device-mapper-multipath/0047-multipath-add-option-t...

64 lines
1.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Thu, 2 Jul 2020 19:07:06 -0500
Subject: [PATCH] multipath: add option to skip multipathd delegation
Add the -D option to allow users to skip delegating commands to
multipathd.
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/config.h | 1 +
multipath/main.c | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/libmultipath/config.h b/libmultipath/config.h
index 55569360..92c61a0d 100644
--- a/libmultipath/config.h
+++ b/libmultipath/config.h
@@ -190,6 +190,7 @@ struct config {
int ghost_delay;
int find_multipaths_timeout;
int marginal_pathgroups;
+ int skip_delegate;
unsigned int version[3];
unsigned int sequence_nr;
diff --git a/multipath/main.c b/multipath/main.c
index 6a24e483..4c43314e 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -817,6 +817,9 @@ int delegate_to_multipathd(enum mpath_cmds cmd,
*p = '\0';
n = sizeof(command);
+ if (conf->skip_delegate)
+ return NOT_DELEGATED;
+
if (cmd == CMD_CREATE && conf->force_reload == FORCE_RELOAD_YES) {
p += snprintf(p, n, "reconfigure");
}
@@ -890,7 +893,7 @@ main (int argc, char *argv[])
multipath_conf = conf;
conf->retrigger_tries = 0;
conf->force_sync = 1;
- while ((arg = getopt(argc, argv, ":adcChl::eFfM:v:p:b:BrR:itTquUwW")) != EOF ) {
+ while ((arg = getopt(argc, argv, ":adDcChl::eFfM:v:p:b:BrR:itTquUwW")) != EOF ) {
switch(arg) {
case 1: printf("optarg : %s\n",optarg);
break;
@@ -922,6 +925,9 @@ main (int argc, char *argv[])
if (cmd == CMD_CREATE)
cmd = CMD_DRY_RUN;
break;
+ case 'D':
+ conf->skip_delegate = 1;
+ break;
case 'f':
cmd = CMD_FLUSH_ONE;
break;
--
2.17.2