hammer2_ioctl_pfs_snapshot
error = hammer2_ioctl_pfs_snapshot(ip, data);
static int hammer2_ioctl_pfs_snapshot(hammer2_inode_t *ip, void *data);
return hammer2_ioctl_pfs_snapshot(VTOI(vp), &pfs);
int hammer2_ioctl_pfs_snapshot(hammer2_inode_t *ip, void *data);
error = hammer2_ioctl_pfs_snapshot(ip, data);
static int hammer2_ioctl_pfs_snapshot(hammer2_inode_t *ip, void *data);