diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3e4d679..9096fd0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -55,11 +55,11 @@
 	struct btrfs_root *root;
 };
 
-static struct inode_operations btrfs_dir_inode_operations;
-static struct inode_operations btrfs_symlink_inode_operations;
-static struct inode_operations btrfs_dir_ro_inode_operations;
-static struct inode_operations btrfs_special_inode_operations;
-static struct inode_operations btrfs_file_inode_operations;
+static const struct inode_operations btrfs_dir_inode_operations;
+static const struct inode_operations btrfs_symlink_inode_operations;
+static const struct inode_operations btrfs_dir_ro_inode_operations;
+static const struct inode_operations btrfs_special_inode_operations;
+static const struct inode_operations btrfs_file_inode_operations;
 static const struct address_space_operations btrfs_aops;
 static const struct address_space_operations btrfs_symlink_aops;
 static struct file_operations btrfs_dir_file_operations;
@@ -5201,7 +5201,7 @@
 	return generic_permission(inode, mask, btrfs_check_acl);
 }
 
-static struct inode_operations btrfs_dir_inode_operations = {
+static const struct inode_operations btrfs_dir_inode_operations = {
 	.getattr	= btrfs_getattr,
 	.lookup		= btrfs_lookup,
 	.create		= btrfs_create,
@@ -5219,7 +5219,7 @@
 	.removexattr	= btrfs_removexattr,
 	.permission	= btrfs_permission,
 };
-static struct inode_operations btrfs_dir_ro_inode_operations = {
+static const struct inode_operations btrfs_dir_ro_inode_operations = {
 	.lookup		= btrfs_lookup,
 	.permission	= btrfs_permission,
 };
@@ -5278,7 +5278,7 @@
 	.releasepage	= btrfs_releasepage,
 };
 
-static struct inode_operations btrfs_file_inode_operations = {
+static const struct inode_operations btrfs_file_inode_operations = {
 	.truncate	= btrfs_truncate,
 	.getattr	= btrfs_getattr,
 	.setattr	= btrfs_setattr,
@@ -5290,7 +5290,7 @@
 	.fallocate	= btrfs_fallocate,
 	.fiemap		= btrfs_fiemap,
 };
-static struct inode_operations btrfs_special_inode_operations = {
+static const struct inode_operations btrfs_special_inode_operations = {
 	.getattr	= btrfs_getattr,
 	.setattr	= btrfs_setattr,
 	.permission	= btrfs_permission,
@@ -5299,7 +5299,7 @@
 	.listxattr	= btrfs_listxattr,
 	.removexattr	= btrfs_removexattr,
 };
-static struct inode_operations btrfs_symlink_inode_operations = {
+static const struct inode_operations btrfs_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 606912d..6889c0d 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -385,7 +385,7 @@
 	goto out;
 }
 
-struct inode_operations cifs_dfs_referral_inode_operations = {
+const struct inode_operations cifs_dfs_referral_inode_operations = {
 	.follow_link = cifs_dfs_follow_mountpoint,
 };
 
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 094325e..ac2b24c 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -67,7 +67,7 @@
 
 extern const struct inode_operations cifs_file_inode_ops;
 extern const struct inode_operations cifs_symlink_inode_ops;
-extern struct inode_operations cifs_dfs_referral_inode_operations;
+extern const struct inode_operations cifs_dfs_referral_inode_operations;
 
 
 /* Functions related to files and directories */
diff --git a/fs/inode.c b/fs/inode.c
index 798052f..f5ff71c 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -123,7 +123,7 @@
 int inode_init_always(struct super_block *sb, struct inode *inode)
 {
 	static const struct address_space_operations empty_aops;
-	static struct inode_operations empty_iops;
+	static const struct inode_operations empty_iops;
 	static const struct file_operations empty_fops;
 	struct address_space *const mapping = &inode->i_data;
 
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 6bd84a0..fc8278c 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -151,7 +151,7 @@
 	.splice_read	= generic_file_splice_read,
 };
 
