On Wed, May 03, 2006 at 03:18:36PM +0200, Christoph Hellwig wrote:
> Same as with already do with the file operations:
> keep them in .rodata and prevents people from doing runtime patching.
I understand that making file operations .rodata was
to prevent binary driver authors overriding individual
file_operations members at runtime.
This patch prevents even GPL code from overriding address_space
operations. There might be in kernel users who want to override
address_space operations.
Thanks
Prasanna
>
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>
> Index: linux-2.6/drivers/block/loop.c
> ===================================================================
> --- linux-2.6.orig/drivers/block/loop.c 2006-04-04 16:50:09.000000000 +0200
> +++ linux-2.6/drivers/block/loop.c 2006-05-03 15:01:57.000000000 +0200
> @@ -210,7 +210,7 @@
> {
> struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
> struct address_space *mapping = file->f_mapping;
> - struct address_space_operations *aops = mapping->a_ops;
> + const struct address_space_operations *aops = mapping->a_ops;
> pgoff_t index;
> unsigned offset, bv_offs;
> int len, ret;
> @@ -784,7 +784,7 @@
>
> error = -EINVAL;
> if (S_ISREG(inode->i_mode) || S_ISBLK(inode->i_mode)) {
> - struct address_space_operations *aops = mapping->a_ops;
> + const struct address_space_operations *aops = mapping->a_ops;
> /*
> * If we can't read - sorry. If we only can't write - well,
> * it's going to be read-only.
> Index: linux-2.6/drivers/block/rd.c
> ===================================================================
> --- linux-2.6.orig/drivers/block/rd.c 2006-04-04 16:50:09.000000000 +0200
> +++ linux-2.6/drivers/block/rd.c 2006-05-03 15:02:04.000000000 +0200
> @@ -191,7 +191,7 @@
> return 0;
> }
>
> -static struct address_space_operations ramdisk_aops = {
> +static const struct address_space_operations ramdisk_aops = {
> .readpage = ramdisk_readpage,
> .prepare_write = ramdisk_prepare_write,
> .commit_write = ramdisk_commit_write,
> Index: linux-2.6/fs/9p/v9fs_vfs.h
> ===================================================================
> --- linux-2.6.orig/fs/9p/v9fs_vfs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/9p/v9fs_vfs.h 2006-05-03 15:02:38.000000000 +0200
> @@ -38,7 +38,7 @@
> */
>
> extern struct file_system_type v9fs_fs_type;
> -extern struct address_space_operations v9fs_addr_operations;
> +extern const struct address_space_operations v9fs_addr_operations;
> extern const struct file_operations v9fs_file_operations;
> extern const struct file_operations v9fs_dir_operations;
> extern struct dentry_operations v9fs_dentry_operations;
> Index: linux-2.6/fs/9p/vfs_addr.c
> ===================================================================
> --- linux-2.6.orig/fs/9p/vfs_addr.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/9p/vfs_addr.c 2006-05-03 15:02:43.000000000 +0200
> @@ -103,6 +103,6 @@
> return retval;
> }
>
> -struct address_space_operations v9fs_addr_operations = {
> +const struct address_space_operations v9fs_addr_operations = {
> .readpage = v9fs_vfs_readpage,
> };
> Index: linux-2.6/fs/adfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/adfs/inode.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/adfs/inode.c 2006-05-03 15:02:47.000000000 +0200
> @@ -72,7 +72,7 @@
> return generic_block_bmap(mapping, block, adfs_get_block);
> }
>
> -static struct address_space_operations adfs_aops = {
> +static const struct address_space_operations adfs_aops = {
> .readpage = adfs_readpage,
> .writepage = adfs_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/affs/affs.h
> ===================================================================
> --- linux-2.6.orig/fs/affs/affs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/affs/affs.h 2006-05-03 15:02:53.000000000 +0200
> @@ -195,9 +195,9 @@
> extern const struct file_operations affs_file_operations;
> extern const struct file_operations affs_file_operations_ofs;
> extern const struct file_operations affs_dir_operations;
> -extern struct address_space_operations affs_symlink_aops;
> -extern struct address_space_operations affs_aops;
> -extern struct address_space_operations affs_aops_ofs;
> +extern const struct address_space_operations affs_symlink_aops;
> +extern const struct address_space_operations affs_aops;
> +extern const struct address_space_operations affs_aops_ofs;
>
> extern struct dentry_operations affs_dentry_operations;
> extern struct dentry_operations affs_dentry_operations_intl;
> Index: linux-2.6/fs/affs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/affs/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/affs/file.c 2006-05-03 15:02:58.000000000 +0200
> @@ -406,7 +406,7 @@
> {
> return generic_block_bmap(mapping,block,affs_get_block);
> }
> -struct address_space_operations affs_aops = {
> +const struct address_space_operations affs_aops = {
> .readpage = affs_readpage,
> .writepage = affs_writepage,
> .sync_page = block_sync_page,
> @@ -759,7 +759,7 @@
> goto done;
> }
>
> -struct address_space_operations affs_aops_ofs = {
> +const struct address_space_operations affs_aops_ofs = {
> .readpage = affs_readpage_ofs,
> //.writepage = affs_writepage_ofs,
> //.sync_page = affs_sync_page_ofs,
> Index: linux-2.6/fs/affs/symlink.c
> ===================================================================
> --- linux-2.6.orig/fs/affs/symlink.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/affs/symlink.c 2006-05-03 15:03:02.000000000 +0200
> @@ -66,7 +66,7 @@
> return err;
> }
>
> -struct address_space_operations affs_symlink_aops = {
> +const struct address_space_operations affs_symlink_aops = {
> .readpage = affs_symlink_readpage,
> };
>
> Index: linux-2.6/fs/afs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/afs/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/afs/file.c 2006-05-03 15:03:06.000000000 +0200
> @@ -35,7 +35,7 @@
> .getattr = afs_inode_getattr,
> };
>
> -struct address_space_operations afs_fs_aops = {
> +const struct address_space_operations afs_fs_aops = {
> .readpage = afs_file_readpage,
> .sync_page = block_sync_page,
> .set_page_dirty = __set_page_dirty_nobuffers,
> Index: linux-2.6/fs/afs/internal.h
> ===================================================================
> --- linux-2.6.orig/fs/afs/internal.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/afs/internal.h 2006-05-03 15:03:10.000000000 +0200
> @@ -69,7 +69,7 @@
> /*
> * file.c
> */
> -extern struct address_space_operations afs_fs_aops;
> +extern const struct address_space_operations afs_fs_aops;
> extern struct inode_operations afs_file_inode_operations;
