g_slice_config
error = g_slice_config(gp, i++, G_SLICE_CONFIG_SET,
error = g_slice_config(gp, i++, G_SLICE_CONFIG_CHECK,
int g_slice_config(struct g_geom *gp, u_int idx, int how, off_t offset, off_t length, u_int sectorsize, const char *fmt, ...) __printflike(7, 8);
g_slice_config(cp->geom, 0, G_SLICE_CONFIG_FORCE, (off_t)0,
g_slice_config(gp, 0, G_SLICE_CONFIG_SET, (off_t)0, mediasize,