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Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block
|
From: |
Andrey Shinkevich |
|
Subject: |
Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind |
|
Date: |
Wed, 24 Jul 2019 07:37:22 +0000 |
On 24/07/2019 10:33, Christian Borntraeger wrote:
>
>
> On 24.07.19 09:30, Andrey Shinkevich wrote:
>>
>>
>> On 24/07/2019 10:18, Christian Borntraeger wrote:
>>>
>>> On 19.07.19 15:43, Kevin Wolf wrote:
>>>> From: Andrey Shinkevich <address@hidden>
>>>>
>>>> The Valgrind tool reports about the uninitialised buffer 'buf'
>>>> instantiated on the stack of the function guess_disk_lchs().
>>>> Pass 'read-zeroes=on' to the null block driver to make it deterministic.
>>>> The output of the tests 051, 186 and 227 now includes the parameter
>>>> 'read-zeroes'. So, the benchmark output files are being changed too.
>>>>
>>>> Suggested-by: Kevin Wolf <address@hidden>
>>>> Signed-off-by: Andrey Shinkevich <address@hidden>
>>>> Signed-off-by: Kevin Wolf <address@hidden>
>>>> ---
>>>> tests/qemu-iotests/051 | 10 +--
>>>> tests/qemu-iotests/051.pc.out | 10 +--
>>>> tests/qemu-iotests/093 | 9 +-
>>> [...9
>>>
>>>
>>> I now get the following on s390.
>>> Seems that you only fixed 051.pc.out but not 051.out
>>>
>>> 051 ... [09:01:49] ... 051
>>> [1m[31mfail [0m [09:01:49] [09:01:50] output
>>> mismatch (see 051.out.bad)
>>> --- tests/qemu-iotests/051.out 2019-07-09 18:34:26.734654933
>>> +0200
>>> +++ build/tests/qemu-iotests/051.out.bad 2019-07-24
>>> 09:01:50.015024901 +0200
>>> @@ -149,23 +149,23 @@
>>>
>>> === Cache modes ===
>>>
>>> -Testing: -drive driver=null-co,cache=none
>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=none
>>> QEMU X.Y.Z monitor - type 'help' for more information
>>> (qemu) quit
>>>
>>> -Testing: -drive driver=null-co,cache=directsync
>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=directsync
>>> QEMU X.Y.Z monitor - type 'help' for more information
>>> (qemu) quit
>>>
>>> -Testing: -drive driver=null-co,cache=writeback
>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=writeback
>>> QEMU X.Y.Z monitor - type 'help' for more information
>>> (qemu) quit
>>>
>>> -Testing: -drive driver=null-co,cache=writethrough
>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=writethrough
>>> QEMU X.Y.Z monitor - type 'help' for more information
>>> (qemu) quit
>>>
>>> -Testing: -drive driver=null-co,cache=unsafe
>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=unsafe
>>> QEMU X.Y.Z monitor - type 'help' for more information
>>> (qemu) quit
>>>
>>>
>>
>> Thank you Christian for your report.
>> Would you please send the command line you ran the 051 test with?
