dm_get_name
name = dm_get_name(slices[i], &error);
name = dm_get_name(slices[i], &error);
name = dm_get_name(slices[i], &error);
char *name = dm_get_name(slice[i], &err);
char *str = dm_get_name(slices[i], errp);
char *str = dm_get_name(slices[i], errp);
char *dm_get_name(dm_descriptor_t desc, int *errp);
char *aname = dm_get_name(alias, error);
name = dm_get_name(device, error);