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generic/475: fix confusing comment

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The comment about the dmerror switcheroo is hard to understand and
wrong.  Fix both problems by rewriting it.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
2018-05-21 09:07:34 -07:00
committed by Eryu Guan
parent 78f713a198
commit 954f28239b
1 changed files with 5 additions and 3 deletions
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tests/generic/475
+5 -3
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@@ -73,9 +73,11 @@ for i in $(seq 1 $((50 * TIME_FACTOR)) ); do
# recovery
sleep $((RANDOM % 3))
# Loading error table without "--nolockfs" option. Because "--nolockfs"
# won't freeze fs, then some running I/Os may cause XFS to shutdown
# prematurely. That's not what we want to test.
# This test aims to simulate sudden disk failure, which means that we
# do not want to quiesce the filesystem or otherwise give it a chance
# to flush its logs. Therefore we want to call dmsetup with the
# --nolockfs parameter; to make this happen we must call the load
# error table helper *without* 'lockfs'.
_dmerror_load_error_table
ps -e | grep fsstress > /dev/null 2>&1