>
> just calling check with -qcow2 and 051 on an s390 system:
>
>
> ./check -qcow2 051
> QEMU --
> "/home/cborntra/REPOS/qemu/build/tests/qemu-iotests/../../s390x-softmmu/qemu-system-s390x"
> -nodefaults -machine accel=qtest
> QEMU_IMG --
> "/home/cborntra/REPOS/qemu/build/tests/qemu-iotests/../../qemu-img"
> QEMU_IO --
> "/home/cborntra/REPOS/qemu/build/tests/qemu-iotests/../../qemu-io" --cache
> writeback -f qcow2
> QEMU_NBD --
> "/home/cborntra/REPOS/qemu/build/tests/qemu-iotests/../../qemu-nbd"
> IMGFMT -- qcow2 (compat=1.1)
> IMGPROTO -- file
> PLATFORM -- Linux/s390x s38lp08 5.2.0+
> TEST_DIR -- /home/cborntra/REPOS/qemu/build/tests/qemu-iotests/scratch
> SOCKET_SCM_HELPER --
> /home/cborntra/REPOS/qemu/build/tests/qemu-iotests/socket_scm_helper
>
> 051 fail [09:32:20] [09:32:30] output mismatch
> (see 051.out.bad)
> --- /home/cborntra/REPOS/qemu/tests/qemu-iotests/051.out 2019-07-11
> 18:31:29.440732461 +0200
> +++ /home/cborntra/REPOS/qemu/build/tests/qemu-iotests/051.out.bad
> 2019-07-24 09:32:30.390620548 +0200
> @@ -149,23 +149,23 @@
>
> === Cache modes ===
>
> -Testing: -drive driver=null-co,cache=none
> +Testing: -drive driver=null-co,read-zeroes=on,cache=none
> QEMU X.Y.Z monitor - type 'help' for more information
> (qemu) quit
>
> -Testing: -drive driver=null-co,cache=directsync
> +Testing: -drive driver=null-co,read-zeroes=on,cache=directsync
> QEMU X.Y.Z monitor - type 'help' for more information
> (qemu) quit
>
> -Testing: -drive driver=null-co,cache=writeback
> +Testing: -drive driver=null-co,read-zeroes=on,cache=writeback
> QEMU X.Y.Z monitor - type 'help' for more information
> (qemu) quit
>
> -Testing: -drive driver=null-co,cache=writethrough
> +Testing: -drive driver=null-co,read-zeroes=on,cache=writethrough
> QEMU X.Y.Z monitor - type 'help' for more information
> (qemu) quit
>
> -Testing: -drive driver=null-co,cache=unsafe
> +Testing: -drive driver=null-co,read-zeroes=on,cache=unsafe
> QEMU X.Y.Z monitor - type 'help' for more information
> (qemu) quit
>
> Failures: 051
> Failed 1 of 1 tests
>
>
OK, thank you.
I can create a patch based on the output above because I do not have the
s390 platform to test on.
Now, I am waiting for Kevin advice on how to add it to the existing patch...
Andrey
>>
>> Kevin,
>> How do add the 051.out file to the patch? New version?
>
> You would need a fixup patch as the original patch is already merged.
>
>>
>> Andrey
>>
>>>>
>>>> diff --git a/tests/qemu-iotests/051 b/tests/qemu-iotests/051
>>>> index 200660f977..ce942a5444 100755
>>>> --- a/tests/qemu-iotests/051
>>>> +++ b/tests/qemu-iotests/051
>>>> @@ -251,11 +251,11 @@ echo
>>>> # Cannot use the test image because cache=none might not work on the
>>>> host FS
>>>> # Use cdrom so that we won't get errors about missing media
>>>>
>>>> -run_qemu -drive driver=null-co,cache=none
>>>> -run_qemu -drive driver=null-co,cache=directsync
>>>> -run_qemu -drive driver=null-co,cache=writeback
>>>> -run_qemu -drive driver=null-co,cache=writethrough
>>>> -run_qemu -drive driver=null-co,cache=unsafe
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,cache=none
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,cache=directsync
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,cache=writeback
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,cache=writethrough
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,cache=unsafe
>>>> run_qemu -drive driver=null-co,cache=invalid_value
>>>>
>>>> # Can't test direct=on here because O_DIRECT might not be supported on
>>>> this FS
>>>> diff --git a/tests/qemu-iotests/051.pc.out b/tests/qemu-iotests/051.pc.out
>>>> index 2d811c166c..000557c7c8 100644
>>>> --- a/tests/qemu-iotests/051.pc.out
>>>> +++ b/tests/qemu-iotests/051.pc.out
