hammer2_ioctl_version_get
static int hammer2_ioctl_version_get(hammer2_inode_t *ip, void *data);
error = hammer2_ioctl_version_get(ip, data);
int hammer2_ioctl_version_get(hammer2_inode_t *ip, void *data);
static int hammer2_ioctl_version_get(hammer2_inode_t *ip, void *data);
error = hammer2_ioctl_version_get(ip, data);