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---
multipathd/main.c | 34 +++++++++++++++++++++++++++++-----
1 file changed, 29 insertions(+), 5 deletions(-)
Index: multipath-tools/multipathd/main.c
===================================================================
--- multipath-tools.orig/multipathd/main.c
+++ multipath-tools/multipathd/main.c
@@ -48,6 +48,7 @@
#include <configure.h>
#include <prio.h>
#include <finder.h>
+#include <pgpolicies.h>
#include "main.h"
#include "pidfile.h"
@@ -911,10 +912,33 @@ retry_count_tick(vector mpvec)
}
}
+int update_path_groups(struct multipath *mpp, struct vectors *vecs)
+{
+ int i;
+ struct path * pp;
+
+ update_mpp_paths(mpp, vecs->pathvec);
+ vector_foreach_slot (mpp->paths, pp, i)
+ pathinfo(pp, conf->hwtable, DI_PRIO);
+ setup_map(mpp);
+ mpp->action = ACT_RELOAD;
+ if (domap(mpp) <= 0) {
+ condlog(0, "%s: failed to update map : %s", mpp->alias,
+ strerror(errno));
+ return 1;
+ }
+ dm_lib_release();
+ setup_multipath(vecs, mpp);
+ sync_map_state(mpp);
+
+ return 0;
+}
+
void
check_path (struct vectors * vecs, struct path * pp)
{
int newstate;
+ int oldpriority;
if (!pp->mpp)
return;
@@ -1024,12 +1048,12 @@ check_path (struct vectors * vecs, struc
* path prio refreshing
*/
condlog(4, "path prio refresh");
+ oldpriority = pp->priority;
pathinfo(pp, conf->hwtable, DI_PRIO);
-
- /*
- * pathgroup failback policy
- */
- if (need_switch_pathgroup(pp->mpp, 0)) {
+ if (pp->priority != oldpriority &&
+ pp->mpp->pgpolicyfn == (pgpolicyfn *)group_by_prio)
+ update_path_groups(pp->mpp, vecs);
+ else if (need_switch_pathgroup(pp->mpp, 0)) {
if (pp->mpp->pgfailback > 0 &&
pp->mpp->failback_tick <= 0)
pp->mpp->failback_tick =
|
