#! /bin/bash # SPDX-License-Identifier: GPL-2.0 # Copyright (c) 2018 Oracle. All Rights Reserved. # # FS QA Test 162 # # Nested seed device test # Create a seed device # Create a sprout device # Make the sprout device a seed device and create a sprout device again # 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 $seqres.full # real QA test starts here # Modify as appropriate. _supported_fs btrfs _supported_os Linux _require_command "$BTRFS_TUNE_PROG" btrfstune _require_scratch_dev_pool 3 _scratch_dev_pool_get 3 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}') dev_sprout_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $2}') dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $3}') create_seed() { _mkfs_dev $dev_seed run_check _mount $dev_seed $SCRATCH_MNT $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\ /dev/null echo -- gloden -- od -x $SCRATCH_MNT/foobar _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT _scratch_unmount $BTRFS_TUNE_PROG -S 1 $dev_seed } create_sprout_seed() { run_check _mount $dev_seed $SCRATCH_MNT _run_btrfs_util_prog device add -f $dev_sprout_seed $SCRATCH_MNT _scratch_unmount $BTRFS_TUNE_PROG -S 1 $dev_sprout_seed } create_next_sprout() { run_check _mount $dev_sprout_seed $SCRATCH_MNT _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT _scratch_unmount run_check _mount $dev_sprout $SCRATCH_MNT echo -- sprout -- od -x $SCRATCH_MNT/foobar } create_seed create_sprout_seed create_next_sprout _scratch_dev_pool_put status=0 exit