a4bb435b33
- Update Source to the latest upstream commit
- Add 0001-libmultipath-add-comment-about-resuming.patch
* posted upstream
- Add 0002-multipath-attempt-at-common-multipath.rules.patch
* under discussion upstream
- Add 0003-RH-fixup-udev-rules-for-redhat.patch
* Redhat uses different udev rules that some other distros, so multipath
has run at a different time. Not all upstream distros link /sbin and
/usr/sbin either.
- Add 0004-RH-Remove-the-property-blacklist-exception-builtin.patch
* Allow multipath to be used on devices without multiple paths. NAK'ed
upstream, but requested by Red Hat
- Add 0005-RH-don-t-start-without-a-config-file.patch
* Don't start multipath unless a config file exists. NAK'ed upstream,
but requested by Red Hat
- Add 0006-RH-use-rpm-optflags-if-present.patch
* Make the build system fedora friendly
- Add 0007-RH-add-mpathconf.patch
* Add tool to help configure multipath with Red Hat defaults.
- Add 0008-RH-add-wwids-from-kernel-cmdline-mpath.wwids-with-A.patch
* Make multipath able to claim devices based on the kernel command line
NAK'ed upstream but requested by Red Hat
- Add 0009-RH-trigger-change-uevent-on-new-device-creation.patch
* under discussion upstream
95 lines
3.3 KiB
Diff
95 lines
3.3 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 | 17 +++++++++++++++++
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libmultipath/config.h | 1 +
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multipath/multipath.rules | 1 +
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multipathd/multipathd.service | 1 +
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4 files changed, 20 insertions(+)
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diff --git a/libmultipath/config.c b/libmultipath/config.c
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index bb6619b..aae69b8 100644
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--- a/libmultipath/config.c
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+++ b/libmultipath/config.c
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@@ -25,6 +25,7 @@
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#include "prio.h"
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#include "devmapper.h"
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#include "mpath_cmd.h"
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+#include "version.h"
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static int
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hwe_strmatch (struct hwentry *hwe1, struct hwentry *hwe2)
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@@ -667,6 +668,22 @@ load_config (char * file)
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factorize_hwtable(conf->hwtable, builtin_hwtable_size);
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}
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+ } else {
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+ condlog(0, "/etc/multipath.conf does not exist, blacklisting all devices.");
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+ condlog(0, "A default multipath.conf file is located at");
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+ condlog(0, "/usr/share/doc/device-mapper-multipath-%d.%d.%d/multipath.conf", MULTIPATH_VERSION(VERSION_CODE));
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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 ffc69b5..614331c 100644
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--- a/libmultipath/config.h
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+++ b/libmultipath/config.h
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@@ -7,6 +7,7 @@
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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 4d78b98..5753766 100644
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--- a/multipath/multipath.rules
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+++ b/multipath/multipath.rules
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@@ -6,6 +6,7 @@ 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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KERNEL=="dm-*", GOTO="check_kpartx"
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ENV{DEVTYPE}!="partition", GOTO="test_dev"
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diff --git a/multipathd/multipathd.service b/multipathd/multipathd.service
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index fd66cf6..fafd088 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-lvmetad.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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2.7.4
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