34 struct fd {  struct
41 static inline void fdput(struct fd fd)  in fdput()  argument
43 	if (fd.flags & FDPUT_FPUT)  in fdput()
44 		fput(fd.file);  in fdput()
47 extern struct file *fget(unsigned int fd);
48 extern struct file *fget_many(unsigned int fd, unsigned int refs);
49 extern struct file *fget_raw(unsigned int fd);
50 extern unsigned long __fdget(unsigned int fd);
51 extern unsigned long __fdget_raw(unsigned int fd);
52 extern unsigned long __fdget_pos(unsigned int fd);
55 static inline struct fd __to_fd(unsigned long v)  in __to_fd()
57 	return (struct fd){(struct file *)(v & ~3),v & 3};  in __to_fd()
60 static inline struct fd fdget(unsigned int fd)  in fdget()  argument
62 	return __to_fd(__fdget(fd));  in fdget()
65 static inline struct fd fdget_raw(unsigned int fd)  in fdget_raw()  argument
67 	return __to_fd(__fdget_raw(fd));  in fdget_raw()
70 static inline struct fd fdget_pos(int fd)  in fdget_pos()  argument
72 	return __to_fd(__fdget_pos(fd));  in fdget_pos()
75 static inline void fdput_pos(struct fd f)  in fdput_pos()
83 extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
84 extern void set_close_on_exec(unsigned int fd, int flag);
85 extern bool get_close_on_exec(unsigned int fd);
87 extern void put_unused_fd(unsigned int fd);
89 extern void fd_install(unsigned int fd, struct file *file);