[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/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 8e0d377..b82e3d9 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -54,7 +54,7 @@
 
 static struct inode_operations hostfs_iops;
 static struct inode_operations hostfs_dir_iops;
-static struct address_space_operations hostfs_link_aops;
+static const struct address_space_operations hostfs_link_aops;
 
 #ifndef MODULE
 static int __init hostfs_args(char *options, int *add)
@@ -518,7 +518,7 @@
 	return(err);
 }
 
-static struct address_space_operations hostfs_aops = {
+static const struct address_space_operations hostfs_aops = {
 	.writepage 	= hostfs_writepage,
 	.readpage	= hostfs_readpage,
 	.set_page_dirty = __set_page_dirty_nobuffers,
@@ -935,7 +935,7 @@
 	return(err);
 }
 
-static struct address_space_operations hostfs_link_aops = {
+static const struct address_space_operations hostfs_link_aops = {
 	.readpage	= hostfs_link_readpage,
 };