[PATCH] xfs: Add test for too-small device with stripe geometry

[PATCH] xfs: Add test for too-small device with stripe geometry

[Pavel Reichl]

Verify hat an attempt to create a too-small device with stripe geometry,
is handled gracefully instead of hitting an assert in align_ag_geometry()

Signed-off-by: Pavel Reichl <preichl@redhat.com>
---
 tests/xfs/260     | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/260.out |  2 ++
 tests/xfs/group   |  1 +
 3 files changed, 57 insertions(+)
 create mode 100755 tests/xfs/260
 create mode 100644 tests/xfs/260.out

diff --git a/tests/xfs/260 b/tests/xfs/260
new file mode 100755
index 00000000..11c9dc1e
--- /dev/null
+++ b/tests/xfs/260
@@ -0,0 +1,54 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 YOUR NAME HERE.  All Rights Reserved.
+#
+# FS QA Test 260
+#
+# Verify that an attempt to create a too-small device with stripe geometry,
+# is handled gracefully instead of hitting an assert in align_ag_geometry()
+#
+# This test verifies the problem fixed in kernel with commit
+# (mkfs.xfs: fix ASSERT on too-small device with stripe geometry)
+#
+
+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
+
+echo 'Silence is golden'
+
+_supported_fs xfs
+_supported_os Linux
+_require_scratch
+
+_scratch_mkfs > $seqres.full 2>&1
+_scratch_mount
+
+localfile="${SCRATCH_MNT}/testfile"
+truncate --size=10444800 $localfile
+
+$MKFS_XFS_PROG -dsu=65536,sw=1 $localfile >> $seqres.full 2>&1
+
+[ $? -ne 1 ] && echo "${MKFS_XFS_PROG} should fail gracefully"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/260.out b/tests/xfs/260.out
new file mode 100644
index 00000000..18ca517c
--- /dev/null
+++ b/tests/xfs/260.out
@@ -0,0 +1,2 @@
+QA output created by 260
+Silence is golden
diff --git a/tests/xfs/group b/tests/xfs/group
index ed0d389e..7a6dfed7 100644
--- a/tests/xfs/group
+++ b/tests/xfs/group
@@ -257,6 +257,7 @@
 257 auto quick clone
 258 auto quick clone
 259 auto quick
+260 auto quick mkfs
 261 auto quick quota
 262 dangerous_fuzzers dangerous_scrub dangerous_online_repair
 263 auto quick quota
-- 
2.26.2

Re: [PATCH] xfs: Add test for too-small device with stripe geometry

[Darrick J. Wong]

On Thu, Sep 17, 2020 at 10:36:39PM +0200, Pavel Reichl wrote:
> Verify hat an attempt to create a too-small device with stripe geometry,
> is handled gracefully instead of hitting an assert in align_ag_geometry()
> 
> Signed-off-by: Pavel Reichl <preichl@redhat.com>
> ---
>  tests/xfs/260     | 54 +++++++++++++++++++++++++++++++++++++++++++++++
>  tests/xfs/260.out |  2 ++
>  tests/xfs/group   |  1 +
>  3 files changed, 57 insertions(+)
>  create mode 100755 tests/xfs/260
>  create mode 100644 tests/xfs/260.out
> 
> diff --git a/tests/xfs/260 b/tests/xfs/260
> new file mode 100755
> index 00000000..11c9dc1e
> --- /dev/null
> +++ b/tests/xfs/260
> @@ -0,0 +1,54 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2020 YOUR NAME HERE.  All Rights Reserved.
> +#
> +# FS QA Test 260
> +#
> +# Verify that an attempt to create a too-small device with stripe geometry,
> +# is handled gracefully instead of hitting an assert in align_ag_geometry()
> +#
> +# This test verifies the problem fixed in kernel with commit
> +# (mkfs.xfs: fix ASSERT on too-small device with stripe geometry)
> +#
> +
> +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
> +
> +echo 'Silence is golden'
> +
> +_supported_fs xfs
> +_supported_os Linux
> +_require_scratch
> +
> +_scratch_mkfs > $seqres.full 2>&1
> +_scratch_mount
> +
> +localfile="${SCRATCH_MNT}/testfile"
> +truncate --size=10444800 $localfile

You could put this file under $TEST_DIR and skip a bunch of formatting
and fsck runs of the scratch device.

--D

> +
> +$MKFS_XFS_PROG -dsu=65536,sw=1 $localfile >> $seqres.full 2>&1
> +
> +[ $? -ne 1 ] && echo "${MKFS_XFS_PROG} should fail gracefully"
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/xfs/260.out b/tests/xfs/260.out
> new file mode 100644
> index 00000000..18ca517c
> --- /dev/null
> +++ b/tests/xfs/260.out
> @@ -0,0 +1,2 @@
> +QA output created by 260
> +Silence is golden
> diff --git a/tests/xfs/group b/tests/xfs/group
> index ed0d389e..7a6dfed7 100644
> --- a/tests/xfs/group
> +++ b/tests/xfs/group
> @@ -257,6 +257,7 @@
>  257 auto quick clone
>  258 auto quick clone
>  259 auto quick
> +260 auto quick mkfs
>  261 auto quick quota
>  262 dangerous_fuzzers dangerous_scrub dangerous_online_repair
>  263 auto quick quota
> -- 
> 2.26.2
> 

Re: [PATCH] xfs: Add test for too-small device with stripe geometry

[Pavel Reichl]

>> +localfile="${SCRATCH_MNT}/testfile"
>> +truncate --size=10444800 $localfile
> 
> You could put this file under $TEST_DIR and skip a bunch of formatting
> and fsck runs of the scratch device.
> 
> --D
> 
OK, thanks. Next revision is on the list.