Commit 59d8053f authored by David Howells's avatar David Howells Committed by Al Viro

proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h

Move non-public declarations and definitions from linux/proc_fs.h to
fs/proc/internal.h.
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c30480b9
This diff is collapsed.
...@@ -28,6 +28,7 @@ ...@@ -28,6 +28,7 @@
#include <linux/ioport.h> #include <linux/ioport.h>
#include <linux/memory.h> #include <linux/memory.h>
#include <asm/sections.h> #include <asm/sections.h>
#include "internal.h"
#define CORE_STR "CORE" #define CORE_STR "CORE"
......
#ifndef _LINUX_PROC_FS_H
#define _LINUX_PROC_FS_H
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/spinlock.h>
#include <linux/magic.h>
#include <linux/atomic.h>
#include <linux/proc_ns.h>
struct net;
struct completion;
struct mm_struct;
/* /*
* The proc filesystem constants/structures * The proc filesystem constants/structures
*/ */
#ifndef _LINUX_PROC_FS_H
#define _LINUX_PROC_FS_H
/* #include <linux/types.h>
* Offset of the first process in the /proc root directory.. #include <linux/fs.h>
*/
#define FIRST_PROCESS_ENTRY 256
/* Worst case buffer size needed for holding an integer. */
#define PROC_NUMBUF 13
/*
* This is not completely implemented yet. The idea is to
* create an in-memory tree (like the actual /proc filesystem
* tree) of these proc_dir_entries, so that we can dynamically
* add new files to /proc.
*
* The "next" pointer creates a linked list of one /proc directory,
* while parent/subdir create the directory structure (every
* /proc file has a parent, but "subdir" is NULL for all
* non-directory entries).
*/
struct proc_dir_entry { struct proc_dir_entry;
unsigned int low_ino;
umode_t mode;
nlink_t nlink;
kuid_t uid;
kgid_t gid;
loff_t size;
const struct inode_operations *proc_iops;
const struct file_operations *proc_fops;
struct proc_dir_entry *next, *parent, *subdir;
void *data;
atomic_t count; /* use count */
atomic_t in_use; /* number of callers into module in progress; */
/* negative -> it's going away RSN */
struct completion *pde_unload_completion;
struct list_head pde_openers; /* who did ->open, but not ->release */
spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
u8 namelen;
char name[];
};
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
extern void proc_root_init(void); extern void proc_root_init(void);
extern void proc_flush_task(struct task_struct *);
void proc_flush_task(struct task_struct *task);
struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
struct proc_dir_entry *parent,
const struct file_operations *proc_fops,
void *data);
extern void proc_remove(struct proc_dir_entry *);
extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
extern struct proc_dir_entry *proc_symlink(const char *, extern struct proc_dir_entry *proc_symlink(const char *,
struct proc_dir_entry *, 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(const char *, struct proc_dir_entry *);
extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t, extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
struct proc_dir_entry *, void *); struct proc_dir_entry *, void *);
extern struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
struct proc_dir_entry *parent); 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, static inline struct proc_dir_entry *proc_create(
struct proc_dir_entry *parent, const struct file_operations *proc_fops) 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); return proc_create_data(name, mode, parent, proc_fops, NULL);
} }
...@@ -89,60 +38,37 @@ extern void proc_set_size(struct proc_dir_entry *, loff_t); ...@@ -89,60 +38,37 @@ 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 proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
extern void *PDE_DATA(const struct inode *); extern void *PDE_DATA(const struct inode *);
extern void *proc_get_parent_data(const struct inode *); extern void *proc_get_parent_data(const struct inode *);
#else extern void proc_remove(struct proc_dir_entry *);
extern void remove_proc_entry(const char *, struct proc_dir_entry *);
static inline void proc_flush_task(struct task_struct *task) extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
{
}
#define proc_create(name, mode, parent, fops) ({ (void)(mode), NULL; }) #else /* CONFIG_PROC_FS */
static inline struct proc_dir_entry *proc_create_data(const char *name, static inline void proc_flush_task(struct task_struct *task)
umode_t mode, struct proc_dir_entry *parent,
const struct file_operations *proc_fops, void *data)
{ {
return NULL;
} }
static inline void proc_remove(struct proc_dir_entry *de) {}
#define remove_proc_entry(name, parent) do {} while (0)
#define remove_proc_subtree(name, parent) do {} while (0)
static inline struct proc_dir_entry *proc_symlink(const char *name, static inline struct proc_dir_entry *proc_symlink(const char *name,
struct proc_dir_entry *parent,const char *dest) {return NULL;} struct proc_dir_entry *parent,const char *dest) { return NULL;}
static inline struct proc_dir_entry *proc_mkdir(const char *name, static inline struct proc_dir_entry *proc_mkdir(const char *name,
struct proc_dir_entry *parent) {return NULL;} struct proc_dir_entry *parent) {return NULL;}
static inline struct proc_dir_entry *proc_mkdir_data(const char *name, static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
static inline struct proc_dir_entry *proc_mkdir_mode(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; } 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_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 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 *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
#endif /* CONFIG_PROC_FS */ 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; }
union proc_op { #endif /* CONFIG_PROC_FS */
int (*proc_get_link)(struct dentry *, struct path *);
int (*proc_read)(struct task_struct *task, char *page);
int (*proc_show)(struct seq_file *m,
struct pid_namespace *ns, struct pid *pid,
struct task_struct *task);
};
struct ctl_table_header;
struct ctl_table;
struct proc_inode {
struct pid *pid;
int fd;
union proc_op op;
struct proc_dir_entry *pde;
struct ctl_table_header *sysctl;
struct ctl_table *sysctl_entry;
struct proc_ns ns;
struct inode vfs_inode;
};
static inline struct proc_dir_entry *proc_net_mkdir( static inline struct proc_dir_entry *proc_net_mkdir(
struct net *net, const char *name, struct proc_dir_entry *parent) struct net *net, const char *name, struct proc_dir_entry *parent)
......
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