libata: improve post-reset device ready test
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / proc / internal.h
blob28cbca8059057e5f1b7729b69743aea11cecc27c
1 /* internal.h: internal procfs definitions
3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/proc_fs.h>
14 extern struct proc_dir_entry proc_root;
15 #ifdef CONFIG_PROC_SYSCTL
16 extern int proc_sys_init(void);
17 #else
18 static inline void proc_sys_init(void) { }
19 #endif
20 #ifdef CONFIG_NET
21 extern int proc_net_init(void);
22 #else
23 static inline int proc_net_init(void) { return 0; }
24 #endif
26 struct vmalloc_info {
27 unsigned long used;
28 unsigned long largest_chunk;
31 extern struct mm_struct *mm_for_maps(struct task_struct *);
33 #ifdef CONFIG_MMU
34 #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
35 extern void get_vmalloc_info(struct vmalloc_info *vmi);
36 #else
38 #define VMALLOC_TOTAL 0UL
39 #define get_vmalloc_info(vmi) \
40 do { \
41 (vmi)->used = 0; \
42 (vmi)->largest_chunk = 0; \
43 } while(0)
45 extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
46 #endif
48 extern int maps_protect;
50 extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns,
51 struct pid *pid, struct task_struct *task);
52 extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
53 struct pid *pid, struct task_struct *task);
54 extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
55 struct pid *pid, struct task_struct *task);
56 extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
57 struct pid *pid, struct task_struct *task);
58 extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
60 extern const struct file_operations proc_maps_operations;
61 extern const struct file_operations proc_numa_maps_operations;
62 extern const struct file_operations proc_smaps_operations;
63 extern const struct file_operations proc_clear_refs_operations;
64 extern const struct file_operations proc_pagemap_operations;
65 extern const struct file_operations proc_net_operations;
66 extern const struct inode_operations proc_net_inode_operations;
68 void free_proc_entry(struct proc_dir_entry *de);
70 int proc_init_inodecache(void);
72 static inline struct pid *proc_pid(struct inode *inode)
74 return PROC_I(inode)->pid;
77 static inline struct task_struct *get_proc_task(struct inode *inode)
79 return get_pid_task(proc_pid(inode), PIDTYPE_PID);
82 static inline int proc_fd(struct inode *inode)
84 return PROC_I(inode)->fd;
87 struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *ino,
88 struct dentry *dentry);
89 int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent,
90 filldir_t filldir);