LXR linux/include/linux/proc

   1/*
   2 * The proc filesystem constants/structures
   3 */
   4#ifndef _LINUX_PROC_FS_H
   5#define _LINUX_PROC_FS_H
   6
   7#include <linux/types.h>
   8#include <linux/fs.h>
   9
  10struct proc_dir_entry;
  11
  12#ifdef CONFIG_PROC_FS
  13
  14extern void proc_root_init(void);
  15extern void proc_flush_task(struct task_struct *);
  16
  17extern struct proc_dir_entry *proc_symlink(const char *,
  18                struct proc_dir_entry *, const char *);
  19extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
  20extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
  21                                              struct proc_dir_entry *, void *);
  22extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
  23                                              struct proc_dir_entry *);
  24struct proc_dir_entry *proc_create_mount_point(const char *name);
  25 
  26extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
  27                                               struct proc_dir_entry *,
  28                                               const struct file_operations *,
  29                                               void *);
  30
  31static inline struct proc_dir_entry *proc_create(
  32        const char *name, umode_t mode, struct proc_dir_entry *parent,
  33        const struct file_operations *proc_fops)
  34{
  35        return proc_create_data(name, mode, parent, proc_fops, NULL);
  36}
  37
  38extern void proc_set_size(struct proc_dir_entry *, loff_t);
  39extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
  40extern void *PDE_DATA(const struct inode *);
  41extern void *proc_get_parent_data(const struct inode *);
  42extern void proc_remove(struct proc_dir_entry *);
  43extern void remove_proc_entry(const char *, struct proc_dir_entry *);
  44extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
  45
  46#else /* CONFIG_PROC_FS */
  47
  48static inline void proc_root_init(void)
  49{
  50}
  51
  52static inline void proc_flush_task(struct task_struct *task)
  53{
  54}
  55
  56static inline struct proc_dir_entry *proc_symlink(const char *name,
  57                struct proc_dir_entry *parent,const char *dest) { return NULL;}
  58static inline struct proc_dir_entry *proc_mkdir(const char *name,
  59        struct proc_dir_entry *parent) {return NULL;}
  60static inline struct proc_dir_entry *proc_create_mount_point(const char *name) { return NULL; }
  61static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
  62        umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
  63static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
  64        umode_t mode, struct proc_dir_entry *parent) { return NULL; }
  65#define proc_create(name, mode, parent, proc_fops) ({NULL;})
  66#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
  67
  68static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
  69static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
  70static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
  71static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
  72
  73static inline void proc_remove(struct proc_dir_entry *de) {}
  74#define remove_proc_entry(name, parent) do {} while (0)
  75static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
  76
  77#endif /* CONFIG_PROC_FS */
  78
  79struct net;
  80
  81static inline struct proc_dir_entry *proc_net_mkdir(
  82        struct net *net, const char *name, struct proc_dir_entry *parent)
  83{
  84        return proc_mkdir_data(name, 0, parent, net);
  85}
  86
  87struct ns_common;
  88int open_related_ns(struct ns_common *ns,
  89                   struct ns_common *(*get_ns)(struct ns_common *ns));
  90
  91#endif /* _LINUX_PROC_FS_H */
  92