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From 70cf28f452df43cec98387b3039c3b8c5dda10d4 Mon Sep 17 00:00:00 2001
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Message-Id: <70cf28f452df43cec98387b3039c3b8c5dda10d4@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 4 Feb 2020 15:08:16 +0100
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Subject: [PATCH] qemu: block: Extract calls of qemuBlockGetNamedNodeData into
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a helper function
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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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Create a wrapper for qemuBlockGetNamedNodeData named
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qemuBlockGetNamedNodeData. The purpose of the wrapper is to integrate
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the monitor handling functionality and in the future possible
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qemuCaps-based flags.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 5ddfac11698ec230626e12d077206210424c9bb2)
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https://bugzilla.redhat.com/show_bug.cgi?id=1207659
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Message-Id: <5527853a9417cf84812cadb842b934ff67de1ea4.1580824112.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_backup.c | 5 +----
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src/qemu/qemu_block.c | 20 ++++++++++++++++++++
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src/qemu/qemu_block.h | 4 ++++
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src/qemu/qemu_driver.c | 16 ++++------------
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4 files changed, 29 insertions(+), 16 deletions(-)
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diff --git a/src/qemu/qemu_backup.c b/src/qemu/qemu_backup.c
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index 23518a5d40..8b1e9a7e19 100644
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--- a/src/qemu/qemu_backup.c
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+++ b/src/qemu/qemu_backup.c
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@@ -830,10 +830,7 @@ qemuBackupBegin(virDomainObjPtr vm,
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goto endjob;
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}
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- if (qemuDomainObjEnterMonitorAsync(priv->driver, vm, QEMU_ASYNC_JOB_BACKUP) < 0)
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- goto endjob;
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- blockNamedNodeData = qemuMonitorBlockGetNamedNodeData(priv->mon);
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- if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || !blockNamedNodeData)
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+ if (!(blockNamedNodeData = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_BACKUP)))
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goto endjob;
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if ((ndd = qemuBackupDiskPrepareData(vm, def, incremental, blockNamedNodeData,
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diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
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index 22f03da485..13e240fdac 100644
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--- a/src/qemu/qemu_block.c
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+++ b/src/qemu/qemu_block.c
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@@ -2670,3 +2670,23 @@ qemuBlockNamedNodeDataGetBitmapByName(virHashTablePtr blockNamedNodeData,
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return NULL;
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}
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+
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+
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+virHashTablePtr
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+qemuBlockGetNamedNodeData(virDomainObjPtr vm,
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+ qemuDomainAsyncJob asyncJob)
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+{
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+ qemuDomainObjPrivatePtr priv = vm->privateData;
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+ virQEMUDriverPtr driver = priv->driver;
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+ g_autoptr(virHashTable) blockNamedNodeData = NULL;
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+
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+ if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
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+ return NULL;
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+
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+ blockNamedNodeData = qemuMonitorBlockGetNamedNodeData(priv->mon);
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+
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+ if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockNamedNodeData)
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+ return NULL;
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+
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+ return g_steal_pointer(&blockNamedNodeData);
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+}
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diff --git a/src/qemu/qemu_block.h b/src/qemu/qemu_block.h
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index 1a38e0eccf..68646cbf2e 100644
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--- a/src/qemu/qemu_block.h
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+++ b/src/qemu/qemu_block.h
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@@ -208,3 +208,7 @@ qemuBlockNamedNodeDataBitmapPtr
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qemuBlockNamedNodeDataGetBitmapByName(virHashTablePtr blockNamedNodeData,
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virStorageSourcePtr src,
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const char *bitmap);
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+
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+virHashTablePtr
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+qemuBlockGetNamedNodeData(virDomainObjPtr vm,
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+ qemuDomainAsyncJob asyncJob);
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diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
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index e19e1da0bb..f7ad2dca28 100644
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--- a/src/qemu/qemu_driver.c
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+++ b/src/qemu/qemu_driver.c
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@@ -15622,15 +15622,9 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
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if (!(actions = virJSONValueNewArray()))
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return -1;
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- if (blockdev) {
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- if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
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- return -1;
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-
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- blockNamedNodeData = qemuMonitorBlockGetNamedNodeData(priv->mon);
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-
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- if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockNamedNodeData)
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- return -1;
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- }
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+ if (blockdev &&
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+ !(blockNamedNodeData = qemuBlockGetNamedNodeData(vm, asyncJob)))
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+ return -1;
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/* prepare a list of objects to use in the vm definition so that we don't
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* have to roll back later */
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@@ -18334,9 +18328,7 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
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priv->qemuCaps)))
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goto endjob;
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} else {
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- qemuDomainObjEnterMonitor(driver, vm);
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- blockNamedNodeData = qemuMonitorBlockGetNamedNodeData(priv->mon);
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- if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockNamedNodeData)
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+ if (!(blockNamedNodeData = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_NONE)))
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goto endjob;
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if (qemuBlockStorageSourceCreateDetectSize(blockNamedNodeData,
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--
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2.25.0
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