95 	cpy = ofdt->max_fds * sizeof(struct file *);  in copy_fdtable()
96 	set = (nfdt->max_fds - ofdt->max_fds) * sizeof(struct file *);  in copy_fdtable()
115 	nr /= (1024 / sizeof(struct file *));  in alloc_fdtable()
117 	nr *= (1024 / sizeof(struct file *));  in alloc_fdtable()
133 	data = alloc_fdmem(nr * sizeof(struct file *));  in alloc_fdtable()
292 	struct file **old_fds, **new_fds;  in dup_fd()
356 		struct file *f = *old_fds++;  in dup_fd()
373 	memset(new_fds, 0, (new_fdt->max_fds - open_files) * sizeof(struct file *));  in dup_fd()
403 				struct file * file = xchg(&fdt->fd[i], NULL);  in close_files()  local
404 				if (file) {  in close_files()
405 					filp_close(file, files);  in close_files()
604 		struct file *file)  in __fd_install()  argument
620 	rcu_assign_pointer(fdt->fd[fd], file);  in __fd_install()
624 void fd_install(unsigned int fd, struct file *file)  in fd_install()  argument
626 	__fd_install(current->files, fd, file);  in fd_install()
636 	struct file *file;  in __close_fd()  local
643 	file = fdt->fd[fd];  in __close_fd()
644 	if (!file)  in __close_fd()
650 	return filp_close(file, files);  in __close_fd()
675 			struct file *file;  in do_close_on_exec()  local
678 			file = fdt->fd[fd];  in do_close_on_exec()
679 			if (!file)  in do_close_on_exec()
684 			filp_close(file, files);  in do_close_on_exec()
693 static struct file *__fget(unsigned int fd, fmode_t mask)  in __fget()
696 	struct file *file;  in __fget()  local
700 	file = fcheck_files(files, fd);  in __fget()
701 	if (file) {  in __fget()
706 		if (file->f_mode & mask)  in __fget()
707 			file = NULL;  in __fget()
708 		else if (!get_file_rcu(file))  in __fget()
713 	return file;  in __fget()
716 struct file *fget(unsigned int fd)  in fget()
722 struct file *fget_raw(unsigned int fd)  in fget_raw()
747 	struct file *file;  in __fget_light()  local
750 		file = __fcheck_files(files, fd);  in __fget_light()
751 		if (!file || unlikely(file->f_mode & mask))  in __fget_light()
753 		return (unsigned long)file;  in __fget_light()
755 		file = __fget(fd, mask);  in __fget_light()
756 		if (!file)  in __fget_light()
758 		return FDPUT_FPUT | (unsigned long)file;  in __fget_light()
775 	struct file *file = (struct file *)(v & ~3);  in __fdget_pos()  local
777 	if (file && (file->f_mode & FMODE_ATOMIC_POS)) {  in __fdget_pos()
778 		if (file_count(file) > 1) {  in __fdget_pos()
780 			mutex_lock(&file->f_pos_lock);  in __fdget_pos()
818 	struct file *file, unsigned fd, unsigned flags)  in do_dup2()  argument
821 	struct file *tofree;  in do_dup2()
842 	get_file(file);  in do_dup2()
843 	rcu_assign_pointer(fdt->fd[fd], file);  in do_dup2()
861 int replace_fd(unsigned fd, struct file *file, unsigned flags)  in replace_fd()  argument
866 	if (!file)  in replace_fd()
876 	return do_dup2(files, file, fd, flags);  in replace_fd()
886 	struct file *file;  in SYSCALL_DEFINE3()  local
900 	file = fcheck(oldfd);  in SYSCALL_DEFINE3()
901 	if (unlikely(!file))  in SYSCALL_DEFINE3()
908 	return do_dup2(files, file, newfd, flags);  in SYSCALL_DEFINE3()
935 	struct file *file = fget_raw(fildes);  in SYSCALL_DEFINE1()  local
937 	if (file) {  in SYSCALL_DEFINE1()
940 			fd_install(ret, file);  in SYSCALL_DEFINE1()
942 			fput(file);  in SYSCALL_DEFINE1()
947 int f_dupfd(unsigned int from, struct file *file, unsigned flags)  in f_dupfd()  argument
954 		get_file(file);  in f_dupfd()
955 		fd_install(err, file);  in f_dupfd()
961 		int (*f)(const void *, struct file *, unsigned),  in iterate_fd()  argument
970 		struct file *file;  in iterate_fd()  local
971 		file = rcu_dereference_check_fdtable(files, fdt->fd[n]);  in iterate_fd()
972 		if (!file)  in iterate_fd()
974 		res = f(p, file, n);  in iterate_fd()