Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* fs/ internal definitions
2 *
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
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.
10 */
11
12#include <linux/lglock.h>
13
14struct super_block;
15struct linux_binprm;
16struct path;
17
18/*
19 * block_dev.c
20 */
21#ifdef CONFIG_BLOCK
22extern struct super_block *blockdev_superblock;
23extern void __init bdev_cache_init(void);
24
25static inline int sb_is_blkdev_sb(struct super_block *sb)
26{
27 return sb == blockdev_superblock;
28}
29
30extern int __sync_blockdev(struct block_device *bdev, int wait);
31
32#else
33static inline void bdev_cache_init(void)
34{
35}
36
37static inline int sb_is_blkdev_sb(struct super_block *sb)
38{
39 return 0;
40}
41
42static inline int __sync_blockdev(struct block_device *bdev, int wait)
43{
44 return 0;
45}
46#endif
47
48/*
49 * char_dev.c
50 */
51extern void __init chrdev_init(void);
52
53/*
54 * exec.c
55 */
56extern int check_unsafe_exec(struct linux_binprm *);
57
58/*
59 * namespace.c
60 */
61extern int copy_mount_options(const void __user *, unsigned long *);
62extern int copy_mount_string(const void __user *, char **);
63
64extern void free_vfsmnt(struct vfsmount *);
65extern struct vfsmount *alloc_vfsmnt(const char *);
66extern unsigned int mnt_get_count(struct vfsmount *mnt);
67extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
68extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
69 struct vfsmount *);
70extern void release_mounts(struct list_head *);
71extern void umount_tree(struct vfsmount *, int, struct list_head *);
72extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
73extern int finish_automount(struct vfsmount *, struct path *);
74
75extern void mnt_make_longterm(struct vfsmount *);
76extern void mnt_make_shortterm(struct vfsmount *);
77
78extern void __init mnt_init(void);
79
80DECLARE_BRLOCK(vfsmount_lock);
81
82
83/*
84 * fs_struct.c
85 */
86extern void chroot_fs_refs(struct path *, struct path *);
87
88/*
89 * file_table.c
90 */
91extern void file_sb_list_add(struct file *f, struct super_block *sb);
92extern void file_sb_list_del(struct file *f);
93extern void mark_files_ro(struct super_block *);
94extern struct file *get_empty_filp(void);
95
96/*
97 * super.c
98 */
99extern int do_remount_sb(struct super_block *, int, void *, int);
100extern void __put_super(struct super_block *sb);
101extern void put_super(struct super_block *sb);
102
103/*
104 * open.c
105 */
106struct nameidata;
107extern struct file *nameidata_to_filp(struct nameidata *);
108extern void release_open_intent(struct nameidata *);
109
110/*
111 * inode.c
112 */
113extern int get_nr_dirty_inodes(void);
114extern void evict_inodes(struct super_block *);
115extern int invalidate_inodes(struct super_block *);