[PATCH 05/16] snapshot: Drop virDomainSnapshotDef.current

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The only use for the 'current' member of virDomainSnapshotDef was with
the PARSE/FORMAT_INTERNAL flag for controlling an internal-use
<active> element marking whether a particular snapshot definition was
current, and even then, only by the qemu driver on output, and by qemu
and test driver on input. But this duplicates vm->snapshot_current,
and gets in the way of potential simplifications to have qemu store a
single file for all snapshots rather than one file per snapshot.  Get
rid of the member by adding a bool* parameter during parse (ignored if
the PARSE_INTERNAL flag is not set), and by adding a new flag during
format (if FORMAT_INTERNAL is set, the value printed in <active>
depends on the new FORMAT_CURRENT).  Then update the qemu driver
accordingly.

Signed-off-by: Eric Blake <eblake@xxxxxxxxxx>
---
 src/conf/snapshot_conf.h            |  6 ++--
 src/conf/snapshot_conf.c            | 18 ++++++----
 src/conf/virdomainsnapshotobjlist.c |  4 +--
 src/esx/esx_driver.c                |  2 +-
 src/qemu/qemu_domain.c              | 18 +++++-----
 src/qemu/qemu_driver.c              | 51 +++++++++++++++--------------
 src/test/test_driver.c              |  5 ++-
 src/vbox/vbox_common.c              |  4 +--
 src/vz/vz_driver.c                  |  3 +-
 tests/domainsnapshotxml2xmltest.c   |  5 ++-
 10 files changed, 66 insertions(+), 50 deletions(-)

diff --git a/src/conf/snapshot_conf.h b/src/conf/snapshot_conf.h
index 7230b9950f..b13a500af4 100644
--- a/src/conf/snapshot_conf.h
+++ b/src/conf/snapshot_conf.h
@@ -88,9 +88,6 @@ struct _virDomainSnapshotDef {
     virDomainDefPtr dom;

     virObjectPtr cookie;
-
-    /* Internal use.  */
-    bool current; /* At most one snapshot in the list should have this set */
 };

 typedef enum {
@@ -103,6 +100,7 @@ typedef enum {
 typedef enum {
     VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE   = 1 << 0,
     VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL = 1 << 1,
+    VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT  = 1 << 2,
 } virDomainSnapshotFormatFlags;

 unsigned int virDomainSnapshotFormatConvertXMLFlags(unsigned int flags);
@@ -110,11 +108,13 @@ unsigned int virDomainSnapshotFormatConvertXMLFlags(unsigned int flags);
 virDomainSnapshotDefPtr virDomainSnapshotDefParseString(const char *xmlStr,
                                                         virCapsPtr caps,
                                                         virDomainXMLOptionPtr xmlopt,
+                                                        bool *current,
                                                         unsigned int flags);
 virDomainSnapshotDefPtr virDomainSnapshotDefParseNode(xmlDocPtr xml,
                                                       xmlNodePtr root,
                                                       virCapsPtr caps,
                                                       virDomainXMLOptionPtr xmlopt,
+                                                      bool *current,
                                                       unsigned int flags);
 void virDomainSnapshotDefFree(virDomainSnapshotDefPtr def);
 char *virDomainSnapshotDefFormat(const char *uuidstr,
diff --git a/src/conf/snapshot_conf.c b/src/conf/snapshot_conf.c
index ffb1313c89..bf5fdc0647 100644
--- a/src/conf/snapshot_conf.c
+++ b/src/conf/snapshot_conf.c
@@ -184,12 +184,14 @@ virDomainSnapshotDiskDefParseXML(xmlNodePtr node,

