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Merge up to 2.6.26
Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd.

/*
 * Wrapper functions for accessing the file_struct fd array.
 */

#ifndef __LINUX_FILE_H
#define __LINUX_FILE_H

#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/posix_types.h>

struct file;

extern void __fput(struct file *);
extern void fput(struct file *);
extern void drop_file_write_access(struct file *file);

struct file_operations;
struct vfsmount;
struct dentry;
extern int init_file(struct file *, struct vfsmount *mnt,
		struct dentry *dentry, mode_t mode,
		const struct file_operations *fop);
extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
		mode_t mode, const struct file_operations *fop);

static inline void fput_light(struct file *file, int fput_needed)
{
	if (unlikely(fput_needed))
		fput(file);
}

extern struct file *fget(unsigned int fd);
extern struct file *fget_light(unsigned int fd, int *fput_needed);
extern void set_close_on_exec(unsigned int fd, int flag);
extern void put_filp(struct file *);
extern int get_unused_fd(void);
extern int get_unused_fd_flags(int flags);
extern void put_unused_fd(unsigned int fd);

extern void fd_install(unsigned int fd, struct file *file);

#endif /* __LINUX_FILE_H */