at v2.6.21 55 lines 1.1 kB view raw
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 *);