summaryrefslogblamecommitdiffstats
path: root/include/linux/proc_fs.h
blob: 608e60a74c3c124293bb3db038d3a1e8ba804432 (plain) (tree)
1
2
3
4
5
6
7
8
9


                                           

                        
 

                        
 
                      
 

                     
                                 
                                                  
 

                                                        
                                                                                

                                                                               










                                                                              


                                                                     
 

                                                                   
                                            
                                                        




                                                                      
 


                                                            
 
                                                                   
                                                                               

                                                                 

                                                                                 
                                                                      
                                                                     


                                                                       

                                                                                      
                                                                             
                                                                                           
 


                                                                                                    
 
                           
 





                                                                         
                             
/*
 * The proc filesystem constants/structures
 */
#ifndef _LINUX_PROC_FS_H
#define _LINUX_PROC_FS_H

#include <linux/types.h>
#include <linux/fs.h>

struct proc_dir_entry;

#ifdef CONFIG_PROC_FS

extern void proc_root_init(void);
extern void proc_flush_task(struct task_struct *);

extern struct proc_dir_entry *proc_symlink(const char *,
		struct proc_dir_entry *, const char *);
extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
					      struct proc_dir_entry *, void *);
extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
					      struct proc_dir_entry *);
 
extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
					       struct proc_dir_entry *,
					       const struct file_operations *,
					       void *);

static inline struct proc_dir_entry *proc_create(
	const char *name, umode_t mode, struct proc_dir_entry *parent,
	const struct file_operations *proc_fops)
{
	return proc_create_data(name, mode, parent, proc_fops, NULL);
}

extern void proc_set_size(struct proc_dir_entry *, loff_t);
extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
extern void *PDE_DATA(const struct inode *);
extern void *proc_get_parent_data(const struct inode *);
extern void proc_remove(struct proc_dir_entry *);
extern void remove_proc_entry(const char *, struct proc_dir_entry *);
extern int remove_proc_subtree(const char *, struct proc_dir_entry *);

#else /* CONFIG_PROC_FS */

static inline void proc_flush_task(struct task_struct *task)
{
}

static inline struct proc_dir_entry *proc_symlink(const char *name,
		struct proc_dir_entry *parent,const char *dest) { return NULL;}
static inline struct proc_dir_entry *proc_mkdir(const char *name,
	struct proc_dir_entry *parent) {return NULL;}
static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
	umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
	umode_t mode, struct proc_dir_entry *parent) { return NULL; }
#define proc_create(name, mode, parent, proc_fops) ({NULL;})
#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})

static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }

static inline void proc_remove(struct proc_dir_entry *de) {}
#define remove_proc_entry(name, parent) do {} while (0)
static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }

#endif /* CONFIG_PROC_FS */

static inline struct proc_dir_entry *proc_net_mkdir(
	struct net *net, const char *name, struct proc_dir_entry *parent)
{
	return proc_mkdir_data(name, 0, parent, net);
}

#endif /* _LINUX_PROC_FS_H */