[deliverable/linux.git] / fs / internal.h

/* 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 *);
Commit	Line	Data
	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 );