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Tue, 25 Feb 2020 14:31:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582641103; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8NrlLHdPEWlYNVKMX5mYs4xVk+uC86xfgXcftrsMAm4=; b=PkHIRAIDVEkG0BGzaXJDJB63N1EpeYsju9qUmxNdXfFdedzO4w1M2Rv6GvZZ61G8QS/vmP lfyydv6OOWNCfbXk3SSSRVNo1HS700bDg14mbHOLygIens4hZhk7jxF+z83nQeGSABcAkR 8goGBIj+fxhB4k/5z/FUqZvA/lJixIE= X-MC-Unique: Sbe32j4YNeik9p6GPuPgVw-1 From: Max Reitz To: qemu-block@nongnu.org Subject: [PATCH 3/3] iotests/026: Test EIO on allocation in a data-file Date: Tue, 25 Feb 2020 15:31:30 +0100 Message-Id: <20200225143130.111267-4-mreitz@redhat.com> In-Reply-To: <20200225143130.111267-1-mreitz@redhat.com> References: <20200225143130.111267-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-stable@nongnu.org, qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Test what happens when writing data to an external data file, where the write requires an L2 entry to be allocated, but the data write fails. Signed-off-by: Max Reitz --- tests/qemu-iotests/026 | 32 ++++++++++++++++++++++++++++++ tests/qemu-iotests/026.out | 6 ++++++ tests/qemu-iotests/026.out.nocache | 6 ++++++ 3 files changed, 44 insertions(+) diff --git a/tests/qemu-iotests/026 b/tests/qemu-iotests/026 index 0c1273c339..b05a4692cf 100755 --- a/tests/qemu-iotests/026 +++ b/tests/qemu-iotests/026 @@ -30,6 +30,7 @@ _cleanup() { _cleanup_test_img rm "$TEST_DIR/blkdebug.conf" + rm -f "$TEST_IMG.data_file" } trap "_cleanup; exit \$status" 0 1 2 3 15 =20 @@ -239,6 +240,37 @@ $QEMU_IO -c "write 0 $CLUSTER_SIZE" "$BLKDBG_TEST_IMG"= | _filter_qemu_io =20 _check_test_img =20 +echo +echo =3D=3D=3D Avoid freeing external data clusters on failure =3D=3D=3D +echo + +# Similar test as the last one, except we test what happens when there +# is an error when writing to an external data file instead of when +# writing to a preallocated zero cluster +_make_test_img -o "data_file=3D$TEST_IMG.data_file" $CLUSTER_SIZE + +# Put blkdebug above the data-file, and a raw node on top of that so +# that blkdebug will see a write_aio event and emit an error +$QEMU_IO -c "write 0 $CLUSTER_SIZE" \ + "json:{ + 'driver': 'qcow2', + 'file': { 'driver': 'file', 'filename': '$TEST_IMG' }, + 'data-file': { + 'driver': 'raw', + 'file': { + 'driver': 'blkdebug', + 'config': '$TEST_DIR/blkdebug.conf', + 'image': { + 'driver': 'file', + 'filename': '$TEST_IMG.data_file' + } + } + } + }" \ + | _filter_qemu_io + +_check_test_img + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/026.out b/tests/qemu-iotests/026.out index 83989996ff..c1b3b58482 100644 --- a/tests/qemu-iotests/026.out +++ b/tests/qemu-iotests/026.out @@ -653,4 +653,10 @@ wrote 1024/1024 bytes at offset 0 1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) write failed: Input/output error No errors were found on the image. + +=3D=3D=3D Avoid freeing external data clusters on failure =3D=3D=3D + +Formatting 'TEST_DIR/t.IMGFMT', fmt=3DIMGFMT size=3D1024 data_file=3DTEST_= DIR/t.IMGFMT.data_file +write failed: Input/output error +No errors were found on the image. *** done diff --git a/tests/qemu-iotests/026.out.nocache b/tests/qemu-iotests/026.ou= t.nocache index 9359d26d7e..8d5001648a 100644 --- a/tests/qemu-iotests/026.out.nocache +++ b/tests/qemu-iotests/026.out.nocache @@ -661,4 +661,10 @@ wrote 1024/1024 bytes at offset 0 1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) write failed: Input/output error No errors were found on the image. + +=3D=3D=3D Avoid freeing external data clusters on failure =3D=3D=3D + +Formatting 'TEST_DIR/t.IMGFMT', fmt=3DIMGFMT size=3D1024 data_file=3DTEST_= DIR/t.IMGFMT.data_file +write failed: Input/output error +No errors were found on the image. *** done --=20 2.24.1