[PATCH v2 06/15] qemu: blockjob: Use qemuMonitorBitmapRemove for single bitmap removal

Peter Krempa pkrempa at redhat.com
Fri Feb 19 11:58:18 UTC 2021


There's no need in the cleanup steps to invoke a transaction to delete a
single bitmap.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
Reviewed-by: Jiri Denemark <jdenemar at redhat.com>
---
 src/qemu/qemu_blockjob.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/src/qemu/qemu_blockjob.c b/src/qemu/qemu_blockjob.c
index 582fe45c66..aa065b1319 100644
--- a/src/qemu/qemu_blockjob.c
+++ b/src/qemu/qemu_blockjob.c
@@ -1420,7 +1420,6 @@ qemuBlockJobProcessEventFailedActiveCommit(virQEMUDriverPtr driver,
                                            qemuDomainAsyncJob asyncJob)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    g_autoptr(virJSONValue) actions = virJSONValueNewArray();
     virDomainDiskDefPtr disk = job->disk;

     VIR_DEBUG("active commit job '%s' on VM '%s' failed", job->name, vm->def->name);
@@ -1428,13 +1427,12 @@ qemuBlockJobProcessEventFailedActiveCommit(virQEMUDriverPtr driver,
     if (!disk)
         return;

-    ignore_value(qemuMonitorTransactionBitmapRemove(actions, disk->mirror->nodeformat,
-                                                    "libvirt-tmp-activewrite"));
-
     if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
         return;

-    qemuMonitorTransaction(priv->mon, &actions);
+    qemuMonitorBitmapRemove(priv->mon,
+                            disk->mirror->nodeformat,
+                            "libvirt-tmp-activewrite");

     if (qemuDomainObjExitMonitor(priv->driver, vm) < 0)
         return;
@@ -1502,7 +1500,6 @@ qemuBlockJobProcessEventConcludedBackup(virQEMUDriverPtr driver,
                                         unsigned long long progressTotal)
 {
     g_autoptr(qemuBlockStorageSourceAttachData) backend = NULL;
-    g_autoptr(virJSONValue) actions = NULL;

     qemuBackupNotifyBlockjobEnd(vm, job->disk, newstate, job->errmsg,
                                 progressCurrent, progressTotal, asyncJob);
@@ -1511,23 +1508,16 @@ qemuBlockJobProcessEventConcludedBackup(virQEMUDriverPtr driver,
         !(backend = qemuBlockStorageSourceDetachPrepare(job->data.backup.store, NULL)))
         return;

-    if (job->data.backup.bitmap) {
-        actions = virJSONValueNewArray();
-
-        if (qemuMonitorTransactionBitmapRemove(actions,
-                                               job->disk->src->nodeformat,
-                                               job->data.backup.bitmap) < 0)
-            return;
-    }
-
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
         return;

     if (backend)
         qemuBlockStorageSourceAttachRollback(qemuDomainGetMonitor(vm), backend);

-    if (actions)
-        qemuMonitorTransaction(qemuDomainGetMonitor(vm), &actions);
+    if (job->data.backup.bitmap)
+        qemuMonitorBitmapRemove(qemuDomainGetMonitor(vm),
+                                job->disk->src->nodeformat,
+                                job->data.backup.bitmap);

     if (qemuDomainObjExitMonitor(driver, vm) < 0)
         return;
-- 
2.29.2




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