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60 lines
1.5 KiB
60 lines
1.5 KiB
From c6c7bce5a3064ac9d2956ae42ecab27f2e33dc2b Mon Sep 17 00:00:00 2001
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From: Yu Kuai <yukuai3@huawei.com>
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Date: Mon, 29 May 2023 21:28:26 +0800
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Subject: [PATCH 151/165] tests: add a regression test for raid456 deadlock
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again
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This is a regression test for commit ("md/raid5: fix a deadlock in the
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case that reshape is interrupted").
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Signed-off-by: Yu Kuai <yukuai3@huawei.com>
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Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
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---
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tests/25raid456-reshape-deadlock | 34 ++++++++++++++++++++++++++++++++
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1 file changed, 34 insertions(+)
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create mode 100644 tests/25raid456-reshape-deadlock
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diff --git a/tests/25raid456-reshape-deadlock b/tests/25raid456-reshape-deadlock
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new file mode 100644
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index 00000000..bfa0cc56
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--- /dev/null
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+++ b/tests/25raid456-reshape-deadlock
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@@ -0,0 +1,34 @@
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+devs="$dev0 $dev1 $dev2"
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+
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+set_up_test()
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+{
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+ mdadm -Cv -R -n 3 -l5 $md0 $devs --size=50M || die "create array failed"
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+ mdadm -a $md0 $dev3 || die "failed to bind new disk to array"
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+ echo 1000 > /sys/block/md0/md/sync_speed_max
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+}
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+
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+clean_up_test()
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+{
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+ echo idle > /sys/block/md0/md/sync_action
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+ mdadm -S $md0
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+}
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+
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+trap 'clean_up_test' EXIT
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+
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+set_up_test || die "set up test failed"
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+
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+# trigger reshape
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+mdadm --grow -l 6 $md0
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+sleep 1
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+
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+# stop reshape
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+echo frozen > /sys/block/md0/md/sync_action
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+
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+# read accross reshape
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+dd if=$md0 of=/dev/NULL bs=1m count=100 iflag=direct &> /dev/null &
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+sleep 2
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+
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+# suspend array
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+echo 1 > /sys/block/md0/md/suspend_lo
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+
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+exit 0
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--
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2.40.1
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