 /* flags is bitwise-or of virDomainSnapshotParseFlags.
  * If flags does not include VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE, then
- * caps are ignored.
+ * caps are ignored. If flags does not include
+ * VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL, then current is ignored.
  */
 static virDomainSnapshotDefPtr
 virDomainSnapshotDefParse(xmlXPathContextPtr ctxt,
                           virCapsPtr caps,
                           virDomainXMLOptionPtr xmlopt,
+                          bool *current,
                           unsigned int flags)
 {
     virDomainSnapshotDefPtr def = NULL;
@@ -350,7 +352,7 @@ virDomainSnapshotDefParse(xmlXPathContextPtr ctxt,
                            _("Could not find 'active' element"));
             goto cleanup;
         }
-        def->current = active != 0;
+        *current = active != 0;
     }

     if (!offline && virSaveCookieParse(ctxt, &def->cookie, saveCookie) < 0)
@@ -374,6 +376,7 @@ virDomainSnapshotDefParseNode(xmlDocPtr xml,
                               xmlNodePtr root,
                               virCapsPtr caps,
                               virDomainXMLOptionPtr xmlopt,
+                              bool *current,
                               unsigned int flags)
 {
     xmlXPathContextPtr ctxt = NULL;
@@ -391,7 +394,7 @@ virDomainSnapshotDefParseNode(xmlDocPtr xml,
     }

     ctxt->node = root;
-    def = virDomainSnapshotDefParse(ctxt, caps, xmlopt, flags);
+    def = virDomainSnapshotDefParse(ctxt, caps, xmlopt, current, flags);
  cleanup:
     xmlXPathFreeContext(ctxt);
     return def;
@@ -401,6 +404,7 @@ virDomainSnapshotDefPtr
 virDomainSnapshotDefParseString(const char *xmlStr,
                                 virCapsPtr caps,
                                 virDomainXMLOptionPtr xmlopt,
+                                bool *current,
                                 unsigned int flags)
 {
     virDomainSnapshotDefPtr ret = NULL;
@@ -410,7 +414,7 @@ virDomainSnapshotDefParseString(const char *xmlStr,
     if ((xml = virXMLParse(NULL, xmlStr, _("(domain_snapshot)")))) {
         xmlKeepBlanksDefault(keepBlanksDefault);
         ret = virDomainSnapshotDefParseNode(xml, xmlDocGetRootElement(xml),
-                                            caps, xmlopt, flags);
+                                            caps, xmlopt, current, flags);
         xmlFreeDoc(xml);
     }
     xmlKeepBlanksDefault(keepBlanksDefault);
@@ -849,7 +853,8 @@ virDomainSnapshotDefFormatInternal(virBufferPtr buf,
         goto error;

     if (flags & VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL)
-        virBufferAsprintf(buf, "<active>%d</active>\n", def->current);
+        virBufferAsprintf(buf, "<active>%d</active>\n",
+                          !!(flags & VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT));

     virBufferAdjustIndent(buf, -2);
     virBufferAddLit(buf, "</domainsnapshot>\n");
@@ -875,7 +880,8 @@ virDomainSnapshotDefFormat(const char *uuidstr,
     virBuffer buf = VIR_BUFFER_INITIALIZER;

     virCheckFlags(VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE |
-                  VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL, NULL);
+                  VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL |
+                  VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT, NULL);
     if (virDomainSnapshotDefFormatInternal(&buf, uuidstr, def, caps,
                                            xmlopt, flags) < 0)
         return NULL;
diff --git a/src/conf/virdomainsnapshotobjlist.c b/src/conf/virdomainsnapshotobjlist.c
index e2f2110108..be44bdde71 100644
--- a/src/conf/virdomainsnapshotobjlist.c
+++ b/src/conf/virdomainsnapshotobjlist.c
@@ -108,7 +108,8 @@ virDomainSnapshotObjListParse(const char *xmlStr,
         virDomainSnapshotDefPtr def;
         virDomainSnapshotObjPtr snap;

