[PATCH 1/9] checkpoint: Mention that VIR_DOMAIN_CHECKPOINT_XML_SIZE may require running vm

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The qemu implementation requires that the VM associated with the
checkpoint is running when checking the size. Mention this possibility
with the flag.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/libvirt-domain-checkpoint.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libvirt-domain-checkpoint.c b/src/libvirt-domain-checkpoint.c
index 8a7b55dcd2..e9af8e4cf0 100644
--- a/src/libvirt-domain-checkpoint.c
+++ b/src/libvirt-domain-checkpoint.c
@@ -192,7 +192,9 @@ virDomainCheckpointCreateXML(virDomainPtr domain,
  * attribute that shows an estimate of the current size in bytes that
  * have been dirtied between the time the checkpoint was created and the
  * current point in time. Note that updating the size may be expensive and
- * data will be inaccurate once guest OS writes to the disk.
+ * data will be inaccurate once guest OS writes to the disk. Also note that
+ * hypervisors may require that the domain associated with @checkpoint is
+ * running when VIR_DOMAIN_CHECKPOINT_XML_SIZE is used.
  *
  * Returns a 0 terminated UTF-8 encoded XML instance or NULL in case
  * of error. The caller must free() the returned value.
-- 
2.26.2




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