652 	int		dfd;  member
661 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name)  in __set_nameidata()  argument
666 	p->dfd = dfd;  in __set_nameidata()
676 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name,  in set_nameidata()  argument
679 	__set_nameidata(p, dfd, name);  in set_nameidata()
2581 	/* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */  in path_init()
2590 	if (nd->dfd == AT_FDCWD) {  in path_init()
2607 		CLASS(fd_raw, f)(nd->dfd);  in path_init()
2697 int filename_lookup(int dfd, struct filename *name, unsigned flags,  in filename_lookup()  argument
2704 	set_nameidata(&nd, dfd, name, root);  in filename_lookup()
2736 static int __filename_parentat(int dfd, struct filename *name,  in __filename_parentat()  argument
2746 	set_nameidata(&nd, dfd, name, root);  in __filename_parentat()
2761 static int filename_parentat(int dfd, struct filename *name,  in filename_parentat()  argument
2765 	return __filename_parentat(dfd, name, flags, parent, last, type, NULL);  in filename_parentat()
2769 static struct dentry *__start_removing_path(int dfd, struct filename *name,  in __start_removing_path()  argument
2777 	error = filename_parentat(dfd, name, 0, &parent_path, &last, &type);  in __start_removing_path()
2848 struct dentry *start_removing_user_path_at(int dfd,  in start_removing_user_path_at()  argument
2853 	struct dentry *res = __start_removing_path(dfd, filename, path);  in start_removing_user_path_at()
3211 int user_path_at(int dfd, const char __user *name, unsigned flags,  in user_path_at()  argument
3215 	int ret = filename_lookup(dfd, filename, flags, path, NULL);  in user_path_at()
4153 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()  argument
4160 	set_nameidata(&nd, dfd, pathname, NULL);  in do_filp_open()
4196 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()  argument
4207 	error = filename_parentat(dfd, name, reval_flag, path, &last, &type);  in filename_create()
4248 struct dentry *start_creating_path(int dfd, const char *pathname,  in start_creating_path()  argument
4252 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in start_creating_path()
4270 	int dfd, const char __user *pathname,  in start_creating_user_path()  argument
4274 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in start_creating_user_path()
4346 static int do_mknodat(int dfd, struct filename *name, umode_t mode,  in do_mknodat()  argument
4359 	dentry = filename_create(dfd, name, &path, lookup_flags);  in do_mknodat()
4397 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
4400 	return do_mknodat(dfd, getname(filename), mode, dev);  in SYSCALL_DEFINE4()
4470 int do_mkdirat(int dfd, struct filename *name, umode_t mode)  in do_mkdirat()  argument
4478 	dentry = filename_create(dfd, name, &path, lookup_flags);  in do_mkdirat()
4501 SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)  in SYSCALL_DEFINE3()  argument
4503 	return do_mkdirat(dfd, getname(pathname), mode);  in SYSCALL_DEFINE3()
4566 int do_rmdir(int dfd, struct filename *name)  in do_rmdir()  argument
4575 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_rmdir()
4701 int do_unlinkat(int dfd, struct filename *name)  in do_unlinkat()  argument
4712 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_unlinkat()
4771 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
4777 		return do_rmdir(dfd, getname(pathname));  in SYSCALL_DEFINE3()
4778 	return do_unlinkat(dfd, getname(pathname));  in SYSCALL_DEFINE3()
4981 	 * that the open-time creds of the dfd matches current.  in do_linkat()