Test if btrfs.ko sucessfully identifies and reports the missing device, if the missed device contians no btrfs magic string. Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx> --- v2: Comments added to list kernel patch required to pass the test case Fix copy and paste error in the comment tests/btrfs/198 | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/198.out | 25 +++++++++++++++++ tests/btrfs/group | 1 + 3 files changed, 105 insertions(+) create mode 100755 tests/btrfs/198 create mode 100644 tests/btrfs/198.out diff --git a/tests/btrfs/198 b/tests/btrfs/198 new file mode 100755 index 000000000000..c4c651b310c8 --- /dev/null +++ b/tests/btrfs/198 @@ -0,0 +1,79 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 Oracle. All Rights Reserved. +# +# FS QA Test 198 +# +# Test stale and alien non-btrfs device in the fs devices list. +# Bug fixed in: +# btrfs: remove identified alien 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() +{ + 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 $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs generic +_supported_os Linux +_require_command "$WIPEFS_PROG" wipefs +_require_scratch +_require_scratch_dev_pool 4 + +workout() +{ + raid=$1 + device_nr=$2 + + echo $raid + _scratch_dev_pool_get $device_nr + + _scratch_pool_mkfs "-d$raid -m$raid" >> $seqres.full 2>&1 || \ + _fail "mkfs failed" + + # Make device_1 a free btrfs device for the raid created above by + # clearing its superblock + + # don't test with the first device as auto fs check (_check_scratch_fs) + # picks the first device + device_1=$(echo $SCRATCH_DEV_POOL | awk '{print $2}') + $WIPEFS_PROG -a $device_1 >> $seqres.full 2>&1 + + device_2=$(echo $SCRATCH_DEV_POOL | awk '{print $1}') + _mount -o degraded $device_2 $SCRATCH_MNT + # Check if missing device is reported as in the 196.out + $BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | \ + _filter_btrfs_filesystem_show + + _scratch_unmount + _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/198.out b/tests/btrfs/198.out new file mode 100644 index 000000000000..af904a39efd6 --- /dev/null +++ b/tests/btrfs/198.out @@ -0,0 +1,25 @@ +QA output created by 198 +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 208720efba61..94961044f1fe 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -200,3 +200,4 @@ 195 auto volume 196 auto metadata log volume 197 auto quick volume +198 auto quick volume -- 1.8.3.1