[PATCH 1/3] qemu: accept queue_size XML element

[Hiroki Narukawa <hnarukaw@xxxxxxxxxxxxx>]

---
 docs/schemas/domaincommon.rng | 5 +++++
 src/conf/domain_conf.c        | 6 ++++++
 src/conf/domain_conf.h        | 1 +
 3 files changed, 12 insertions(+)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 11fa24f398..fdc04f90aa 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2363,6 +2363,11 @@
           <ref name="positiveInteger"/>
         </attribute>
       </optional>
+      <optional>
+        <attribute name="queue_size">
+          <ref name="positiveInteger"/>
+        </attribute>
+      </optional>
       <ref name="virtioOptions"/>
       <optional>
         <element name="metadata_cache">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 6127513117..cfce32379e 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -8930,6 +8930,9 @@ virDomainDiskDefDriverParseXML(virDomainDiskDef *def,
     if (virXMLPropUInt(cur, "queues", 10, VIR_XML_PROP_NONE, &def->queues) < 0)
         return -1;
 
+    if (virXMLPropUInt(cur, "queue_size", 10, VIR_XML_PROP_NONE, &def->queue_size) < 0)
+        return -1;
+
     return 0;
 }
 
@@ -23416,6 +23419,9 @@ virDomainDiskDefFormatDriver(virBuffer *buf,
     if (disk->queues)
         virBufferAsprintf(&attrBuf, " queues='%u'", disk->queues);
 
+    if (disk->queue_size)
+        virBufferAsprintf(&attrBuf, " queue_size='%u'", disk->queue_size);
+
     virDomainVirtioOptionsFormat(&attrBuf, disk->virtio);
 
     if (disk->src->metadataCacheMaxSize > 0) {
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index c7e6df7981..688a842660 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -584,6 +584,7 @@ struct _virDomainDiskDef {
     virDomainDiskDetectZeroes detect_zeroes;
     char *domain_name; /* backend domain name */
     unsigned int queues;
+    unsigned int queue_size;
     virDomainDiskModel model;
     virDomainVirtioOptions *virtio;
 
-- 
2.17.1