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lvm2/0001-Revert-new-udev-autoactivation.patch

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From 63c4458aaf67d114c677baf657a7e9e43440f349 Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Mon, 20 Dec 2021 14:22:02 -0600
Subject: [PATCH 01/54] Revert "new udev autoactivation"
This reverts commit 67722b312390cdab29c076c912e14bd739c5c0f6.
---
scripts/Makefile.in | 1 +
test/shell/udev-pvscan-vgchange.sh | 403 -----------------------------
udev/69-dm-lvm.rules.in | 87 -------
udev/Makefile.in | 2 +-
5 files changed, 4 insertions(+), 492 deletions(-)
delete mode 100644 test/shell/udev-pvscan-vgchange.sh
delete mode 100644 udev/69-dm-lvm.rules.in
diff --git a/scripts/Makefile.in b/scripts/Makefile.in
index 0d7f45680..ee0acb6f6 100644
--- a/scripts/Makefile.in
+++ b/scripts/Makefile.in
@@ -92,6 +92,7 @@ install_systemd_generators:
install_systemd_units: install_dbus_service
@echo " [INSTALL] systemd_units"
$(Q) $(INSTALL_DIR) $(systemd_unit_dir)
+ $(Q) $(INSTALL_DATA) lvm2-pvscan.service $(systemd_unit_dir)/lvm2-pvscan@.service
ifeq ("@BUILD_DMEVENTD@", "yes")
$(Q) $(INSTALL_DATA) dm_event_systemd_red_hat.socket $(systemd_unit_dir)/dm-event.socket
$(Q) $(INSTALL_DATA) dm_event_systemd_red_hat.service $(systemd_unit_dir)/dm-event.service
diff --git a/test/shell/udev-pvscan-vgchange.sh b/test/shell/udev-pvscan-vgchange.sh
deleted file mode 100644
index c81acf0ce..000000000
--- a/test/shell/udev-pvscan-vgchange.sh
+++ /dev/null
@@ -1,403 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright (C) 2021 Red Hat, Inc. All rights reserved.
-#
-# This copyrighted material is made available to anyone wishing to use,
-# modify, copy, or redistribute it subject to the terms and conditions
-# of the GNU General Public License v.2.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
-test_description='udev rule and systemd unit run vgchange'
-
-SKIP_WITH_LVMPOLLD=1
-SKIP_WITH_LVMLOCKD=1
-
-. lib/inittest
-
-#
-# $ cat /tmp/devs
-# /dev/sdb
-# /dev/sdc
-# /dev/sdd
-#
-# Specify this file as LVM_TEST_DEVICE_LIST=/tmp/devs
-# when running the test.
-#
-# This test will wipe these devices.
-#
-
-if [ -z ${LVM_TEST_DEVICE_LIST+x} ]; then echo "LVM_TEST_DEVICE_LIST is unset" && skip; else echo "LVM_TEST_DEVICE_LIST is set to '$LVM_TEST_DEVICE_LIST'"; fi
-
-test -e "$LVM_TEST_DEVICE_LIST" || skip
-
-num_devs=$(cat $LVM_TEST_DEVICE_LIST | wc -l)
-
-RUNDIR="/run"
-test -d "$RUNDIR" || RUNDIR="/var/run"
-PVS_ONLINE_DIR="$RUNDIR/lvm/pvs_online"
-VGS_ONLINE_DIR="$RUNDIR/lvm/vgs_online"
-PVS_LOOKUP_DIR="$RUNDIR/lvm/pvs_lookup"
-
-_clear_online_files() {
- # wait till udev is finished
- aux udev_wait
- rm -f "$PVS_ONLINE_DIR"/*
- rm -f "$VGS_ONLINE_DIR"/*
- rm -f "$PVS_LOOKUP_DIR"/*
-}
-
-test -d "$PVS_ONLINE_DIR" || mkdir -p "$PVS_ONLINE_DIR"
-test -d "$VGS_ONLINE_DIR" || mkdir -p "$VGS_ONLINE_DIR"
-test -d "$PVS_LOOKUP_DIR" || mkdir -p "$PVS_LOOKUP_DIR"
-_clear_online_files
-
-aux prepare_real_devs
-
-aux lvmconf 'devices/dir = "/dev"'
-aux lvmconf 'devices/use_devicesfile = 1'
-DFDIR="$LVM_SYSTEM_DIR/devices"
-DF="$DFDIR/system.devices"
-mkdir $DFDIR || true
-not ls $DF
-
-get_real_devs
-
-wipe_all() {
- for dev in "${REAL_DEVICES[@]}"; do
- wipefs -a $dev
- done
-}
-
-# udevadm trigger runs udev rule which runs systemd-run --no-wait vgchange -aay
-# Because of --no-wait, we need to wait for the transient systemd
-# service to be gone before checking the effects of the vgchange.
