Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

fs/btrfs/disk-io.c

@@ -772,7 +772,7 @@ static void btree_invalidatepage(struct page *page, unsigned long offset)
 	}
 }
 
-static struct address_space_operations btree_aops = {
+static const struct address_space_operations btree_aops = {
 	.readpage	= btree_readpage,
 	.writepage	= btree_writepage,
 	.writepages	= btree_writepages,

fs/btrfs/inode.c

@@ -60,8 +60,8 @@ static struct inode_operations btrfs_symlink_inode_operations;
 static struct inode_operations btrfs_dir_ro_inode_operations;
 static struct inode_operations btrfs_special_inode_operations;
 static struct inode_operations btrfs_file_inode_operations;
-static struct address_space_operations btrfs_aops;
-static struct address_space_operations btrfs_symlink_aops;
+static const struct address_space_operations btrfs_aops;
+static const struct address_space_operations btrfs_symlink_aops;
 static struct file_operations btrfs_dir_file_operations;
 static struct extent_io_ops btrfs_extent_io_ops;
 
@@ -5295,7 +5295,7 @@ static struct extent_io_ops btrfs_extent_io_ops = {
  *
  * For now we're avoiding this by dropping bmap.
  */
-static struct address_space_operations btrfs_aops = {
+static const struct address_space_operations btrfs_aops = {
 	.readpage	= btrfs_readpage,
 	.writepage	= btrfs_writepage,
 	.writepages	= btrfs_writepages,
@@ -5308,7 +5308,7 @@ static struct address_space_operations btrfs_aops = {
 	.error_remove_page = generic_error_remove_page,
 };
 
-static struct address_space_operations btrfs_symlink_aops = {
+static const struct address_space_operations btrfs_symlink_aops = {
 	.readpage	= btrfs_readpage,
 	.writepage	= btrfs_writepage,
 	.invalidatepage = btrfs_invalidatepage,

fs/ecryptfs/ecryptfs_kernel.h

@@ -582,7 +582,7 @@ extern const struct inode_operations ecryptfs_dir_iops;
 extern const struct inode_operations ecryptfs_symlink_iops;
 extern const struct super_operations ecryptfs_sops;
 extern const struct dentry_operations ecryptfs_dops;
-extern struct address_space_operations ecryptfs_aops;
+extern const struct address_space_operations ecryptfs_aops;
 extern int ecryptfs_verbosity;
 extern unsigned int ecryptfs_message_buf_len;
 extern signed long ecryptfs_message_wait_timeout;

fs/ecryptfs/mmap.c

@@ -545,7 +545,7 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block)
 	return rc;
 }
 
-struct address_space_operations ecryptfs_aops = {
+const struct address_space_operations ecryptfs_aops = {
 	.writepage = ecryptfs_writepage,
 	.readpage = ecryptfs_readpage,
 	.write_begin = ecryptfs_write_begin,

fs/nilfs2/btnode.c

@@ -46,7 +46,7 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc)
 	INIT_LIST_HEAD(&btnc->i_mmap_nonlinear);
 }
 
-static struct address_space_operations def_btnode_aops = {
+static const struct address_space_operations def_btnode_aops = {
 	.sync_page		= block_sync_page,
 };
 

fs/nilfs2/gcinode.c

@@ -52,7 +52,7 @@
 #include "dat.h"
 #include "ifile.h"
 
-static struct address_space_operations def_gcinode_aops = {
+static const struct address_space_operations def_gcinode_aops = {
 	.sync_page		= block_sync_page,
 };
 

fs/nilfs2/inode.c

@@ -238,7 +238,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
 	return size;
 }
 
-struct address_space_operations nilfs_aops = {
+const struct address_space_operations nilfs_aops = {
 	.writepage		= nilfs_writepage,
 	.readpage		= nilfs_readpage,
 	.sync_page		= block_sync_page,

fs/nilfs2/mdt.c

@@ -427,7 +427,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
 }
 
 
-static struct address_space_operations def_mdt_aops = {
+static const struct address_space_operations def_mdt_aops = {
 	.writepage		= nilfs_mdt_write_page,
 	.sync_page		= block_sync_page,
 };

fs/nilfs2/nilfs.h

@@ -297,7 +297,7 @@ void nilfs_clear_gcdat_inode(struct the_nilfs *);
 extern struct file_operations nilfs_dir_operations;
 extern struct inode_operations nilfs_file_inode_operations;
 extern struct file_operations nilfs_file_operations;
-extern struct address_space_operations nilfs_aops;
+extern const struct address_space_operations nilfs_aops;
 extern struct inode_operations nilfs_dir_inode_operations;
 extern struct inode_operations nilfs_special_inode_operations;
 extern struct inode_operations nilfs_symlink_inode_operations;

fs/omfs/file.c

@@ -337,7 +337,7 @@ struct inode_operations omfs_file_inops = {
 	.truncate = omfs_truncate
 };
 
-struct address_space_operations omfs_aops = {
+const struct address_space_operations omfs_aops = {
 	.readpage = omfs_readpage,
 	.readpages = omfs_readpages,
 	.writepage = omfs_writepage,

fs/omfs/omfs.h

@@ -53,7 +53,7 @@ extern int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header,
 /* file.c */
 extern struct file_operations omfs_file_operations;
 extern struct inode_operations omfs_file_inops;
-extern struct address_space_operations omfs_aops;
+extern const struct address_space_operations omfs_aops;
 extern void omfs_make_empty_table(struct buffer_head *bh, int offset);
 extern int omfs_shrink_inode(struct inode *inode);
 

fs/ubifs/xattr.c

@@ -79,7 +79,7 @@ enum {
 };
 
 static const struct inode_operations none_inode_operations;
-static struct address_space_operations none_address_operations;
+static const struct address_space_operations none_address_operations;
 static const struct file_operations none_file_operations;
 
 /**