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---
multipathd/main.c | 45 +++++++++++++++++++++++++++++++++++----------
1 file changed, 35 insertions(+), 10 deletions(-)
Index: multipath-tools/multipathd/main.c
===================================================================
--- multipath-tools.orig/multipathd/main.c
+++ multipath-tools/multipathd/main.c
@@ -943,14 +943,41 @@ retry_count_tick(vector mpvec)
}
}
-int update_path_groups(struct multipath *mpp, struct vectors *vecs)
+int update_prio(struct path *pp, int refresh_all)
+{
+ int oldpriority;
+ struct pathgroup * pgp;
+ int i, j, changed = 0;
+
+ if (refresh_all) {
+ vector_foreach_slot (pp->mpp->pg, pgp, i) {
+ vector_foreach_slot (pgp->paths, pp, j) {
+ oldpriority = pp->priority;
+ pathinfo(pp, conf->hwtable, DI_PRIO);
+ if (pp->priority != oldpriority)
+ changed = 1;
+ }
+ }
+ return changed;
+ }
+ oldpriority = pp->priority;
+ pathinfo(pp, conf->hwtable, DI_PRIO);
+
+ if (pp->priority == oldpriority)
+ return 0;
+ return 1;
+}
+
+int update_path_groups(struct multipath *mpp, struct vectors *vecs, int refresh)
{
int i;
struct path * pp;
update_mpp_paths(mpp, vecs->pathvec);
- vector_foreach_slot (mpp->paths, pp, i)
- pathinfo(pp, conf->hwtable, DI_PRIO);
+ if (!refresh) {
+ vector_foreach_slot (mpp->paths, pp, i)
+ pathinfo(pp, conf->hwtable, DI_PRIO);
+ }
setup_map(mpp);
mpp->action = ACT_RELOAD;
if (domap(mpp) <= 0) {
@@ -969,7 +996,6 @@ void
check_path (struct vectors * vecs, struct path * pp)
{
int newstate;
- int oldpriority;
int new_path_up = 0;
if (!pp->mpp)
@@ -1072,12 +1098,11 @@ check_path (struct vectors * vecs, struc
* path prio refreshing
*/
condlog(4, "path prio refresh");
- oldpriority = pp->priority;
- pathinfo(pp, conf->hwtable, DI_PRIO);
- if (pp->priority != oldpriority &&
- pp->mpp->pgpolicyfn == (pgpolicyfn *)group_by_prio)
- update_path_groups(pp->mpp, vecs);
- else if (need_switch_pathgroup(pp->mpp, new_path_up)) {
+ if (update_prio(pp, new_path_up) &&
+ pp->mpp->pgpolicyfn == (pgpolicyfn *)group_by_prio &&
+ pp->mpp->pgfailback != -FAILBACK_FOLLOWOVER)
+ update_path_groups(pp->mpp, vecs, !new_path_up);
+ else if (need_switch_pathgroup(pp->mpp, 0)) {
if (pp->mpp->pgfailback > 0 &&
(new_path_up || pp->mpp->failback_tick <= 0))
pp->mpp->failback_tick =
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