-
-wait_lvm_activate() {
- local vgw=$1
- local wait=0
-
- while systemctl status lvm-activate-$vgw > /dev/null && test "$wait" -le 30; do
- sleep .2
- wait=$(( wait + 1 ))
- done
-}
-
-# Test requires 3 devs
-test $num_devs -gt 2 || skip
-BDEV1=$(basename "$dev1")
-BDEV2=$(basename "$dev2")
-BDEV3=$(basename "$dev3")
-
-wipe_all
-touch $DF
-for dev in "${REAL_DEVICES[@]}"; do
- pvcreate $dev
-done
-
-# 1 dev, 1 vg, 1 lv
-
-vgcreate $vg1 "$dev1"
-lvcreate -l1 -an -n $lv1 $vg1 "$dev1"
-
-PVID1=$(pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}')
-
-_clear_online_files
-udevadm trigger --settle -c add /sys/block/$BDEV1
-
-wait_lvm_activate $vg1
-
-ls "$RUNDIR/lvm/pvs_online/$PVID1"
-ls "$RUNDIR/lvm/vgs_online/$vg1"
-journalctl -u lvm-activate-$vg1 | tee out || true
-grep "now active" out
-check lv_field $vg1/$lv1 lv_active "active"
-
-vgchange -an $vg1
-vgremove -y $vg1
-
-
-# 2 devs, 1 vg, 2 lvs
-
-vgcreate $vg2 "$dev1" "$dev2"
-lvcreate -l1 -an -n $lv1 $vg2 "$dev1"
-lvcreate -l1 -an -n $lv2 $vg2 "$dev2"
-
-PVID1=$(pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}')
-PVID2=$(pvs "$dev2" --noheading -o uuid | tr -d - | awk '{print $1}')
-
-_clear_online_files
-
-udevadm trigger --settle -c add /sys/block/$BDEV1
-ls "$RUNDIR/lvm/pvs_online/$PVID1"
-not ls "$RUNDIR/lvm/vgs_online/$vg2"
-journalctl -u lvm-activate-$vg2 | tee out || true
-not grep "now active" out
-check lv_field $vg2/$lv1 lv_active ""
-check lv_field $vg2/$lv2 lv_active ""
-
-udevadm trigger --settle -c add /sys/block/$BDEV2
-ls "$RUNDIR/lvm/pvs_online/$PVID2"
-ls "$RUNDIR/lvm/vgs_online/$vg2"
-
-wait_lvm_activate $vg2
-
-journalctl -u lvm-activate-$vg2 | tee out || true
-grep "now active" out
-check lv_field $vg2/$lv1 lv_active "active"
-check lv_field $vg2/$lv2 lv_active "active"
-
-vgchange -an $vg2
-vgremove -y $vg2
-
-
-# 3 devs, 1 vg, 4 lvs, concurrent pvscans
-# (attempting to have the pvscans run concurrently and race
-# to activate the VG)
-
-vgcreate $vg3 "$dev1" "$dev2" "$dev3"
-lvcreate -l1 -an -n $lv1 $vg3 "$dev1"
-lvcreate -l1 -an -n $lv2 $vg3 "$dev2"
-lvcreate -l1 -an -n $lv3 $vg3 "$dev3"
-lvcreate -l8 -an -n $lv4 -i 2 $vg3 "$dev1" "$dev2"
-
-PVID1=$(pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}')
-PVID2=$(pvs "$dev2" --noheading -o uuid | tr -d - | awk '{print $1}')
-PVID3=$(pvs "$dev3" --noheading -o uuid | tr -d - | awk '{print $1}')
-
-_clear_online_files
