Function ddt_repair_start

freebsd/contrib/openzfs/module/zfs/ddt.c:900–926

}

ddt_entry_t *
ddt_repair_start(ddt_t *ddt, const blkptr_t *bp)
{
	ddt_key_t ddk;
	ddt_entry_t *dde;

	ddt_key_fill(&ddk, bp);

	dde = ddt_alloc(&ddk);

	for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
		for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
			/*
			 * We can only do repair if there are multiple copies
			 * of the block.  For anything in the UNIQUE class,
			 * there's definitely only one copy, so don't even try.
			 */
			if (class != DDT_CLASS_UNIQUE &&
			    ddt_object_lookup(ddt, type, class, dde) == 0)
				return (dde);
		}
	}

	bzero(dde->dde_phys, sizeof (dde->dde_phys));

	return (dde);
}

void
ddt_repair_done(ddt_t *ddt, ddt_entry_t *dde)