From: kaixuxia Date: Thu, 31 Oct 2019 06:41:49 +0000 (+0800) Subject: generic: test the deadlock between the AGI and AGF with RENAME_WHITEOUT X-Git-Tag: v2022.05.01~967 X-Git-Url: http://git.apps.os.sepia.ceph.com/?p=xfstests-dev.git;a=commitdiff_plain;h=0f211f5bca402fabdbb526a5f5010dce956c7fd1 generic: test the deadlock between the AGI and AGF with RENAME_WHITEOUT There is ABBA deadlock bug in XFS between the AGI and AGF when performing rename() with RENAME_WHITEOUT flag, and add this testcase to make sure the rename() call works well. Though this is a xfs-specific bug, the reproducer has no xfs-specific part. Signed-off-by: kaixuxia Reviewed-by: Brian Foster Signed-off-by: Eryu Guan --- diff --git a/tests/generic/585 b/tests/generic/585 new file mode 100755 index 00000000..f815da55 --- /dev/null +++ b/tests/generic/585 @@ -0,0 +1,56 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 Tencent. All Rights Reserved. +# +# FS QA Test No. 585 +# +# Regression test for: +# bc56ad8c74b8: ("xfs: Fix deadlock between AGI and AGF with RENAME_WHITEOUT") +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/renameat2 + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_os Linux +_supported_fs generic +_require_scratch +_require_renameat2 whiteout + +_scratch_mkfs > $seqres.full 2>&1 || _fail "mkfs failed" +_scratch_mount >> $seqres.full 2>&1 + +# start a create and rename(rename_whiteout) workload. These processes +# occur simultaneously may cause the deadlock between AGI and AGF with +# RENAME_WHITEOUT. +$FSSTRESS_PROG -z -n 150 -p 100 \ + -f mknod=5 \ + -f rwhiteout=5 \ + -d $SCRATCH_MNT/fsstress >> $seqres.full 2>&1 + +echo Silence is golden + +# Failure comes in the form of a deadlock. + +# success, all done +status=0 +exit diff --git a/tests/generic/585.out b/tests/generic/585.out new file mode 100644 index 00000000..e4dd43b1 --- /dev/null +++ b/tests/generic/585.out @@ -0,0 +1,2 @@ +QA output created by 585 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 42ca2b91..e5d0c1da 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -587,3 +587,4 @@ 582 auto quick encrypt 583 auto quick encrypt 584 auto quick encrypt +585 auto rename