60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
From 57493d29be457a3b2a9f0c781e2a82968ec3e01d Mon Sep 17 00:00:00 2001
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Message-Id: <57493d29be457a3b2a9f0c781e2a82968ec3e01d@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 12 May 2020 17:24:09 +0200
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Subject: [PATCH] qemuBlockStorageSourceCreateFormat: Force write access when
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formatting images
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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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We need qemu to be able to write the newly created images so that it can
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format them to the specified storage format.
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Force write access by relabelling the images when formatting.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 10d62782798cd6e4d472a764575c189247a263b3)
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https://bugzilla.redhat.com/show_bug.cgi?id=1832204
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Message-Id: <0370c95a3990f94ef136d2de6df63d34989c672a.1589296861.git.pkrempa@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_block.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
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index 6790f05ff7..a44774c237 100644
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--- a/src/qemu/qemu_block.c
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+++ b/src/qemu/qemu_block.c
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@@ -2658,6 +2658,12 @@ qemuBlockStorageSourceCreate(virDomainObjPtr vm,
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return -1;
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}
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+ /* grant write access to read-only images during formatting */
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+ if (src->readonly &&
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+ qemuDomainStorageSourceAccessAllow(priv->driver, vm, src, false,
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+ false, true) < 0)
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+ return -1;
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+
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if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
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goto cleanup;
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@@ -2684,6 +2690,12 @@ qemuBlockStorageSourceCreate(virDomainObjPtr vm,
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asyncJob) < 0)
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goto cleanup;
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+ /* revoke write access to read-only images during formatting */
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+ if (src->readonly &&
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+ qemuDomainStorageSourceAccessAllow(priv->driver, vm, src, true,
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+ false, true) < 0)
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+ goto cleanup;
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+
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if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
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goto cleanup;
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--
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2.26.2
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