[PATCH 11/34] conf: Move backingStore formating into virDomainDiskSourceFormat

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Move the recursion to format the full backing store into
virDomainDiskSourceFormat controlled by a new argument so that it's
simpler to reuse in other places.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/conf/domain_conf.c   | 30 +++++++++++++++---------------
 src/conf/domain_conf.h   |  1 +
 src/conf/snapshot_conf.c |  2 +-
 tests/qemublocktest.c    |  2 +-
 tests/virstoragetest.c   |  2 +-
 5 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 9d738f06cd..b67f9bbd2c 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -23897,11 +23897,7 @@ virDomainDiskBackingStoreFormat(virBufferPtr buf,
                       virStorageFileFormatTypeToString(backingStore->format));
     /* We currently don't output seclabels for backing chain element */
     if (virDomainDiskSourceFormat(&childBuf, backingStore, 0, flags, false,
-                                  false, xmlopt) < 0)
-        return -1;
-
-    if (virDomainDiskBackingStoreFormat(&childBuf, backingStore->backingStore,
-                                        xmlopt, flags) < 0)
+                                  false, true, xmlopt) < 0)
         return -1;

     return virXMLFormatElement(buf, "backingStore", &attrBuf, &childBuf);
@@ -23954,6 +23950,7 @@ virDomainDiskSourceFormat(virBufferPtr buf,
                           unsigned int flags,
                           bool seclabels,
                           bool attrIndex,
+                          bool backingStore,
                           virDomainXMLOptionPtr xmlopt)
 {
     VIR_AUTOCLEAN(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
@@ -23962,10 +23959,18 @@ virDomainDiskSourceFormat(virBufferPtr buf,
     virBufferSetChildIndent(&childBuf, buf);

     if (virDomainStorageSourceFormat(&attrBuf, &childBuf, src, flags,
-                                     seclabels, attrIndex, policy, xmlopt) < 0)
+                                     seclabels, attrIndex,
+                                     policy, xmlopt) < 0)
         return -1;

-    return virXMLFormatElement(buf, "source", &attrBuf, &childBuf);
+    if (virXMLFormatElement(buf, "source", &attrBuf, &childBuf) < 0)
+        return -1;
+
+    if (backingStore && src->backingStore &&
+        virDomainDiskBackingStoreFormat(buf, src->backingStore, xmlopt, flags) < 0)
+        return -1;
+
+    return 0;
 }


@@ -24119,7 +24124,8 @@ virDomainDiskDefFormatMirror(virBufferPtr buf,
     virBufferAddLit(buf, ">\n");
     virBufferAdjustIndent(buf, 2);
     virBufferEscapeString(buf, "<format type='%s'/>\n", formatStr);
-    if (virDomainDiskSourceFormat(buf, disk->mirror, 0, 0, true, false, xmlopt) < 0)
+    if (virDomainDiskSourceFormat(buf, disk->mirror, 0, 0, true, false, false,
+                                  xmlopt) < 0)
         return -1;
     virBufferAdjustIndent(buf, -2);
     virBufferAddLit(buf, "</mirror>\n");
@@ -24216,13 +24222,7 @@ virDomainDiskDefFormat(virBufferPtr buf,
         virStorageAuthDefFormat(buf, def->src->auth);

     if (virDomainDiskSourceFormat(buf, def->src, def->startupPolicy,
-                                  flags, true, true, xmlopt) < 0)
-        return -1;
-
-    /* Don't format backingStore to inactive XMLs until the code for
-     * persistent storage of backing chains is ready. */
-    if (virDomainDiskBackingStoreFormat(buf, def->src->backingStore,
-                                        xmlopt, flags) < 0)
+                                  flags, true, true, true, xmlopt) < 0)
         return -1;

     virBufferEscapeString(buf, "<backenddomain name='%s'/>\n", def->domain_name);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 7ea9822fe4..b373dbf939 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3018,6 +3018,7 @@ int virDomainDiskSourceFormat(virBufferPtr buf,
                               unsigned int flags,
                               bool seclabels,
                               bool attrIndex,
+                              bool backingStore,
                               virDomainXMLOptionPtr xmlopt);

 int virDomainNetDefFormat(virBufferPtr buf,
diff --git a/src/conf/snapshot_conf.c b/src/conf/snapshot_conf.c
index a849a58da3..bc4b9c8f11 100644
--- a/src/conf/snapshot_conf.c
+++ b/src/conf/snapshot_conf.c
@@ -768,7 +768,7 @@ virDomainSnapshotDiskDefFormat(virBufferPtr buf,
     if (disk->src->format > 0)
         virBufferEscapeString(buf, "<driver type='%s'/>\n",
                               virStorageFileFormatTypeToString(disk->src->format));
-    if (virDomainDiskSourceFormat(buf, disk->src, 0, 0, true, false, xmlopt) < 0)
+    if (virDomainDiskSourceFormat(buf, disk->src, 0, 0, true, false, false, xmlopt) < 0)
         return -1;

     virBufferAdjustIndent(buf, -2);
diff --git a/tests/qemublocktest.c b/tests/qemublocktest.c
index 6b5571b7cb..f40cba36cd 100644
--- a/tests/qemublocktest.c
+++ b/tests/qemublocktest.c
@@ -87,7 +87,7 @@ testBackingXMLjsonXML(const void *args)
         goto cleanup;
     }

-    if (virDomainDiskSourceFormat(&buf, jsonsrc, 0, 0, true, false, NULL) < 0 ||
+    if (virDomainDiskSourceFormat(&buf, jsonsrc, 0, 0, true, false, false, NULL) < 0 ||
         !(actualxml = virBufferContentAndReset(&buf))) {
         fprintf(stderr, "failed to format disk source xml\n");
         goto cleanup;
diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
index 75c60da537..9a11f5bfe8 100644
--- a/tests/virstoragetest.c
+++ b/tests/virstoragetest.c
@@ -657,7 +657,7 @@ testBackingParse(const void *args)
         goto cleanup;
     }

-    if (virDomainDiskSourceFormat(&buf, src, 0, 0, true, false, NULL) < 0 ||
+    if (virDomainDiskSourceFormat(&buf, src, 0, 0, true, false, false, NULL) < 0 ||
         !(xml = virBufferContentAndReset(&buf))) {
         fprintf(stderr, "failed to format disk source xml\n");
         goto cleanup;
-- 
2.20.1

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