* [Qemu-devel] [PATCH v7 1/2] raw_bsd: add offset and size options
2016-10-27 12:18 [Qemu-devel] [PATCH v7 0/2] Add 'offset' and 'size' options Tomáš Golembiovský
@ 2016-10-27 12:18 ` Tomáš Golembiovský
2016-10-27 13:32 ` Kevin Wolf
2016-10-27 12:18 ` [Qemu-devel] [PATCH v7 2/2] qemu-iotests: test 'offset' and 'size' options in raw driver Tomáš Golembiovský
1 sibling, 1 reply; 5+ messages in thread
From: Tomáš Golembiovský @ 2016-10-27 12:18 UTC (permalink / raw)
To: qemu-devel
Cc: Tomáš Golembiovský, Kevin Wolf, Max Reitz,
Markus Armbruster, Eric Blake, Daniel P . Berrange, qemu-block
Added two new options 'offset' and 'size'. This makes it possible to use
only part of the file as a device. This can be used e.g. to limit the
access only to single partition in a disk image or use a disk inside a
tar archive (like OVA).
When 'size' is specified we do our best to honour it.
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
---
block/raw_bsd.c | 176 ++++++++++++++++++++++++++++++++++++++++++++++++++-
qapi/block-core.json | 16 ++++-
2 files changed, 188 insertions(+), 4 deletions(-)
diff --git a/block/raw_bsd.c b/block/raw_bsd.c
index 588d408..9eb187a 100644
--- a/block/raw_bsd.c
+++ b/block/raw_bsd.c
@@ -31,6 +31,30 @@
#include "qapi/error.h"
#include "qemu/option.h"
+typedef struct BDRVRawState {
+ uint64_t offset;
+ uint64_t size;
+ bool has_size;
+} BDRVRawState;
+
+static QemuOptsList raw_runtime_opts = {
+ .name = "raw",
+ .head = QTAILQ_HEAD_INITIALIZER(raw_runtime_opts.head),
+ .desc = {
+ {
+ .name = "offset",
+ .type = QEMU_OPT_SIZE,
+ .help = "offset in the disk where the image starts",
+ },
+ {
+ .name = "size",
+ .type = QEMU_OPT_SIZE,
+ .help = "virtual disk size",
+ },
+ { /* end of list */ }
+ },
+};
+
static QemuOptsList raw_create_opts = {
.name = "raw-create-opts",
.head = QTAILQ_HEAD_INITIALIZER(raw_create_opts.head),
@@ -44,16 +68,108 @@ static QemuOptsList raw_create_opts = {
}
};
+static int raw_read_options(QDict *options, BlockDriverState *bs,
+ BDRVRawState *s, Error **errp)
+{
+ Error *local_err = NULL;
+ QemuOpts *opts = NULL;
+ int64_t real_size = 0;
+ int ret;
+
+ real_size = bdrv_getlength(bs->file->bs);
+ if (real_size < 0) {
+ error_setg_errno(errp, -real_size, "Could not get image size");
+ return real_size;
+ }
+
+ opts = qemu_opts_create(&raw_runtime_opts, NULL, 0, &error_abort);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ ret = -EINVAL;
+ goto end;
+ }
+
+ s->offset = qemu_opt_get_size(opts, "offset", 0);
+ if (qemu_opt_find(opts, "size") != NULL) {
+ s->size = qemu_opt_get_size(opts, "size", 0);
+ s->has_size = true;
+ } else {
+ s->has_size = false;
+ s->size = real_size - s->offset;
+ }
+
+ /* Check size and offset */
+ if (real_size < s->offset || (real_size - s->offset) < s->size) {
+ error_setg(errp, "The sum of offset (%" PRIu64 ") and size "
+ "(%" PRIu64 ") has to be smaller or equal to the "
+ " actual size of the containing file (%" PRId64 ")",
+ s->offset, s->size, real_size);
+ ret = -EINVAL;
+ goto end;
+ }
+
+ /* Make sure size is multiple of BDRV_SECTOR_SIZE to prevent rounding
+ * up and leaking out of the specified area. */
+ if (!QEMU_IS_ALIGNED(s->size, BDRV_SECTOR_SIZE)) {
+ error_setg(errp, "Specified size is not multiple of %llu",
+ BDRV_SECTOR_SIZE);
+ ret = -EINVAL;
+ goto end;
+ }
+
+ ret = 0;
+
+end:
+
+ qemu_opts_del(opts);
+
+ return ret;
+}
+
static int raw_reopen_prepare(BDRVReopenState *reopen_state,
BlockReopenQueue *queue, Error **errp)
{
- return 0;
+ assert(reopen_state != NULL);
+ assert(reopen_state->bs != NULL);
+
+ reopen_state->opaque = g_new0(BDRVRawState, 1);
+
+ return raw_read_options(
+ reopen_state->options,
+ reopen_state->bs,
+ reopen_state->opaque,
+ errp);
+}
+
+static void raw_reopen_commit(BDRVReopenState *state)
+{
+ BDRVRawState *new_s = state->opaque;
+ BDRVRawState *s = state->bs->opaque;
+
+ memcpy(s, new_s, sizeof(BDRVRawState));
+
+ g_free(state->opaque);
+ state->opaque = NULL;
+}
+
