| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017 Oracle. All Rights Reserved. |
| # |
| # FS QA Test 151 |
| # |
| # Test if it's losing data chunk's raid profile after 'btrfs device |
| # remove'. |
| # |
| # The fix is |
| # Btrfs: avoid losing data raid profile when deleting a device |
| # |
| 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 |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| |
| # Modify as appropriate. |
| _supported_fs btrfs |
| _require_scratch |
| _require_scratch_dev_pool 3 |
| _require_btrfs_dev_del_by_devid |
| |
| # We need exactly 3 disks to form a fixed stripe layout for this test. |
| _scratch_dev_pool_get 3 |
| |
| # create raid1 for data |
| _scratch_pool_mkfs "-d raid1 -b 1G" >> $seqres.full 2>&1 |
| |
| # we need an empty data chunk, so nospace_cache is required. |
| _scratch_mount -onospace_cache |
| |
| # if data chunk is empty, 'btrfs device remove' can change raid1 to |
| # single. |
| $BTRFS_UTIL_PROG device delete 2 $SCRATCH_MNT >> $seqres.full 2>&1 |
| |
| # save btrfs filesystem df output for debug purpose |
| $BTRFS_UTIL_PROG filesystem df $SCRATCH_MNT 2>&1 | \ |
| tee -a $seqres.full | $AWK_PROG -F ':' '/Data,/ {print $1}' |
| |
| _scratch_dev_pool_put |
| |
| # success, all done |
| status=0 |
| exit |