diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 2523d42..ddcd4dc 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -159,7 +159,7 @@
 	return try_to_free_buffers(page);
 }
 
-static struct address_space_operations aspace_aops = {
+static const struct address_space_operations aspace_aops = {
 	.writepage = gfs2_aspace_writepage,
 	.releasepage = gfs2_aspace_releasepage,
 };
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 207363a..26db333 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -655,7 +655,7 @@
 				    DIO_OWN_LOCKING);
 }
 
-struct address_space_operations gfs2_file_aops = {
+const struct address_space_operations gfs2_file_aops = {
 	.writepage = gfs2_writepage,
 	.readpage = gfs2_readpage,
 	.readpages = gfs2_readpages,
diff --git a/fs/gfs2/ops_address.h b/fs/gfs2/ops_address.h
index b88addd..a7ef3bf 100644
--- a/fs/gfs2/ops_address.h
+++ b/fs/gfs2/ops_address.h
@@ -10,7 +10,7 @@
 #ifndef __OPS_ADDRESS_DOT_H__
 #define __OPS_ADDRESS_DOT_H__
 
-extern struct address_space_operations gfs2_file_aops;
+extern const struct address_space_operations gfs2_file_aops;
 extern int gfs2_get_block(struct inode *inode, sector_t lblock,
 			  struct buffer_head *bh_result, int create);