[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/udf/file.c b/fs/udf/file.c
index e34b00e..a59e5f3 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -95,7 +95,7 @@
 	return 0;
 }
 
-struct address_space_operations udf_adinicb_aops = {
+const struct address_space_operations udf_adinicb_aops = {
 	.readpage		= udf_adinicb_readpage,
 	.writepage		= udf_adinicb_writepage,
 	.sync_page		= block_sync_page,