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qemuBlockStorageSourceCreateFormat: Force write access when formatting images

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We need qemu to be able to write the newly created images so that it can
format them to the specified storage format.

Force write access by relabelling the images when formatting.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-05-11 14:23:13 +02:00
parent 20939b037c
commit 10d6278279
1 changed files with 12 additions and 0 deletions
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12
src/qemu/qemu_block.c
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@ -2671,6 +2671,12 @@ qemuBlockStorageSourceCreate(virDomainObjPtr vm,
return -1;
}
/* grant write access to read-only images during formatting */
if (src->readonly &&
qemuDomainStorageSourceAccessAllow(priv->driver, vm, src, false,
false, true) < 0)
return -1;
if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
goto cleanup;
@ -2697,6 +2703,12 @@ qemuBlockStorageSourceCreate(virDomainObjPtr vm,
asyncJob) < 0)
goto cleanup;
/* revoke write access to read-only images during formatting */
if (src->readonly &&
qemuDomainStorageSourceAccessAllow(priv->driver, vm, src, true,
false, true) < 0)
goto cleanup;
if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
goto cleanup;