From 54148aba7c1a02bf018ae777bebc7f16e6cd3195 Mon Sep 17 00:00:00 2001 From: Pawel Baldysiak Date: Thu, 28 Sep 2017 14:41:12 +0200 Subject: [PATCH 06/12] imsm: switch to multiple ppls automatically during assemble If user has array with single ppl - update the metadata to use multiple ppls. Signed-off-by: Pawel Baldysiak Signed-off-by: Artur Paszkiewicz Signed-off-by: Jes Sorensen --- super-intel.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/super-intel.c b/super-intel.c index 65cdc92..630fb6e 100644 --- a/super-intel.c +++ b/super-intel.c @@ -6184,6 +6184,36 @@ static int validate_ppl_imsm(struct supertype *st, struct mdinfo *info, out: free(buf); + /* + * Update metadata to use mutliple PPLs area (1MB). + * This is done once for all RAID members + */ + if (info->consistency_policy == CONSISTENCY_POLICY_PPL && + info->ppl_size != (MULTIPLE_PPL_AREA_SIZE_IMSM >> 9)) { + char subarray[20]; + struct mdinfo *member_dev; + + sprintf(subarray, "%d", info->container_member); + + if (mdmon_running(st->container_devnm)) + st->update_tail = &st->updates; + + if (st->ss->update_subarray(st, subarray, "ppl", NULL)) { + pr_err("Failed to update subarray %s\n", + subarray); + } else { + if (st->update_tail) + flush_metadata_updates(st); + else + st->ss->sync_metadata(st); + info->ppl_size = (MULTIPLE_PPL_AREA_SIZE_IMSM >> 9); + for (member_dev = info->devs; member_dev; + member_dev = member_dev->next) + member_dev->ppl_size = + (MULTIPLE_PPL_AREA_SIZE_IMSM >> 9); + } + } + if (ret == 1 && map->map_state == IMSM_T_STATE_UNINITIALIZED) return st->ss->write_init_ppl(st, info, d->fd); -- 2.7.4