>
> #ifdef AFS_CACHING_SUPPORT
> Index: linux-2.6/fs/befs/linuxvfs.c
> ===================================================================
> --- linux-2.6.orig/fs/befs/linuxvfs.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/befs/linuxvfs.c 2006-05-03 15:03:12.000000000 +0200
> @@ -73,7 +73,7 @@
> .lookup = befs_lookup,
> };
>
> -static struct address_space_operations befs_aops = {
> +static const struct address_space_operations befs_aops = {
> .readpage = befs_readpage,
> .sync_page = block_sync_page,
> .bmap = befs_bmap,
> Index: linux-2.6/fs/bfs/bfs.h
> ===================================================================
> --- linux-2.6.orig/fs/bfs/bfs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/bfs/bfs.h 2006-05-03 15:03:20.000000000 +0200
> @@ -50,7 +50,7 @@
> /* file.c */
> extern struct inode_operations bfs_file_inops;
> extern const struct file_operations bfs_file_operations;
> -extern struct address_space_operations bfs_aops;
> +extern const struct address_space_operations bfs_aops;
>
> /* dir.c */
> extern struct inode_operations bfs_dir_inops;
> Index: linux-2.6/fs/bfs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/bfs/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/bfs/file.c 2006-05-03 15:03:23.000000000 +0200
> @@ -153,7 +153,7 @@
> return generic_block_bmap(mapping, block, bfs_get_block);
> }
>
> -struct address_space_operations bfs_aops = {
> +const struct address_space_operations bfs_aops = {
> .readpage = bfs_readpage,
> .writepage = bfs_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/block_dev.c
> ===================================================================
> --- linux-2.6.orig/fs/block_dev.c 2006-05-02 16:26:14.000000000 +0200
> +++ linux-2.6/fs/block_dev.c 2006-05-03 15:03:28.000000000 +0200
> @@ -1077,7 +1077,7 @@
> return blkdev_ioctl(file->f_mapping->host, file, cmd, arg);
> }
>
> -struct address_space_operations def_blk_aops = {
> +const const struct address_space_operations def_blk_aops = {
> .readpage = blkdev_readpage,
> .writepage = blkdev_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/buffer.c
> ===================================================================
> --- linux-2.6.orig/fs/buffer.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/buffer.c 2006-05-03 15:03:32.000000000 +0200
> @@ -2600,7 +2600,7 @@
> unsigned offset = from & (PAGE_CACHE_SIZE-1);
> unsigned to;
> struct page *page;
> - struct address_space_operations *a_ops = mapping->a_ops;
> + const struct address_space_operations *a_ops = mapping->a_ops;
> char *kaddr;
> int ret = 0;
>
> Index: linux-2.6/fs/cifs/cifsfs.h
> ===================================================================
> --- linux-2.6.orig/fs/cifs/cifsfs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/cifs/cifsfs.h 2006-05-03 15:03:35.000000000 +0200
> @@ -32,7 +32,7 @@
> #define TRUE 1
> #endif
>
> -extern struct address_space_operations cifs_addr_ops;
> +extern const struct address_space_operations cifs_addr_ops;
>
> /* Functions related to super block operations */
> extern struct super_operations cifs_super_ops;
> Index: linux-2.6/fs/cifs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/cifs/file.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/fs/cifs/file.c 2006-05-03 15:03:38.000000000 +0200
> @@ -1944,7 +1944,7 @@
> return 0;
> }
>
> -struct address_space_operations cifs_addr_ops = {
> +const struct address_space_operations cifs_addr_ops = {
> .readpage = cifs_readpage,
> .readpages = cifs_readpages,
> .writepage = cifs_writepage,
> Index: linux-2.6/fs/coda/symlink.c
> ===================================================================
> --- linux-2.6.orig/fs/coda/symlink.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/coda/symlink.c 2006-05-03 15:03:41.000000000 +0200
> @@ -50,6 +50,6 @@
> return error;
> }
>
> -struct address_space_operations coda_symlink_aops = {
> +const struct address_space_operations coda_symlink_aops = {
> .readpage = coda_symlink_filler,
> };
> Index: linux-2.6/fs/configfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/configfs/inode.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/configfs/inode.c 2006-05-03 15:03:44.000000000 +0200
> @@ -38,7 +38,7 @@
>
> extern struct super_block * configfs_sb;
>
> -static struct address_space_operations configfs_aops = {
> +static const struct address_space_operations configfs_aops = {
> .readpage = simple_readpage,
> .prepare_write = simple_prepare_write,
> .commit_write = simple_commit_write
> Index: linux-2.6/fs/cramfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/cramfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/cramfs/inode.c 2006-05-03 15:03:47.000000000 +0200
> @@ -30,7 +30,7 @@
> static struct super_operations cramfs_ops;
> static struct inode_operations cramfs_dir_inode_operations;
> static const struct file_operations cramfs_directory_operations;
> -static struct address_space_operations cramfs_aops;
> +static const struct address_space_operations cramfs_aops;
>
> static DEFINE_MUTEX(read_mutex);
>
> @@ -501,7 +501,7 @@
> return 0;
> }
>
> -static struct address_space_operations cramfs_aops = {
> +static const struct address_space_operations cramfs_aops = {
> .readpage = cramfs_readpage
> };
>
> Index: linux-2.6/fs/efs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/efs/inode.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/efs/inode.c 2006-05-03 15:03:50.000000000 +0200
> @@ -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
> Index: linux-2.6/fs/efs/symlink.c
> ===================================================================
> --- linux-2.6.orig/fs/efs/symlink.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/efs/symlink.c 2006-05-03 15:03:53.000000000 +0200
> @@ -53,6 +53,6 @@
> return err;
> }
>
> -struct address_space_operations efs_symlink_aops = {
> +const struct address_space_operations efs_symlink_aops = {
> .readpage = efs_symlink_readpage
> };
> Index: linux-2.6/fs/ext2/ext2.h
> ===================================================================
> --- linux-2.6.orig/fs/ext2/ext2.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ext2/ext2.h 2006-05-03 15:03:56.000000000 +0200
> @@ -162,9 +162,9 @@
> extern const struct file_operations ext2_xip_file_operations;
>
> /* inode.c */
> -extern struct address_space_operations ext2_aops;
> -extern struct address_space_operations ext2_aops_xip;
> -extern struct address_space_operations ext2_nobh_aops;
> +extern const struct address_space_operations ext2_aops;
> +extern const struct address_space_operations ext2_aops_xip;
