[PATCH] mark f_ops const in the inode

Mark the f_ops members of inodes as const, as well as fix the
ripple-through this causes by places that copy this f_ops and then "do
stuff" with it.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 680d913350e7..ef355bc73714 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -496,7 +496,7 @@ struct inode {
         struct mutex            i_mutex;
         struct rw_semaphore     i_alloc_sem;
         struct inode_operations *i_op;
-        struct file_operations  *i_fop; /* former ->i_op->default_file_ops */
+        const struct file_operations    *i_fop; /* former ->i_op->default_file_ops */
         struct super_block      *i_sb;
         struct file_lock        *i_flock;
         struct address_space    *i_mapping;
@@ -636,7 +636,7 @@ struct file {
         } f_u;
         struct dentry           *f_dentry;
         struct vfsmount         *f_vfsmnt;
-        struct file_operations  *f_op;
+        const struct file_operations    *f_op;
         atomic_t                f_count;
         unsigned int            f_flags;
         mode_t                  f_mode;
@@ -1414,7 +1414,7 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *);
 extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
 extern int register_chrdev_region(dev_t, unsigned, const char *);
 extern int register_chrdev(unsigned int, const char *,
-                           struct file_operations *);
+                           const struct file_operations *);
 extern int unregister_chrdev(unsigned int, const char *);
 extern void unregister_chrdev_region(dev_t, unsigned);
 extern int chrdev_open(struct inode *, struct file *);