>>>> @@ -245,23 +245,23 @@ QEMU X.Y.Z monitor - type 'help' for more information
>>>>
>>>> === Cache modes ===
>>>>
>>>> -Testing: -drive driver=null-co,cache=none
>>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=none
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive driver=null-co,cache=directsync
>>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=directsync
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive driver=null-co,cache=writeback
>>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=writeback
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive driver=null-co,cache=writethrough
>>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=writethrough
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive driver=null-co,cache=unsafe
>>>> +Testing: -drive driver=null-co,read-zeroes=on,cache=unsafe
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) quit
>>>>
>>>> diff --git a/tests/qemu-iotests/093 b/tests/qemu-iotests/093
>>>> index d88fbc182e..4b2cac1d0c 100755
>>>> --- a/tests/qemu-iotests/093
>>>> +++ b/tests/qemu-iotests/093
>>>> @@ -38,7 +38,7 @@ class ThrottleTestCase(iotests.QMPTestCase):
>>>> def setUp(self):
>>>> self.vm = iotests.VM()
>>>> for i in range(0, self.max_drives):
>>>> - self.vm.add_drive(self.test_img)
>>>> + self.vm.add_drive(self.test_img, "file.read-zeroes=on")
>>>> self.vm.launch()
>>>>
>>>> def tearDown(self):
>>>> @@ -273,7 +273,8 @@ class ThrottleTestGroupNames(iotests.QMPTestCase):
>>>> def setUp(self):
>>>> self.vm = iotests.VM()
>>>> for i in range(0, self.max_drives):
>>>> - self.vm.add_drive(self.test_img, "throttling.iops-total=100")
>>>> + self.vm.add_drive(self.test_img,
>>>> +
>>>> "throttling.iops-total=100,file.read-zeroes=on")
>>>> self.vm.launch()
>>>>
>>>> def tearDown(self):
>>>> @@ -378,10 +379,10 @@ class
>>>> ThrottleTestRemovableMedia(iotests.QMPTestCase):
>>>> def test_removable_media(self):
>>>> # Add a couple of dummy nodes named cd0 and cd1
>>>> result = self.vm.qmp("blockdev-add", driver="null-aio",
>>>> - node_name="cd0")
>>>> + read_zeroes=True, node_name="cd0")
>>>> self.assert_qmp(result, 'return', {})
>>>> result = self.vm.qmp("blockdev-add", driver="null-aio",
>>>> - node_name="cd1")
>>>> + read_zeroes=True, node_name="cd1")
>>>> self.assert_qmp(result, 'return', {})
>>>>
>>>> # Attach a CD drive with cd0 inserted
>>>> diff --git a/tests/qemu-iotests/136 b/tests/qemu-iotests/136
>>>> index af7ffa4540..a46a7b7630 100755
>>>> --- a/tests/qemu-iotests/136
>>>> +++ b/tests/qemu-iotests/136
>>>> @@ -74,6 +74,7 @@ sector = "%d"
>>>> (self.account_invalid and "on" or "off"))
>>>> drive_args.append("stats-account-failed=%s" %
>>>> (self.account_failed and "on" or "off"))
>>>> + drive_args.append("file.image.read-zeroes=on")
>>>> self.create_blkdebug_file()
>>>> self.vm = iotests.VM().add_drive('blkdebug:%s:%s' %
>>>> (blkdebug_file, self.test_img),
>>>> diff --git a/tests/qemu-iotests/186 b/tests/qemu-iotests/186
>>>> index 7e7d45babc..5f6b18c150 100755
>>>> --- a/tests/qemu-iotests/186
>>>> +++ b/tests/qemu-iotests/186
>>>> @@ -86,8 +86,8 @@ echo "=== -blockdev/-device=<node-name> ==="
>>>> echo
>>>>
>>>> for dev in $fixed $removable; do
>>>> - check_info_block -blockdev driver=null-co,node-name=null -device
>>>> $dev,drive=null
>>>> - check_info_block -blockdev driver=null-co,node-name=null -device
>>>> $dev,drive=null,id=qdev_id
>>>> + check_info_block -blockdev
>>>> driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=null
>>>> + check_info_block -blockdev
>>>> driver=null-co,read-zeroes=on,node-name=null -device
>>>> $dev,drive=null,id=qdev_id
>>>> done
>>>>
>>>> echo
>>>> @@ -97,7 +97,7 @@ echo
>>>> # This creates two BlockBackends that will show up in 'info block'!
