[PATCH 11/11] xfs: Stress test with with bmap_alloc_minlen_extent error tag enabled

[Chandan Babu R <chandanrlinux@gmail.com>]

This commit adds a stress test that executes fsstress with
bmap_alloc_minlen_extent error tag enabled.

Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
---
 tests/xfs/531     | 85 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/531.out |  6 ++++
 tests/xfs/group   |  1 +
 3 files changed, 92 insertions(+)
 create mode 100755 tests/xfs/531
 create mode 100644 tests/xfs/531.out

diff --git a/tests/xfs/531 b/tests/xfs/531
new file mode 100755
index 00000000..e846cc0e
--- /dev/null
+++ b/tests/xfs/531
@@ -0,0 +1,85 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 Chandan Babu R.  All Rights Reserved.
+#
+# FS QA Test 531
+#
+# Execute fsstress with bmap_alloc_minlen_extent error tag enabled.
+#
+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/inject
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+
+_supported_fs xfs
+_require_scratch
+_require_xfs_debug
+_require_test_program "punch-alternating"
+_require_xfs_io_error_injection "bmap_alloc_minlen_extent"
+
+echo "Format and mount fs"
+_scratch_mkfs_sized $((1024 * 1024 * 1024)) >> $seqres.full
+_scratch_mount >> $seqres.full
+
+bsize=$(_get_block_size $SCRATCH_MNT)
+
+testfile=$SCRATCH_MNT/testfile
+
+echo "Consume free space"
+dd if=/dev/zero of=${testfile} bs=${bsize} >> $seqres.full 2>&1
+sync
+
+echo "Create fragmented filesystem"
+$here/src/punch-alternating $testfile >> $seqres.full
+sync
+
+echo "Inject bmap_alloc_minlen_extent error tag"
+xfs_io -x -c 'inject bmap_alloc_minlen_extent' $SCRATCH_MNT
+
+echo "Execute fsstress in background"
+$FSSTRESS_PROG -d $SCRATCH_MNT -p128 -n999999999 \
+		 -f bulkstat=0 \
+		 -f bulkstat1=0 \
+		 -f fiemap=0 \
+		 -f getattr=0 \
+		 -f getdents=0 \
+		 -f getfattr=0 \
+		 -f listfattr=0 \
+		 -f mread=0 \
+		 -f read=0 \
+		 -f readlink=0 \
+		 -f readv=0 \
+		 -f stat=0 \
+		 -f aread=0 \
+		 -f dread=0 > /dev/null 2>&1 &
+
+fsstress_pid=$!
+sleep 2m
+
+echo "Killing fsstress process $fsstress_pid ..." >> $seqres.full
+kill $fsstress_pid >> $seqres.full
+wait $fsstress_pid
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/531.out b/tests/xfs/531.out
new file mode 100644
index 00000000..e0a419c2
--- /dev/null
+++ b/tests/xfs/531.out
@@ -0,0 +1,6 @@
+QA output created by 531
+Format and mount fs
+Consume free space
+Create fragmented filesystem
+Inject bmap_alloc_minlen_extent error tag
+Execute fsstress in background
diff --git a/tests/xfs/group b/tests/xfs/group
index 81a15582..f4cb5af6 100644
--- a/tests/xfs/group
+++ b/tests/xfs/group
@@ -528,3 +528,4 @@
 528 auto quick reflink
 529 auto quick reflink
 530 auto quick
+531 auto stress
-- 
2.28.0