-
-udevadm trigger -c add /sys/block/$BDEV1 &
-udevadm trigger -c add /sys/block/$BDEV2 &
-udevadm trigger -c add /sys/block/$BDEV3
-
-aux udev_wait
-wait_lvm_activate $vg3
-
-ls "$RUNDIR/lvm/pvs_online/$PVID1"
-ls "$RUNDIR/lvm/pvs_online/$PVID2"
-ls "$RUNDIR/lvm/pvs_online/$PVID3"
-ls "$RUNDIR/lvm/vgs_online/$vg3"
-journalctl -u lvm-activate-$vg3 | tee out || true
-grep "now active" out
-check lv_field $vg3/$lv1 lv_active "active"
-check lv_field $vg3/$lv2 lv_active "active"
-check lv_field $vg3/$lv3 lv_active "active"
-check lv_field $vg3/$lv4 lv_active "active"
-
-vgchange -an $vg3
-vgremove -y $vg3
-
-
-# 3 devs, 1 vg, 4 lvs, concurrent pvscans, metadata on only 1 PV
-
-wipe_all
-rm $DF
-touch $DF
-pvcreate --metadatacopies 0 "$dev1"
-pvcreate --metadatacopies 0 "$dev2"
-pvcreate "$dev3"
-
-vgcreate $vg4 "$dev1" "$dev2" "$dev3"
-lvcreate -l1 -an -n $lv1 $vg4 "$dev1"
-lvcreate -l1 -an -n $lv2 $vg4 "$dev2"
-lvcreate -l1 -an -n $lv3 $vg4 "$dev3"
-lvcreate -l8 -an -n $lv4 -i 2 $vg4 "$dev1" "$dev2"
-
-PVID1=$(pvs "$dev1" --noheading -o uuid | tr -d - | awk '{print $1}')
-PVID2=$(pvs "$dev2" --noheading -o uuid | tr -d - | awk '{print $1}')
-PVID3=$(pvs "$dev3" --noheading -o uuid | tr -d - | awk '{print $1}')
-
-_clear_online_files
-
-udevadm trigger -c add /sys/block/$BDEV1 &
-udevadm trigger -c add /sys/block/$BDEV2 &
-udevadm trigger -c add /sys/block/$BDEV3
-
-aux udev_wait
-wait_lvm_activate $vg4
-
-ls "$RUNDIR/lvm/pvs_online/$PVID1"
-ls "$RUNDIR/lvm/pvs_online/$PVID2"
-ls "$RUNDIR/lvm/pvs_online/$PVID3"
-ls "$RUNDIR/lvm/vgs_online/$vg4"
-journalctl -u lvm-activate-$vg4 | tee out || true
-grep "now active" out
-check lv_field $vg4/$lv1 lv_active "active"
-check lv_field $vg4/$lv2 lv_active "active"
-check lv_field $vg4/$lv3 lv_active "active"
-check lv_field $vg4/$lv4 lv_active "active"
-
-vgchange -an $vg4
-vgremove -y $vg4
-
-
-# 3 devs, 3 vgs, 2 lvs in each vg, concurrent pvscans
-
-wipe_all
-rm $DF
-touch $DF
-
-vgcreate $vg5 "$dev1"
-vgcreate $vg6 "$dev2"
-vgcreate $vg7 "$dev3"
-lvcreate -l1 -an -n $lv1 $vg5
-lvcreate -l1 -an -n $lv2 $vg5
-lvcreate -l1 -an -n $lv1 $vg6
-lvcreate -l1 -an -n $lv2 $vg6
-lvcreate -l1 -an -n $lv1 $vg7
-lvcreate -l1 -an -n $lv2 $vg7
-
-_clear_online_files
-
-udevadm trigger -c add /sys/block/$BDEV1 &
-udevadm trigger -c add /sys/block/$BDEV2 &
-udevadm trigger -c add /sys/block/$BDEV3
-
-aux udev_wait
-wait_lvm_activate $vg5