+static void raw_reopen_abort(BDRVReopenState *state)
+{
+ g_free(state->opaque);
+ state->opaque = NULL;
}
static int coroutine_fn raw_co_preadv(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, QEMUIOVector *qiov,
int flags)
{
+ BDRVRawState *s = bs->opaque;
+
+ if (offset > UINT64_MAX - s->offset) {
+ return -EINVAL;
+ }
+ offset += s->offset;
+
BLKDBG_EVENT(bs->file, BLKDBG_READ_AIO);
return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);
}
@@ -62,11 +178,23 @@ static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, QEMUIOVector *qiov,
int flags)
{
+ BDRVRawState *s = bs->opaque;
void *buf = NULL;
BlockDriver *drv;
QEMUIOVector local_qiov;
int ret;
+ if (s->has_size && (offset > s->size || bytes > (s->size - offset))) {
+ /* There's not enough space for the data. Don't write anything and just
+ * fail to prevent leaking out of the size specified in options. */
+ return -ENOSPC;
+ }
+
+ if (offset > UINT64_MAX - s->offset) {
+ ret = -EINVAL;
+ goto fail;
+ }
+
if (bs->probed && offset < BLOCK_PROBE_BUF_SIZE && bytes) {
/* Handling partial writes would be a pain - so we just
* require that guests have 512-byte request alignment if
@@ -101,6 +229,8 @@ static int coroutine_fn raw_co_pwritev(BlockDriverState *bs, uint64_t offset,
qiov = &local_qiov;
}
+ offset += s->offset;
+
BLKDBG_EVENT(bs->file, BLKDBG_WRITE_AIO);
ret = bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags);
@@ -117,8 +247,10 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs,
int nb_sectors, int *pnum,
BlockDriverState **file)
{
+ BDRVRawState *s = bs->opaque;
*pnum = nb_sectors;
*file = bs->file->bs;
+ sector_num += s->offset / BDRV_SECTOR_SIZE;
return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
(sector_num << BDRV_SECTOR_BITS);
}
@@ -138,7 +270,28 @@ static int coroutine_fn raw_co_pdiscard(BlockDriverState *bs,
static int64_t raw_getlength(BlockDriverState *bs)
{
- return bdrv_getlength(bs->file->bs);
+ int64_t len;
+ BDRVRawState *s = bs->opaque;
+
+ /* Update size. It should not change unless the file was externally
+ * modified. */
+ len = bdrv_getlength(bs->file->bs);
+ if (len < 0) {
+ return len;
+ }
+
+ if (len < s->offset) {
+ s->size = 0;
+ } else {
+ if (s->has_size) {
+ /* Try to honour the size */
+ s->size = MIN(s->size, len - s->offset);
+ } else {
+ s->size = len - s->offset;
+ }
+ }
+
+ return s->size;
}
static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
@@ -158,6 +311,18 @@ static void raw_refresh_limits(BlockDriverState *bs, Error **errp)
static int raw_truncate(BlockDriverState *bs, int64_t offset)
{
+ BDRVRawState *s = bs->opaque;
+
+ if (s->has_size) {
+ return -ENOTSUP;
+ }
+
+ if (INT64_MAX - offset < s->offset) {
+ return -EINVAL;
+ }
+
+ s->size = offset;
+ offset += s->offset;
return bdrv_truncate(bs->file->bs, offset);
}
@@ -197,6 +362,8 @@ static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
static int raw_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
+ BDRVRawState *s = bs->opaque;
+
bs->sg = bs->file->bs->sg;
bs->supported_write_flags = BDRV_REQ_FUA &
bs->file->bs->supported_write_flags;
@@ -214,7 +381,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
bs->file->bs->filename);
}
- return 0;
+ return raw_read_options(options, bs, s, errp);
}
static void raw_close(BlockDriverState *bs)
@@ -241,8 +408,11 @@ static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo)
BlockDriver bdrv_raw = {
.format_name = "raw",
+ .instance_size = sizeof(BDRVRawState),
.bdrv_probe = &raw_probe,
.bdrv_reopen_prepare = &raw_reopen_prepare,
+ .bdrv_reopen_commit = &raw_reopen_commit,
+ .bdrv_reopen_abort = &raw_reopen_abort,
.bdrv_open = &raw_open,
.bdrv_close = &raw_close,
.bdrv_create = &raw_create,
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 9d797b8..186ae75 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -2224,6 +2224,20 @@
'data': { 'filename': 'str' } }
##
+# @BlockdevOptionsRaw
+#
+# Driver specific block device options for the raw driver.
