DMU_BACKUP_MAGIC
if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
} else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
drr.drr_u.drr_begin.drr_magic = DMU_BACKUP_MAGIC;
ASSERT3U(drrb->drr_magic, ==, DMU_BACKUP_MAGIC);
assert(drr->drr_u.drr_begin.drr_magic == DMU_BACKUP_MAGIC);
if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
if (drrb->drr_magic != DMU_BACKUP_MAGIC || drr.drr_type != DRR_BEGIN) {
ASSERT3U(drrb->drr_magic, ==, DMU_BACKUP_MAGIC);
ASSERT3U(drrb->drr_magic, ==, DMU_BACKUP_MAGIC);
if (drc->drc_drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
} else if (drc->drc_drrb->drr_magic == DMU_BACKUP_MAGIC) {
drr->drr_u.drr_begin.drr_magic = DMU_BACKUP_MAGIC;