diff mbox

[-v2] overlay: stress test changes to top and bottom layers simultaneously

Message ID 20161222164310.9615-1-tytso@mit.edu (mailing list archive)
State New, archived
Headers show

Commit Message

Theodore Ts'o Dec. 22, 2016, 4:43 p.m. UTC 
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 <tytso@mit.edu>
---
 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

Comments

Amir Goldstein Dec. 22, 2016, 5:25 p.m. UTC | #1 
On Thu, Dec 22, 2016 at 6:43 PM, Theodore Ts'o <tytso@mit.edu> wrote:
> 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 <tytso@mit.edu>
> ---
>  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

You probably meant:
019 auto stress
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diff mbox

Patch

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