77 	cpy = ofdt->max_fds * sizeof(struct file *);  in copy_fdtable()
78 	set = (nfdt->max_fds - ofdt->max_fds) * sizeof(struct file *);  in copy_fdtable()
97 	nr /= (1024 / sizeof(struct file *));  in alloc_fdtable()
99 	nr *= (1024 / sizeof(struct file *));  in alloc_fdtable()
115 	data = kvmalloc_array(nr, sizeof(struct file *), GFP_KERNEL_ACCOUNT);  in alloc_fdtable()
275 	struct file **old_fds, **new_fds;  in dup_fd()
339 		struct file *f = *old_fds++;  in dup_fd()
356 	memset(new_fds, 0, (new_fdt->max_fds - open_files) * sizeof(struct file *));  in dup_fd()
386 				struct file * file = xchg(&fdt->fd[i], NULL);  in close_files()  local
387 				if (file) {  in close_files()
388 					filp_close(file, files);  in close_files()
588 		struct file *file)  in __fd_install()  argument
599 		rcu_assign_pointer(fdt->fd[fd], file);  in __fd_install()
607 	rcu_assign_pointer(fdt->fd[fd], file);  in __fd_install()
611 void fd_install(unsigned int fd, struct file *file)  in fd_install()  argument
613 	__fd_install(current->files, fd, file);  in fd_install()
623 	struct file *file;  in __close_fd()  local
630 	file = fdt->fd[fd];  in __close_fd()
631 	if (!file)  in __close_fd()
636 	return filp_close(file, files);  in __close_fd()
647 int __close_fd_get_file(unsigned int fd, struct file **res)  in __close_fd_get_file()
650 	struct file *file;  in __close_fd_get_file()  local
657 	file = fdt->fd[fd];  in __close_fd_get_file()
658 	if (!file)  in __close_fd_get_file()
663 	get_file(file);  in __close_fd_get_file()
664 	*res = file;  in __close_fd_get_file()
665 	return filp_close(file, files);  in __close_fd_get_file()
691 			struct file *file;  in do_close_on_exec()  local
694 			file = fdt->fd[fd];  in do_close_on_exec()
695 			if (!file)  in do_close_on_exec()
700 			filp_close(file, files);  in do_close_on_exec()
709 static struct file *__fget(unsigned int fd, fmode_t mask, unsigned int refs)  in __fget()
712 	struct file *file;  in __fget()  local
716 	file = fcheck_files(files, fd);  in __fget()
717 	if (file) {  in __fget()
722 		if (file->f_mode & mask)  in __fget()
723 			file = NULL;  in __fget()
724 		else if (!get_file_rcu_many(file, refs))  in __fget()
729 	return file;  in __fget()
732 struct file *fget_many(unsigned int fd, unsigned int refs)  in fget_many()
737 struct file *fget(unsigned int fd)  in fget()
743 struct file *fget_raw(unsigned int fd)  in fget_raw()
768 	struct file *file;  in __fget_light()  local
771 		file = __fcheck_files(files, fd);  in __fget_light()
772 		if (!file || unlikely(file->f_mode & mask))  in __fget_light()
774 		return (unsigned long)file;  in __fget_light()
776 		file = __fget(fd, mask, 1);  in __fget_light()
777 		if (!file)  in __fget_light()
779 		return FDPUT_FPUT | (unsigned long)file;  in __fget_light()
796 	struct file *file = (struct file *)(v & ~3);  in __fdget_pos()  local
798 	if (file && (file->f_mode & FMODE_ATOMIC_POS)) {  in __fdget_pos()
799 		if (file_count(file) > 1) {  in __fdget_pos()
801 			mutex_lock(&file->f_pos_lock);  in __fdget_pos()
807 void __f_unlock_pos(struct file *f)  in __f_unlock_pos()
844 	struct file *file, unsigned fd, unsigned flags)  in do_dup2()  argument
847 	struct file *tofree;  in do_dup2()
868 	get_file(file);  in do_dup2()
869 	rcu_assign_pointer(fdt->fd[fd], file);  in do_dup2()
887 int replace_fd(unsigned fd, struct file *file, unsigned flags)  in replace_fd()  argument
892 	if (!file)  in replace_fd()
902 	return do_dup2(files, file, fd, flags);  in replace_fd()
912 	struct file *file;  in ksys_dup3()  local
926 	file = fcheck(oldfd);  in ksys_dup3()
927 	if (unlikely(!file))  in ksys_dup3()
934 	return do_dup2(files, file, newfd, flags);  in ksys_dup3()
966 	struct file *file = fget_raw(fildes);  in ksys_dup()  local
968 	if (file) {  in ksys_dup()
971 			fd_install(ret, file);  in ksys_dup()
973 			fput(file);  in ksys_dup()
983 int f_dupfd(unsigned int from, struct file *file, unsigned flags)  in f_dupfd()  argument
990 		get_file(file);  in f_dupfd()
991 		fd_install(err, file);  in f_dupfd()
997 		int (*f)(const void *, struct file *, unsigned),  in iterate_fd()  argument
1006 		struct file *file;  in iterate_fd()  local
1007 		file = rcu_dereference_check_fdtable(files, fdt->fd[n]);  in iterate_fd()
1008 		if (!file)  in iterate_fd()
1010 		res = f(p, file, n);  in iterate_fd()