[libvirt] [PATCHv2 21/62] qemu: domain: Don't redetect backing chain when using -blockdev

We need to load the backing chain from the XML when using -blockdev. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- src/qemu/qemu_process.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 38e88404aa..d9acb4bd68 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -6024,8 +6024,10 @@ qemuProcessPrepareHostStorage(virQEMUDriverPtr driver, virDomainObjPtr vm, unsigned int flags) { + qemuDomainObjPrivatePtr priv = vm->privateData; size_t i; bool cold_boot = flags & VIR_QEMU_PROCESS_START_COLD; + bool blockdev = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV); for (i = vm->def->ndisks; i > 0; i--) { size_t idx = i - 1; @@ -6034,7 +6036,9 @@ qemuProcessPrepareHostStorage(virQEMUDriverPtr driver, if (virStorageSourceIsEmpty(disk->src)) continue; - virStorageSourceBackingStoreClear(disk->src); + /* backing chain needs to be redetected if we aren't using blockdev */ + if (!blockdev) + virStorageSourceBackingStoreClear(disk->src); if (qemuDomainDetermineDiskChain(driver, vm, disk, true) >= 0) continue; @@ -7710,7 +7714,8 @@ qemuProcessReconnect(void *opaque) goto error; /* backing chains need to be refreshed only if they could change */ - if (priv->reconnectBlockjobs != VIR_TRISTATE_BOOL_NO) { + if (priv->reconnectBlockjobs != VIR_TRISTATE_BOOL_NO && + !virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) { /* This should be the only place that calls * qemuDomainDetermineDiskChain with @report_broken == false * to guarantee best-effort domain reconnect */ -- 2.16.2