652daa1a21
Update source to upstream version 0.9.0
* Previous patches 0001-0005 are included in the commit.
* This version deprecates multiple options: mutlipath_dir, config_dir,
and
getuid_callout, along with the "default_" prefixed alternate names
for the default section parameters.
Add patches from upstream staging branch
* Patches 0001-0006 are from the upstream staging branch
Rename redhat patches
* Previous patches 0006-0016 are now patches 0007-0017
108 lines
3.9 KiB
Diff
108 lines
3.9 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 | 13 +++++++++++++
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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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multipathd/multipathd.socket | 1 +
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6 files changed, 19 insertions(+)
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diff --git a/libmultipath/config.c b/libmultipath/config.c
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index ab8b26e7..f06fcbf9 100644
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--- a/libmultipath/config.c
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+++ b/libmultipath/config.c
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@@ -955,6 +955,19 @@ int _init_config (const char *file, struct config *conf)
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}
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factorize_hwtable(conf->hwtable, builtin_hwtable_size, file);
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validate_pctable(conf->overrides, 0, 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, ".*", 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 36d40157..115b463b 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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enum devtypes {
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DEV_NONE,
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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 1e318bdc..6aab9325 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 aec62dbb..d76f94f9 100644
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--- a/multipathd/multipathd.service
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+++ b/multipathd/multipathd.service
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@@ -6,6 +6,7 @@ Wants=systemd-udevd-kernel.socket
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After=systemd-udevd-kernel.socket
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After=multipathd.socket systemd-remount-fs.service
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Before=initrd-cleanup.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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Conflicts=initrd-cleanup.service
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diff --git a/multipathd/multipathd.socket b/multipathd/multipathd.socket
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index c777e5e3..3c20a2ff 100644
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--- a/multipathd/multipathd.socket
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+++ b/multipathd/multipathd.socket
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@@ -1,6 +1,7 @@
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[Unit]
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Description=multipathd control socket
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DefaultDependencies=no
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+ConditionPathExists=/etc/multipath.conf
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ConditionKernelCommandLine=!nompath
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ConditionKernelCommandLine=!multipath=off
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ConditionVirtualization=!container
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