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-rw-r--r--include/linux/proc_fs.h140
1 files changed, 33 insertions, 107 deletions
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 2112926de854..608e60a74c3c 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -1,148 +1,74 @@
-#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
*/
+#ifndef _LINUX_PROC_FS_H
+#define _LINUX_PROC_FS_H
-/*
- * Offset of the first process in the /proc root directory..
- */
-#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).
- */
+#include <linux/types.h>
+#include <linux/fs.h>
-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[];
-};
+struct proc_dir_entry;
#ifdef CONFIG_PROC_FS
extern void proc_root_init(void);
-
-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 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(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 *name, umode_t mode,
- struct proc_dir_entry *parent);
-
-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)
+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 *);
-#else
+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)
{
}
-#define proc_create(name, mode, parent, fops) ({ (void)(mode), NULL; })
-
-static inline 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)
-{
- 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,
- 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,
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; }
-#endif /* CONFIG_PROC_FS */
-
-
-union proc_op {
- 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;
+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; }
-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;
-};
+#endif /* CONFIG_PROC_FS */
static inline struct proc_dir_entry *proc_net_mkdir(
struct net *net, const char *name, struct proc_dir_entry *parent)