>>>> # A monitor-owned one from -drive, and anonymous one from -device
>>>> for dev in $fixed $removable; do
>>>> - check_info_block -drive if=none,driver=null-co,node-name=null -device
>>>> $dev,drive=null,id=qdev_id
>>>> + check_info_block -drive
>>>> if=none,driver=null-co,read-zeroes=on,node-name=null -device
>>>> $dev,drive=null,id=qdev_id
>>>> done
>>>>
>>>> echo
>>>> @@ -105,8 +105,8 @@ echo "=== -drive if=none/-device=<bb-name> (with
>>>> medium) ==="
>>>> echo
>>>>
>>>> for dev in $fixed $removable; do
>>>> - check_info_block -drive if=none,driver=null-co,node-name=null -device
>>>> $dev,drive=none0
>>>> - check_info_block -drive if=none,driver=null-co,node-name=null -device
>>>> $dev,drive=none0,id=qdev_id
>>>> + check_info_block -drive
>>>> if=none,driver=null-co,read-zeroes=on,node-name=null -device
>>>> $dev,drive=none0
>>>> + check_info_block -drive
>>>> if=none,driver=null-co,read-zeroes=on,node-name=null -device
>>>> $dev,drive=none0,id=qdev_id
>>>> done
>>>>
>>>> echo
>>>> @@ -125,15 +125,15 @@ echo "=== -drive if=... ==="
>>>> echo
>>>>
>>>> check_info_block -drive if=floppy
>>>> -check_info_block -drive if=floppy,driver=null-co
>>>> +check_info_block -drive if=floppy,driver=null-co,read-zeroes=on
>>>>
>>>> -check_info_block -drive if=ide,driver=null-co
>>>> +check_info_block -drive if=ide,driver=null-co,read-zeroes=on
>>>> check_info_block -drive if=ide,media=cdrom
>>>> -check_info_block -drive if=ide,driver=null-co,media=cdrom
>>>> +check_info_block -drive if=ide,driver=null-co,read-zeroes=on,media=cdrom
>>>>
>>>> -check_info_block -drive if=virtio,driver=null-co
>>>> +check_info_block -drive if=virtio,driver=null-co,read-zeroes=on
>>>>
>>>> -check_info_block -drive if=pflash,driver=null-co,size=1M
>>>> +check_info_block -drive if=pflash,driver=null-co,read-zeroes=on,size=1M
>>>>
>>>> # success, all done
>>>> echo "*** done"
>>>> diff --git a/tests/qemu-iotests/186.out b/tests/qemu-iotests/186.out
>>>> index 716b01ac3d..5b3504042a 100644
>>>> --- a/tests/qemu-iotests/186.out
>>>> +++ b/tests/qemu-iotests/186.out
>>>> @@ -54,103 +54,103 @@ qdev_id: [not inserted]
>>>>
>>>> === -blockdev/-device=<node-name> ===
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device ide-hd,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> ide-hd,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> ide-hd,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> ide-hd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> scsi-hd,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> scsi-hd,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> scsi-hd,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> scsi-hd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> virtio-blk-pci,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> virtio-blk-pci,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> virtio-blk-pci,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> virtio-blk-pci,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device floppy,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> floppy,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> floppy,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> floppy,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device ide-cd,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> ide-cd,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> ide-cd,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> ide-cd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> scsi-cd,drive=null
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> scsi-cd,drive=null
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> scsi-cd,drive=null,id=qdev_id
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> scsi-cd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> @@ -159,76 +159,76 @@ null: null-co:// (null-co)
>>>>
>>>> === -drive if=none/-device=<node-name> ===
