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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Thu, 22 Jul 2021 17:48:06 -0500
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Subject: [PATCH] mpathpersist: fail commands when no usable paths exist
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"mpathpersist -oCK <reservation_key> <device>" will return success if it
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is run on devices with no usable paths, but nothing is actually done.
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The -L command will fail, but it should give up sooner, and with a more
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helpful error message.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmpathpersist/mpath_persist.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/libmpathpersist/mpath_persist.c b/libmpathpersist/mpath_persist.c
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index 07a5f17f..d0744773 100644
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--- a/libmpathpersist/mpath_persist.c
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+++ b/libmpathpersist/mpath_persist.c
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@@ -629,7 +629,8 @@ int mpath_prout_common(struct multipath *mpp,int rq_servact, int rq_scope,
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return ret ;
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}
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}
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- return MPATH_PR_SUCCESS;
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+ condlog (0, "%s: no path available", mpp->wwid);
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+ return MPATH_PR_DMMP_ERROR;
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}
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int send_prout_activepath(char * dev, int rq_servact, int rq_scope,
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@@ -688,6 +689,11 @@ int mpath_prout_rel(struct multipath *mpp,int rq_servact, int rq_scope,
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active_pathcount = pathcount (mpp, PATH_UP) + pathcount (mpp, PATH_GHOST);
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+ if (active_pathcount == 0) {
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+ condlog (0, "%s: no path available", mpp->wwid);
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+ return MPATH_PR_DMMP_ERROR;
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+ }
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+
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struct threadinfo thread[active_pathcount];
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memset(thread, 0, sizeof(thread));
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for (i = 0; i < active_pathcount; i++){
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