modify_blockref
if (modify_blockref(voldata, i, &bscan[i], bref) == -1)
static int modify_blockref(const hammer2_volume_data_t *, int,
if (modify_blockref(&voldata, -1, &broot, NULL) == -1)
if (modify_blockref(&voldata, -1, &broot, NULL, -1) ==
if (modify_blockref(voldata, i, &bscan[i], bref,
static int modify_blockref(const hammer2_volume_data_t *, int,