+#
+# @offset: #optional position where the block device starts
+# @size: #optional the assumed size of the device
+#
+# Since: 2.8
+##
+{ 'struct': 'BlockdevOptionsRaw',
+ 'base': 'BlockdevOptionsGenericFormat',
+ 'data': { '*offset': 'int', '*size': 'int' } }
+
+##
# @BlockdevOptions
#
# Options for creating a block device. Many options are available for all
@@ -2277,7 +2291,7 @@
'qcow': 'BlockdevOptionsGenericCOWFormat',
'qed': 'BlockdevOptionsGenericCOWFormat',
'quorum': 'BlockdevOptionsQuorum',
- 'raw': 'BlockdevOptionsGenericFormat',
+ 'raw': 'BlockdevOptionsRaw',
# TODO rbd: Wait for structured options
'replication':'BlockdevOptionsReplication',
# TODO sheepdog: Wait for structured options
--
2.10.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [Qemu-devel] [PATCH v7 2/2] qemu-iotests: test 'offset' and 'size' options in raw driver
2016-10-27 12:18 [Qemu-devel] [PATCH v7 0/2] Add 'offset' and 'size' options Tomáš Golembiovský
2016-10-27 12:18 ` [Qemu-devel] [PATCH v7 1/2] raw_bsd: add offset and size options Tomáš Golembiovský
@ 2016-10-27 12:18 ` Tomáš Golembiovský
2016-10-27 13:47 ` Kevin Wolf
1 sibling, 1 reply; 5+ messages in thread
From: Tomáš Golembiovský @ 2016-10-27 12:18 UTC (permalink / raw)
To: qemu-devel
Cc: Tomáš Golembiovský, Kevin Wolf, Max Reitz,
Markus Armbruster, Eric Blake, Daniel P . Berrange, qemu-block
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
---
tests/qemu-iotests/171 | 170 ++++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/171.out | 173 +++++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/group | 1 +
3 files changed, 344 insertions(+)
create mode 100755 tests/qemu-iotests/171
create mode 100644 tests/qemu-iotests/171.out
diff --git a/tests/qemu-iotests/171 b/tests/qemu-iotests/171
new file mode 100755
index 0000000..3bdc680
--- /dev/null
+++ b/tests/qemu-iotests/171
@@ -0,0 +1,170 @@
+#!/bin/bash
+#
+# Test 'offset' and 'size' options of the raw driver. Make sure we can't
+# (or can) read and write outside of the image size.
+#
+# Copyright (C) 2016 Red Hat, Inc.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=tgolembi@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt raw
+_supported_proto file
+_supported_os Linux
+
+
+# Create options string
+img_json() {
+ echo -n 'json:{"driver":"raw", '
+ echo -n "\"offset\":\"$img_offset\", "
+ if [ "$img_size" -ne -1 ] ; then
+ echo -n "\"size\":\"$img_size\", "
+ fi
+ echo -n '"file": {'
+ echo -n '"driver":"file", '
+ echo -n "\"filename\":\"$TEST_IMG\" "
+ echo -n "} }"
+}
+
+do_general_test() {
+ echo
+ echo "write to image"
+ $QEMU_IO -c "write -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "check that offset is respected"
+ $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
+
+ echo
+ echo "write before image boundary"
+ $QEMU_IO -c "write $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "write across image boundary"
+ $QEMU_IO -c "write $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "write at image boundary"
+ $QEMU_IO -c "write $test_size 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "write after image boundary"
+ $QEMU_IO -c "write $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "writev before/after image boundary"
+ $QEMU_IO -c "writev $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "read the image"
+ $QEMU_IO -c "read 0 $test_size" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "read before image boundary"
+ $QEMU_IO -c "read $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "read across image boundary"
+ $QEMU_IO -c "read $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "read at image boundary"
+ $QEMU_IO -c "read $test_size 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "read after image boundary"
+ $QEMU_IO -c "read $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
+
+ echo
+ echo "readv before/after image boundary"
+ $QEMU_IO -c "readv $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
+}
+
+echo
+echo "== test 'offset' option =="
+size=4096
+img_offset=512
+img_size=-1
+test_size=$((size-img_offset))
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test 'offset' and 'size' options =="
+size=4096
+img_offset=512
+img_size=2048
+test_size=$img_size
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test misaligned 'offset' =="
+size=4096
+img_offset=10
+img_size=2048
+test_size=$img_size
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test reopen =="
+img_offset=512
+img_size=512
+_make_test_img $size
+(
+$QEMU_IO "$(img_json)" <<EOT
+write -P 0x0a 0 512
+write -P 0x0a 511 1
+write -P 0x0a 512 1
+reopen -o driver=raw,offset=1536,size=1024
+write -P 0x0a 0 1024
+write -P 0x0a 1023 1
+write -P 0x0a 1024 1
+EOT
+) | _filter_qemu_io
+echo "checking boundaries"
+$QEMU_IO -c "read -v 510 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 1022 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 1534 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 2558 4" $TEST_IMG | _filter_qemu_io
+_cleanup_test_img
+
+# success, all done
+echo
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/171.out b/tests/qemu-iotests/171.out
new file mode 100644
index 0000000..b69329d
--- /dev/null
+++ b/tests/qemu-iotests/171.out
@@ -0,0 +1,173 @@
+QA output created by 171
+
+== test 'offset' option ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4096
+
+write to image
+wrote 3584/3584 bytes at offset 0
+3.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+check that offset is respected
+000001fe: 00 00 0a 0a ....
