1891 static int path_init(int dfd, const struct filename *name, unsigned int flags,  in path_init()  argument
1935 	} else if (dfd == AT_FDCWD) {  in path_init()
1952 		struct fd f = fdget_raw(dfd);  in path_init()
2013 static int path_lookupat(int dfd, const struct filename *name,  in path_lookupat()  argument
2033 	err = path_init(dfd, name, flags, nd);  in path_lookupat()
2065 static int filename_lookup(int dfd, struct filename *name,  in filename_lookup()  argument
2068 	int retval = path_lookupat(dfd, name, flags | LOOKUP_RCU, nd);  in filename_lookup()
2070 		retval = path_lookupat(dfd, name, flags, nd);  in filename_lookup()
2072 		retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd);  in filename_lookup()
2222 int user_path_at_empty(int dfd, const char __user *name, unsigned flags,  in user_path_at_empty()  argument
2232 		err = filename_lookup(dfd, tmp, flags, &nd);  in user_path_at_empty()
2240 int user_path_at(int dfd, const char __user *name, unsigned flags,  in user_path_at()  argument
2243 	return user_path_at_empty(dfd, name, flags, path, NULL);  in user_path_at()
2254 user_path_parent(int dfd, const char __user *path, struct nameidata *nd,  in user_path_parent()  argument
2266 	error = filename_lookup(dfd, s, flags | LOOKUP_PARENT, nd);  in user_path_parent()
2379 path_mountpoint(int dfd, const struct filename *name, struct path *path,  in path_mountpoint()  argument
2385 	err = path_init(dfd, name, flags, &nd);  in path_mountpoint()
2409 filename_mountpoint(int dfd, struct filename *name, struct path *path,  in filename_mountpoint()  argument
2415 	error = path_mountpoint(dfd, name, path, flags | LOOKUP_RCU);  in filename_mountpoint()
2417 		error = path_mountpoint(dfd, name, path, flags);  in filename_mountpoint()
2419 		error = path_mountpoint(dfd, name, path, flags | LOOKUP_REVAL);  in filename_mountpoint()
2441 user_path_mountpoint_at(int dfd, const char __user *name, unsigned int flags,  in user_path_mountpoint_at()  argument
2444 	return filename_mountpoint(dfd, getname(name), path, flags);  in user_path_mountpoint_at()
2448 kern_path_mountpoint(int dfd, const char *name, struct path *path,  in kern_path_mountpoint()  argument
2451 	return filename_mountpoint(dfd, getname_kernel(name), path, flags);  in kern_path_mountpoint()
3180 static int do_tmpfile(int dfd, struct filename *pathname,  in do_tmpfile()  argument
3188 	int error = path_lookupat(dfd, pathname,  in do_tmpfile()
3242 static struct file *path_openat(int dfd, struct filename *pathname,  in path_openat()  argument
3257 		error = do_tmpfile(dfd, pathname, nd, flags, op, file, &opened);  in path_openat()
3261 	error = path_init(dfd, pathname, flags, nd);  in path_openat()
3305 struct file *do_filp_open(int dfd, struct filename *pathname,  in do_filp_open()  argument
3312 	filp = path_openat(dfd, pathname, &nd, op, flags | LOOKUP_RCU);  in do_filp_open()
3314 		filp = path_openat(dfd, pathname, &nd, op, flags);  in do_filp_open()
3316 		filp = path_openat(dfd, pathname, &nd, op, flags | LOOKUP_REVAL);  in do_filp_open()
3347 static struct dentry *filename_create(int dfd, struct filename *name,  in filename_create()  argument
3362 	error = filename_lookup(dfd, name, LOOKUP_PARENT|lookup_flags, &nd);  in filename_create()
3417 struct dentry *kern_path_create(int dfd, const char *pathname,  in kern_path_create()  argument
3425 	res = filename_create(dfd, filename, path, lookup_flags);  in kern_path_create()
3440 struct dentry *user_path_create(int dfd, const char __user *pathname,  in user_path_create()  argument
3447 	res = filename_create(dfd, tmp, path, lookup_flags);  in user_path_create()
3498 SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,  in SYSCALL_DEFINE4()  argument
3510 	dentry = user_path_create(dfd, filename, &path, lookup_flags);  in SYSCALL_DEFINE4()
3571 SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)  in SYSCALL_DEFINE3()  argument
3579 	dentry = user_path_create(dfd, pathname, &path, lookup_flags);  in SYSCALL_DEFINE3()
3665 static long do_rmdir(int dfd, const char __user *pathname)  in do_rmdir()  argument
3673 	name = user_path_parent(dfd, pathname, &nd, lookup_flags);  in do_rmdir()
3791 static long do_unlinkat(int dfd, const char __user *pathname)  in do_unlinkat()  argument
3801 	name = user_path_parent(dfd, pathname, &nd, lookup_flags);  in do_unlinkat()
3862 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
3868 		return do_rmdir(dfd, pathname);  in SYSCALL_DEFINE3()
3870 	return do_unlinkat(dfd, pathname);  in SYSCALL_DEFINE3()