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[PATCH v3 6/6] qemu: Add transient disk handler to start and stop the gu
From: |
Masayoshi Mizuma |
Subject: |
[PATCH v3 6/6] qemu: Add transient disk handler to start and stop the guest |
Date: |
Thu, 17 Sep 2020 09:30:45 -0400 |
From: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
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@jp.fujitsu.com>
---
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
- Re: [PATCH v3 1/6] qemu: Block blockjobs when transient disk option is enabled, (continued)
[PATCH v3 2/6] qemu: Block disk hotplug when transient disk option is enabled, Masayoshi Mizuma, 2020/09/17
[PATCH v3 3/6] qemu: Block migration when transient disk option is enabled, Masayoshi Mizuma, 2020/09/17
[PATCH v3 4/6] qemu: update the validation for transient disk option, Masayoshi Mizuma, 2020/09/17
[PATCH v3 5/6] qemu: Introduce to handle transient disk, Masayoshi Mizuma, 2020/09/17
[PATCH v3 6/6] qemu: Add transient disk handler to start and stop the guest,
Masayoshi Mizuma <=