| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2014 Fujitsu. All Rights Reserved. |
| # |
| # FS QA Test No. btrfs/036 |
| # |
| # Regression test for running snapshots and send concurrently. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| snapshots_pid=0 |
| |
| _cleanup() |
| { |
| # kill backgroud snapshots |
| if [ $snapshots_pid -ne 0 ] && ps -p $snapshots_pid | grep -q $snapshots_pid; then |
| kill -TERM $snapshots_pid 2> /dev/null |
| wait $snapshots_pid |
| fi |
| rm -f $tmp.* |
| } |
| |
| do_snapshots() |
| { |
| # Wait for any running 'btrfs subvolume snapshot' subcommand before |
| # exitting so that after the test kills the subshell running this |
| # function, it does not fail with EBUSY when unmounting the scratch |
| # device. |
| trap "wait; exit" SIGTERM |
| |
| i=2 |
| while [ 1 ] |
| do |
| $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/snap_1 \ |
| $SCRATCH_MNT/snap_$i >> $seqres.full 2>&1 |
| let i=$i+1 |
| sleep 1 |
| done |
| } |
| |
| trap "_cleanup ; exit \$status" 0 1 2 3 15 |
| |
| # 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 |
| |
| _scratch_mkfs > /dev/null 2>&1 |
| _scratch_mount |
| |
| touch $SCRATCH_MNT/foo |
| |
| # get file with fragments by using backwards writes. |
| for i in `seq 10240 -1 1`; do |
| $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ |
| $SCRATCH_MNT/foo > /dev/null | _filter_xfs_io |
| done |
| |
| $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/snap_1 >> $seqres.full 2>&1 |
| |
| do_snapshots & |
| snapshots_pid=$! |
| |
| $BTRFS_UTIL_PROG send -f /dev/null $SCRATCH_MNT/snap_1 2>&1 | _filter_scratch |
| |
| status=0 ; exit |