[PATCH] mark address_space_operations const

Same as with already do with the file operations: keep them in .rodata and
prevents people from doing runtime patching.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/inode.c b/fs/inode.c
index 3a2446a..f42961e 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -102,7 +102,7 @@
 
 static struct inode *alloc_inode(struct super_block *sb)
 {
-	static struct address_space_operations empty_aops;
+	static const struct address_space_operations empty_aops;
 	static struct inode_operations empty_iops;
 	static const struct file_operations empty_fops;
 	struct inode *inode;