There is ABBA deadlock bug between the AGI and AGF when performing
rename() with RENAME_WHITEOUT flag, and add this testcase to make
sure the rename() call works well.
Signed-off-by: kaixuxia <kaixuxia@xxxxxxxxxxx>
---
tests/generic/579 | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/579.out | 2 ++
tests/generic/group | 1 +
3 files changed, 59 insertions(+)
create mode 100755 tests/generic/579
create mode 100644 tests/generic/579.out
diff --git a/tests/generic/579 b/tests/generic/579
new file mode 100755
index 0000000..d6b0042
--- /dev/null
+++ b/tests/generic/579
@@ -0,0 +1,56 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2019 Tencent. All Rights Reserved.
+#
+# FS QA Test No. 579
+#
+# 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 100 -p 100 \
+ -f creat=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/579.out b/tests/generic/579.out
new file mode 100644
index 0000000..06f4633
--- /dev/null
+++ b/tests/generic/579.out
@@ -0,0 +1,2 @@
+QA output created by 579
+Silence is golden
diff --git a/tests/generic/group b/tests/generic/group
index 6f9c4e1..21870d2 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -581,3 +581,4 @@
576 auto quick verity encrypt
577 auto quick verity
578 auto quick rw clone
+579 auto rename
--
1.8.3.1
--
kaixuxia
