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From 4c3ce66158917f3fff65e25b5dde622bff3ec6f8 Mon Sep 17 00:00:00 2001
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From: Peter Rajnoha <prajnoha@redhat.com>
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Date: Thu, 6 Mar 2014 15:49:55 +0100
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Subject: [PATCH] rules: mark loop device as SYSTEMD_READY=0 if no file is
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attached
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Check existence of loop/backing_file in sysfs and mark loop
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devices with SYSTEMD_READY if missing. Such loop files is
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uninitialized and it's not ready for use yet (there's no file
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attached).
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---
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rules/99-systemd.rules.in | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/rules/99-systemd.rules.in b/rules/99-systemd.rules.in
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index 0e0a567..0471719 100644
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--- a/rules/99-systemd.rules.in
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+++ b/rules/99-systemd.rules.in
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@@ -25,6 +25,9 @@ SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="md*", ATTR{md/array_state}=="
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# Ignore nbd devices in the "add" event, with "change" the nbd is ready
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ACTION=="add", SUBSYSTEM=="block", KERNEL=="nbd*", ENV{SYSTEMD_READY}="0"
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+# Ignore loop devices that don't have any file attached
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+ACTION=="add|change", KERNEL=="loop[0-9]*", TEST!="loop/backing_file", ENV{SYSTEMD_READY}="0"
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+
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# We need a hardware independent way to identify network devices. We
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# use the /sys/subsystem path for this. Current vanilla kernels don't
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# actually support that hierarchy right now, however upcoming kernels
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