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: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
Al Viro
parent
c30480b92c
commit
59d8053f1e
3 changed files with 233 additions and 221 deletions
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@ -1,4 +1,4 @@
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/* internal.h: internal procfs definitions
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/* Internal procfs definitions
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*
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* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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@ -9,81 +9,66 @@
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/sched.h>
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#include <linux/proc_fs.h>
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#include <linux/proc_ns.h>
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#include <linux/spinlock.h>
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#include <linux/atomic.h>
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#include <linux/binfmts.h>
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struct ctl_table_header;
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struct mempolicy;
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extern struct proc_dir_entry proc_root;
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extern void proc_self_init(void);
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#ifdef CONFIG_PROC_SYSCTL
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extern int proc_sys_init(void);
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extern void sysctl_head_put(struct ctl_table_header *head);
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#else
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static inline void proc_sys_init(void) { }
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static inline void sysctl_head_put(struct ctl_table_header *head) { }
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#endif
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#ifdef CONFIG_NET
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extern int proc_net_init(void);
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#else
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static inline int proc_net_init(void) { return 0; }
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#endif
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struct ctl_table_header;
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struct mempolicy;
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struct vmalloc_info {
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unsigned long used;
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unsigned long largest_chunk;
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/*
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* This is not completely implemented yet. The idea is to
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* create an in-memory tree (like the actual /proc filesystem
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* tree) of these proc_dir_entries, so that we can dynamically
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* add new files to /proc.
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*
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* The "next" pointer creates a linked list of one /proc directory,
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* while parent/subdir create the directory structure (every
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* /proc file has a parent, but "subdir" is NULL for all
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* non-directory entries).
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*/
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struct proc_dir_entry {
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unsigned int low_ino;
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umode_t mode;
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nlink_t nlink;
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kuid_t uid;
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kgid_t gid;
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loff_t size;
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const struct inode_operations *proc_iops;
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const struct file_operations *proc_fops;
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struct proc_dir_entry *next, *parent, *subdir;
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void *data;
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atomic_t count; /* use count */
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atomic_t in_use; /* number of callers into module in progress; */
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/* negative -> it's going away RSN */
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struct completion *pde_unload_completion;
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struct list_head pde_openers; /* who did ->open, but not ->release */
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spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
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u8 namelen;
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char name[];
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};
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#ifdef CONFIG_MMU
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#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
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extern void get_vmalloc_info(struct vmalloc_info *vmi);
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#else
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union proc_op {
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int (*proc_get_link)(struct dentry *, struct path *);
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int (*proc_read)(struct task_struct *task, char *page);
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int (*proc_show)(struct seq_file *m,
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struct pid_namespace *ns, struct pid *pid,
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struct task_struct *task);
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};
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#define VMALLOC_TOTAL 0UL
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#define get_vmalloc_info(vmi) \
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do { \
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(vmi)->used = 0; \
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(vmi)->largest_chunk = 0; \
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} while(0)
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#endif
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extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *task);
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extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *task);
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extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *task);
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extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
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struct pid *pid, struct task_struct *task);
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extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
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extern const struct file_operations proc_tid_children_operations;
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extern const struct file_operations proc_pid_maps_operations;
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extern const struct file_operations proc_tid_maps_operations;
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extern const struct file_operations proc_pid_numa_maps_operations;
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extern const struct file_operations proc_tid_numa_maps_operations;
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extern const struct file_operations proc_pid_smaps_operations;
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extern const struct file_operations proc_tid_smaps_operations;
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extern const struct file_operations proc_clear_refs_operations;
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extern const struct file_operations proc_pagemap_operations;
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extern const struct file_operations proc_net_operations;
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extern const struct inode_operations proc_net_inode_operations;
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extern const struct inode_operations proc_pid_link_inode_operations;
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struct proc_maps_private {
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struct proc_inode {
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struct pid *pid;
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struct task_struct *task;
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#ifdef CONFIG_MMU
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struct vm_area_struct *tail_vma;
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#endif
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#ifdef CONFIG_NUMA
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struct mempolicy *task_mempolicy;
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#endif
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int fd;
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union proc_op op;
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struct proc_dir_entry *pde;
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struct ctl_table_header *sysctl;
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struct ctl_table *sysctl_entry;
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struct proc_ns ns;
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struct inode vfs_inode;
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};
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void proc_init_inodecache(void);
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/*
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* General functions
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*/
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@ -149,16 +134,68 @@ out:
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return ~0U;
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}
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/*
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* Offset of the first process in the /proc root directory..
