de5fe16817
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/device-mapper-multipath#2cf40b2f98808e3533e915c0a204b885d9da5e43
90 lines
3.0 KiB
Diff
90 lines
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.com>
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Date: Mon, 2 Mar 2020 22:43:27 +0100
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Subject: [PATCH] multipath: add "-e" option to enable foreign libraries
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As we have set "enable_foreign" to "NONE" now by default, users
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may find it useful to be able to switch on foreign multipath display
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with an extra command line option even if foreign libraries are
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not enabled in multipath.conf. Currently this makes only sense
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with "multipath -ll", as the nvme library (and foreign libraries
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in general) support only the display of status information.
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Suggested-by: Benjamin Marzinski <bmarzins@redhat.com>
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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multipath/main.c | 11 ++++++++++-
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multipath/multipath.8 | 6 ++++++
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2 files changed, 16 insertions(+), 1 deletion(-)
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diff --git a/multipath/main.c b/multipath/main.c
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index 953fab27..c4740fab 100644
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--- a/multipath/main.c
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+++ b/multipath/main.c
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@@ -145,6 +145,7 @@ usage (char * progname)
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" -h print this usage text\n"
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" -l show multipath topology (sysfs and DM info)\n"
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" -ll show multipath topology (maximum info)\n"
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+ " -e enable foreign libraries with -l/-ll\n"
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" -f flush a multipath device map\n"
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" -F flush all multipath device maps\n"
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" -a add a device wwid to the wwids file\n"
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@@ -865,6 +866,7 @@ main (int argc, char *argv[])
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char *dev = NULL;
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struct config *conf;
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int retries = -1;
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+ bool enable_foreign = false;
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udev = udev_new();
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logsink = 0;
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@@ -874,7 +876,7 @@ main (int argc, char *argv[])
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multipath_conf = conf;
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conf->retrigger_tries = 0;
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conf->force_sync = 1;
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- while ((arg = getopt(argc, argv, ":adcChl::FfM:v:p:b:BrR:itTquUwW")) != EOF ) {
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+ while ((arg = getopt(argc, argv, ":adcChl::eFfM:v:p:b:BrR:itTquUwW")) != EOF ) {
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switch(arg) {
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case 1: printf("optarg : %s\n",optarg);
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break;
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@@ -971,6 +973,9 @@ main (int argc, char *argv[])
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case 'R':
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retries = atoi(optarg);
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break;
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+ case 'e':
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+ enable_foreign = true;
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+ break;
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case ':':
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fprintf(stderr, "Missing option argument\n");
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usage(argv[0]);
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@@ -1022,6 +1027,10 @@ main (int argc, char *argv[])
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condlog(0, "failed to initialize prioritizers");
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goto out;
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}
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+
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+ if ((cmd == CMD_LIST_SHORT || cmd == CMD_LIST_LONG) && enable_foreign)
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+ conf->enable_foreign = "";
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+
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/* Failing here is non-fatal */
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init_foreign(conf->multipath_dir, conf->enable_foreign);
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if (cmd == CMD_USABLE_PATHS) {
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diff --git a/multipath/multipath.8 b/multipath/multipath.8
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index 9cdd05a3..6fb8645a 100644
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--- a/multipath/multipath.8
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+++ b/multipath/multipath.8
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@@ -223,6 +223,12 @@ The verbosity level also controls the level of log and debug messages printed to
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Dry run, do not create or update devmaps.
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.
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.TP
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+.B \-e
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+Enable all foreign libraries. This overrides the
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+.I enable_foreign
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+option from \fBmultipath.conf(5)\fR.
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+.
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+.TP
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.B \-i
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Ignore WWIDs file when processing devices. If
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\fIfind_multipaths strict\fR or \fIfind_multipaths no\fR is set in
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--
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2.17.2
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