mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-06 02:24:14 +08:00
5e6d12b2c8
- forward declare struct superblock - use inlines, not macros Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/* fs/ internal definitions
|
|
*
|
|
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/ioctl32.h>
|
|
|
|
struct super_block;
|
|
|
|
/*
|
|
* block_dev.c
|
|
*/
|
|
#ifdef CONFIG_BLOCK
|
|
extern struct super_block *blockdev_superblock;
|
|
extern void __init bdev_cache_init(void);
|
|
|
|
static inline int sb_is_blkdev_sb(struct super_block *sb)
|
|
{
|
|
return sb == blockdev_superblock;
|
|
}
|
|
|
|
#else
|
|
static inline void bdev_cache_init(void)
|
|
{
|
|
}
|
|
|
|
static inline int sb_is_blkdev_sb(struct super_block *sb)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* char_dev.c
|
|
*/
|
|
extern void __init chrdev_init(void);
|
|
|
|
/*
|
|
* compat_ioctl.c
|
|
*/
|
|
#ifdef CONFIG_COMPAT
|
|
extern struct ioctl_trans ioctl_start[];
|
|
extern int ioctl_table_size;
|
|
#endif
|
|
|
|
/*
|
|
* namespace.c
|
|
*/
|
|
extern int copy_mount_options(const void __user *, unsigned long *);
|