69 	cpy = ofdt->max_fds * sizeof(struct file *);  in copy_fdtable()
70 	set = (nfdt->max_fds - ofdt->max_fds) * sizeof(struct file *);  in copy_fdtable()
94 	nr /= (1024 / sizeof(struct file *));  in alloc_fdtable()
96 	nr *= (1024 / sizeof(struct file *));  in alloc_fdtable()
112 	data = alloc_fdmem(nr * sizeof(struct file *));  in alloc_fdtable()
247 	struct file **old_fds, **new_fds;  in dup_fd()
309 		struct file *f = *old_fds++;  in dup_fd()
326 	size = (new_fdt->max_fds - open_files) * sizeof(struct file *);  in dup_fd()
367 				struct file * file = xchg(&fdt->fd[i], NULL);  in close_files()  local
368 				if (file) {  in close_files()
369 					filp_close(file, files);  in close_files()
553 		struct file *file)  in __fd_install()  argument
559 	rcu_assign_pointer(fdt->fd[fd], file);  in __fd_install()
563 void fd_install(unsigned int fd, struct file *file)  in fd_install()  argument
565 	__fd_install(current->files, fd, file);  in fd_install()
575 	struct file *file;  in __close_fd()  local
582 	file = fdt->fd[fd];  in __close_fd()
583 	if (!file)  in __close_fd()
589 	return filp_close(file, files);  in __close_fd()
614 			struct file *file;  in do_close_on_exec()  local
617 			file = fdt->fd[fd];  in do_close_on_exec()
618 			if (!file)  in do_close_on_exec()
623 			filp_close(file, files);  in do_close_on_exec()
632 static struct file *__fget(unsigned int fd, fmode_t mask)  in __fget()
635 	struct file *file;  in __fget()  local
638 	file = fcheck_files(files, fd);  in __fget()
639 	if (file) {  in __fget()
641 		if ((file->f_mode & mask) || !get_file_rcu(file))  in __fget()
642 			file = NULL;  in __fget()
646 	return file;  in __fget()
649 struct file *fget(unsigned int fd)  in fget()
655 struct file *fget_raw(unsigned int fd)  in fget_raw()
680 	struct file *file;  in __fget_light()  local
683 		file = __fcheck_files(files, fd);  in __fget_light()
684 		if (!file || unlikely(file->f_mode & mask))  in __fget_light()
686 		return (unsigned long)file;  in __fget_light()
688 		file = __fget(fd, mask);  in __fget_light()
689 		if (!file)  in __fget_light()
691 		return FDPUT_FPUT | (unsigned long)file;  in __fget_light()
708 	struct file *file = (struct file *)(v & ~3);  in __fdget_pos()  local
710 	if (file && (file->f_mode & FMODE_ATOMIC_POS)) {  in __fdget_pos()
711 		if (file_count(file) > 1) {  in __fdget_pos()
713 			mutex_lock(&file->f_pos_lock);  in __fdget_pos()
751 	struct file *file, unsigned fd, unsigned flags)  in do_dup2()  argument
754 	struct file *tofree;  in do_dup2()
775 	get_file(file);  in do_dup2()
776 	rcu_assign_pointer(fdt->fd[fd], file);  in do_dup2()
794 int replace_fd(unsigned fd, struct file *file, unsigned flags)  in replace_fd()  argument
799 	if (!file)  in replace_fd()
809 	return do_dup2(files, file, fd, flags);  in replace_fd()
819 	struct file *file;  in SYSCALL_DEFINE3()  local
833 	file = fcheck(oldfd);  in SYSCALL_DEFINE3()
834 	if (unlikely(!file))  in SYSCALL_DEFINE3()
841 	return do_dup2(files, file, newfd, flags);  in SYSCALL_DEFINE3()
868 	struct file *file = fget_raw(fildes);  in SYSCALL_DEFINE1()  local
870 	if (file) {  in SYSCALL_DEFINE1()
873 			fd_install(ret, file);  in SYSCALL_DEFINE1()
875 			fput(file);  in SYSCALL_DEFINE1()
880 int f_dupfd(unsigned int from, struct file *file, unsigned flags)  in f_dupfd()  argument
887 		get_file(file);  in f_dupfd()
888 		fd_install(err, file);  in f_dupfd()
894 		int (*f)(const void *, struct file *, unsigned),  in iterate_fd()  argument
903 		struct file *file;  in iterate_fd()  local
904 		file = rcu_dereference_check_fdtable(files, fdt->fd[n]);  in iterate_fd()
905 		if (!file)  in iterate_fd()
907 		res = f(p, file, n);  in iterate_fd()