Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6
[linux-2.6-block.git] / fs / internal.h
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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
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12struct super_block;
13
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14/*
15 * block_dev.c
16 */
9361401e 17#ifdef CONFIG_BLOCK
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18extern struct super_block *blockdev_superblock;
19extern void __init bdev_cache_init(void);
20
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21static inline int sb_is_blkdev_sb(struct super_block *sb)
22{
23 return sb == blockdev_superblock;
24}
25
9361401e 26#else
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27static inline void bdev_cache_init(void)
28{
29}
9361401e 30
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31static inline int sb_is_blkdev_sb(struct super_block *sb)
32{
33 return 0;
34}
9361401e 35#endif
7b0de42d 36
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37/*
38 * char_dev.c
39 */
40extern void __init chrdev_init(void);
41
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42/*
43 * namespace.c
44 */
45extern int copy_mount_options(const void __user *, unsigned long *);
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46
47extern void free_vfsmnt(struct vfsmount *);
48extern struct vfsmount *alloc_vfsmnt(const char *);
49extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
50extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
51 struct vfsmount *);
52extern void release_mounts(struct list_head *);
53extern void umount_tree(struct vfsmount *, int, struct list_head *);
54extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
55
56extern void __init mnt_init(void);