[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/efs/inode.c b/fs/efs/inode.c
index 180607f..174696f 100644
--- a/fs/efs/inode.c
+++ b/fs/efs/inode.c
@@ -21,7 +21,7 @@
 {
 	return generic_block_bmap(mapping,block,efs_get_block);
 }
-static struct address_space_operations efs_aops = {
+static const struct address_space_operations efs_aops = {
 	.readpage = efs_readpage,
 	.sync_page = block_sync_page,
 	.bmap = _efs_bmap