Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / include / linux / proc_fs.h
blob928ef9e4d912513bcee0b366f4cf781d534d55cd
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * The proc filesystem constants/structures
4 */
5 #ifndef _LINUX_PROC_FS_H
6 #define _LINUX_PROC_FS_H
8 #include <linux/types.h>
9 #include <linux/fs.h>
11 struct proc_dir_entry;
13 #ifdef CONFIG_PROC_FS
15 extern void proc_root_init(void);
16 extern void proc_flush_task(struct task_struct *);
18 extern struct proc_dir_entry *proc_symlink(const char *,
19 struct proc_dir_entry *, const char *);
20 extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
21 extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
22 struct proc_dir_entry *, void *);
23 extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
24 struct proc_dir_entry *);
25 struct proc_dir_entry *proc_create_mount_point(const char *name);
27 extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
28 struct proc_dir_entry *,
29 const struct file_operations *,
30 void *);
32 struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops);
33 extern void proc_set_size(struct proc_dir_entry *, loff_t);
34 extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
35 extern void *PDE_DATA(const struct inode *);
36 extern void *proc_get_parent_data(const struct inode *);
37 extern void proc_remove(struct proc_dir_entry *);
38 extern void remove_proc_entry(const char *, struct proc_dir_entry *);
39 extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
41 #else /* CONFIG_PROC_FS */
43 static inline void proc_root_init(void)
47 static inline void proc_flush_task(struct task_struct *task)
51 static inline struct proc_dir_entry *proc_symlink(const char *name,
52 struct proc_dir_entry *parent,const char *dest) { return NULL;}
53 static inline struct proc_dir_entry *proc_mkdir(const char *name,
54 struct proc_dir_entry *parent) {return NULL;}
55 static inline struct proc_dir_entry *proc_create_mount_point(const char *name) { return NULL; }
56 static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
57 umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
58 static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
59 umode_t mode, struct proc_dir_entry *parent) { return NULL; }
60 #define proc_create(name, mode, parent, proc_fops) ({NULL;})
61 #define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
63 static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
64 static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
65 static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
66 static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
68 static inline void proc_remove(struct proc_dir_entry *de) {}
69 #define remove_proc_entry(name, parent) do {} while (0)
70 static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
72 #endif /* CONFIG_PROC_FS */
74 struct net;
76 static inline struct proc_dir_entry *proc_net_mkdir(
77 struct net *net, const char *name, struct proc_dir_entry *parent)
79 return proc_mkdir_data(name, 0, parent, net);
82 struct ns_common;
83 int open_related_ns(struct ns_common *ns,
84 struct ns_common *(*get_ns)(struct ns_common *ns));
86 #endif /* _LINUX_PROC_FS_H */