btrfs: test for alien btrfs-devices

Test if btrfs.ko sucessfully identifies and reports the missing
device, if the missed device contians someother btrfs.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/tests/btrfs/197 b/tests/btrfs/197
new file mode 100755 (executable)
index 0000000..0f84774
--- /dev/null
+++ b/tests/btrfs/197
@@ -0,0 +1,88 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2019 Oracle.  All Rights Reserved.
+#
+# FS QA Test 197
+#
+# Test stale and alien btrfs-device in the fs devices list.
+#  Bug fixed in the kernel patch:
+#   btrfs: include non-missing as a qualifier for the latest_bdev
+#   btrfs: remove identified alien btrfs device in open_fs_devices
+#
+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()
+{
+       $UMOUNT_PROG $TEST_DIR/$seq.mnt >/dev/null 2>&1
+       rm -rf $TEST_DIR/$seq.mnt
+       cd /
+       rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/filter.btrfs
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+_supported_os Linux
+_supported_fs btrfs
+_require_test
+_require_scratch
+_require_scratch_dev_pool 5
+
+workout()
+{
+       raid=$1
+       device_nr=$2
+
+       echo $raid
+       _scratch_dev_pool_get $device_nr
+       _spare_dev_get
+
+       _mkfs_dev $SPARE_DEV
+       mkdir -p $TEST_DIR/$seq.mnt
+       _mount $SPARE_DEV $TEST_DIR/$seq.mnt
+
+       _scratch_pool_mkfs "-d$raid -m$raid" >> $seqres.full 2>&1 || \
+                                                       _fail "mkfs failed"
+
+       # Make device_1 an alien btrfs device for the raid created above by
+       # adding it to the $TEST_DIR/$seq.mnt
+
+       # don't test with the first device as auto fs check (_check_scratch_fs)
+       # picks the first device
+       device_1=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
+       $BTRFS_UTIL_PROG device add -f "$device_1" "$TEST_DIR/$seq.mnt"
+
+       device_2=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
+       _mount -o degraded $device_2 $SCRATCH_MNT
+       # Check if missing device is reported as in the .out
+       $BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | \
+                                               _filter_btrfs_filesystem_show
+
+       $BTRFS_UTIL_PROG device remove "$device_1" "$TEST_DIR/$seq.mnt"
+       $UMOUNT_PROG $TEST_DIR/$seq.mnt
+       _scratch_unmount
+       _spare_dev_put
+       _scratch_dev_pool_put
+}
+
+workout "raid1" "2"
+workout "raid5" "3"
+workout "raid6" "4"
+workout "raid10" "4"
+
+# success, all done
+status=0
+exit

diff --git a/tests/btrfs/197.out b/tests/btrfs/197.out
new file mode 100644 (file)
index 0000000..79237b8
--- /dev/null
+++ b/tests/btrfs/197.out
@@ -0,0 +1,25 @@
+QA output created by 197
+raid1
+Label: none  uuid: <UUID>
+       Total devices <NUM> FS bytes used <SIZE>
+       devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
+       *** Some devices missing
+
+raid5
+Label: none  uuid: <UUID>
+       Total devices <NUM> FS bytes used <SIZE>
+       devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
+       *** Some devices missing
+
+raid6
+Label: none  uuid: <UUID>
+       Total devices <NUM> FS bytes used <SIZE>
+       devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
+       *** Some devices missing
+
+raid10
+Label: none  uuid: <UUID>
+       Total devices <NUM> FS bytes used <SIZE>
+       devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
+       *** Some devices missing
+

diff --git a/tests/btrfs/group b/tests/btrfs/group
index c2ab3e7de9b683b1b7141c498a4c04fae08f81a0..208720efba61468ef425e0166c6bc293ca6c90bd 100644 (file)
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -199,3 +199,4 @@
 194 auto volume
 195 auto volume
 196 auto metadata log volume
+197 auto quick volume