/*
* update_parts_linkage -- (internal) set uuids linking recreated parts within
* a replica
*/
static int
update_parts_linkage(struct pool_set *set, unsigned repn,
struct poolset_health_status *set_hs)
{
LOG(3, "set %p, repn %u, set_hs %p", set, repn, set_hs);
struct pool_replica *rep = REP(set, repn);
for (unsigned p = 0; p < rep->nhdrs; ++p) {
struct pool_hdr *hdrp = HDR(rep, p);
struct pool_hdr *prev_hdrp = HDRP(rep, p);
struct pool_hdr *next_hdrp = HDRN(rep, p);
/* set uuids in the current part */
memcpy(hdrp->prev_part_uuid, PARTP(rep, p).uuid,
POOL_HDR_UUID_LEN);
memcpy(hdrp->next_part_uuid, PARTN(rep, p).uuid,
POOL_HDR_UUID_LEN);
util_checksum(hdrp, sizeof(*hdrp), &hdrp->checksum,
1, POOL_HDR_CSUM_END_OFF);
/* set uuids in the previous part */
memcpy(prev_hdrp->next_part_uuid, PART(rep, p).uuid,
POOL_HDR_UUID_LEN);
util_checksum(prev_hdrp, sizeof(*prev_hdrp),
&prev_hdrp->checksum, 1, POOL_HDR_CSUM_END_OFF);
/* set uuids in the next part */
memcpy(next_hdrp->prev_part_uuid, PART(rep, p).uuid,
POOL_HDR_UUID_LEN);
util_checksum(next_hdrp, sizeof(*next_hdrp),
&next_hdrp->checksum, 1, POOL_HDR_CSUM_END_OFF);
/* store pool's header */
util_persist(PART(rep, p).is_dev_dax, hdrp, sizeof(*hdrp));
util_persist(PARTP(rep, p).is_dev_dax, prev_hdrp,
sizeof(*prev_hdrp));
util_persist(PARTN(rep, p).is_dev_dax, next_hdrp,
sizeof(*next_hdrp));
}
return 0;
}
/*
* update_uuids -- (internal) update uuids in all headers in the replica
*/
static void
update_uuids(struct pool_set *set, unsigned repn)
{
LOG(3, "set %p, repn %u", set, repn);
struct pool_replica *rep = REP(set, repn);
struct pool_hdr *hdr0 = HDR(rep, 0);
for (unsigned p = 0; p < rep->nhdrs; ++p) {
struct pool_hdr *hdrp = HDR(rep, p);
memcpy(hdrp->next_part_uuid, PARTN(rep, p)->uuid,
POOL_HDR_UUID_LEN);
memcpy(hdrp->prev_part_uuid, PARTP(rep, p)->uuid,
POOL_HDR_UUID_LEN);
memcpy(hdrp->next_repl_uuid, hdr0->next_repl_uuid,
POOL_HDR_UUID_LEN);
memcpy(hdrp->prev_repl_uuid, hdr0->prev_repl_uuid,
POOL_HDR_UUID_LEN);
memcpy(hdrp->poolset_uuid, hdr0->poolset_uuid,
POOL_HDR_UUID_LEN);
util_checksum(hdrp, sizeof(*hdrp), &hdrp->checksum, 1,
POOL_HDR_CSUM_END_OFF);
util_persist(PART(rep, p)->is_dev_dax, hdrp, sizeof(*hdrp));
}
}
