash,
 		.d_compare	= isofs_dentry_cmp,
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 07e9715b865887042b899299effe1c4f37a7e106..9c590722d87ea87fd458041815da3cd8a519b3d1 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -79,7 +79,7 @@ static int ncp_hash_dentry(struct dentry *, struct qstr *);
 static int ncp_compare_dentry (struct dentry *, struct qstr *, struct qstr *);
 static int ncp_delete_dentry(struct dentry *);
 
-static struct dentry_operations ncp_dentry_operations =
+static const struct dentry_operations ncp_dentry_operations =
 {
 	.d_revalidate	= ncp_lookup_validate,
 	.d_hash		= ncp_hash_dentry,
@@ -87,7 +87,7 @@ static struct dentry_operations ncp_dentry_operations =
 	.d_delete	= ncp_delete_dentry,
 };
 
-struct dentry_operations ncp_root_dentry_operations =
+const struct dentry_operations ncp_root_dentry_operations =
 {
 	.d_hash		= ncp_hash_dentry,
 	.d_compare	= ncp_compare_dentry,
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index ad92461cbfc3cadb5b2dcbb32725f108cc0f08a9..ae881ccd2f03472c24ba2aee911377787237ff84 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -1136,7 +1136,7 @@ xattr_lookup_poison(struct dentry *dentry, struct qstr *q1, struct qstr *name)
 	return 1;
 }
 
-static struct dentry_operations xattr_lookup_poison_ops = {
+static const struct dentry_operations xattr_lookup_poison_ops = {
 	.d_compare = xattr_lookup_poison,
 };
 
diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index e7ddd0328ddc79ce22f95896ba3dd063d275b73e..3e4803b4427e92e3fb4617ab278e4cc30902e52c 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -277,7 +277,7 @@ static int smb_hash_dentry(struct dentry *, struct qstr *);
 static int smb_compare_dentry(struct dentry *, struct qstr *, struct qstr *);
 static int smb_delete_dentry(struct dentry *);
 
-static struct dentry_operations smbfs_dentry_operations =
+static const struct dentry_operations smbfs_dentry_operations =
 {
 	.d_revalidate	= smb_lookup_validate,
 	.d_hash		= smb_hash_dentry,
@@ -285,7 +285,7 @@ static struct dentry_operations smbfs_dentry_operations =
 	.d_delete	= smb_delete_dentry,
 };
 
-static struct dentry_operations smbfs_dentry_operations_case =
+static const struct dentry_operations smbfs_dentry_operations_case =
 {
 	.d_revalidate	= smb_lookup_validate,
 	.d_delete	= smb_delete_dentry,
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index a1f1ef33e81c4c5584a86630ca1bca637b078fea..33e047b59b8d659975d6c325835f0d11a2df27d4 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -38,7 +38,7 @@ static int sysv_hash(struct dentry *dentry, struct qstr *qstr)
 	return 0;
 }
 
-struct dentry_operations sysv_dentry_operations = {
+const struct dentry_operations sysv_dentry_operations = {
 	.d_hash		= sysv_hash,
 };
 
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index 38ebe3f85b3d092059ae81f7ad3ad6ce2db78208..5784a318c8836e53cd0728087156f318a357c6ff 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -170,7 +170,7 @@ extern const struct file_operations sysv_file_operations;
 extern const struct file_operations sysv_dir_operations;
 extern const struct address_space_operations sysv_aops;
 extern const struct super_operations sysv_sops;
-extern struct dentry_operations sysv_dentry_operations;
+extern const struct dentry_operations sysv_dentry_operations;
 
 
 enum {
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index f69e66d151cca2b2972f720b0d477daebc0ad429..30b06c89394482f86955dfa69f8a9f912e98388d 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -204,7 +204,7 @@ void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 /* linux/fs/ncpfs/dir.c */
 extern const struct inode_operations ncp_dir_inode_operations;
 extern const struct file_operations ncp_dir_operations;
-extern struct dentry_operations ncp_root_dentry_operations;
+extern const struct dentry_operations ncp_root_dentry_operations;
 int ncp_conn_logged_in(struct super_block *);
 int ncp_date_dos2unix(__le16 time, __le16 date);
 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);