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-rw-r--r--fs/internal.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/fs/internal.h b/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
12#include <linux/ioctl32.h>
13
14struct super_block;
15
16/*
17 * block_dev.c
18 */
19#ifdef CONFIG_BLOCK
20extern struct super_block *blockdev_superblock;
21extern void __init bdev_cache_init(void);
22
23static inline int sb_is_blkdev_sb(struct super_block *sb)
24{
25 return sb == blockdev_superblock;
26}
27
28#else
29static inline void bdev_cache_init(void)
30{
31}
32
33static inline int sb_is_blkdev_sb(struct super_block *sb)
34{
35 return 0;
36}
37#endif
38
39/*
40 * char_dev.c
41 */
42extern void __init chrdev_init(void);
43
44/*
45 * compat_ioctl.c
46 */
47#ifdef CONFIG_COMPAT
48extern struct ioctl_trans ioctl_start[];
49extern int ioctl_table_size;
50#endif
51
52/*
53 * namespace.c
54 */
55extern int copy_mount_options(const void __user *, unsigned long *);