521 	int		dfd;  member
524 static void set_nameidata(struct nameidata *p, int dfd, struct filename *name)  in set_nameidata()  argument
528 	p->dfd = dfd;  in set_nameidata()
2296 	} else if (nd->dfd == AT_FDCWD) {  in path_init()
2314 		struct fd f = fdget_raw(nd->dfd);  in path_init()
2421 int filename_lookup(int dfd, struct filename *name, unsigned flags,  in filename_lookup()  argument
2432 	set_nameidata(&nd, dfd, name);  in filename_lookup()
2463 static struct filename *filename_parentat(int dfd, struct filename *name,  in filename_parentat()  argument
2472 	set_nameidata(&nd, dfd, name);  in filename_parentat()
2696 int user_path_at_empty(int dfd, const char __user *name, unsigned flags,  in user_path_at_empty()  argument
2699 	return filename_lookup(dfd, getname_flags(name, flags, empty),  in user_path_at_empty()
2800 filename_mountpoint(int dfd, struct filename *name, struct path *path,  in filename_mountpoint()  argument
2807 	set_nameidata(&nd, dfd, name);  in filename_mountpoint()
2835 user_path_mountpoint_at(int dfd, const char __user *name, unsigned int flags,  in user_path_mountpoint_at()  argument
2838 	return filename_mountpoint(dfd, getname(name), path, flags);  in user_path_mountpoint_at()
2842 kern_path_mountpoint(int dfd, const char *name, struct path *path,  in kern_path_mountpoint()  argument
2845 	return filename_mountpoint(dfd, getname_kernel(name), path, flags);  in kern_path_mountpoint()
3668 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()  argument
3675 	set_nameidata(&nd, dfd, pathname);  in do_filp_open()
3714 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()  argument
3730 	name = filename_parentat(dfd, name, lookup_flags, path, &last, &type);  in filename_create()
3785 struct dentry *kern_path_create(int dfd, const char *pathname,  in kern_path_create()  argument
3788 	return filename_create(dfd, getname_kernel(pathname),  in kern_path_create()
3802 inline struct dentry *user_path_create(int dfd, const char __user *pathname,  in user_path_create()  argument
3805 	return filename_create(dfd, getname(pathname), path, lookup_flags);  in user_path_create()
3860 long do_mknodat(int dfd, const char __user *filename, umode_t mode,  in do_mknodat()  argument
3872 	dentry = user_path_create(dfd, filename, &path, lookup_flags);  in do_mknodat()
3904 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
3907 	return do_mknodat(dfd, filename, mode, dev);  in SYSCALL_DEFINE4()
3947 long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)  in do_mkdirat()  argument
3955 	dentry = user_path_create(dfd, pathname, &path, lookup_flags);  in do_mkdirat()
3972 SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)  in SYSCALL_DEFINE3()  argument
3974 	return do_mkdirat(dfd, pathname, mode);  in SYSCALL_DEFINE3()
4028 long do_rmdir(int dfd, const char __user *pathname)  in do_rmdir()  argument
4038 	name = filename_parentat(dfd, getname(pathname), lookup_flags,  in do_rmdir()
4163 long do_unlinkat(int dfd, struct filename *name)  in do_unlinkat()  argument
4174 	name = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_unlinkat()
4234 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
4240 		return do_rmdir(dfd, pathname);  in SYSCALL_DEFINE3()
4242 	return do_unlinkat(dfd, getname(pathname));  in SYSCALL_DEFINE3()