-struct inode_operations nilfs_file_inode_operations = {
+const struct inode_operations nilfs_file_inode_operations = {
 	.truncate	= nilfs_truncate,
 	.setattr	= nilfs_setattr,
 	.permission     = nilfs_permission,
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 680e86c..b18c499 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -432,7 +432,7 @@
 	.sync_page		= block_sync_page,
 };
 
-static struct inode_operations def_mdt_iops;
+static const struct inode_operations def_mdt_iops;
 static struct file_operations def_mdt_fops;
 
 /*
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index df70dad..ed02e88 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -448,7 +448,7 @@
 	return err;
 }
 
-struct inode_operations nilfs_dir_inode_operations = {
+const struct inode_operations nilfs_dir_inode_operations = {
 	.create		= nilfs_create,
 	.lookup		= nilfs_lookup,
 	.link		= nilfs_link,
@@ -462,12 +462,12 @@
 	.permission	= nilfs_permission,
 };
 
-struct inode_operations nilfs_special_inode_operations = {
+const struct inode_operations nilfs_special_inode_operations = {
 	.setattr	= nilfs_setattr,
 	.permission	= nilfs_permission,
 };
 
-struct inode_operations nilfs_symlink_inode_operations = {
+const struct inode_operations nilfs_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index c0cf52a..bad7368 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -295,12 +295,12 @@
  * Inodes and files operations
  */
 extern struct file_operations nilfs_dir_operations;
-extern struct inode_operations nilfs_file_inode_operations;
+extern const struct inode_operations nilfs_file_inode_operations;
 extern struct file_operations nilfs_file_operations;
 extern const struct address_space_operations nilfs_aops;
-extern struct inode_operations nilfs_dir_inode_operations;
-extern struct inode_operations nilfs_special_inode_operations;
-extern struct inode_operations nilfs_symlink_inode_operations;
+extern const struct inode_operations nilfs_dir_inode_operations;
+extern const struct inode_operations nilfs_special_inode_operations;
+extern const struct inode_operations nilfs_symlink_inode_operations;
 
 /*
  * filesystem type
diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c
index c7275cf..3680bae 100644
--- a/fs/omfs/dir.c
+++ b/fs/omfs/dir.c
@@ -489,7 +489,7 @@
 	return ret;
 }
 
-struct inode_operations omfs_dir_inops = {
+const struct inode_operations omfs_dir_inops = {
 	.lookup = omfs_lookup,
 	.mkdir = omfs_mkdir,
 	.rename = omfs_rename,
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index b707fa5..4845fbb 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -333,7 +333,7 @@
 	.splice_read = generic_file_splice_read,
 };
 
-struct inode_operations omfs_file_inops = {
+const struct inode_operations omfs_file_inops = {
 	.truncate = omfs_truncate
 };
 
diff --git a/fs/omfs/omfs.h b/fs/omfs/omfs.h
index 16d72ab..df71039 100644
--- a/fs/omfs/omfs.h
+++ b/fs/omfs/omfs.h
@@ -45,14 +45,14 @@
 
 /* dir.c */
 extern struct file_operations omfs_dir_operations;
-extern struct inode_operations omfs_dir_inops;
+extern const struct inode_operations omfs_dir_inops;
 extern int omfs_make_empty(struct inode *inode, struct super_block *sb);
 extern int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header,
 			u64 fsblock);
 
 /* file.c */
 extern struct file_operations omfs_file_operations;
-extern struct inode_operations omfs_file_inops;
+extern const struct inode_operations omfs_file_inops;
 extern const struct address_space_operations omfs_aops;
 extern void omfs_make_empty_table(struct buffer_head *bh, int offset);
 extern int omfs_shrink_inode(struct inode *inode);
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 4ab3c03..47f132d 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -284,7 +284,7 @@
 	.readdir	= romfs_readdir,
 };
 
-static struct inode_operations romfs_dir_inode_operations = {
+static const struct inode_operations romfs_dir_inode_operations = {
 	.lookup		= romfs_lookup,
 };