39 lines
2.0 KiB
Diff
39 lines
2.0 KiB
Diff
From cc3214c24425eb283dd46435345c28e5398b3570 Mon Sep 17 00:00:00 2001
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From: Marian Csontos <mcsontos@redhat.com>
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Date: Thu, 16 May 2024 15:30:37 +0200
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Subject: [PATCH 5/7] Revert "11-dm-lvm.rules: don't restore
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DM_UDEV_DISABLE_OTHER_RULES_FLAG from db"
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This reverts commit 2b2f11a74cd5cc05f266fd0c65f0e55eb8bafd9f.
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---
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udev/11-dm-lvm.rules.in | 13 ++++++++-----
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1 file changed, 8 insertions(+), 5 deletions(-)
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diff --git a/udev/11-dm-lvm.rules.in b/udev/11-dm-lvm.rules.in
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index 5b0cc5242..5f04ab329 100644
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--- a/udev/11-dm-lvm.rules.in
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+++ b/udev/11-dm-lvm.rules.in
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@@ -26,11 +26,14 @@ IMPORT{program}="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows
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# to zero any stale metadata found within the LV data area. Such stale
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# metadata could cause false claim of the LV device, keeping it open etc.
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#
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-# If the NOSCAN flag is present, set DM_UDEV_DISABLE_OTHER_RULES_FLAG
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-# so those selected rules are surely skipped.
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-# We don't need to save and restore the previous of DM_UDEV_DISABLE_OTHER_RULES_FLAG,
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-# that's taken care of in 10-dm.rules.
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-ENV{DM_SUBSYSTEM_UDEV_FLAG0}=="1", ENV{DM_NOSCAN}="1", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
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+# If the NOSCAN flag is present, backup selected existing flags used to
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+# disable rules, then set them firmly so those selected rules are surely skipped.
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+# Restore these flags once the NOSCAN flag is dropped (which is normally any
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+# uevent that follows for this LV, even an artificially generated one).
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+ENV{DM_SUBSYSTEM_UDEV_FLAG0}=="1", ENV{DM_NOSCAN}="1", ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="$env{DM_UDEV_DISABLE_OTHER_RULES_FLAG}", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
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+ENV{DM_SUBSYSTEM_UDEV_FLAG0}!="1", IMPORT{db}="DM_NOSCAN", IMPORT{db}="DM_DISABLE_OTHER_RULES_FLAG_OLD"
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+ENV{DM_SUBSYSTEM_UDEV_FLAG0}!="1", ENV{DM_NOSCAN}=="1", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="$env{DM_DISABLE_OTHER_RULES_FLAG_OLD}", \
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+ ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="", ENV{DM_NOSCAN}=""
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ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}=="1", GOTO="lvm_end"
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--
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2.44.0
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