From 8564bb8d8b5b23a3b143b6eb6cb8994e0cb1e439 Mon Sep 17 00:00:00 2001 From: Wang Shilong Date: Tue, 18 Feb 2014 17:50:23 +1100 Subject: [PATCH] btrfs: add a regression test for running snapshot and send concurrently Btrfs would fail to send if snapshot run concurrently, this test is to make sure we have fixed the bug. Signed-off-by: Wang Shilong Reviewed-by: Josef Bacik Signed-off-by: Dave Chinner --- tests/btrfs/036 | 85 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/036.out | 2 ++ tests/btrfs/group | 1 + 3 files changed, 88 insertions(+) create mode 100755 tests/btrfs/036 create mode 100644 tests/btrfs/036.out diff --git a/tests/btrfs/036 b/tests/btrfs/036 new file mode 100755 index 00000000..57ad7371 --- /dev/null +++ b/tests/btrfs/036 @@ -0,0 +1,85 @@ +#!/bin/bash +# FS QA Test No. btrfs/036 +# +# Regression test for running snapshots and send concurrently. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Fujitsu. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# + +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 + fi + rm -f $tmp.* +} + +do_snapshots() +{ + 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 + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_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 $SCRATCH_MNT/snap_1 -f /dev/null 2>&1 | _filter_scratch + +status=0 ; exit diff --git a/tests/btrfs/036.out b/tests/btrfs/036.out new file mode 100644 index 00000000..605443be --- /dev/null +++ b/tests/btrfs/036.out @@ -0,0 +1,2 @@ +QA output created by 036 +At subvol SCRATCH_MNT/snap_1 diff --git a/tests/btrfs/group b/tests/btrfs/group index bee57cba..bbe6d2dc 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -38,3 +38,4 @@ 033 auto quick 034 auto quick 035 auto quick +036 auto quick -- 2.39.5