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*/
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#define FIRST_PROCESS_ENTRY 256
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/* Worst case buffer size needed for holding an integer. */
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#define PROC_NUMBUF 13
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/*
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* array.c
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*/
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extern const struct file_operations proc_tid_children_operations;
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extern int proc_tid_stat(struct seq_file *, struct pid_namespace *,
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struct pid *, struct task_struct *);
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extern int proc_tgid_stat(struct seq_file *, struct pid_namespace *,
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struct pid *, struct task_struct *);
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extern int proc_pid_status(struct seq_file *, struct pid_namespace *,
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struct pid *, struct task_struct *);
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extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
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struct pid *, struct task_struct *);
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/*
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* base.c
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*/
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extern const struct dentry_operations pid_dentry_operations;
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extern int pid_getattr(struct vfsmount *, struct dentry *, struct kstat *);
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extern int proc_setattr(struct dentry *, struct iattr *);
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extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struct *);
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extern int pid_revalidate(struct dentry *, unsigned int);
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extern int pid_delete_dentry(const struct dentry *);
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extern int proc_pid_readdir(struct file *, void *, filldir_t);
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extern struct dentry *proc_pid_lookup(struct inode *, struct dentry *, unsigned int);
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extern loff_t mem_lseek(struct file *, loff_t, int);
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struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *ino,
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struct dentry *dentry);
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int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent,
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filldir_t filldir);
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/* Lookups */
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typedef struct dentry *instantiate_t(struct inode *, struct dentry *,
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struct task_struct *, const void *);
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extern int proc_fill_cache(struct file *, void *, filldir_t, const char *, int,
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instantiate_t, struct task_struct *, const void *);
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/*
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* generic.c
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*/
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extern spinlock_t proc_subdir_lock;
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extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int);
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extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *,
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struct dentry *);
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extern int proc_readdir(struct file *, void *, filldir_t);
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extern int proc_readdir_de(struct proc_dir_entry *, struct file *, void *, filldir_t);
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static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde)
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{
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atomic_inc(&pde->count);
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return pde;
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}
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extern void pde_put(struct proc_dir_entry *);
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/*
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* inode.c
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*/
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struct pde_opener {
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struct file *file;
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struct list_head lh;
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@ -166,63 +203,74 @@ struct pde_opener {
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struct completion *c;
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};
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void proc_entry_rundown(struct proc_dir_entry *);
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extern const struct inode_operations proc_pid_link_inode_operations;
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extern spinlock_t proc_subdir_lock;
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struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsigned int);
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int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
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unsigned long task_vsize(struct mm_struct *);
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unsigned long task_statm(struct mm_struct *,
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unsigned long *, unsigned long *, unsigned long *, unsigned long *);
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void task_mem(struct seq_file *, struct mm_struct *);
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static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde)
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{
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atomic_inc(&pde->count);
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return pde;
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}
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void pde_put(struct proc_dir_entry *pde);
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int proc_fill_super(struct super_block *);
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struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *);
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int proc_remount(struct super_block *sb, int *flags, char *data);
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extern void proc_init_inodecache(void);
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extern struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *);
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extern int proc_fill_super(struct super_block *);
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extern void proc_entry_rundown(struct proc_dir_entry *);
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/*
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* These are generic /proc routines that use the internal
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* "struct proc_dir_entry" tree to traverse the filesystem.
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*
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* The /proc root directory has extended versions to take care
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* of the /proc/<pid> subdirectories.
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* mmu.c
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*/
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int proc_readdir(struct file *, void *, filldir_t);
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struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int);
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struct vmalloc_info {
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unsigned long used;
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unsigned long largest_chunk;
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};
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#ifdef CONFIG_MMU
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#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
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extern void get_vmalloc_info(struct vmalloc_info *);
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/* Lookups */
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typedef struct dentry *instantiate_t(struct inode *, struct dentry *,
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struct task_struct *, const void *);
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int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
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const char *name, int len,
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instantiate_t instantiate, struct task_struct *task, const void *ptr);
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int pid_revalidate(struct dentry *dentry, unsigned int flags);
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struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *task);
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extern const struct dentry_operations pid_dentry_operations;
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int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat);
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int proc_setattr(struct dentry *dentry, struct iattr *attr);
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extern const struct inode_operations proc_ns_dir_inode_operations;
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extern const struct file_operations proc_ns_dir_operations;
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extern int proc_setup_self(struct super_block *);
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#else
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#define VMALLOC_TOTAL 0UL
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static inline void get_vmalloc_info(struct vmalloc_info *vmi)
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{
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vmi->used = 0;
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vmi->largest_chunk = 0;
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}
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#endif
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/*
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* proc_devtree.c
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*/
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#ifdef CONFIG_PROC_DEVICETREE
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extern void proc_device_tree_init(void);
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#endif /* CONFIG_PROC_DEVICETREE */
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#endif
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/*