+read 4/4 bytes at offset 510
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write before image boundary
+wrote 1/1 bytes at offset 3583
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write across image boundary
+write failed: Input/output error
+
+write at image boundary
+write failed: Input/output error
+
+write after image boundary
+write failed: Input/output error
+
+writev before/after image boundary
+writev failed: Input/output error
+
+read the image
+read 3584/3584 bytes at offset 0
+3.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read before image boundary
+read 1/1 bytes at offset 3583
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read across image boundary
+read failed: Input/output error
+
+read at image boundary
+read failed: Input/output error
+
+read after image boundary
+read failed: Input/output error
+
+readv before/after image boundary
+readv failed: Input/output error
+
+== test 'offset' and 'size' options ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4096
+
+write to image
+wrote 2048/2048 bytes at offset 0
+2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+check that offset is respected
+000001fe: 00 00 0a 0a ....
+read 4/4 bytes at offset 510
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write before image boundary
+wrote 1/1 bytes at offset 2047
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write across image boundary
+write failed: Input/output error
+
+write at image boundary
+write failed: Input/output error
+
+write after image boundary
+write failed: Input/output error
+
+writev before/after image boundary
+writev failed: Input/output error
+
+read the image
+read 2048/2048 bytes at offset 0
+2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read before image boundary
+read 1/1 bytes at offset 2047
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read across image boundary
+read failed: Input/output error
+
+read at image boundary
+read failed: Input/output error
+
+read after image boundary
+read failed: Input/output error
+
+readv before/after image boundary
+readv failed: Input/output error
+
+== test misaligned 'offset' ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4096
+
+write to image
+wrote 2048/2048 bytes at offset 0
+2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+check that offset is respected
+00000008: 00 00 0a 0a ....
+read 4/4 bytes at offset 8
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write before image boundary
+wrote 1/1 bytes at offset 2047
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+write across image boundary
+write failed: Input/output error
+
+write at image boundary
+write failed: Input/output error
+
+write after image boundary
+write failed: Input/output error
+
+writev before/after image boundary
+writev failed: Input/output error
+
+read the image
+read 2048/2048 bytes at offset 0
+2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read before image boundary
+read 1/1 bytes at offset 2047
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+read across image boundary
+read failed: Input/output error
+
+read at image boundary
+read failed: Input/output error
+
+read after image boundary
+read failed: Input/output error
+
+readv before/after image boundary
+readv failed: Input/output error
+
+== test reopen ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4096
+wrote 512/512 bytes at offset 0
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1/1 bytes at offset 511
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+write failed: Input/output error
+wrote 1024/1024 bytes at offset 0
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1/1 bytes at offset 1023
+1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+write failed: Input/output error
+checking boundaries
+000001fe: 00 00 0a 0a ....
+read 4/4 bytes at offset 510
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+000003fe: 0a 0a 00 00 ....
+read 4/4 bytes at offset 1022
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+000005fe: 00 00 0a 0a ....
+read 4/4 bytes at offset 1534
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+000009fe: 0a 0a 00 00 ....
+read 4/4 bytes at offset 2558
+4 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 7eb1770..d574597 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -162,3 +162,4 @@
160 rw auto quick
162 auto quick
170 rw auto quick
+171 rw auto quick
--
2.10.1
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