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/lglock.h>

struct super_block;
struct file_system_type;
struct linux_binprm;
struct path;
struct mount;

/*
 * block_dev.c
 */
#ifdef CONFIG_BLOCK
extern void __init bdev_cache_init(void);

extern int __sync_blockdev(struct block_device *bdev, int wait);

#else
static inline void bdev_cache_init(void)
{
}

static inline int __sync_blockdev(struct block_device *bdev, int wait)
{
	return 0;
}
#endif

/*
 * char_dev.c
 */
extern void __init chrdev_init(void);

/*
 * namei.c
 */
extern int __inode_permission(struct inode *, int);

/*
 * namespace.c
 */
extern int copy_mount_options(const void __user *, unsigned long *);
extern int copy_mount_string(const void __user *, char **);

extern struct vfsmount *lookup_mnt(struct path *);
extern int finish_automount(struct vfsmount *, struct path *);

extern int sb_prepare_remount_readonly(struct super_block *);

extern void __init mnt_init(void);

extern struct lglock vfsmount_lock;

extern int __mnt_want_write(struct vfsmount *);
extern int __mnt_want_write_file(struct file *);
extern void __mnt_drop_write(struct vfsmount *);
extern void __mnt_drop_write_file(struct file *);

/*
 * fs_struct.c