[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>

12 files changed, 25 insertions, 25 deletions

diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index 8da37e29cb87..2216638962d2 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -5,13 +5,13 @@
 struct cdev {
         struct kobject kobj;
         struct module *owner;
-        struct file_operations *ops;
+        const struct file_operations *ops;
         struct list_head list;
         dev_t dev;
         unsigned int count;
 };
 
-void cdev_init(struct cdev *, struct file_operations *);
+void cdev_init(struct cdev *, const struct file_operations *);
 
 struct cdev *cdev_alloc(void);
 
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 4b0428e335be..176e2d371577 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -29,7 +29,7 @@ struct debugfs_blob_wrapper {
 #if defined(CONFIG_DEBUG_FS)
 struct dentry *debugfs_create_file(const char *name, mode_t mode,
                                    struct dentry *parent, void *data,
-                                   struct file_operations *fops);
+                                   const struct file_operations *fops);
 
 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
 
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 *);
diff --git a/include/linux/input.h b/include/linux/input.h
index 6d4cc3c110d6..1d4e341b72e6 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -957,7 +957,7 @@ struct input_handler {
         struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
         void (*disconnect)(struct input_handle *handle);
 
-        struct file_operations *fops;
+        const struct file_operations *fops;
         int minor;
         char *name;
 
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 14ceebfc1efa..5b584dafb5a6 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -36,7 +36,7 @@ struct class_device;
 struct miscdevice  {
         int minor;
         const char *name;
-        struct file_operations *fops;
+        const struct file_operations *fops;
         struct list_head list;
         struct device *dev;
         struct class_device *class;
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index b5b3197dfd4f..0d514b252454 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -84,10 +84,10 @@ void oprofile_add_trace(unsigned long eip);
  * the specified file operations.
  */
 int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops);
+        char const * name, const struct file_operations * fops);
 
 int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops, int perm);
+        char const * name, const struct file_operations * fops, int perm);
  
 /** Create a file for read/write access to an unsigned long. */
 int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index cb224cf653b1..6d03d025fcd5 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -58,7 +58,7 @@ struct proc_dir_entry {
         gid_t gid;
         loff_t size;
         struct inode_operations * proc_iops;
-        struct file_operations * proc_fops;
+        const struct file_operations * proc_fops;
         get_info_t *get_info;
         struct module *owner;
         struct proc_dir_entry *next, *parent, *subdir;
@@ -189,7 +189,7 @@ static inline struct proc_dir_entry *proc_net_create(const char *name,
 }
 
 static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
-        mode_t mode, struct file_operations *fops)
+        mode_t mode, const struct file_operations *fops)
 {
         struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
         if (res)
diff --git a/include/linux/sound.h b/include/linux/sound.h
index 72b9af4c3fd4..f63d8342ffa3 100644
--- a/include/linux/sound.h
+++ b/include/linux/sound.h
@@ -30,12 +30,12 @@
  */
  
 struct device;
-extern int register_sound_special(struct file_operations *fops, int unit);
-extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev);
-extern int register_sound_mixer(struct file_operations *fops, int dev);
-extern int register_sound_midi(struct file_operations *fops, int dev);
-extern int register_sound_dsp(struct file_operations *fops, int dev);
-extern int register_sound_synth(struct file_operations *fops, int dev);
+extern int register_sound_special(const struct file_operations *fops, int unit);
+extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
+extern int register_sound_mixer(const struct file_operations *fops, int dev);
+extern int register_sound_midi(const struct file_operations *fops, int dev);
+extern int register_sound_dsp(const struct file_operations *fops, int dev);
+extern int register_sound_synth(const struct file_operations *fops, int dev);
 
 extern void unregister_sound_special(int unit);
 extern void unregister_sound_mixer(int unit);
diff --git a/include/linux/sunrpc/stats.h b/include/linux/sunrpc/stats.h
index 0d6ed3c8bdc4..d93c24b47f3f 100644
--- a/include/linux/sunrpc/stats.h
+++ b/include/linux/sunrpc/stats.h
@@ -50,7 +50,7 @@ struct proc_dir_entry *	rpc_proc_register(struct rpc_stat *);
 void                    rpc_proc_unregister(const char *);
 void                    rpc_proc_zero(struct rpc_program *);
 struct proc_dir_entry * svc_proc_register(struct svc_stat *,
-                                          struct file_operations *);
+                                          const struct file_operations *);
 void                    svc_proc_unregister(const char *);
 
 void                    svc_seq_show(struct seq_file *,
@@ -65,7 +65,7 @@ static inline void rpc_proc_unregister(const char *p) {}
 static inline void rpc_proc_zero(struct rpc_program *p) {}
 
 static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s,
-                                                       struct file_operations *f) { return NULL; }
+                                                       const struct file_operations *f) { return NULL; }
 static inline void svc_proc_unregister(const char *p) {}
 
 static inline void svc_seq_show(struct seq_file *seq,
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 130d125fda12..e34e5e3dce52 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -615,7 +615,7 @@ extern struct bus_type usb_bus_type;
  */
 struct usb_class_driver {
         char *name;
-        struct file_operations *fops;
+        const struct file_operations *fops;
         int minor_base;
 };
 
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 2275bfec5b68..af2d6155d3fe 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -75,7 +75,7 @@ struct video_device
         int minor;
 
         /* device ops + callbacks */
-        struct file_operations *fops;
+        const struct file_operations *fops;
         void (*release)(struct video_device *vfd);
 
 
diff --git a/include/sound/core.h b/include/sound/core.h
index 144bdc2f217f..7f32c12b4a0a 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -186,7 +186,7 @@ struct snd_minor {
         int type;                       /* SNDRV_DEVICE_TYPE_XXX */
         int card;                       /* card number */
         int device;                     /* device number */
-        struct file_operations *f_ops;  /* file operations */
+        const struct file_operations *f_ops;    /* file operations */
         void *private_data;             /* private data for f_ops->open */
         char name[0];                   /* device name (keep at the end of
                                                                 structure) */
@@ -200,14 +200,14 @@ extern int snd_ecards_limit;
 void snd_request_card(int card);
 
 int snd_register_device(int type, struct snd_card *card, int dev,
-                        struct file_operations *f_ops, void *private_data,
+                        const struct file_operations *f_ops, void *private_data,
                         const char *name);
 int snd_unregister_device(int type, struct snd_card *card, int dev);
 void *snd_lookup_minor_data(unsigned int minor, int type);
 
 #ifdef CONFIG_SND_OSSEMUL
 int snd_register_oss_device(int type, struct snd_card *card, int dev,
-                            struct file_operations *f_ops, void *private_data,
+                            const struct file_operations *f_ops, void *private_data,
                             const char *name);
 int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
 void *snd_lookup_oss_minor_data(unsigned int minor, int type);