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proc: Delete create_proc_read_entry()

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Delete create_proc_read_entry() as it no longer has any users.

Also delete read_proc_t, write_proc_t, the read_proc member of the
proc_dir_entry struct and the support functions that use them.  This saves a
pointer for every PDE allocated.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2013-04-11 03:20:50 +01:00 • committed by Al Viro
parent 526c59784c
commit 3cb5bf1bf9
4 changed files with 1 additions and 220 deletions
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16
include/linux/proc_fs.h
View file

@ -47,11 +47,6 @@ enum {
* non-directory entries).
*/
typedef int (read_proc_t)(char *page, char **start, off_t off,
int count, int *eof, void *data);
typedef int (write_proc_t)(struct file *file, const char __user *buffer,
unsigned long count, void *data);
struct proc_dir_entry {
unsigned int low_ino;
umode_t mode;
@ -63,7 +58,6 @@ struct proc_dir_entry {
const struct file_operations *proc_fops;
struct proc_dir_entry *next, *parent, *subdir;
void *data;
read_proc_t *read_proc;
atomic_t count; /* use count */
atomic_t in_use; /* number of callers into module in progress; */
/* negative -> it's going away RSN */
@ -154,11 +148,6 @@ static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
{
return proc_create_data(name, mode, parent, proc_fops, NULL);
}
extern __deprecated
struct proc_dir_entry *create_proc_read_entry(const char *name,
umode_t mode, struct proc_dir_entry *base,
read_proc_t *read_proc, void *data);
extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
struct proc_dir_entry *parent);
@ -192,11 +181,6 @@ static inline struct proc_dir_entry *proc_mkdir(const char *name,
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
umode_t mode, struct proc_dir_entry *parent) { return NULL; }
static inline __deprecated
struct proc_dir_entry *create_proc_read_entry(const char *name,
umode_t mode, struct proc_dir_entry *base,
read_proc_t *read_proc, void * data) { return NULL; }
struct tty_driver;
static inline void proc_tty_register_driver(struct tty_driver *driver) {};
static inline void proc_tty_unregister_driver(struct tty_driver *driver) {};