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iotests: Set read-zeroes on in null block driver for Valgrind 

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 <kwolf@redhat.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
master
Andrey Shinkevich 2019-07-15 19:07:59 +03:00 committed by Kevin Wolf
parent 0274f45bde
commit a6862418fe
10 changed files with 111 additions and 109 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
tests/qemu-iotests/051
View File

@ -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

10
tests/qemu-iotests/051.pc.out
View File

@ -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

9
tests/qemu-iotests/093
View File

@ -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

1
tests/qemu-iotests/136
View File

@ -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),

20
tests/qemu-iotests/186
View File

@ -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"

152
tests/qemu-iotests/186.out
View File

@ -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

4
tests/qemu-iotests/227
View File

@ -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" }

4
tests/qemu-iotests/227.out
View File

@ -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
}

2
tests/qemu-iotests/238
View File

@ -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'))

8
tests/qemu-iotests/240
View File

@ -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"}}