> +extern const struct address_space_operations ext2_nobh_aops;
>
> /* namei.c */
> extern struct inode_operations ext2_dir_inode_operations;
> Index: linux-2.6/fs/ext2/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/ext2/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ext2/inode.c 2006-05-03 15:03:58.000000000 +0200
> @@ -684,7 +684,7 @@
> return mpage_writepages(mapping, wbc, ext2_get_block);
> }
>
> -struct address_space_operations ext2_aops = {
> +const struct address_space_operations ext2_aops = {
> .readpage = ext2_readpage,
> .readpages = ext2_readpages,
> .writepage = ext2_writepage,
> @@ -697,12 +697,12 @@
> .migratepage = buffer_migrate_page,
> };
>
> -struct address_space_operations ext2_aops_xip = {
> +const struct address_space_operations ext2_aops_xip = {
> .bmap = ext2_bmap,
> .get_xip_page = ext2_get_xip_page,
> };
>
> -struct address_space_operations ext2_nobh_aops = {
> +const struct address_space_operations ext2_nobh_aops = {
> .readpage = ext2_readpage,
> .readpages = ext2_readpages,
> .writepage = ext2_nobh_writepage,
> Index: linux-2.6/fs/ext3/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/ext3/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ext3/inode.c 2006-05-03 15:04:01.000000000 +0200
> @@ -1696,7 +1696,7 @@
> return __set_page_dirty_nobuffers(page);
> }
>
> -static struct address_space_operations ext3_ordered_aops = {
> +static const struct address_space_operations ext3_ordered_aops = {
> .readpage = ext3_readpage,
> .readpages = ext3_readpages,
> .writepage = ext3_ordered_writepage,
> @@ -1710,7 +1710,7 @@
> .migratepage = buffer_migrate_page,
> };
>
> -static struct address_space_operations ext3_writeback_aops = {
> +static const struct address_space_operations ext3_writeback_aops = {
> .readpage = ext3_readpage,
> .readpages = ext3_readpages,
> .writepage = ext3_writeback_writepage,
> @@ -1724,7 +1724,7 @@
> .migratepage = buffer_migrate_page,
> };
>
> -static struct address_space_operations ext3_journalled_aops = {
> +static const struct address_space_operations ext3_journalled_aops = {
> .readpage = ext3_readpage,
> .readpages = ext3_readpages,
> .writepage = ext3_journalled_writepage,
> Index: linux-2.6/fs/fat/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/fat/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/fat/inode.c 2006-05-03 15:04:03.000000000 +0200
> @@ -196,7 +196,7 @@
> return generic_block_bmap(mapping, block, fat_get_block);
> }
>
> -static struct address_space_operations fat_aops = {
> +static const struct address_space_operations fat_aops = {
> .readpage = fat_readpage,
> .readpages = fat_readpages,
> .writepage = fat_writepage,
> Index: linux-2.6/fs/freevxfs/vxfs_immed.c
> ===================================================================
> --- linux-2.6.orig/fs/freevxfs/vxfs_immed.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/freevxfs/vxfs_immed.c 2006-05-03 15:04:06.000000000 +0200
> @@ -56,7 +56,7 @@
> /*
> * Adress space operations for immed files and directories.
> */
> -struct address_space_operations vxfs_immed_aops = {
> +const struct address_space_operations vxfs_immed_aops = {
> .readpage = vxfs_immed_readpage,
> };
>
> Index: linux-2.6/fs/freevxfs/vxfs_inode.c
> ===================================================================
> --- linux-2.6.orig/fs/freevxfs/vxfs_inode.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/freevxfs/vxfs_inode.c 2006-05-03 15:04:08.000000000 +0200
> @@ -41,8 +41,8 @@
> #include "vxfs_extern.h"
>
>
> -extern struct address_space_operations vxfs_aops;
> -extern struct address_space_operations vxfs_immed_aops;
> +extern const struct address_space_operations vxfs_aops;
> +extern const struct address_space_operations vxfs_immed_aops;
>
> extern struct inode_operations vxfs_immed_symlink_iops;
>
> @@ -295,7 +295,7 @@
> {
> struct super_block *sbp = ip->i_sb;
> struct vxfs_inode_info *vip;
> - struct address_space_operations *aops;
> + const struct address_space_operations *aops;
> ino_t ino = ip->i_ino;
>
> if (!(vip = __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_ilist)))
> Index: linux-2.6/fs/freevxfs/vxfs_subr.c
> ===================================================================
> --- linux-2.6.orig/fs/freevxfs/vxfs_subr.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/freevxfs/vxfs_subr.c 2006-05-03 15:04:11.000000000 +0200
> @@ -42,7 +42,7 @@
> static int vxfs_readpage(struct file *, struct page *);
> static sector_t vxfs_bmap(struct address_space *, sector_t);
>
> -struct address_space_operations vxfs_aops = {
> +const struct address_space_operations vxfs_aops = {
> .readpage = vxfs_readpage,
> .bmap = vxfs_bmap,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/fuse/file.c
> ===================================================================
> --- linux-2.6.orig/fs/fuse/file.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/fs/fuse/file.c 2006-05-03 15:04:13.000000000 +0200
> @@ -642,7 +642,7 @@
> /* no mmap and sendfile */
> };
>
> -static struct address_space_operations fuse_file_aops = {
> +static const struct address_space_operations fuse_file_aops = {
> .readpage = fuse_readpage,
> .prepare_write = fuse_prepare_write,
> .commit_write = fuse_commit_write,
> Index: linux-2.6/fs/hfs/hfs_fs.h
> ===================================================================
> --- linux-2.6.orig/fs/hfs/hfs_fs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hfs/hfs_fs.h 2006-05-03 15:04:16.000000000 +0200
> @@ -182,8 +182,8 @@
> extern int hfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
>
> /* inode.c */
> -extern struct address_space_operations hfs_aops;
> -extern struct address_space_operations hfs_btree_aops;
> +extern const struct address_space_operations hfs_aops;
> +extern const struct address_space_operations hfs_btree_aops;
>
> extern struct inode *hfs_new_inode(struct inode *, struct qstr *, int);
> extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *);
> Index: linux-2.6/fs/hfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/hfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hfs/inode.c 2006-05-03 15:04:18.000000000 +0200
> @@ -114,7 +114,7 @@
> return mpage_writepages(mapping, wbc, hfs_get_block);
> }
>
> -struct address_space_operations hfs_btree_aops = {
> +const struct address_space_operations hfs_btree_aops = {
> .readpage = hfs_readpage,
> .writepage = hfs_writepage,
> .sync_page = block_sync_page,
> @@ -124,7 +124,7 @@
> .releasepage = hfs_releasepage,
> };
>
> -struct address_space_operations hfs_aops = {
> +const struct address_space_operations hfs_aops = {
> .readpage = hfs_readpage,
