124 		err = invalid_str(param->path, param->size - AUTOFS_DEV_IOCTL_SIZE);  in validate_dev_ioctl()
132 		err = check_name(param->path);  in validate_dev_ioctl()
201 			     struct path *res,  in find_autofs_mount()
202 			     int test(const struct path *path, void *data),  in find_autofs_mount()  argument
205 	struct path path;  in find_autofs_mount()  local
208 	err = kern_path_mountpoint(AT_FDCWD, pathname, &path, 0);  in find_autofs_mount()
212 	while (path.dentry == path.mnt->mnt_root) {  in find_autofs_mount()
213 		if (path.dentry->d_sb->s_magic == AUTOFS_SUPER_MAGIC) {  in find_autofs_mount()
214 			if (test(&path, data)) {  in find_autofs_mount()
215 				path_get(&path);  in find_autofs_mount()
216 				*res = path;  in find_autofs_mount()
221 		if (!follow_up(&path))  in find_autofs_mount()
224 	path_put(&path);  in find_autofs_mount()
228 static int test_by_dev(const struct path *path, void *p)  in test_by_dev()  argument
230 	return path->dentry->d_sb->s_dev == *(dev_t *)p;  in test_by_dev()
233 static int test_by_type(const struct path *path, void *p)  in test_by_type()  argument
235 	struct autofs_info *ino = autofs_dentry_ino(path->dentry);  in test_by_type()
251 		struct path path;  in autofs_dev_ioctl_open_mountpoint()  local
253 		err = find_autofs_mount(name, &path, test_by_dev, &devid);  in autofs_dev_ioctl_open_mountpoint()
257 		filp = dentry_open(&path, O_RDONLY, current_cred());  in autofs_dev_ioctl_open_mountpoint()
258 		path_put(&path);  in autofs_dev_ioctl_open_mountpoint()
279 	const char *path;  in autofs_dev_ioctl_openmount()  local
290 	path = param->path;  in autofs_dev_ioctl_openmount()
294 	fd = autofs_dev_ioctl_open_mountpoint(path, devid);  in autofs_dev_ioctl_openmount()
442 	struct path path;  in autofs_dev_ioctl_requester()  local
452 	err = find_autofs_mount(param->path, &path, test_by_dev, &devid);  in autofs_dev_ioctl_requester()
456 	ino = autofs_dentry_ino(path.dentry);  in autofs_dev_ioctl_requester()
459 		autofs_expire_wait(&path, 0);  in autofs_dev_ioctl_requester()
467 	path_put(&path);  in autofs_dev_ioctl_requester()
525 	struct path path;  in autofs_dev_ioctl_ismountpoint()  local
533 	name = param->path;  in autofs_dev_ioctl_ismountpoint()
542 						   name, &path, LOOKUP_FOLLOW);  in autofs_dev_ioctl_ismountpoint()
544 			err = find_autofs_mount(name, &path,  in autofs_dev_ioctl_ismountpoint()
548 		devid = new_encode_dev(path.dentry->d_sb->s_dev);  in autofs_dev_ioctl_ismountpoint()
550 		if (path.mnt->mnt_root == path.dentry) {  in autofs_dev_ioctl_ismountpoint()
552 			magic = path.dentry->d_sb->s_magic;  in autofs_dev_ioctl_ismountpoint()
557 		err = find_autofs_mount(name, &path, test_by_dev, &dev);  in autofs_dev_ioctl_ismountpoint()
563 		err = path_has_submounts(&path);  in autofs_dev_ioctl_ismountpoint()
565 		if (follow_down_one(&path))  in autofs_dev_ioctl_ismountpoint()
566 			magic = path.dentry->d_sb->s_magic;  in autofs_dev_ioctl_ismountpoint()
571 	path_put(&path);  in autofs_dev_ioctl_ismountpoint()