diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 69a376f..fec208d 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -52,8 +52,8 @@
 
 #define HOSTFS_SUPER_MAGIC 0x00c0ffee
 
-static struct inode_operations hostfs_iops;
-static struct inode_operations hostfs_dir_iops;
+static const struct inode_operations hostfs_iops;
+static const struct inode_operations hostfs_dir_iops;
 static const struct address_space_operations hostfs_link_aops;
 
 #ifndef MODULE
@@ -880,7 +880,7 @@
 	return(0);
 }
 
-static struct inode_operations hostfs_iops = {
+static const struct inode_operations hostfs_iops = {
 	.create		= hostfs_create,
 	.link		= hostfs_link,
 	.unlink		= hostfs_unlink,
@@ -894,7 +894,7 @@
 	.getattr	= hostfs_getattr,
 };
 
-static struct inode_operations hostfs_dir_iops = {
+static const struct inode_operations hostfs_dir_iops = {
 	.create		= hostfs_create,
 	.lookup		= hostfs_lookup,
 	.link		= hostfs_link,