> .writepage = hfs_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/hfsplus/hfsplus_fs.h
> ===================================================================
> --- linux-2.6.orig/fs/hfsplus/hfsplus_fs.h 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/hfsplus/hfsplus_fs.h 2006-05-03 15:04:21.000000000 +0200
> @@ -323,8 +323,8 @@
> void hfsplus_file_truncate(struct inode *);
>
> /* inode.c */
> -extern struct address_space_operations hfsplus_aops;
> -extern struct address_space_operations hfsplus_btree_aops;
> +extern const struct address_space_operations hfsplus_aops;
> +extern const struct address_space_operations hfsplus_btree_aops;
>
> void hfsplus_inode_read_fork(struct inode *, struct hfsplus_fork_raw *);
> void hfsplus_inode_write_fork(struct inode *, struct hfsplus_fork_raw *);
> Index: linux-2.6/fs/hfsplus/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/hfsplus/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hfsplus/inode.c 2006-05-03 15:04:23.000000000 +0200
> @@ -109,7 +109,7 @@
> return mpage_writepages(mapping, wbc, hfsplus_get_block);
> }
>
> -struct address_space_operations hfsplus_btree_aops = {
> +const struct address_space_operations hfsplus_btree_aops = {
> .readpage = hfsplus_readpage,
> .writepage = hfsplus_writepage,
> .sync_page = block_sync_page,
> @@ -119,7 +119,7 @@
> .releasepage = hfsplus_releasepage,
> };
>
> -struct address_space_operations hfsplus_aops = {
> +const struct address_space_operations hfsplus_aops = {
> .readpage = hfsplus_readpage,
> .writepage = hfsplus_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/hostfs/hostfs_kern.c
> ===================================================================
> --- linux-2.6.orig/fs/hostfs/hostfs_kern.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hostfs/hostfs_kern.c 2006-05-03 15:04:26.000000000 +0200
> @@ -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,
> };
>
> Index: linux-2.6/fs/hpfs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/hpfs/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hpfs/file.c 2006-05-03 15:04:29.000000000 +0200
> @@ -99,7 +99,7 @@
> {
> return generic_block_bmap(mapping,block,hpfs_get_block);
> }
> -struct address_space_operations hpfs_aops = {
> +const struct address_space_operations hpfs_aops = {
> .readpage = hpfs_readpage,
> .writepage = hpfs_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/hpfs/hpfs_fn.h
> ===================================================================
> --- linux-2.6.orig/fs/hpfs/hpfs_fn.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hpfs/hpfs_fn.h 2006-05-03 15:04:31.000000000 +0200
> @@ -268,7 +268,7 @@
> int hpfs_file_fsync(struct file *, struct dentry *, int);
> extern const struct file_operations hpfs_file_ops;
> extern struct inode_operations hpfs_file_iops;
> -extern struct address_space_operations hpfs_aops;
> +extern const struct address_space_operations hpfs_aops;
>
> /* inode.c */
>
> @@ -304,7 +304,7 @@
> /* namei.c */
>
> extern struct inode_operations hpfs_dir_iops;
> -extern struct address_space_operations hpfs_symlink_aops;
> +extern const struct address_space_operations hpfs_symlink_aops;
>
> static inline struct hpfs_inode_info *hpfs_i(struct inode *inode)
> {
> Index: linux-2.6/fs/hpfs/namei.c
> ===================================================================
> --- linux-2.6.orig/fs/hpfs/namei.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hpfs/namei.c 2006-05-03 15:04:34.000000000 +0200
> @@ -538,7 +538,7 @@
> return err;
> }
>
> -struct address_space_operations hpfs_symlink_aops = {
> +const struct address_space_operations hpfs_symlink_aops = {
> .readpage = hpfs_symlink_readpage
> };
>
> Index: linux-2.6/fs/hugetlbfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/hugetlbfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/hugetlbfs/inode.c 2006-05-03 15:04:37.000000000 +0200
> @@ -34,7 +34,7 @@
> #define HUGETLBFS_MAGIC 0x958458f6
>
> static struct super_operations hugetlbfs_ops;
> -static struct address_space_operations hugetlbfs_aops;
> +static const struct address_space_operations hugetlbfs_aops;
> const struct file_operations hugetlbfs_file_operations;
> static struct inode_operations hugetlbfs_dir_inode_operations;
> static struct inode_operations hugetlbfs_inode_operations;
> @@ -549,7 +549,7 @@
> kmem_cache_free(hugetlbfs_inode_cachep, HUGETLBFS_I(inode));
> }
>
> -static struct address_space_operations hugetlbfs_aops = {
> +static const struct address_space_operations hugetlbfs_aops = {
> .readpage = hugetlbfs_readpage,
> .prepare_write = hugetlbfs_prepare_write,
> .commit_write = hugetlbfs_commit_write,
> Index: linux-2.6/fs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/inode.c 2006-05-03 15:04:39.000000000 +0200
> @@ -102,7 +102,7 @@
>
> static struct inode *alloc_inode(struct super_block *sb)
> {
> - static struct address_space_operations empty_aops;
> + static const struct address_space_operations empty_aops;
> static struct inode_operations empty_iops;
> static const struct file_operations empty_fops;
> struct inode *inode;
> Index: linux-2.6/fs/isofs/compress.c
> ===================================================================
> --- linux-2.6.orig/fs/isofs/compress.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/isofs/compress.c 2006-05-03 15:04:42.000000000 +0200
> @@ -312,7 +312,7 @@
> return err;
> }
>
> -struct address_space_operations zisofs_aops = {
> +const struct address_space_operations zisofs_aops = {
> .readpage = zisofs_readpage,
> /* No sync_page operation supported? */
> /* No bmap operation supported */
> Index: linux-2.6/fs/isofs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/isofs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/isofs/inode.c 2006-05-03 15:04:44.000000000 +0200
> @@ -1052,7 +1052,7 @@
> return generic_block_bmap(mapping,block,isofs_get_block);
> }
>
> -static struct address_space_operations isofs_aops = {
> +static const struct address_space_operations isofs_aops = {
> .readpage = isofs_readpage,
> .sync_page = block_sync_page,
> .bmap = _isofs_bmap
> Index: linux-2.6/fs/isofs/isofs.h
> ===================================================================
> --- linux-2.6.orig/fs/isofs/isofs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/isofs/isofs.h 2006-05-03 15:04:47.000000000 +0200
> @@ -176,5 +176,5 @@
>
> extern struct inode_operations isofs_dir_inode_operations;
> extern const struct file_operations isofs_dir_operations;
> -extern struct address_space_operations isofs_symlink_aops;
> +extern const struct address_space_operations isofs_symlink_aops;
> extern struct export_operations isofs_export_ops;
