[PATCH v4 05/11] qemu: Block disk hotplug when transient disk option is enabled

[Peter Krempa]

From: Masayoshi Mizuma <m.mizuma at jp.fujitsu.com>

For now we disable disk hotplug of transient disk as it requires
creating an overlay prior to adding the frontend.

Signed-off-by: Masayoshi Mizuma <m.mizuma at jp.fujitsu.com>
---
 src/qemu/qemu_hotplug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index fc0866c011..ed4d1580fa 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1031,6 +1031,12 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriverPtr driver,
         return -1;
     }

+    if (disk->transient) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+                       _("transient disk hotplug isn't supported"));
+        return -1;
+    }
+
     if (virDomainDiskTranslateSourcePool(disk) < 0)
         goto cleanup;

-- 
2.26.2