583 	int		dfd;  member
592 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name)  in __set_nameidata()  argument
597 	p->dfd = dfd;  in __set_nameidata()
606 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name,  in set_nameidata()  argument
609 	__set_nameidata(p, dfd, name);  in set_nameidata()
2382 	/* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */  in path_init()
2391 	if (nd->dfd == AT_FDCWD) {  in path_init()
2408 		struct fd f = fdget_raw(nd->dfd);  in path_init()
2495 int filename_lookup(int dfd, struct filename *name, unsigned flags,  in filename_lookup()  argument
2502 	set_nameidata(&nd, dfd, name, root);  in filename_lookup()
2534 static int filename_parentat(int dfd, struct filename *name,  in filename_parentat()  argument
2543 	set_nameidata(&nd, dfd, name, NULL);  in filename_parentat()
2872 int user_path_at_empty(int dfd, const char __user *name, unsigned flags,  in user_path_at_empty()  argument
2876 	int ret = filename_lookup(dfd, filename, flags, path, NULL);  in user_path_at_empty()
3733 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()  argument
3740 	set_nameidata(&nd, dfd, pathname, NULL);  in do_filp_open()
3776 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()  argument
3788 	error = filename_parentat(dfd, name, reval_flag, path, &last, &type);  in filename_create()
3843 struct dentry *kern_path_create(int dfd, const char *pathname,  in kern_path_create()  argument
3847 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in kern_path_create()
3863 inline struct dentry *user_path_create(int dfd, const char __user *pathname,  in user_path_create()  argument
3867 	struct dentry *res = filename_create(dfd, filename, path, lookup_flags);  in user_path_create()
3939 static int do_mknodat(int dfd, struct filename *name, umode_t mode,  in do_mknodat()  argument
3952 	dentry = filename_create(dfd, name, &path, lookup_flags);  in do_mknodat()
3990 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
3993 	return do_mknodat(dfd, getname(filename), mode, dev);  in SYSCALL_DEFINE4()
4043 int do_mkdirat(int dfd, struct filename *name, umode_t mode)  in do_mkdirat()  argument
4051 	dentry = filename_create(dfd, name, &path, lookup_flags);  in do_mkdirat()
4074 SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)  in SYSCALL_DEFINE3()  argument
4076 	return do_mkdirat(dfd, getname(pathname), mode);  in SYSCALL_DEFINE3()
4139 int do_rmdir(int dfd, struct filename *name)  in do_rmdir()  argument
4149 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_rmdir()
4280 int do_unlinkat(int dfd, struct filename *name)  in do_unlinkat()  argument
4291 	error = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);  in do_unlinkat()
4356 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
4362 		return do_rmdir(dfd, getname(pathname));  in SYSCALL_DEFINE3()
4363 	return do_unlinkat(dfd, getname(pathname));  in SYSCALL_DEFINE3()