> Index: linux-2.6/fs/isofs/rock.c
> ===================================================================
> --- linux-2.6.orig/fs/isofs/rock.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/isofs/rock.c 2006-05-03 15:04:51.000000000 +0200
> @@ -754,6 +754,6 @@
> return -EIO;
> }
>
> -struct address_space_operations isofs_symlink_aops = {
> +const struct address_space_operations isofs_symlink_aops = {
> .readpage = rock_ridge_symlink_readpage
> };
> Index: linux-2.6/fs/isofs/zisofs.h
> ===================================================================
> --- linux-2.6.orig/fs/isofs/zisofs.h 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/isofs/zisofs.h 2006-05-03 15:04:54.000000000 +0200
> @@ -15,7 +15,7 @@
> */
>
> #ifdef CONFIG_ZISOFS
> -extern struct address_space_operations zisofs_aops;
> +extern const struct address_space_operations zisofs_aops;
> extern int __init zisofs_init(void);
> extern void zisofs_cleanup(void);
> #endif
> Index: linux-2.6/fs/jffs/inode-v23.c
> ===================================================================
> --- linux-2.6.orig/fs/jffs/inode-v23.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jffs/inode-v23.c 2006-05-03 15:04:56.000000000 +0200
> @@ -59,7 +59,7 @@
> static struct inode_operations jffs_file_inode_operations;
> static const struct file_operations jffs_dir_operations;
> static struct inode_operations jffs_dir_inode_operations;
> -static struct address_space_operations jffs_address_operations;
> +static const struct address_space_operations jffs_address_operations;
>
> kmem_cache_t *node_cache = NULL;
> kmem_cache_t *fm_cache = NULL;
> @@ -1614,7 +1614,7 @@
> } /* jffs_ioctl() */
>
>
> -static struct address_space_operations jffs_address_operations = {
> +static const struct address_space_operations jffs_address_operations = {
> .readpage = jffs_readpage,
> .prepare_write = jffs_prepare_write,
> .commit_write = jffs_commit_write,
> Index: linux-2.6/fs/jffs2/file.c
> ===================================================================
> --- linux-2.6.orig/fs/jffs2/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jffs2/file.c 2006-05-03 15:04:59.000000000 +0200
> @@ -57,7 +57,7 @@
> .setattr = jffs2_setattr
> };
>
> -struct address_space_operations jffs2_file_address_operations =
> +const struct address_space_operations jffs2_file_address_operations =
> {
> .readpage = jffs2_readpage,
> .prepare_write =jffs2_prepare_write,
> Index: linux-2.6/fs/jffs2/os-linux.h
> ===================================================================
> --- linux-2.6.orig/fs/jffs2/os-linux.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jffs2/os-linux.h 2006-05-03 15:05:02.000000000 +0200
> @@ -165,7 +165,7 @@
> /* file.c */
> extern const struct file_operations jffs2_file_operations;
> extern struct inode_operations jffs2_file_inode_operations;
> -extern struct address_space_operations jffs2_file_address_operations;
> +extern const struct address_space_operations jffs2_file_address_operations;
> int jffs2_fsync(struct file *, struct dentry *, int);
> int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg);
>
> Index: linux-2.6/fs/jfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/jfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jfs/inode.c 2006-05-03 15:05:04.000000000 +0200
> @@ -305,7 +305,7 @@
> offset, nr_segs, jfs_get_block, NULL);
> }
>
> -struct address_space_operations jfs_aops = {
> +const struct address_space_operations jfs_aops = {
> .readpage = jfs_readpage,
> .readpages = jfs_readpages,
> .writepage = jfs_writepage,
> Index: linux-2.6/fs/jfs/jfs_inode.h
> ===================================================================
> --- linux-2.6.orig/fs/jfs/jfs_inode.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jfs/jfs_inode.h 2006-05-03 15:05:06.000000000 +0200
> @@ -33,7 +33,7 @@
> extern struct dentry *jfs_get_parent(struct dentry *dentry);
> extern void jfs_set_inode_flags(struct inode *);
>
> -extern struct address_space_operations jfs_aops;
> +extern const struct address_space_operations jfs_aops;
> extern struct inode_operations jfs_dir_inode_operations;
> extern const struct file_operations jfs_dir_operations;
> extern struct inode_operations jfs_file_inode_operations;
> Index: linux-2.6/fs/jfs/jfs_metapage.c
> ===================================================================
> --- linux-2.6.orig/fs/jfs/jfs_metapage.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/jfs/jfs_metapage.c 2006-05-03 15:05:09.000000000 +0200
> @@ -587,7 +587,7 @@
> metapage_releasepage(page, 0);
> }
>
> -struct address_space_operations jfs_metapage_aops = {
> +const struct address_space_operations jfs_metapage_aops = {
> .readpage = metapage_readpage,
> .writepage = metapage_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/jfs/jfs_metapage.h
> ===================================================================
> --- linux-2.6.orig/fs/jfs/jfs_metapage.h 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/jfs/jfs_metapage.h 2006-05-03 15:05:11.000000000 +0200
> @@ -139,7 +139,7 @@
> put_metapage(mp);
> }
>
> -extern struct address_space_operations jfs_metapage_aops;
> +extern const struct address_space_operations jfs_metapage_aops;
>
> /*
> * This routines invalidate all pages for an extent.
> Index: linux-2.6/fs/minix/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/minix/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/minix/inode.c 2006-05-03 15:05:14.000000000 +0200
> @@ -335,7 +335,7 @@
> {
> return generic_block_bmap(mapping,block,minix_get_block);
> }
> -static struct address_space_operations minix_aops = {
> +static const struct address_space_operations minix_aops = {
> .readpage = minix_readpage,
> .writepage = minix_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/ncpfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/ncpfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ncpfs/inode.c 2006-05-03 15:05:16.000000000 +0200
> @@ -105,7 +105,7 @@
>
> extern struct dentry_operations ncp_root_dentry_operations;
> #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
> -extern struct address_space_operations ncp_symlink_aops;
> +extern const struct address_space_operations ncp_symlink_aops;
> extern int ncp_symlink(struct inode*, struct dentry*, const char*);
> #endif
>
> Index: linux-2.6/fs/ncpfs/symlink.c
> ===================================================================
> --- linux-2.6.orig/fs/ncpfs/symlink.c 2006-03-15 11:23:53.000000000 +0100
> +++ linux-2.6/fs/ncpfs/symlink.c 2006-05-03 15:05:19.000000000 +0200
> @@ -99,7 +99,7 @@
> /*
> * symlinks can't do much...
