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From 8e5be603c7e3ab3679af498a30cc510177c20514 Mon Sep 17 00:00:00 2001
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Message-Id: <8e5be603c7e3ab3679af498a30cc510177c20514@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Mon, 16 Mar 2020 22:12:32 +0100
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Subject: [PATCH] qemu: blockjob: Re-enable bitmaps after failed block-commit
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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If a block-commit fails we should at least re-enable the bitmaps so that
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the operation can be re-tried.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 4a39b25c81d40d8d2b5d4e33c53b3660aa4c9fda)
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https://bugzilla.redhat.com/show_bug.cgi?id=1799013
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Message-Id: <34dd58f94ac59b5ef970070c07a36ced6bbe77af.1584391727.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_blockjob.c | 42 ++++++++++++++++++++++++++++++++++++++--
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1 file changed, 40 insertions(+), 2 deletions(-)
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diff --git a/src/qemu/qemu_blockjob.c b/src/qemu/qemu_blockjob.c
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index 0b7e1403e6..21a043d369 100644
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--- a/src/qemu/qemu_blockjob.c
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+++ b/src/qemu/qemu_blockjob.c
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@@ -1345,6 +1345,40 @@ qemuBlockJobProcessEventFailedActiveCommit(virQEMUDriverPtr driver,
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}
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+static void
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+qemuBlockJobProcessEventFailedCommitCommon(virDomainObjPtr vm,
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+ qemuBlockJobDataPtr job,
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+ qemuDomainAsyncJob asyncJob)
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+{
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+ qemuDomainObjPrivatePtr priv = vm->privateData;
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+ g_autoptr(virJSONValue) actions = virJSONValueNewArray();
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+ char **disabledBitmaps = job->data.commit.disabledBitmapsBase;
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+
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+ if (!disabledBitmaps || !*disabledBitmaps)
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+ return;
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+
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+ for (; *disabledBitmaps; disabledBitmaps++) {
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+ qemuMonitorTransactionBitmapEnable(actions,
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+ job->data.commit.base->nodeformat,
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+ *disabledBitmaps);
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+ }
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+
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+ if (qemuBlockReopenReadWrite(vm, job->data.commit.base, asyncJob) < 0)
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+ return;
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+
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+ if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, asyncJob) < 0)
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+ return;
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+
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+ qemuMonitorTransaction(priv->mon, &actions);
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+
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+ if (qemuDomainObjExitMonitor(priv->driver, vm) < 0)
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+ return;
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+
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+ if (qemuBlockReopenReadOnly(vm, job->data.commit.base, asyncJob) < 0)
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+ return;
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+}
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+
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+
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static void
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qemuBlockJobProcessEventConcludedCreate(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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@@ -1452,13 +1486,17 @@ qemuBlockJobEventProcessConcludedTransition(qemuBlockJobDataPtr job,
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case QEMU_BLOCKJOB_TYPE_COMMIT:
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if (success)
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qemuBlockJobProcessEventCompletedCommit(driver, vm, job, asyncJob);
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+ else
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+ qemuBlockJobProcessEventFailedCommitCommon(vm, job, asyncJob);
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break;
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case QEMU_BLOCKJOB_TYPE_ACTIVE_COMMIT:
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- if (success)
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+ if (success) {
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qemuBlockJobProcessEventCompletedActiveCommit(driver, vm, job, asyncJob);
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- else
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+ } else {
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qemuBlockJobProcessEventFailedActiveCommit(driver, vm, job);
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+ qemuBlockJobProcessEventFailedCommitCommon(vm, job, asyncJob);
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+ }
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break;
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case QEMU_BLOCKJOB_TYPE_CREATE:
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--
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2.25.1
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