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From 8ab9d11b925e7f39b350ce69a1e28752de411b35 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.com>
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Date: Tue, 24 Apr 2018 22:04:55 +0200
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Subject: [PATCH] tests/udev-test.pl: add multiple device test
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Add 4 new tests using multiple devices. Number 2-4 use many
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devices claiming the same symlink, where only one device has
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a higher priority thatn the others. They fail sporadically with
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the current code, if a race condition causes the symlink to point
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to the wrong device. Test 4 is like test 2 with sleeps in between,
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it's much less likely to fail.
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(cherry picked from commit 4a0ec82daf32446519e1d86329bb802325b82104)
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Related: #1642728
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---
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test/udev-test.pl | 169 ++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 169 insertions(+)
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diff --git a/test/udev-test.pl b/test/udev-test.pl
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index 813be70739..d964c664b6 100755
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--- a/test/udev-test.pl
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+++ b/test/udev-test.pl
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@@ -2085,6 +2085,175 @@ KERNEL=="sda", TAG+="aaa" \\
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KERNEL=="sdb", TAG+="bbb"
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TAGS=="foo", SYMLINK+="found"
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TAGS=="aaa", SYMLINK+="bad"
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+EOF
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+ },
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+ {
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+ desc => "multiple devices",
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+ devices => [
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
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+ exp_links => ["part-1"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
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+ exp_links => ["part-5"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6",
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+ exp_links => ["part-6"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda7",
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+ exp_links => ["part-7"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda8",
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+ exp_links => ["part-8"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda9",
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+ exp_links => ["part-9"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda10",
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+ exp_links => ["part-10"],
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+ },
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+ ],
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+ rules => <
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="part-%n"
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+EOF
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+ },
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+ {
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+ desc => "multiple devices, same link name, positive prio",
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+ devices => [
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
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+ exp_links => ["part-1"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
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+ exp_links => ["part-5"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-6"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda7",
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+ exp_links => ["part-7", "partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda8",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-8"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda9",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-9"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda10",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-10"],
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+ },
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+ ],
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+ rules => <
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="part-%n"
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="partition"
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+KERNEL=="*7", OPTIONS+="link_priority=10"
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+EOF
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+ },
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+ {
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+ desc => "multiple devices, same link name, negative prio",
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+ devices => [
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
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+ exp_links => ["part-1"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
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+ exp_links => ["part-5"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-6"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda7",
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+ exp_links => ["part-7", "partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda8",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-8"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda9",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-9"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda10",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-10"],
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+ },
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+ ],
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+ rules => <
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="part-%n"
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="partition"
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+KERNEL!="*7", OPTIONS+="link_priority=-10"
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+EOF
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+ },
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+ {
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+ desc => "multiple devices, same link name, positive prio, sleep",
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+ devices => [
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
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+ exp_links => ["part-1"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
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+ exp_links => ["part-5"],
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+ not_exp_links => ["partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-6"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda7",
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+ exp_links => ["part-7", "partition"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda8",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-8"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda9",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-9"],
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+ },
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+ {
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+ devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda10",
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+ not_exp_links => ["partition"],
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+ exp_links => ["part-10"],
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+ },
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+ ],
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+ sleep_us => 10000,
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+ rules => <
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="part-%n"
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+SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNEL=="sda?*", ENV{DEVTYPE}=="partition", SYMLINK+="partition"
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+KERNEL=="*7", OPTIONS+="link_priority=10"
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EOF
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},
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);
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