static void
spa_condense_indirect_generate_new_mapping(vdev_t *vd,
uint32_t *obsolete_counts, uint64_t start_index, zthr_t *zthr)
{
spa_t *spa = vd->vdev_spa;
uint64_t mapi = start_index;
vdev_indirect_mapping_t *old_mapping = vd->vdev_indirect_mapping;
uint64_t old_num_entries =
vdev_indirect_mapping_num_entries(old_mapping);
ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
ASSERT3U(vd->vdev_id, ==, spa->spa_condensing_indirect_phys.scip_vdev);
zfs_dbgmsg("starting condense of vdev %llu from index %llu",
(u_longlong_t)vd->vdev_id,
(u_longlong_t)mapi);
while (mapi < old_num_entries) {
if (zthr_iscancelled(zthr)) {
zfs_dbgmsg("pausing condense of vdev %llu "
"at index %llu", (u_longlong_t)vd->vdev_id,
(u_longlong_t)mapi);
break;
}
vdev_indirect_mapping_entry_phys_t *entry =
&old_mapping->vim_entries[mapi];
uint64_t entry_size = DVA_GET_ASIZE(&entry->vimep_dst);
ASSERT3U(obsolete_counts[mapi], <=, entry_size);
if (obsolete_counts[mapi] < entry_size) {
spa_condense_indirect_commit_entry(spa, entry,
obsolete_counts[mapi]);
/*
* This delay may be requested for testing, debugging,
* or performance reasons.
*/
delay(zfs_condense_indirect_commit_entry_delay_ticks);
}
mapi++;
}
}
static boolean_t
vdev_indirect_mapping_verify(vdev_indirect_mapping_t *vim)
{
ASSERT(vim != NULL);
ASSERT(vim->vim_object != 0);
ASSERT(vim->vim_objset != NULL);
ASSERT(vim->vim_phys != NULL);
ASSERT(vim->vim_dbuf != NULL);
EQUIV(vim->vim_phys->vimp_num_entries > 0,
vim->vim_entries != NULL);
if (vim->vim_phys->vimp_num_entries > 0) {
ASSERTV(vdev_indirect_mapping_entry_phys_t *last_entry =
&vim->vim_entries[vim->vim_phys->vimp_num_entries - 1]);
ASSERTV(uint64_t offset =
DVA_MAPPING_GET_SRC_OFFSET(last_entry));
ASSERTV(uint64_t size = DVA_GET_ASIZE(&last_entry->vimep_dst));
ASSERT3U(vim->vim_phys->vimp_max_offset, >=, offset + size);
}