> */
> -struct address_space_operations ncp_symlink_aops = {
> +const struct address_space_operations ncp_symlink_aops = {
> .readpage = ncp_symlink_readpage,
> };
>
> Index: linux-2.6/fs/nfs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/nfs/file.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/fs/nfs/file.c 2006-05-03 15:05:21.000000000 +0200
> @@ -328,7 +328,7 @@
> return !nfs_wb_page(page->mapping->host, page);
> }
>
> -struct address_space_operations nfs_file_aops = {
> +const struct address_space_operations nfs_file_aops = {
> .readpage = nfs_readpage,
> .readpages = nfs_readpages,
> .set_page_dirty = __set_page_dirty_nobuffers,
> Index: linux-2.6/fs/ntfs/aops.c
> ===================================================================
> --- linux-2.6.orig/fs/ntfs/aops.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ntfs/aops.c 2006-05-03 15:05:24.000000000 +0200
> @@ -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. */
> Index: linux-2.6/fs/ntfs/ntfs.h
> ===================================================================
> --- linux-2.6.orig/fs/ntfs/ntfs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ntfs/ntfs.h 2006-05-03 15:05:26.000000000 +0200
> @@ -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;
> Index: linux-2.6/fs/ocfs2/aops.c
> ===================================================================
> --- linux-2.6.orig/fs/ocfs2/aops.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ocfs2/aops.c 2006-05-03 15:05:29.000000000 +0200
> @@ -634,7 +634,7 @@
> return ret;
> }
>
> -struct address_space_operations ocfs2_aops = {
> +const struct address_space_operations ocfs2_aops = {
> .readpage = ocfs2_readpage,
> .writepage = ocfs2_writepage,
> .prepare_write = ocfs2_prepare_write,
> Index: linux-2.6/fs/ocfs2/inode.h
> ===================================================================
> --- linux-2.6.orig/fs/ocfs2/inode.h 2006-03-15 11:23:55.000000000 +0100
> +++ linux-2.6/fs/ocfs2/inode.h 2006-05-03 15:05:31.000000000 +0200
> @@ -114,7 +114,7 @@
>
> extern kmem_cache_t *ocfs2_inode_cache;
>
> -extern struct address_space_operations ocfs2_aops;
> +extern const struct address_space_operations ocfs2_aops;
>
> struct buffer_head *ocfs2_bread(struct inode *inode, int block,
> int *err, int reada);
> Index: linux-2.6/fs/qnx4/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/qnx4/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/qnx4/inode.c 2006-05-03 15:05:33.000000000 +0200
> @@ -448,7 +448,7 @@
> {
> return generic_block_bmap(mapping,block,qnx4_get_block);
> }
> -static struct address_space_operations qnx4_aops = {
> +static const struct address_space_operations qnx4_aops = {
> .readpage = qnx4_readpage,
> .writepage = qnx4_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/ramfs/file-mmu.c
> ===================================================================
> --- linux-2.6.orig/fs/ramfs/file-mmu.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ramfs/file-mmu.c 2006-05-03 15:05:36.000000000 +0200
> @@ -26,7 +26,7 @@
>
> #include <linux/fs.h>
>
> -struct address_space_operations ramfs_aops = {
> +const struct address_space_operations ramfs_aops = {
> .readpage = simple_readpage,
> .prepare_write = simple_prepare_write,
> .commit_write = simple_commit_write
> Index: linux-2.6/fs/ramfs/file-nommu.c
> ===================================================================
> --- linux-2.6.orig/fs/ramfs/file-nommu.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ramfs/file-nommu.c 2006-05-03 15:05:38.000000000 +0200
> @@ -27,7 +27,7 @@
>
> static int ramfs_nommu_setattr(struct dentry *, struct iattr *);
>
> -struct address_space_operations ramfs_aops = {
> +const struct address_space_operations ramfs_aops = {
> .readpage = simple_readpage,
> .prepare_write = simple_prepare_write,
> .commit_write = simple_commit_write
> Index: linux-2.6/fs/ramfs/internal.h
> ===================================================================
> --- linux-2.6.orig/fs/ramfs/internal.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/ramfs/internal.h 2006-05-03 15:05:41.000000000 +0200
> @@ -10,6 +10,6 @@
> */
>
>
> -extern struct address_space_operations ramfs_aops;
> +extern const struct address_space_operations ramfs_aops;
> extern const struct file_operations ramfs_file_operations;
> extern struct inode_operations ramfs_file_inode_operations;
> Index: linux-2.6/fs/reiserfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/reiserfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/reiserfs/inode.c 2006-05-03 15:05:43.000000000 +0200
> @@ -2996,7 +2996,7 @@
> return error;
> }
>
> -struct address_space_operations reiserfs_address_space_operations = {
> +const struct address_space_operations reiserfs_address_space_operations = {
> .writepage = reiserfs_writepage,
> .readpage = reiserfs_readpage,
> .readpages = reiserfs_readpages,
> Index: linux-2.6/fs/romfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/romfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/romfs/inode.c 2006-05-03 15:06:13.000000000 +0200
> @@ -459,7 +459,7 @@
>
> /* Mapping from our types to the kernel */
>
> -static struct address_space_operations romfs_aops = {
> +static const struct address_space_operations romfs_aops = {
> .readpage = romfs_readpage
> };
>
> Index: linux-2.6/fs/smbfs/file.c
> ===================================================================
> --- linux-2.6.orig/fs/smbfs/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/smbfs/file.c 2006-05-03 15:06:17.000000000 +0200
> @@ -306,7 +306,7 @@
> return status;
> }
>
> -struct address_space_operations smb_file_aops = {
> +const struct address_space_operations smb_file_aops = {
> .readpage = smb_readpage,
> .writepage = smb_writepage,
> .prepare_write = smb_prepare_write,
> Index: linux-2.6/fs/smbfs/proto.h
> ===================================================================
> --- linux-2.6.orig/fs/smbfs/proto.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/smbfs/proto.h 2006-05-03 15:06:21.000000000 +0200
> @@ -63,7 +63,7 @@
> extern int smb_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
> extern int smb_notify_change(struct dentry *dentry, struct iattr *attr);
> /* file.c */
> -extern struct address_space_operations smb_file_aops;
> +extern const struct address_space_operations smb_file_aops;
> extern const struct file_operations smb_file_operations;
> extern struct inode_operations smb_file_inode_operations;
> /* ioctl.c */
> Index: linux-2.6/fs/sysfs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/sysfs/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/sysfs/inode.c 2006-05-03 15:06:23.000000000 +0200
> @@ -16,7 +16,7 @@
>
