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systemd-mini.17931
0001-udev-don-t-create-by-partlabel-primary-and...
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File 0001-udev-don-t-create-by-partlabel-primary-and-.-logical.patch of Package systemd-mini.17931
From 34f38aa61d5189a0258982efd976da7d249a11d3 Mon Sep 17 00:00:00 2001 From: Martin Wilck <mwilck@suse.com> Date: Mon, 16 Apr 2018 23:03:27 +0200 Subject: [PATCH 1/2] udev: don't create by-partlabel/primary and .../logical symlinks These links are created by libstorage / parted by default. They are ambiguous and may be present hundred- or thousandfold on large systems. They are meaningless for device identification and may slow down udev processing. They aren't used anywhere. Don't create them. A service has been added to detect at boot cases that likely need to be fixed: a warning is thrown at both the console and syslog to encourage sysadmin to consult the relevant TID explaining how to permanently fix the issue. [fbui: added the detection part] [fbui: fixes bsc#1089761] --- Makefile.am | 2 ++ rules/60-persistent-storage.rules | 2 +- units/detect-part-label-duplicates.service | 16 ++++++++++++++++ 3 files changed, 19 insertions(+), 1 deletion(-) create mode 100644 units/detect-part-label-duplicates.service diff --git a/Makefile.am b/Makefile.am index 240d193eb..84563d4a9 100644 --- a/Makefile.am +++ b/Makefile.am @@ -489,6 +489,7 @@ dist_sysctl_DATA = \ sysctl.d/50-default.conf dist_systemunit_DATA = \ + units/detect-part-label-duplicates.service \ units/graphical.target \ units/multi-user.target \ units/emergency.target \ @@ -6586,6 +6587,7 @@ MULTI_USER_TARGET_WANTS += \ systemd-ask-password-wall.path SYSINIT_TARGET_WANTS += \ + detect-part-label-duplicates.service \ dev-hugepages.mount \ dev-mqueue.mount \ sys-kernel-config.mount \ diff --git a/rules/60-persistent-storage.rules b/rules/60-persistent-storage.rules index d2745f65f..5e803d639 100644 --- a/rules/60-persistent-storage.rules +++ b/rules/60-persistent-storage.rules @@ -92,6 +92,6 @@ ENV{DEVTYPE}=="partition", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-i # by-partlabel/by-partuuid links (partition metadata) ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}" -ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/by-partlabel/$env{ID_PART_ENTRY_NAME}" +ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", ENV{ID_PART_ENTRY_NAME}!="primary|logical", SYMLINK+="disk/by-partlabel/$env{ID_PART_ENTRY_NAME}" LABEL="persistent_storage_end" diff --git a/units/detect-part-label-duplicates.service b/units/detect-part-label-duplicates.service new file mode 100644 index 000000000..1fbca2114 --- /dev/null +++ b/units/detect-part-label-duplicates.service @@ -0,0 +1,16 @@ +[Unit] +Description=Detect if the system suffers from bsc#1089761 +ConditionDirectoryNotEmpty=/run/udev/data + +[Service] +RemainAfterExit=true +StandardOutput=syslog+console +SyslogLevel=warning +ExecStart=/bin/sh -c " \ + if [ $(grep -r "E:ID_PART_ENTRY_NAME=primary" /run/udev/data | wc -l) -ge 100 ]; then \ + echo 'Warning: a high number of partitions uses \"primary\" or \"logical\" as'; \ + echo 'partition label name, which may cause slow-down in the boot process.'; \ + echo 'To prevent it, a workaround is temporarly in place but we recommend to'; \ + echo 'refer to TID #7023057 in order to permanently fix this issue (as the'; \ + echo 'workaround will be dropped in the future).'; \ + fi" -- 2.18.0
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