diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index aa9132d..f7f8eff 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -88,7 +88,7 @@
 	return 0;
 }
 
-struct inode_operations jfs_file_inode_operations = {
+const struct inode_operations jfs_file_inode_operations = {
 	.truncate	= jfs_truncate,
 	.setxattr	= jfs_setxattr,
 	.getxattr	= jfs_getxattr,
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 0d06ccf..6802837 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -35,10 +35,10 @@
 extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 extern const struct address_space_operations jfs_aops;
-extern struct inode_operations jfs_dir_inode_operations;
+extern const struct inode_operations jfs_dir_inode_operations;
 extern const struct file_operations jfs_dir_operations;
-extern struct inode_operations jfs_file_inode_operations;
+extern const struct inode_operations jfs_file_inode_operations;
 extern const struct file_operations jfs_file_operations;
-extern struct inode_operations jfs_symlink_inode_operations;
+extern const struct inode_operations jfs_symlink_inode_operations;
 extern struct dentry_operations jfs_ci_dentry_operations;
 #endif				/* _H_JFS_INODE */
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 7ab4756..41c2047 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1503,7 +1503,7 @@
 	return parent;
 }
 
-struct inode_operations jfs_dir_inode_operations = {
+const struct inode_operations jfs_dir_inode_operations = {
 	.create		= jfs_create,
 	.lookup		= jfs_lookup,
 	.link		= jfs_link,
diff --git a/fs/jfs/symlink.c b/fs/jfs/symlink.c
index cee43f3..4af1a05 100644
--- a/fs/jfs/symlink.c
+++ b/fs/jfs/symlink.c
@@ -29,7 +29,7 @@
 	return NULL;
 }
 
-struct inode_operations jfs_symlink_inode_operations = {
+const struct inode_operations jfs_symlink_inode_operations = {
 	.readlink	= generic_readlink,
 	.follow_link	= jfs_follow_link,
 	.setxattr	= jfs_setxattr,