-wait_lvm_activate $vg6
-wait_lvm_activate $vg7
-
-ls "$RUNDIR/lvm/vgs_online/$vg5"
-ls "$RUNDIR/lvm/vgs_online/$vg6"
-ls "$RUNDIR/lvm/vgs_online/$vg7"
-journalctl -u lvm-activate-$vg5 | tee out || true
-grep "now active" out
-journalctl -u lvm-activate-$vg6 | tee out || true
-grep "now active" out
-journalctl -u lvm-activate-$vg7 | tee out || true
-grep "now active" out
-check lv_field $vg5/$lv1 lv_active "active"
-check lv_field $vg5/$lv2 lv_active "active"
-check lv_field $vg6/$lv1 lv_active "active"
-check lv_field $vg6/$lv2 lv_active "active"
-check lv_field $vg7/$lv1 lv_active "active"
-check lv_field $vg7/$lv2 lv_active "active"
-
-vgchange -an $vg5
-vgremove -y $vg5
-vgchange -an $vg6
-vgremove -y $vg6
-vgchange -an $vg7
-vgremove -y $vg7
-
-# 3 devs, 1 vg, 1000 LVs
-
-wipe_all
-rm $DF
-touch $DF
-pvcreate --metadatacopies 0 "$dev1"
-pvcreate "$dev2"
-pvcreate "$dev3"
-vgcreate -s 128K $vg8 "$dev1" "$dev2" "$dev3"
-
-# Number of LVs to create
-TEST_DEVS=1000
-# On low-memory boxes let's not stress too much
-test "$(aux total_mem)" -gt 524288 || TEST_DEVS=256
-
-vgcfgbackup -f data $vg8
-
-# Generate a lot of devices (size of 1 extent)
-awk -v TEST_DEVS=$TEST_DEVS '/^\t\}/ {
- printf("\t}\n\tlogical_volumes {\n");
- cnt=0;
- for (i = 0; i < TEST_DEVS; i++) {
- printf("\t\tlvol%06d {\n", i);
- printf("\t\t\tid = \"%06d-1111-2222-3333-2222-1111-%06d\"\n", i, i);
- print "\t\t\tstatus = [\"READ\", \"WRITE\", \"VISIBLE\"]";
- print "\t\t\tsegment_count = 1";
- print "\t\t\tsegment1 {";
- print "\t\t\t\tstart_extent = 0";
- print "\t\t\t\textent_count = 1";
- print "\t\t\t\ttype = \"striped\"";
- print "\t\t\t\tstripe_count = 1";
- print "\t\t\t\tstripes = [";
- print "\t\t\t\t\t\"pv0\", " cnt++;
- printf("\t\t\t\t]\n\t\t\t}\n\t\t}\n");
- }
- }
- {print}
-' data >data_new
-
-vgcfgrestore -f data_new $vg8
-
-_clear_online_files
-
-udevadm trigger -c add /sys/block/$BDEV1 &
-udevadm trigger -c add /sys/block/$BDEV2 &
-udevadm trigger -c add /sys/block/$BDEV3
-
-aux udev_wait
-wait_lvm_activate $vg8
-
-ls "$RUNDIR/lvm/vgs_online/$vg8"
-journalctl -u lvm-activate-$vg8 | tee out || true
-grep "now active" out
-
-num_active=$(lvs $vg8 --noheading -o active | grep active | wc -l)
-
-test $num_active -eq $TEST_DEVS
-
-vgchange -an $vg8
-vgremove -y $vg8
-
-# 1 pv on an md dev, 1 vg
-
-wait_md_create() {
- local md=$1
-
- while :; do