> extern struct super_block * sysfs_sb;
>
> -static struct address_space_operations sysfs_aops = {
> +static const struct address_space_operations sysfs_aops = {
> .readpage = simple_readpage,
> .prepare_write = simple_prepare_write,
> .commit_write = simple_commit_write
> Index: linux-2.6/fs/sysv/itree.c
> ===================================================================
> --- linux-2.6.orig/fs/sysv/itree.c 2006-03-15 11:23:56.000000000 +0100
> +++ linux-2.6/fs/sysv/itree.c 2006-05-03 15:06:26.000000000 +0200
> @@ -465,7 +465,7 @@
> {
> return generic_block_bmap(mapping,block,get_block);
> }
> -struct address_space_operations sysv_aops = {
> +const struct address_space_operations sysv_aops = {
> .readpage = sysv_readpage,
> .writepage = sysv_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/sysv/sysv.h
> ===================================================================
> --- linux-2.6.orig/fs/sysv/sysv.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/sysv/sysv.h 2006-05-03 15:06:28.000000000 +0200
> @@ -161,7 +161,7 @@
> extern struct inode_operations sysv_fast_symlink_inode_operations;
> extern const struct file_operations sysv_file_operations;
> extern const struct file_operations sysv_dir_operations;
> -extern struct address_space_operations sysv_aops;
> +extern const struct address_space_operations sysv_aops;
> extern struct super_operations sysv_sops;
> extern struct dentry_operations sysv_dentry_operations;
>
> Index: linux-2.6/fs/udf/file.c
> ===================================================================
> --- linux-2.6.orig/fs/udf/file.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/udf/file.c 2006-05-03 15:06:36.000000000 +0200
> @@ -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,
> Index: linux-2.6/fs/udf/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/udf/inode.c 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/udf/inode.c 2006-05-03 15:06:39.000000000 +0200
> @@ -132,7 +132,7 @@
> return generic_block_bmap(mapping,block,udf_get_block);
> }
>
> -struct address_space_operations udf_aops = {
> +const struct address_space_operations udf_aops = {
> .readpage = udf_readpage,
> .writepage = udf_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/udf/symlink.c
> ===================================================================
> --- linux-2.6.orig/fs/udf/symlink.c 2006-03-15 11:23:56.000000000 +0100
> +++ linux-2.6/fs/udf/symlink.c 2006-05-03 15:06:41.000000000 +0200
> @@ -113,6 +113,6 @@
> /*
> * symlinks can't do much...
> */
> -struct address_space_operations udf_symlink_aops = {
> +const struct address_space_operations udf_symlink_aops = {
> .readpage = udf_symlink_filler,
> };
> Index: linux-2.6/fs/udf/udfdecl.h
> ===================================================================
> --- linux-2.6.orig/fs/udf/udfdecl.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/udf/udfdecl.h 2006-05-03 15:06:44.000000000 +0200
> @@ -47,9 +47,9 @@
> extern const struct file_operations udf_dir_operations;
> extern struct inode_operations udf_file_inode_operations;
> extern const struct file_operations udf_file_operations;
> -extern struct address_space_operations udf_aops;
> -extern struct address_space_operations udf_adinicb_aops;
> -extern struct address_space_operations udf_symlink_aops;
> +extern const struct address_space_operations udf_aops;
> +extern const struct address_space_operations udf_adinicb_aops;
> +extern const struct address_space_operations udf_symlink_aops;
>
> struct udf_fileident_bh
> {
> Index: linux-2.6/fs/ufs/inode.c
> ===================================================================
> --- linux-2.6.orig/fs/ufs/inode.c 2006-03-15 11:23:56.000000000 +0100
> +++ linux-2.6/fs/ufs/inode.c 2006-05-03 15:06:46.000000000 +0200
> @@ -531,7 +531,7 @@
> {
> return generic_block_bmap(mapping,block,ufs_getfrag_block);
> }
> -struct address_space_operations ufs_aops = {
> +const struct address_space_operations ufs_aops = {
> .readpage = ufs_readpage,
> .writepage = ufs_writepage,
> .sync_page = block_sync_page,
> Index: linux-2.6/fs/xfs/linux-2.6/xfs_aops.c
> ===================================================================
> --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_aops.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/fs/xfs/linux-2.6/xfs_aops.c 2006-05-03 15:06:49.000000000 +0200
> @@ -1448,7 +1448,7 @@
> block_invalidatepage(page, offset);
> }
>
> -struct address_space_operations xfs_address_space_operations = {
> +const struct address_space_operations xfs_address_space_operations = {
> .readpage = xfs_vm_readpage,
> .readpages = xfs_vm_readpages,
> .writepage = xfs_vm_writepage,
> Index: linux-2.6/fs/xfs/linux-2.6/xfs_aops.h
> ===================================================================
> --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_aops.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/fs/xfs/linux-2.6/xfs_aops.h 2006-05-03 15:06:52.000000000 +0200
> @@ -40,7 +40,7 @@
> struct work_struct io_work; /* xfsdatad work queue */
> } xfs_ioend_t;
>
> -extern struct address_space_operations xfs_address_space_operations;
> +extern const struct address_space_operations xfs_address_space_operations;
> extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int);
>
> #endif /* __XFS_IOPS_H__ */
> Index: linux-2.6/fs/xfs/linux-2.6/xfs_buf.c
> ===================================================================
> --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_buf.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/fs/xfs/linux-2.6/xfs_buf.c 2006-05-03 15:07:00.000000000 +0200
> @@ -1520,7 +1520,7 @@
> struct backing_dev_info *bdi;
> struct inode *inode;
> struct address_space *mapping;
> - static struct address_space_operations mapping_aops = {
> + static const struct address_space_operations mapping_aops = {
> .sync_page = block_sync_page,
> .migratepage = fail_migrate_page,
> };
> Index: linux-2.6/include/linux/coda_linux.h
> ===================================================================
> --- linux-2.6.orig/include/linux/coda_linux.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/include/linux/coda_linux.h 2006-05-03 15:07:08.000000000 +0200
> @@ -27,8 +27,8 @@
> extern struct inode_operations coda_file_inode_operations;
> extern struct inode_operations coda_ioctl_inode_operations;
>
> -extern struct address_space_operations coda_file_aops;
> -extern struct address_space_operations coda_symlink_aops;
> +extern const struct address_space_operations coda_file_aops;
> +extern const struct address_space_operations coda_symlink_aops;
>
> extern const struct file_operations coda_dir_operations;
> extern const struct file_operations coda_file_operations;
