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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 | struct super_block; |
13 | struct linux_binprm; |
14 | struct path; |
15 | |
16 | /* |
17 | * block_dev.c |
18 | */ |
19 | #ifdef CONFIG_BLOCK |
20 | extern struct super_block *blockdev_superblock; |
21 | extern void __init bdev_cache_init(void); |
22 | |
23 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
24 | { |
25 | return sb == blockdev_superblock; |
26 | } |
27 | |
28 | extern int __sync_blockdev(struct block_device *bdev, int wait); |
29 | |
30 | #else |
31 | static inline void bdev_cache_init(void) |
32 | { |
33 | } |
34 | |
35 | static inline int sb_is_blkdev_sb(struct super_block *sb) |
36 | { |
37 | return 0; |
38 | } |
39 | |
40 | static inline int __sync_blockdev(struct block_device *bdev, int wait) |
41 | { |
42 | return 0; |
43 | } |
44 | #endif |
45 | |
46 | /* |
47 | * char_dev.c |
48 | */ |
49 | extern void __init chrdev_init(void); |
50 | |
51 | /* |
52 | * exec.c |
53 | */ |
54 | extern int check_unsafe_exec(struct linux_binprm *); |
55 | |
56 | /* |
57 | * namespace.c |
58 | */ |
59 | extern int copy_mount_options(const void __user *, unsigned long *); |
60 | extern int copy_mount_string(const void __user *, char **); |
61 | |
62 | extern void free_vfsmnt(struct vfsmount *); |
63 | extern struct vfsmount *alloc_vfsmnt(const char *); |
64 | extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); |
65 | extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, |
66 | struct vfsmount *); |
67 | extern void release_mounts(struct list_head *); |
68 | extern void umount_tree(struct vfsmount *, int, struct list_head *); |
69 | extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); |
70 | |
71 | extern void __init mnt_init(void); |
72 | |
73 | extern spinlock_t vfsmount_lock; |
74 | |
75 | /* |
76 | * fs_struct.c |
77 | */ |
78 | extern void chroot_fs_refs(struct path *, struct path *); |
79 | |
80 | /* |
81 | * file_table.c |
82 | */ |
83 | extern void mark_files_ro(struct super_block *); |
84 | extern struct file *get_empty_filp(void); |
85 | |
86 | /* |
87 | * super.c |
88 | */ |
89 | extern int do_remount_sb(struct super_block *, int, void *, int); |
90 | |
91 | /* |
92 | * open.c |
93 | */ |
94 | struct nameidata; |
95 | extern struct file *nameidata_to_filp(struct nameidata *); |
96 | extern void release_open_intent(struct nameidata *); |
97 |
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