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From 287db7fde2511199afa62af511acff4b00607c11 Mon Sep 17 00:00:00 2001
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Message-Id: <287db7fde2511199afa62af511acff4b00607c11@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 4 Feb 2020 15:07:39 +0100
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Subject: [PATCH] qemu: Fix value of 'device' argument for block-commit
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When using blockdev configurations the 'device' argument of
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'blockdev-commit' must correspond to the topmost node in the block node
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graph. Libvirt didn't do this properly in case when 'copy_on_read'
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option was enabled on the disk.
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Use qemuDomainDiskGetTopNodename to fix it when calling block-commit.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 69908db0f62444e51bb8aae157b5ae48f45e2fe4)
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https://bugzilla.redhat.com/show_bug.cgi?id=1792195
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Message-Id: <0e7223fc993570a108cd849e9d65c476b2294d99.1580824112.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_driver.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
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index 6a209ccb75..e651c9e819 100644
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--- a/src/qemu/qemu_driver.c
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+++ b/src/qemu/qemu_driver.c
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@@ -18815,7 +18815,7 @@ qemuDomainBlockCommit(virDomainPtr dom,
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jobname = job->name;
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nodetop = topSource->nodeformat;
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nodebase = baseSource->nodeformat;
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- device = disk->src->nodeformat;
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+ device = qemuDomainDiskGetTopNodename(disk);
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if (!backingPath && top_parent &&
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!(backingPath = qemuBlockGetBackingStoreString(baseSource)))
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goto endjob;
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--
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2.25.0
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