521 	int		dfd;  member
526 static void set_nameidata(struct nameidata *p, int dfd, struct filename *name)  in set_nameidata()  argument
530 	p->dfd = dfd;  in set_nameidata()
2251 	if (nd->dfd == AT_FDCWD) {  in path_init()
2268 		struct fd f = fdget_raw(nd->dfd);  in path_init()
2355 int filename_lookup(int dfd, struct filename *name, unsigned flags,  in filename_lookup()  argument
2366 	set_nameidata(&nd, dfd, name);  in filename_lookup()
2398 static struct filename *filename_parentat(int dfd, struct filename *name,  in filename_parentat()  argument
2407 	set_nameidata(&nd, dfd, name);  in filename_parentat()
2644 int user_path_at_empty(int dfd, const char __user *name, unsigned flags,  in user_path_at_empty()  argument
2647 	return filename_lookup(dfd, getname_flags(name, flags, empty),  in user_path_at_empty()
3388 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()  argument
3395 	set_nameidata(&nd, dfd, pathname);  in do_filp_open()
3434 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()  argument
3450 	name = filename_parentat(dfd, name, lookup_flags, path, &last, &type);  in filename_create()
3505 struct dentry *kern_path_create(int dfd, const char *pathname,  in kern_path_create()  argument
3508 	return filename_create(dfd, getname_kernel(pathname),  in kern_path_create()
3522 inline struct dentry *user_path_create(int dfd, const char __user *pathname,  in user_path_create()  argument
3525 	return filename_create(dfd, getname(pathname), path, lookup_flags);  in user_path_create()
3576 static long do_mknodat(int dfd, const char __user *filename, umode_t mode,  in do_mknodat()  argument
3588 	dentry = user_path_create(dfd, filename, &path, lookup_flags);  in do_mknodat()
3620 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
3623 	return do_mknodat(dfd, filename, mode, dev);  in SYSCALL_DEFINE4()
3657 static long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)  in do_mkdirat()  argument
3665 	dentry = user_path_create(dfd, pathname, &path, lookup_flags);  in do_mkdirat()
3682 SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)  in SYSCALL_DEFINE3()  argument
3684 	return do_mkdirat(dfd, pathname, mode);  in SYSCALL_DEFINE3()
3732 long do_rmdir(int dfd, struct filename *name)  in do_rmdir()  argument
3741 	name = filename_parentat(dfd, name, lookup_flags,  in do_rmdir()
3860 long do_unlinkat(int dfd, struct filename *name)  in do_unlinkat()  argument
3871 	name = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_unlinkat()
3931 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
3937 		return do_rmdir(dfd, getname(pathname));  in SYSCALL_DEFINE3()
3938 	return do_unlinkat(dfd, getname(pathname));  in SYSCALL_DEFINE3()