md/dm-vdo/slab-depot.c

1120  * get_reference_counters_for_block() - Find the reference counters for a given block.
1123  * Return: A pointer to the reference counters for this block.
1129 	return &block->slab->counters[block_index * COUNTS_PER_BLOCK];
1140 	vdo_refcount_t *counters = get_reference_counters_for_block(block);
1148 		memcpy(packed->sectors[i].counts, counters + (i * COUNTS_PER_SECTOR),
1181  *                           its counters and associated data into the VIO, and launch the write.
1328 	*counter_ptr = &slab->counters[index];
1598 	vdo_refcount_t *counter_ptr = &slab->counters[block_number];
2008  *                            reference counters.
2040  * @slab: The slab counters to scan.
2052 	u8 *next_counter = &slab->counters[next_index];
2053 	u8 *end_counter = &slab->counters[end_index];
2151 	slab->counters[block_number] = PROVISIONAL_REFERENCE_COUNT;
2175 	vdo_refcount_t *counters = get_reference_counters_for_block(block);
2179 		if (counters[j] == PROVISIONAL_REFERENCE_COUNT) {
2180 			counters[j] = EMPTY_REFERENCE_COUNT;
2204 	vdo_refcount_t *counters = get_reference_counters_for_block(block);
2210 		memcpy(counters + (i * COUNTS_PER_SECTOR), sector->counts,
2229 		if (counters[index] != EMPTY_REFERENCE_COUNT)
2320 	if ((state == VDO_ADMIN_STATE_RECOVERING) || (slab->counters == NULL))
2338 		 * Write out the counters if the slab has written them before, or it has any
2381 			      &slab->counters);
2880 	 * At the end of rebuild, the reference counters should be accurate to the end of the
3122 	if (slab->counters[block_number] == EMPTY_REFERENCE_COUNT) {
3145 	VDO_ASSERT_LOG_ONLY((slab->counters[free_index] == EMPTY_REFERENCE_COUNT),
3615 		if (slab->counters != NULL) {
3625 			vdo_log_info("  no counters");
3653 	vdo_free(vdo_forget(slab->counters));
4282  * vdo_allocate_reference_counters() - Allocate the reference counters for all slabs in the depot.