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qemu: hotplug: Remove overlay of <transient> disk on disk unplug

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Remove the overlay if the disk was <transient/>. Note that even if we'd
forbid unplug of such a disk through the API, the disk can still be
ejected from the guest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-09-22 14:53:57 +02:00
parent cb62c23ff7
commit e86b16ced7
1 changed files with 9 additions and 0 deletions
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9
src/qemu/qemu_hotplug.c
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@ -4313,6 +4313,15 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
qemuHotplugRemoveManagedPR(driver, vm, QEMU_ASYNC_JOB_NONE) < 0)
goto cleanup;
if (disk->transient) {
VIR_DEBUG("Removing transient overlay '%s' of disk '%s'",
disk->src->path, disk->dst);
if (qemuDomainStorageFileInit(driver, vm, disk->src, NULL) >= 0) {
virStorageFileUnlink(disk->src);
virStorageFileDeinit(disk->src);
}
}
ret = 0;
cleanup: