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