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
631 	file = fdt->fd[fd];  in __close_fd()
632 	if (!file)  in __close_fd()
637 	return filp_close(file, files);  in __close_fd()
663 			struct file *file;  in do_close_on_exec()  local
666 			file = fdt->fd[fd];  in do_close_on_exec()
667 			if (!file)  in do_close_on_exec()
672 			filp_close(file, files);  in do_close_on_exec()
681 static inline struct file *__fget_files_rcu(struct files_struct *files,  in __fget_files_rcu()
685 		struct file *file;  in __fget_files_rcu()  local
687 		struct file __rcu **fdentry;  in __fget_files_rcu()
693 		file = rcu_dereference_raw(*fdentry);  in __fget_files_rcu()
694 		if (unlikely(!file))  in __fget_files_rcu()
697 		if (unlikely(file->f_mode & mask))  in __fget_files_rcu()
711 		if (unlikely(!get_file_rcu_many(file, refs)))  in __fget_files_rcu()
723 		    unlikely(rcu_dereference_raw(*fdentry) != file)) {  in __fget_files_rcu()
724 			fput_many(file, refs);  in __fget_files_rcu()
732 		return file;  in __fget_files_rcu()
737 static struct file *__fget(unsigned int fd, fmode_t mask, unsigned int refs)  in __fget()
740 	struct file *file;  in __fget()  local
743 	file = __fget_files_rcu(files, fd, mask, refs);  in __fget()
746 	return file;  in __fget()
749 struct file *fget_many(unsigned int fd, unsigned int refs)  in fget_many()
754 struct file *fget(unsigned int fd)  in fget()
760 struct file *fget_raw(unsigned int fd)  in fget_raw()
785 	struct file *file;  in __fget_light()  local
788 		file = __fcheck_files(files, fd);  in __fget_light()
789 		if (!file || unlikely(file->f_mode & mask))  in __fget_light()
791 		return (unsigned long)file;  in __fget_light()
793 		file = __fget(fd, mask, 1);  in __fget_light()
794 		if (!file)  in __fget_light()
796 		return FDPUT_FPUT | (unsigned long)file;  in __fget_light()
813 	struct file *file = (struct file *)(v & ~3);  in __fdget_pos()  local
815 	if (file && (file->f_mode & FMODE_ATOMIC_POS)) {  in __fdget_pos()
816 		if (file_count(file) > 1) {  in __fdget_pos()
818 			mutex_lock(&file->f_pos_lock);  in __fdget_pos()
824 void __f_unlock_pos(struct file *f)  in __f_unlock_pos()
861 	struct file *file, unsigned fd, unsigned flags)  in do_dup2()  argument
864 	struct file *tofree;  in do_dup2()
885 	get_file(file);  in do_dup2()
886 	rcu_assign_pointer(fdt->fd[fd], file);  in do_dup2()
904 int replace_fd(unsigned fd, struct file *file, unsigned flags)  in replace_fd()  argument
909 	if (!file)  in replace_fd()
919 	return do_dup2(files, file, fd, flags);  in replace_fd()
929 	struct file *file;  in ksys_dup3()  local
943 	file = fcheck(oldfd);  in ksys_dup3()
944 	if (unlikely(!file))  in ksys_dup3()
951 	return do_dup2(files, file, newfd, flags);  in ksys_dup3()
983 	struct file *file = fget_raw(fildes);  in ksys_dup()  local
985 	if (file) {  in ksys_dup()
988 			fd_install(ret, file);  in ksys_dup()
990 			fput(file);  in ksys_dup()
1000 int f_dupfd(unsigned int from, struct file *file, unsigned flags)  in f_dupfd()  argument
1007 		get_file(file);  in f_dupfd()
1008 		fd_install(err, file);  in f_dupfd()
1014 		int (*f)(const void *, struct file *, unsigned),  in iterate_fd()  argument
1023 		struct file *file;  in iterate_fd()  local
1024 		file = rcu_dereference_check_fdtable(files, fdt->fd[n]);  in iterate_fd()
1025 		if (!file)  in iterate_fd()
1027 		res = f(p, file, n);  in iterate_fd()