diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 9e95e7a..8813990 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -296,7 +296,7 @@
 	return ERR_PTR(err);
 }
 
-struct inode_operations sysfs_dir_inode_operations = {
+const struct inode_operations sysfs_dir_inode_operations = {
 	.lookup		= sysfs_lookup,
 	.setattr	= sysfs_setattr,
 };
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 542d2bc..dd1344b 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -29,7 +29,7 @@
 	.capabilities	= BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
 };
 
-static struct inode_operations sysfs_inode_operations ={
+static const struct inode_operations sysfs_inode_operations ={
 	.setattr	= sysfs_setattr,
 };
 
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 4869f61..7b9c5bf 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -181,7 +181,7 @@
 		free_page((unsigned long)page);
 }
 
-struct inode_operations sysfs_symlink_inode_operations = {
+const struct inode_operations sysfs_symlink_inode_operations = {
 	.readlink = generic_readlink,
 	.follow_link = sysfs_follow_link,
 	.put_link = sysfs_put_link,
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index fe1cbfd..d976b00 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -26,8 +26,8 @@
 extern const struct file_operations sysfs_dir_operations;
 extern const struct file_operations sysfs_file_operations;
 extern const struct file_operations bin_fops;
-extern struct inode_operations sysfs_dir_inode_operations;
-extern struct inode_operations sysfs_symlink_inode_operations;
+extern const struct inode_operations sysfs_dir_inode_operations;
+extern const struct inode_operations sysfs_symlink_inode_operations;
 
 struct sysfs_symlink {
 	char * link_name;