From: Theodore Ts'o Subject: [PATCH -v2] overlay: stress test changes to top and bottom layers simultaneously Date: Wed, 11 Jan 2017 22:49:35 -0500 Message-ID: <20170112034938.5934-3-tytso@mit.edu> References: <20170112034938.5934-1-tytso@mit.edu> Cc: linux@sciencehorizons.net, Theodore Ts'o To: Ext4 Developers List Return-path: Received: from imap.thunk.org ([74.207.234.97]:37310 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752227AbdALDtt (ORCPT ); Wed, 11 Jan 2017 22:49:49 -0500 In-Reply-To: <20170112034938.5934-1-tytso@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: Introduce a test which runs fsstress on the top and bottom overlayfs directories simultaneously to find potential races that plagued wrapfs derived file systems. Signed-off-by: Theodore Ts'o --- tests/overlay/019 | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/overlay/019.out | 2 ++ tests/overlay/group | 1 + 3 files changed, 84 insertions(+) create mode 100644 tests/overlay/019 create mode 100644 tests/overlay/019.out diff --git a/tests/overlay/019 b/tests/overlay/019 new file mode 100644 index 00000000..1daf830f --- /dev/null +++ b/tests/overlay/019 @@ -0,0 +1,81 @@ +#! /bin/bash +# FS QA Test 019 +# +# Run fsstress on lower dir and top dir at the same time +# + +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 $seqres.full + +# real QA test starts here +_supported_fs overlay +_supported_os Linux +_require_scratch + +# Remove all files from previous tests +_scratch_mkfs + +lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR +mkdir -p $lowerdir + +_scratch_mount + +echo "Silence is golden" + +d_low=$lowerdir/fsstress +d_top=$SCRATCH_MNT/fsstress +mkdir -p $d_low $d_top + +echo $FSSTRESS_PROG -s 42 -d $d_low -p 4 -n 1000 -l100 -v > $seqres.full.1 +$FSSTRESS_PROG -s 42 -d $d_low -p 4 -n 1000 -l100 -v >> $seqres.full.1 2>&1 & + +echo $FSSTRESS_PROG -s 42 -d $d_top -p 4 -n 1000 -l100 -v > $seqres.full.2 +$FSSTRESS_PROG -s 42 -d $d_top -p 4 -n 1000 -l100 -v >> $seqres.full.2 2>&1 & + +ret=0 +if ! wait %1 +then + echo "--------------------------------------" >>$seqres.full.1 + echo "fsstress on lower directory returned $? - see $seqres.full.1" + echo "--------------------------------------" >>$seqres.full.1 + ret=1 +fi + +if ! wait %2 +then + echo "--------------------------------------" >>$seqres.full.2 + echo "fsstress on overlay directory returned $? - see $seqres.full.2" + echo "--------------------------------------" >>$seqres.full.2 + ret=1 +fi + +cat $seqres.full.1 $seqres.full.2 > $seqres.full +rm $seqres.full.1 $seqres.full.2 + +if [ "$ret" -eq 1 ] +then + status=1 +else + status=0 +fi + +exit $status diff --git a/tests/overlay/019.out b/tests/overlay/019.out new file mode 100644 index 00000000..163484bc --- /dev/null +++ b/tests/overlay/019.out @@ -0,0 +1,2 @@ +QA output created by 019 +Silence is golden diff --git a/tests/overlay/group b/tests/overlay/group index 74822cbf..f8de84be 100644 --- a/tests/overlay/group +++ b/tests/overlay/group @@ -21,3 +21,4 @@ 016 auto quick copyup 017 auto quick copyup 018 auto quick copyup +019 quick stress -- 2.11.0.rc0.7.gbe5a750