[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/ntfs/aops.c b/fs/ntfs/aops.c
index 580412d..bc579bf 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1544,7 +1544,7 @@
/**
* ntfs_aops - general address space operations for inodes and attributes
*/
-struct address_space_operations ntfs_aops = {
+const struct address_space_operations ntfs_aops = {
.readpage = ntfs_readpage, /* Fill page with data. */
.sync_page = block_sync_page, /* Currently, just unplugs the
disk request queue. */
@@ -1560,7 +1560,7 @@
* ntfs_mst_aops - general address space operations for mst protecteed inodes
* and attributes
*/
-struct address_space_operations ntfs_mst_aops = {
+const struct address_space_operations ntfs_mst_aops = {
.readpage = ntfs_readpage, /* Fill page with data. */
.sync_page = block_sync_page, /* Currently, just unplugs the
disk request queue. */
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index bf7b3d7..ddd3d50 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -57,8 +57,8 @@
extern struct kmem_cache *ntfs_index_ctx_cache;
/* The various operations structs defined throughout the driver files. */
-extern struct address_space_operations ntfs_aops;
-extern struct address_space_operations ntfs_mst_aops;
+extern const struct address_space_operations ntfs_aops;
+extern const struct address_space_operations ntfs_mst_aops;
extern const struct file_operations ntfs_file_ops;
extern struct inode_operations ntfs_file_inode_ops;