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* proc_namespaces.c
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*/
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extern const struct inode_operations proc_ns_dir_inode_operations;
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extern const struct file_operations proc_ns_dir_operations;
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/*
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* proc_net.c
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*/
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extern const struct file_operations proc_net_operations;
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extern const struct inode_operations proc_net_inode_operations;
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#ifdef CONFIG_NET
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extern int proc_net_init(void);
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#else
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static inline int proc_net_init(void) { return 0; }
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#endif
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/*
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* proc_self.c
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*/
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extern int proc_setup_self(struct super_block *);
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/*
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* proc_sysctl.c
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*/
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#ifdef CONFIG_PROC_SYSCTL
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extern int proc_sys_init(void);
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extern void sysctl_head_put(struct ctl_table_header *);
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#else
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static inline void proc_sys_init(void) { }
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static inline void sysctl_head_put(struct ctl_table_header *head) { }
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#endif
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/*
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* proc_tty.c
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@ -232,3 +280,40 @@ extern void proc_tty_init(void);
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#else
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static inline void proc_tty_init(void) {}
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#endif
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/*
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* root.c
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*/
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extern struct proc_dir_entry proc_root;
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extern void proc_self_init(void);
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extern int proc_remount(struct super_block *, int *, char *);
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/*
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* task_[no]mmu.c
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*/
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struct proc_maps_private {
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struct pid *pid;
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struct task_struct *task;
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#ifdef CONFIG_MMU
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struct vm_area_struct *tail_vma;
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#endif
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#ifdef CONFIG_NUMA
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struct mempolicy *task_mempolicy;
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#endif
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};
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extern const struct file_operations proc_pid_maps_operations;
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extern const struct file_operations proc_tid_maps_operations;
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extern const struct file_operations proc_pid_numa_maps_operations;
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extern const struct file_operations proc_tid_numa_maps_operations;
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extern const struct file_operations proc_pid_smaps_operations;
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extern const struct file_operations proc_tid_smaps_operations;
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extern const struct file_operations proc_clear_refs_operations;
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extern const struct file_operations proc_pagemap_operations;
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extern unsigned long task_vsize(struct mm_struct *);
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extern unsigned long task_statm(struct mm_struct *,
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unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void task_mem(struct seq_file *, struct mm_struct *);
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#include <linux/ioport.h>
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#include <linux/memory.h>
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#include <asm/sections.h>
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#include "internal.h"
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#define CORE_STR "CORE"
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@ -1,149 +1,75 @@
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#ifndef _LINUX_PROC_FS_H
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#define _LINUX_PROC_FS_H
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#include <linux/slab.h>
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#include <linux/fs.h>
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#include <linux/spinlock.h>
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#include <linux/magic.h>
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#include <linux/atomic.h>
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#include <linux/proc_ns.h>
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struct net;
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struct completion;
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struct mm_struct;
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/*
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* The proc filesystem constants/structures
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*/
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#ifndef _LINUX_PROC_FS_H
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#define _LINUX_PROC_FS_H
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/*
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* Offset of the first process in the /proc root directory..
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*/
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#define FIRST_PROCESS_ENTRY 256
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#include <linux/types.h>
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#include <linux/fs.h>
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/* Worst case buffer size needed for holding an integer. */
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#define PROC_NUMBUF 13
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/*
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* This is not completely implemented yet. The idea is to
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* create an in-memory tree (like the actual /proc filesystem
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* tree) of these proc_dir_entries, so that we can dynamically
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* add new files to /proc.
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*
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* The "next" pointer creates a linked list of one /proc directory,
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* while parent/subdir create the directory structure (every
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* /proc file has a parent, but "subdir" is NULL for all
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* non-directory entries).
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*/
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struct proc_dir_entry {
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unsigned int low_ino;
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umode_t mode;
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nlink_t nlink;
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kuid_t uid;
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kgid_t gid;
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loff_t size;
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const struct inode_operations *proc_iops;
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const struct file_operations *proc_fops;
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struct proc_dir_entry *next, *parent, *subdir;
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void *data;
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atomic_t count; /* use count */
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atomic_t in_use; /* number of callers into module in progress; */
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/* negative -> it's going away RSN */
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struct completion *pde_unload_completion;
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struct list_head pde_openers; /* who did ->open, but not ->release */
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spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
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u8 namelen;
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char name[];
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};
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struct proc_dir_entry;
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#ifdef CONFIG_PROC_FS
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extern void proc_root_init(void);
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void proc_flush_task(struct task_struct *task);
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struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
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struct proc_dir_entry *parent,
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const struct file_operations *proc_fops,
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void *data);
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extern void proc_remove(struct proc_dir_entry *);
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extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
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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);
|
||||
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)
|
||||
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; }
|
||||
|
||||
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 */
|
||||
|
||||
|
||||
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;
|
||||
|
||||
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(
|
||||
struct net *net, const char *name, struct proc_dir_entry *parent)
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue