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From 2366cd9066e79d6c93a3a28710aea987b2c8f454 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Fri, 13 Mar 2020 12:34:38 +0000
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Subject: [PATCH 18/20] iotests: Add iothread cases to 155
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20200313123439.10548-13-kwolf@redhat.com>
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Patchwork-id: 94289
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH v2 12/13] iotests: Add iothread cases to 155
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Bugzilla: 1790482 1805143
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Daniel P. Berrange <berrange@redhat.com>
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RH-Acked-by: Peter Krempa <pkrempa@redhat.com>
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This patch adds test cases for attaching the backing chain to a mirror
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job target right before finalising the job, where the image is in a
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non-mainloop AioContext (i.e. the backing chain needs to be moved to the
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AioContext of the mirror target).
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This requires switching the test case from virtio-blk to virtio-scsi
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because virtio-blk only actually starts using the iothreads when the
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guest driver initialises the device (which never happens in a test case
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without a guest OS). virtio-scsi always keeps its block nodes in the
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AioContext of the the requested iothread without guest interaction.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Message-Id: <20200310113831.27293-7-kwolf@redhat.com>
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Reviewed-by: Peter Krempa <pkrempa@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 6a5f6403a11307794ec79d277a065c137cfc12b2)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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tests/qemu-iotests/155 | 32 +++++++++++++++++++++++
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tests/qemu-iotests/155.out | 4 ++
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2 files changed, 25 insertions(+), 11 deletions(-)
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diff
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index 3053e50..b552d1f 100755
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@@ -49,11 +49,14 @@ target_img = os.path.join(iotests.test_dir, 'target.' + iotests.imgfmt)
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# chain opened right away. If False, blockdev-add
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+
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+
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class BaseClass(iotests.QMPTestCase):
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target_blockdev_backing = None
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target_real_backing = None
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target_open_with_backing = True
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+ use_iothread = False
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, back0_img, '1440K')
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@@ -69,7 +72,16 @@ class BaseClass(iotests.QMPTestCase):
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'file': {'driver': 'file',
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'filename': source_img}}
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self.vm.add_blockdev(self.vm.qmp_to_opts(blockdev))
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- self.vm.add_device('virtio-blk,id=qdev0,drive=source')
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+
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+ if self.use_iothread:
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+ self.vm.add_object('iothread,id=iothread0')
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+ iothread = ",iothread=iothread0"
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+ else:
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+ iothread = ""
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+
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+ self.vm.add_device('virtio-scsi%s' % iothread)
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+ self.vm.add_device('scsi-hd,id=qdev0,drive=source')
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+
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self.vm.launch()
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self.assertIntactSourceBackingChain()
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@@ -182,24 +194,21 @@ class MirrorBaseClass(BaseClass):
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def testFull(self):
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self.runMirror('full')
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- node = self.findBlockNode('target',
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- '/machine/peripheral/qdev0/virtio-backend')
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+ node = self.findBlockNode('target', 'qdev0')
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self.assertCorrectBackingImage(node, None)
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self.assertIntactSourceBackingChain()
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def testTop(self):
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self.runMirror('top')
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- node = self.findBlockNode('target',
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- '/machine/peripheral/qdev0/virtio-backend')
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+ node = self.findBlockNode('target', 'qdev0')
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self.assertCorrectBackingImage(node, back2_img)
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self.assertIntactSourceBackingChain()
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def testNone(self):
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self.runMirror('none')
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- node = self.findBlockNode('target',
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- '/machine/peripheral/qdev0/virtio-backend')
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+ node = self.findBlockNode('target', 'qdev0')
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self.assertCorrectBackingImage(node, source_img)
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self.assertIntactSourceBackingChain()
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@@ -252,6 +261,9 @@ class TestBlockdevMirrorReopen(MirrorBaseClass):
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backing="backing")
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self.assert_qmp(result, 'return', {})
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+class TestBlockdevMirrorReopenIothread(TestBlockdevMirrorReopen):
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+ use_iothread = True
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+
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class TestBlockdevMirrorSnapshot(MirrorBaseClass):
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cmd = 'blockdev-mirror'
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@@ -268,6 +280,9 @@ class TestBlockdevMirrorSnapshot(MirrorBaseClass):
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overlay="target")
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self.assert_qmp(result, 'return', {})
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+class TestBlockdevMirrorSnapshotIothread(TestBlockdevMirrorSnapshot):
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+ use_iothread = True
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+
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class TestCommit(BaseClass):
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existing = False
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@@ -283,8 +298,7 @@ class TestCommit(BaseClass):
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self.vm.event_wait('BLOCK_JOB_COMPLETED')
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- node = self.findBlockNode(None,
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- '/machine/peripheral/qdev0/virtio-backend')
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+ node = self.findBlockNode(None, 'qdev0')
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self.assert_qmp(node, 'image' + '/backing-image' * 0 + '/filename',
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back1_img)
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self.assert_qmp(node, 'image' + '/backing-image' * 1 + '/filename',
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diff
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index 4fd1c2d..ed714d5 100644
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+++ b/tests/qemu-iotests/155.out
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@@ -1,5 +1,5 @@
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-.........................
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+...............................
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-Ran 25 tests
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+Ran 31 tests
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OK
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--
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1.8.3.1
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