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 14 struct super_block; 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 #else 29 static inline void bdev_cache_init(void) 30 { 31 } 32 33 static inline int sb_is_blkdev_sb(struct super_block *sb) 34 { 35 return 0; 36 } 37 #endif 38 39 /* 40 * char_dev.c 41 */ 42 extern void __init chrdev_init(void); 43 44 /* 45 * compat_ioctl.c 46 */ 47 #ifdef CONFIG_COMPAT 48 extern struct ioctl_trans ioctl_start[]; 49 extern int ioctl_table_size; 50 #endif 51 52 /* 53 * namespace.c 54 */ 55 extern int copy_mount_options(const void __user *, unsigned long *); 56