- if ! grep "$(basename $md)" /proc/mdstat; then
- echo "$md not ready"
- cat /proc/mdstat
- sleep 2
- else
- break
- fi
- done
- echo "$md" > WAIT_MD_DEV
-}
-
-test -f /proc/mdstat && grep -q raid1 /proc/mdstat || \
- modprobe raid1 || skip
-
-mddev="/dev/md33"
-not grep $mddev /proc/mdstat || skip
-
-wipe_all
-rm $DF
-touch $DF
-
-mdadm --create --metadata=1.0 "$mddev" --level 1 --chunk=64 --raid-devices=2 "$dev1" "$dev2"
-wait_md_create "$mddev"
-vgcreate $vg9 "$mddev"
-
-PVIDMD=`pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}'`
-BDEVMD=$(basename "$mddev")
-
-lvcreate -l1 -an -n $lv1 $vg9
-lvcreate -l1 -an -n $lv2 $vg9
-
-_clear_online_files
-
-udevadm trigger --settle -c add /sys/block/$BDEVMD
-
-wait_lvm_activate $vg9
-
-ls "$RUNDIR/lvm/vgs_online/$vg9"
-journalctl -u lvm-activate-$vg9 | tee out || true
-grep "now active" out
-check lv_field $vg9/$lv1 lv_active "active"
-check lv_field $vg9/$lv2 lv_active "active"
-
-vgchange -an $vg9
-vgremove -y $vg9
-
-mdadm --stop "$mddev"
-aux udev_wait
-wipe_all
-
diff --git a/udev/69-dm-lvm.rules.in b/udev/69-dm-lvm.rules.in
deleted file mode 100644
index 39e5b9807..000000000
--- a/udev/69-dm-lvm.rules.in
+++ /dev/null
@@ -1,87 +0,0 @@
-# Copyright (C) 2012,2021 Red Hat, Inc. All rights reserved.
-#
-# This file is part of LVM.
-#
-# This rule requires blkid to be called on block devices before so only devices
-# used as LVM PVs are processed (ID_FS_TYPE="LVM2_member").
-
-SUBSYSTEM!="block", GOTO="lvm_end"
-(LVM_EXEC_RULE)
-
-ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=="1", GOTO="lvm_end"
-
-# Only process devices already marked as a PV - this requires blkid to be called before.
-ENV{ID_FS_TYPE}!="LVM2_member", GOTO="lvm_end"
-ENV{DM_MULTIPATH_DEVICE_PATH}=="1", GOTO="lvm_end"
-ACTION=="remove", GOTO="lvm_end"
-
-# Create /dev/disk/by-id/lvm-pv-uuid-<PV_UUID> symlink for each PV
-ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-id/lvm-pv-uuid-$env{ID_FS_UUID_ENC}"
-
-# If the PV is a special device listed below, scan only if the device is
-# properly activated. These devices are not usable after an ADD event,
-# but they require an extra setup and they are ready after a CHANGE event.
-# Also support coldplugging with ADD event but only if the device is already
-# properly activated.
-# This logic should be eventually moved to rules where those particular
-# devices are processed primarily (MD and loop).
