| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2020 Oracle. All Rights Reserved. |
| # |
| # FS QA Test 216 |
| # |
| # Test if the show_devname() returns sprout device instead of seed device. |
| # |
| # Fixed in kernel patch: |
| # btrfs: btrfs_show_devname don't traverse into the seed fsid |
| |
| 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 $seqres.full |
| |
| # real QA test starts here |
| _supported_fs btrfs |
| _require_scratch_dev_pool 2 |
| |
| _scratch_dev_pool_get 2 |
| |
| seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}') |
| sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}') |
| |
| _mkfs_dev $seed |
| $BTRFS_TUNE_PROG -S 1 $seed |
| _mount $seed $SCRATCH_MNT >> $seqres.full 2>&1 |
| cat /proc/self/mounts | grep $seed >> $seqres.full |
| $BTRFS_UTIL_PROG device add -f $sprout $SCRATCH_MNT |
| cat /proc/self/mounts | grep $sprout >> $seqres.full |
| |
| # check if the show_devname() returns the sprout device instead of seed device. |
| dev=$(grep $SCRATCH_MNT /proc/self/mounts | $AWK_PROG '{print $1}') |
| |
| if [ "$sprout" != "$dev" ]; then |
| echo "Unexpected device: $dev, expected $sprout" |
| fi |
| echo "Silence is golden" |
| |
| _scratch_dev_pool_put |
| |
| # success, all done |
| status=0 |
| exit |