> Index: linux-2.6/include/linux/efs_fs.h
> ===================================================================
> --- linux-2.6.orig/include/linux/efs_fs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/include/linux/efs_fs.h 2006-05-03 15:07:12.000000000 +0200
> @@ -38,7 +38,7 @@
>
> extern struct inode_operations efs_dir_inode_operations;
> extern const struct file_operations efs_dir_operations;
> -extern struct address_space_operations efs_symlink_aops;
> +extern const struct address_space_operations efs_symlink_aops;
>
> extern void efs_read_inode(struct inode *);
> extern efs_block_t efs_map_block(struct inode *, efs_block_t);
> Index: linux-2.6/include/linux/fs.h
> ===================================================================
> --- linux-2.6.orig/include/linux/fs.h 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/include/linux/fs.h 2006-05-03 14:59:10.000000000 +0200
> @@ -388,7 +388,7 @@
> unsigned int truncate_count; /* Cover race condition with truncate */
> unsigned long nrpages; /* number of total pages */
> pgoff_t writeback_index;/* writeback starts here */
> - struct address_space_operations *a_ops; /* methods */
> + const struct address_space_operations *a_ops; /* methods */
> unsigned long flags; /* error bits/gfp mask */
> struct backing_dev_info *backing_dev_info; /* device readahead, etc */
> spinlock_t private_lock; /* for use by the address_space */
> @@ -1400,7 +1400,7 @@
> extern void bdput(struct block_device *);
> extern struct block_device *open_by_devnum(dev_t, unsigned);
> extern const struct file_operations def_blk_fops;
> -extern struct address_space_operations def_blk_aops;
> +extern const struct address_space_operations def_blk_aops;
> extern const struct file_operations def_chr_fops;
> extern const struct file_operations bad_sock_fops;
> extern const struct file_operations def_fifo_fops;
> Index: linux-2.6/include/linux/nfs_fs.h
> ===================================================================
> --- linux-2.6.orig/include/linux/nfs_fs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/include/linux/nfs_fs.h 2006-05-03 15:07:24.000000000 +0200
> @@ -325,7 +325,7 @@
> extern struct inode_operations nfs3_file_inode_operations;
> #endif /* CONFIG_NFS_V3 */
> extern const struct file_operations nfs_file_operations;
> -extern struct address_space_operations nfs_file_aops;
> +extern const struct address_space_operations nfs_file_aops;
>
> static inline struct rpc_cred *nfs_file_cred(struct file *file)
> {
> Index: linux-2.6/include/linux/reiserfs_fs.h
> ===================================================================
> --- linux-2.6.orig/include/linux/reiserfs_fs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/include/linux/reiserfs_fs.h 2006-05-03 15:07:27.000000000 +0200
> @@ -1973,7 +1973,7 @@
> /* file.c */
> extern struct inode_operations reiserfs_file_inode_operations;
> extern const struct file_operations reiserfs_file_operations;
> -extern struct address_space_operations reiserfs_address_space_operations;
> +extern const struct address_space_operations reiserfs_address_space_operations;
>
> /* fix_nodes.c */
>
> Index: linux-2.6/include/linux/ufs_fs.h
> ===================================================================
> --- linux-2.6.orig/include/linux/ufs_fs.h 2006-04-04 16:50:12.000000000 +0200
> +++ linux-2.6/include/linux/ufs_fs.h 2006-05-03 15:07:30.000000000 +0200
> @@ -897,7 +897,7 @@
> extern struct inode_operations ufs_file_inode_operations;
> extern const struct file_operations ufs_file_operations;
>
> -extern struct address_space_operations ufs_aops;
> +extern const struct address_space_operations ufs_aops;
>
> /* ialloc.c */
> extern void ufs_free_inode (struct inode *inode);
> Index: linux-2.6/mm/filemap.c
> ===================================================================
> --- linux-2.6.orig/mm/filemap.c 2006-04-28 19:25:49.000000000 +0200
> +++ linux-2.6/mm/filemap.c 2006-05-03 15:07:39.000000000 +0200
> @@ -1978,7 +1978,7 @@
> {
> struct file *file = iocb->ki_filp;
> struct address_space * mapping = file->f_mapping;
> - struct address_space_operations *a_ops = mapping->a_ops;
> + const struct address_space_operations *a_ops = mapping->a_ops;
> struct inode *inode = mapping->host;
> long status = 0;
> struct page *page;
> Index: linux-2.6/mm/filemap_xip.c
> ===================================================================
> --- linux-2.6.orig/mm/filemap_xip.c 2006-03-15 11:24:02.000000000 +0100
> +++ linux-2.6/mm/filemap_xip.c 2006-05-03 15:07:44.000000000 +0200
> @@ -273,7 +273,7 @@
> size_t count, loff_t pos, loff_t *ppos)
> {
> struct address_space * mapping = filp->f_mapping;
> - struct address_space_operations *a_ops = mapping->a_ops;
> + const struct address_space_operations *a_ops = mapping->a_ops;
> struct inode *inode = mapping->host;
> long status = 0;
> struct page *page;
> Index: linux-2.6/mm/shmem.c
> ===================================================================
> --- linux-2.6.orig/mm/shmem.c 2006-04-25 15:53:07.000000000 +0200
> +++ linux-2.6/mm/shmem.c 2006-05-03 15:07:51.000000000 +0200
> @@ -174,7 +174,7 @@
> }
>
> static struct super_operations shmem_ops;
> -static struct address_space_operations shmem_aops;
> +static const struct address_space_operations shmem_aops;
> static struct file_operations shmem_file_operations;
> static struct inode_operations shmem_inode_operations;
> static struct inode_operations shmem_dir_inode_operations;
> @@ -2168,7 +2168,7 @@
> printk(KERN_INFO "shmem_inode_cache: not all structures were freed\n");
> }
>
> -static struct address_space_operations shmem_aops = {
> +static const struct address_space_operations shmem_aops = {
> .writepage = shmem_writepage,
> .set_page_dirty = __set_page_dirty_nobuffers,
> #ifdef CONFIG_TMPFS
> Index: linux-2.6/mm/swap_state.c
> ===================================================================
> --- linux-2.6.orig/mm/swap_state.c 2006-04-04 16:50:13.000000000 +0200
> +++ linux-2.6/mm/swap_state.c 2006-05-03 15:07:57.000000000 +0200
> @@ -24,7 +24,7 @@
> * vmscan's shrink_list, to make sync_page look nicer, and to allow
> * future use of radix_tree tags in the swap cache.
> */
> -static struct address_space_operations swap_aops = {
> +static const struct address_space_operations swap_aops = {
> .writepage = swap_writepage,
> .sync_page = block_sync_page,
> .set_page_dirty = __set_page_dirty_nobuffers,
> -
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--
Thanks & Regards
Prasanna S Panchamukhi
Linux Technology Center
India Software Labs, IBM Bangalore
Email: prasanna@xxxxxxxxxx
Ph: 91-80-41776329
-
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