[PATCH v3 6/6] qemu: Add transient disk handler to start and stop the guest

From: Masayoshi Mizuma <m.mizuma(a)jp.fujitsu.com&gt; The transient disk is attached before the guest starts. Remove the transient disk when the guest does shutdown. Signed-off-by: Masayoshi Mizuma <m.mizuma(a)jp.fujitsu.com&gt; --- src/qemu/qemu_process.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index b1af35b933..387b8071f4 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -60,6 +60,7 @@ #include "qemu_firmware.h" #include "qemu_backup.h" #include "qemu_dbus.h" +#include "qemu_snapshot.h" #include "cpu/cpu.h" #include "cpu/cpu_x86.h" @@ -7053,6 +7054,10 @@ qemuProcessLaunch(virConnectPtr conn, qemuProcessAutoDestroyAdd(driver, vm, conn) < 0) goto cleanup; + VIR_DEBUG("Setting up transient disk"); + if (qemuSnapshotCreateTransientDisk(driver, vm, asyncJob) < 0) + goto cleanup; + ret = 0; cleanup: @@ -7689,6 +7694,11 @@ void qemuProcessStop(virQEMUDriverPtr driver, } qemuBlockRemoveImageMetadata(driver, vm, disk->dst, disk->src); + + if ((disk->transient) && (disk->src->transientEstablished)) { + VIR_DEBUG("unlink transient disk: %s", disk->src->path); + unlink(disk->src->path); + } } } -- 2.27.0