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-hd,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-hd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-hd,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-hd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> virtio-blk-pci,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device virtio-blk-pci,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> floppy,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device floppy,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-cd,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-cd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-cd,drive=null,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-cd,drive=null,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>>
>>>> -null: null-co:// (null-co)
>>>> +null: json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> @@ -237,103 +237,103 @@ null: null-co:// (null-co)
>>>>
>>>> === -drive if=none/-device=<bb-name> (with medium) ===
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-hd,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-hd,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-hd,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-hd,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-hd,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-hd,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-hd,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-hd,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> virtio-blk-pci,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device virtio-blk-pci,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> virtio-blk-pci,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device virtio-blk-pci,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> floppy,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device floppy,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> floppy,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device floppy,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-cd,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-cd,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> ide-cd,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device ide-cd,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-cd,drive=none0
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-cd,drive=none0
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=none,driver=null-co,node-name=null -device
>>>> scsi-cd,drive=none0,id=qdev_id
>>>> +Testing: -drive if=none,driver=null-co,read-zeroes=on,node-name=null
>>>> -device scsi-cd,drive=none0,id=qdev_id
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -none0 (null): null-co:// (null-co)
>>>> +none0 (null): json:{"read-zeroes": "on", "driver": "null-co"} (null-co)
>>>> Attached to: qdev_id
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> @@ -408,19 +408,19 @@ floppy0: [not inserted]
>>>> Removable device: not locked, tray closed
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=floppy,driver=null-co
>>>> +Testing: -drive if=floppy,driver=null-co,read-zeroes=on
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -floppy0 (NODE_NAME): null-co:// (null-co)
>>>> +floppy0 (NODE_NAME): json:{"read-zeroes": "on", "driver": "null-co"}
>>>> (null-co)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=ide,driver=null-co
>>>> +Testing: -drive if=ide,driver=null-co,read-zeroes=on
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -ide0-hd0 (NODE_NAME): null-co:// (null-co)
>>>> +ide0-hd0 (NODE_NAME): json:{"read-zeroes": "on", "driver": "null-co"}
>>>> (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>> @@ -433,27 +433,27 @@ ide0-cd0: [not inserted]
>>>> Removable device: not locked, tray closed
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=ide,driver=null-co,media=cdrom
>>>> +Testing: -drive if=ide,driver=null-co,read-zeroes=on,media=cdrom
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -ide0-cd0 (NODE_NAME): null-co:// (null-co, read-only)
>>>> +ide0-cd0 (NODE_NAME): json:{"read-zeroes": "on", "driver": "null-co"}
>>>> (null-co, read-only)
>>>> Attached to: PATH
>>>> Removable device: not locked, tray closed
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=virtio,driver=null-co
>>>> +Testing: -drive if=virtio,driver=null-co,read-zeroes=on
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -virtio0 (NODE_NAME): null-co:// (null-co)
>>>> +virtio0 (NODE_NAME): json:{"read-zeroes": "on", "driver": "null-co"}
>>>> (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>>
>>>> -Testing: -drive if=pflash,driver=null-co,size=1M
>>>> +Testing: -drive if=pflash,driver=null-co,read-zeroes=on,size=1M
>>>> QEMU X.Y.Z monitor - type 'help' for more information
>>>> (qemu) info block
>>>> -pflash0 (NODE_NAME): json:{"driver": "null-co", "size": "1M"} (null-co)
>>>> +pflash0 (NODE_NAME): json:{"read-zeroes": "on", "driver": "null-co",
>>>> "size": "1M"} (null-co)
>>>> Attached to: PATH
>>>> Cache mode: writeback
>>>> (qemu) quit
>>>> diff --git a/tests/qemu-iotests/227 b/tests/qemu-iotests/227
>>>> index bdd727a721..637d7c3726 100755
>>>> --- a/tests/qemu-iotests/227
>>>> +++ b/tests/qemu-iotests/227
>>>> @@ -57,7 +57,7 @@ echo
>>>> echo '=== blockstats with -drive if=virtio ==='
>>>> echo
>>>>
>>>> -run_qemu -drive driver=null-co,if=virtio <<EOF
>>>> +run_qemu -drive driver=null-co,read-zeroes=on,if=virtio <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> { "execute": "query-blockstats"}
>>>> { "execute": "quit" }
>>>> @@ -87,7 +87,7 @@ echo
>>>> echo '=== blockstats with -blockdev and -device ==='
>>>> echo
>>>>
>>>> -run_qemu -blockdev driver=null-co,node-name=null -device
>>>> virtio-blk,drive=null,id=virtio0 <<EOF
>>>> +run_qemu -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> virtio-blk,drive=null,id=virtio0 <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> { "execute": "query-blockstats"}
>>>> { "execute": "quit" }
>>>> diff --git a/tests/qemu-iotests/227.out b/tests/qemu-iotests/227.out
>>>> index e77efaf4cf..3dd3ca5708 100644
>>>> --- a/tests/qemu-iotests/227.out
>>>> +++ b/tests/qemu-iotests/227.out
>>>> @@ -2,7 +2,7 @@ QA output created by 227
>>>>
>>>> === blockstats with -drive if=virtio ===
>>>>
>>>> -Testing: -drive driver=null-co,if=virtio
>>>> +Testing: -drive driver=null-co,read-zeroes=on,if=virtio
>>>> {
>>>> QMP_VERSION
>>>> }
>>>> @@ -150,7 +150,7 @@ Testing: -blockdev driver=null-co,node-name=null
>>>>
>>>> === blockstats with -blockdev and -device ===
>>>>
>>>> -Testing: -blockdev driver=null-co,node-name=null -device
>>>> virtio-blk,drive=null,id=virtio0
>>>> +Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device
>>>> virtio-blk,drive=null,id=virtio0
>>>> {
>>>> QMP_VERSION
>>>> }
>>>> diff --git a/tests/qemu-iotests/238 b/tests/qemu-iotests/238
>>>> index 1c0a46fa90..08bc7e6b4b 100755
>>>> --- a/tests/qemu-iotests/238
>>>> +++ b/tests/qemu-iotests/238
>>>> @@ -31,7 +31,7 @@ else:
>>>> vm = iotests.VM()
>>>> vm.launch()
>>>>
>>>> -log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co'))
>>>> +log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co',
>>>> read_zeroes=True))
>>>> log(vm.qmp('object-add', qom_type='iothread', id='iothread0'))
>>>> log(vm.qmp('device_add', id='scsi0', driver=virtio_scsi_device,
>>>> iothread='iothread0'))
>>>> log(vm.qmp('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0'))
>>>> diff --git a/tests/qemu-iotests/240 b/tests/qemu-iotests/240
>>>> index 5be6b9c0f7..f73bc07d80 100755
>>>> --- a/tests/qemu-iotests/240
>>>> +++ b/tests/qemu-iotests/240
>>>> @@ -76,7 +76,7 @@ echo
>>>>
>>>> run_qemu <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> -{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "node-name": "hd0"}}
>>>> +{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "read-zeroes": true, "node-name": "hd0"}}
>>>> { "execute": "object-add", "arguments": {"qom-type": "iothread", "id":
>>>> "iothread0"}}
>>>> { "execute": "device_add", "arguments": {"id": "scsi0", "driver":
>>>> "${virtio_scsi}", "iothread": "iothread0"}}
>>>> { "execute": "device_add", "arguments": {"id": "scsi-hd0", "driver":
>>>> "scsi-hd", "drive": "hd0"}}
>>>> @@ -94,7 +94,7 @@ echo
>>>>
>>>> run_qemu <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> -{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "node-name": "hd0", "read-only": true}}
>>>> +{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "read-zeroes": true, "node-name": "hd0", "read-only": true}}
>>>> { "execute": "object-add", "arguments": {"qom-type": "iothread", "id":
>>>> "iothread0"}}
>>>> { "execute": "device_add", "arguments": {"id": "scsi0", "driver":
>>>> "${virtio_scsi}", "iothread": "iothread0"}}
>>>> { "execute": "device_add", "arguments": {"id": "scsi-hd0", "driver":
>>>> "scsi-hd", "drive": "hd0"}}
>>>> @@ -112,7 +112,7 @@ echo
>>>>
>>>> run_qemu <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> -{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "node-name": "hd0", "read-only": true}}
>>>> +{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "read-zeroes": true, "node-name": "hd0", "read-only": true}}
>>>> { "execute": "object-add", "arguments": {"qom-type": "iothread", "id":
>>>> "iothread0"}}
>>>> { "execute": "object-add", "arguments": {"qom-type": "iothread", "id":
>>>> "iothread1"}}
>>>> { "execute": "device_add", "arguments": {"id": "scsi0", "driver":
>>>> "${virtio_scsi}", "iothread": "iothread0"}}
>>>> @@ -134,7 +134,7 @@ echo
>>>>
>>>> run_qemu <<EOF
>>>> { "execute": "qmp_capabilities" }
>>>> -{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "node-name": "hd0", "read-only": true}}
>>>> +{ "execute": "blockdev-add", "arguments": {"driver": "null-co",
>>>> "read-zeroes": true, "node-name": "hd0", "read-only": true}}
>>>> { "execute": "nbd-server-start", "arguments":
>>>> {"addr":{"type":"unix","data":{"path":"$TEST_DIR/nbd"}}}}
>>>> { "execute": "nbd-server-add", "arguments": {"device":"hd0"}}
>>>> { "execute": "object-add", "arguments": {"qom-type": "iothread", "id":
>>>> "iothread0"}}
>>>>
>>>
>>
>
--
With the best regards,
Andrey Shinkevich
- [Qemu-devel] [PULL 00/13] Block layer patches, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 03/13] tests: Add job commit by drained_end test, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 02/13] block: Introduce BdrvChild.parent_quiesce_counter, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 05/13] block: Make bdrv_parent_drained_[^_]*() static, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 04/13] block: Add @drained_end_counter, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 06/13] tests: Lock AioContexts in test-block-iothread, Kevin Wolf, 2019/07/19
- [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Kevin Wolf, 2019/07/19
- Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Christian Borntraeger, 2019/07/24
- Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Kevin Wolf, 2019/07/24
- Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Andrey Shinkevich, 2019/07/24
- Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Kevin Wolf, 2019/07/24
- Re: [Qemu-devel] [PULL 01/13] iotests: Set read-zeroes on in null block driver for Valgrind, Andrey Shinkevich, 2019/07/24
[Qemu-devel] [PULL 09/13] block: Loop unsafely in bdrv*drained_end(), Kevin Wolf, 2019/07/19
[Qemu-devel] [PULL 07/13] block: Do not poll in bdrv_do_drained_end(), Kevin Wolf, 2019/07/19
[Qemu-devel] [PULL 08/13] tests: Extend commit by drained_end test, Kevin Wolf, 2019/07/19
[Qemu-devel] [PULL 12/13] vl: Drain before (block) job cancel when quitting, Kevin Wolf, 2019/07/19
[Qemu-devel] [PULL 10/13] iotests: Add @has_quit to vm.shutdown(), Kevin Wolf, 2019/07/19
[Qemu-devel] [PULL 11/13] iotests: Test commit with a filter on the chain, Kevin Wolf, 2019/07/19