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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 | ||
14 | /* | |
15 | * block_dev.c | |
16 | */ | |
17 | #ifdef CONFIG_BLOCK | |
18 | extern struct super_block *blockdev_superblock; | |
19 | extern void __init bdev_cache_init(void); | |
20 | ||
21 | static inline int sb_is_blkdev_sb(struct super_block *sb) | |
22 | { | |
23 | return sb == blockdev_superblock; | |
24 | } | |
25 | ||
26 | #else | |
27 | static inline void bdev_cache_init(void) | |
28 | { | |
29 | } | |
30 | ||
31 | static inline int sb_is_blkdev_sb(struct super_block *sb) | |
32 | { | |
33 | return 0; | |
34 | } | |
35 | #endif | |
36 | ||
37 | /* | |
38 | * char_dev.c | |
39 | */ | |
40 | extern void __init chrdev_init(void); | |
41 | ||
42 | /* | |
43 | * namespace.c | |
44 | */ | |
45 | extern int copy_mount_options(const void __user *, unsigned long *); | |
46 | ||
47 | extern void free_vfsmnt(struct vfsmount *); | |
48 | extern struct vfsmount *alloc_vfsmnt(const char *); | |
49 | extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); | |
50 | extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, | |
51 | struct vfsmount *); | |
52 | extern void release_mounts(struct list_head *); | |
53 | extern void umount_tree(struct vfsmount *, int, struct list_head *); | |
54 | extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); | |
55 | ||
56 | extern void __init mnt_init(void); |