2b0cd7cceb
Rebased on top of Martin Wilck's queue of ACKed upstream commits * https://github.com/openSUSE/multipath-tools/tree/upstream-queue * All previous patches have been reordered, with the exception of 0011-libdmmp-Add-support-for-upcoming-json-c-0.14.0.patch which has been replaced with 0029-fix-boolean-value-with-json-c-0.14.patch Modify 0054-RH-add-mpathconf.patch * remove default enable_foreign and property blacklist_exceptions settings, and deal with the builtin default change from 0031-libmultipath-set-enable_foreign-to-NONE-by-default.patch. Fixes bz #1853668 Add 0048-Makefile.inc-trim-extra-information-from-systemd-ver.patch Add 0049-kpartx-fix-Wsign-compare-error.patch * The above two patches have been submitted upstream
107 lines
3.8 KiB
Diff
107 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Wed, 15 Oct 2014 10:39:30 -0500
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Subject: [PATCH] RH: don't start without a config file
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If /etc/multipath.conf doesn't exist, don't start multipathd and blacklist
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all devices when running multipath. A completely blank configuration file
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is almost never what users want. Also, people may have the multipath
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packages installed but don't want to use them. This patch provides a
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simple way to disable multipath. Simply removing or renaming
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/etc/multipath.conf will keep multipath from doing anything.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/config.c | 15 +++++++++++++++
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libmultipath/config.h | 1 +
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multipath/multipath.rules | 1 +
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multipathd/multipathd.8 | 2 ++
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multipathd/multipathd.service | 1 +
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5 files changed, 20 insertions(+)
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diff --git a/libmultipath/config.c b/libmultipath/config.c
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index 658bec8b..1c02e230 100644
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--- a/libmultipath/config.c
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+++ b/libmultipath/config.c
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@@ -26,6 +26,7 @@
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#include "devmapper.h"
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#include "mpath_cmd.h"
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#include "propsel.h"
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+#include "version.h"
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static int
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hwe_strmatch (const struct hwentry *hwe1, const struct hwentry *hwe2)
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@@ -778,6 +779,20 @@ load_config (char * file)
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goto out;
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}
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factorize_hwtable(conf->hwtable, builtin_hwtable_size, file);
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+ } else {
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+ condlog(0, "/etc/multipath.conf does not exist, blacklisting all devices.");
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+ if (conf->blist_devnode == NULL) {
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+ conf->blist_devnode = vector_alloc();
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+ if (!conf->blist_devnode) {
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+ condlog(0, "cannot allocate blacklist\n");
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+ goto out;
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+ }
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+ }
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+ if (store_ble(conf->blist_devnode, strdup(".*"),
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+ ORIGIN_NO_CONFIG)) {
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+ condlog(0, "cannot store default no-config blacklist\n");
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+ goto out;
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+ }
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}
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conf->processed_main_config = 1;
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diff --git a/libmultipath/config.h b/libmultipath/config.h
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index 92c61a0d..160867cd 100644
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--- a/libmultipath/config.h
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+++ b/libmultipath/config.h
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@@ -9,6 +9,7 @@
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#define ORIGIN_DEFAULT 0
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#define ORIGIN_CONFIG 1
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+#define ORIGIN_NO_CONFIG 2
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/*
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* In kernel, fast_io_fail == 0 means immediate failure on rport delete.
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diff --git a/multipath/multipath.rules b/multipath/multipath.rules
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index 9df11a95..0486bf70 100644
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--- a/multipath/multipath.rules
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+++ b/multipath/multipath.rules
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@@ -9,6 +9,7 @@ IMPORT{cmdline}="nompath"
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ENV{nompath}=="?*", GOTO="end_mpath"
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IMPORT{cmdline}="multipath"
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ENV{multipath}=="off", GOTO="end_mpath"
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+TEST!="/etc/multipath.conf", GOTO="end_mpath"
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ENV{DEVTYPE}!="partition", GOTO="test_dev"
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IMPORT{parent}="DM_MULTIPATH_DEVICE_PATH"
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diff --git a/multipathd/multipathd.8 b/multipathd/multipathd.8
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index 048a838d..8bd47a80 100644
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--- a/multipathd/multipathd.8
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+++ b/multipathd/multipathd.8
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@@ -39,6 +39,8 @@ map regains its maximum performance and redundancy.
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This daemon executes the external \fBmultipath\fR tool when events occur.
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In turn, the multipath tool signals the multipathd daemon when it is done with
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devmap reconfiguration, so that it can refresh its failed path list.
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+
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+In this Linux distribution, multipathd does not run unless a /etc/multipath.conf file exists.
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.
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.
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.\" ----------------------------------------------------------------------------
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diff --git a/multipathd/multipathd.service b/multipathd/multipathd.service
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index ba24983e..17434cef 100644
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--- a/multipathd/multipathd.service
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+++ b/multipathd/multipathd.service
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@@ -4,6 +4,7 @@ Wants=systemd-udev-trigger.service systemd-udev-settle.service
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Before=iscsi.service iscsid.service lvm2-activation-early.service
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Before=local-fs-pre.target blk-availability.service
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After=multipathd.socket systemd-udev-trigger.service systemd-udev-settle.service
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+ConditionPathExists=/etc/multipath.conf
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DefaultDependencies=no
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Conflicts=shutdown.target
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ConditionKernelCommandLine=!nompath
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--
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2.17.2
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