-
-# DM device:
-KERNEL!="dm-[0-9]*", GOTO="next"
-ENV{DM_UDEV_PRIMARY_SOURCE_FLAG}=="1", ENV{DM_ACTIVATION}=="1", GOTO="lvm_scan"
-GOTO="lvm_end"
-
-# MD device:
-LABEL="next"
-KERNEL!="md[0-9]*", GOTO="next"
-IMPORT{db}="LVM_MD_PV_ACTIVATED"
-ACTION=="add", ENV{LVM_MD_PV_ACTIVATED}=="1", GOTO="lvm_scan"
-ACTION=="change", ENV{LVM_MD_PV_ACTIVATED}!="1", TEST=="md/array_state", ENV{LVM_MD_PV_ACTIVATED}="1", GOTO="lvm_scan"
-ACTION=="add", KERNEL=="md[0-9]*p[0-9]*", GOTO="lvm_scan"
-ENV{LVM_MD_PV_ACTIVATED}!="1", ENV{SYSTEMD_READY}="0"
-GOTO="lvm_end"
-
-# Loop device:
-LABEL="next"
-KERNEL!="loop[0-9]*", GOTO="next"
-ACTION=="add", ENV{LVM_LOOP_PV_ACTIVATED}=="1", GOTO="lvm_scan"
-ACTION=="change", ENV{LVM_LOOP_PV_ACTIVATED}!="1", TEST=="loop/backing_file", ENV{LVM_LOOP_PV_ACTIVATED}="1", GOTO="lvm_scan"
-ENV{LVM_LOOP_PV_ACTIVATED}!="1", ENV{SYSTEMD_READY}="0"
-GOTO="lvm_end"
-
-LABEL="next"
-ACTION!="add", GOTO="lvm_end"
-
-LABEL="lvm_scan"
-
-ENV{SYSTEMD_READY}="1"
-
-# pvscan will check if this device completes a VG,
-# i.e. all PVs in the VG are now present with the
-# arrival of this PV. If so, it prints to stdout:
-# LVM_VG_NAME_COMPLETE='foo'
-#
-# When the VG is complete it can be activated, so
-# vgchange -aay <vgname> is run. It is run via
-# systemd since it can take longer to run than
-# udev wants to block when processing rules.
-# (if there are hundreds of LVs to activate,
-# the vgchange can take many seconds.)
-#
-# pvscan only reads the single device specified,
-# and uses temp files under /run/lvm to check if
-# other PVs in the VG are present.
-#
-# If event_activation=0 in lvm.conf, this pvscan
-# (using checkcomplete) will do nothing, so that
-# no event-based autoactivation will be happen.
-#
-# TODO: adjust the output of vgchange -aay so that
-# it's better suited to appearing in the journal.
-
-IMPORT{program}="(LVM_EXEC)/lvm pvscan --cache --listvg --checkcomplete --vgonline --udevoutput --journal=output $env{DEVNAME}"
-ENV{LVM_VG_NAME_COMPLETE}=="?*", RUN+="/usr/bin/systemd-run -r --no-block --property DefaultDependencies=no --unit lvm-activate-$env{LVM_VG_NAME_COMPLETE} lvm vgchange -aay --nohints $env{LVM_VG_NAME_COMPLETE}"
-GOTO="lvm_end"
-
-LABEL="lvm_end"
-
diff --git a/udev/Makefile.in b/udev/Makefile.in
index e777dda16..e32cba921 100644
--- a/udev/Makefile.in
+++ b/udev/Makefile.in
@@ -18,7 +18,7 @@ top_builddir = @top_builddir@
include $(top_builddir)/make.tmpl
DM_RULES=10-dm.rules 13-dm-disk.rules 95-dm-notify.rules
-LVM_RULES=11-dm-lvm.rules 69-dm-lvm.rules
+LVM_RULES=11-dm-lvm.rules 69-dm-lvm-metad.rules
DM_DIR=$(shell $(GREP) "\#define DM_DIR" $(top_srcdir)/libdm/misc/dm-ioctl.h | $(AWK) '{print $$3}')
--
2.34.3
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