hammer2_ioctl_pfs_get
error = hammer2_ioctl_pfs_get(ip, data);
static int hammer2_ioctl_pfs_get(hammer2_inode_t *ip, void *data);
error = hammer2_ioctl_pfs_get(VTOI(vp), &pfs);
int hammer2_ioctl_pfs_get(hammer2_inode_t *ip, void *data);
error = hammer2_ioctl_pfs_get(ip, data);
static int hammer2_ioctl_pfs_get(hammer2_inode_t *ip, void *data);