Re: [RFC PATCH 02/16] qemu: checkpoint: split out checkpoint deletion bitmaps

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On 1/9/20 12:21 PM, Peter Krempa wrote:
qemuCheckpointDiscard is a massive function that can be separated into
smaller bits. Extract the part that actually modifies the disk from the
metadata handling.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
  src/qemu/qemu_checkpoint.c | 137 ++++++++++++++++++++-----------------
  1 file changed, 76 insertions(+), 61 deletions(-)

diff --git a/src/qemu/qemu_checkpoint.c b/src/qemu/qemu_checkpoint.c
index d13d4c2a37..9ff3129570 100644
--- a/src/qemu/qemu_checkpoint.c
+++ b/src/qemu/qemu_checkpoint.c
@@ -104,6 +104,81 @@ qemuCheckpointWriteMetadata(virDomainObjPtr vm,
  }


+static int
+qemuCheckpointDiscardBitmaps(virDomainObjPtr vm,
+                             virDomainCheckpointDefPtr chkdef,
+                             bool chkcurrent,
+                             virDomainMomentObjPtr parent)
+{
+    qemuDomainObjPrivatePtr priv = vm->privateData;
+    virQEMUDriverPtr driver = priv->driver;
+    virDomainMomentObjPtr moment;
+    virDomainCheckpointDefPtr parentdef = NULL;
+    bool search_parents;
+    int rc;
+    g_autoptr(virJSONValue) actions = NULL;
+    size_t i;
+    size_t j;
+
+    if (!(actions = virJSONValueNewArray()))
+        return -1;

Can virJSONValueNewArray() still return failure now that we have shifted to using g_new()?

But changing it (if needed) should be independent of the code motion shown here.

Reviewed-by: Eric Blake <eblake@xxxxxxxxxx>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org




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