[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/jfs/inode.c b/fs/jfs/inode.c
index 04eb78f..43e3f56 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -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,
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index c300726..b5c7da6 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -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;
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 7f6e880..e1e0a6e 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -577,7 +577,7 @@
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,
diff --git a/fs/jfs/jfs_metapage.h b/fs/jfs/jfs_metapage.h
index f0b7d32..d17a329 100644
--- a/fs/jfs/jfs_metapage.h
+++ b/fs/jfs/jfs_metapage.h
@@ -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.