-        def = virDomainSnapshotDefParseNode(xml, nodes[i], caps, xmlopt, flags);
+        def = virDomainSnapshotDefParseNode(xml, nodes[i], caps, xmlopt, NULL,
+                                            flags);
         if (!def)
             goto cleanup;
         if (!(snap = virDomainSnapshotAssignDef(snapshots, def))) {
@@ -134,7 +135,6 @@ virDomainSnapshotObjListParse(const char *xmlStr,
                            _("no snapshot matching current='%s'"), current);
             goto cleanup;
         }
-        (*current_snap)->def->current = true;
     }

     ret = 0;
diff --git a/src/esx/esx_driver.c b/src/esx/esx_driver.c
index c016f8051f..1c6a2dcb71 100644
--- a/src/esx/esx_driver.c
+++ b/src/esx/esx_driver.c
@@ -4102,7 +4102,7 @@ esxDomainSnapshotCreateXML(virDomainPtr domain, const char *xmlDesc,
         return NULL;

     def = virDomainSnapshotDefParseString(xmlDesc, priv->caps,
-                                          priv->xmlopt, 0);
+                                          priv->xmlopt, NULL, 0);

     if (!def)
         return NULL;
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 86e80391e1..f8387339f0 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -8458,11 +8458,14 @@ qemuDomainSnapshotWriteMetadata(virDomainObjPtr vm,
     char *snapDir = NULL;
     char *snapFile = NULL;
     char uuidstr[VIR_UUID_STRING_BUFLEN];
+    unsigned int flags = VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE |
+        VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL;

+    if (vm->current_snapshot == snapshot)
+        flags |= VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT;
     virUUIDFormat(vm->def->uuid, uuidstr);
-    newxml = virDomainSnapshotDefFormat(
-        uuidstr, snapshot->def, caps, xmlopt,
-        VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE | VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL);
+    newxml = virDomainSnapshotDefFormat(uuidstr, snapshot->def, caps, xmlopt,
+                                        flags);
     if (newxml == NULL)
         return -1;

@@ -8612,6 +8615,7 @@ qemuDomainSnapshotDiscard(virQEMUDriverPtr driver,
         goto cleanup;

     if (snap == vm->current_snapshot) {
+        vm->current_snapshot = NULL;
         if (update_parent && snap->def->parent) {
             parentsnap = virDomainSnapshotFindByName(vm->snapshots,
                                                      snap->def->parent);
@@ -8619,18 +8623,16 @@ qemuDomainSnapshotDiscard(virQEMUDriverPtr driver,
                 VIR_WARN("missing parent snapshot matching name '%s'",
                          snap->def->parent);
             } else {
-                parentsnap->def->current = true;
+                vm->current_snapshot = parentsnap;
                 if (qemuDomainSnapshotWriteMetadata(vm, parentsnap, driver->caps,
                                                     driver->xmlopt,
                                                     cfg->snapshotDir) < 0) {
                     VIR_WARN("failed to set parent snapshot '%s' as current",
                              snap->def->parent);
-                    parentsnap->def->current = false;
-                    parentsnap = NULL;
+                    vm->current_snapshot = NULL;
                 }
             }
         }
-        vm->current_snapshot = parentsnap;
     }

     if (unlink(snapFile) < 0)
@@ -8656,7 +8658,7 @@ int qemuDomainSnapshotDiscardAll(void *payload,
     virQEMUSnapRemovePtr curr = data;
     int err;

-    if (snap->def->current)
+    if (curr->vm->current_snapshot == snap)
         curr->current = true;
     err = qemuDomainSnapshotDiscard(curr->driver, curr->vm, snap, false,
                                     curr->metadata_only);
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 6e504dd17c..7e0e76a31a 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -419,6 +419,7 @@ qemuDomainSnapshotLoad(virDomainObjPtr vm,
     virDomainSnapshotDefPtr def = NULL;
     virDomainSnapshotObjPtr snap = NULL;
     virDomainSnapshotObjPtr current = NULL;
+    bool cur;
     unsigned int flags = (VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE |
                           VIR_DOMAIN_SNAPSHOT_PARSE_DISKS |
                           VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL);
@@ -465,7 +466,7 @@ qemuDomainSnapshotLoad(virDomainObjPtr vm,
         }

         def = virDomainSnapshotDefParseString(xmlStr, caps,
-                                              qemu_driver->xmlopt,
+                                              qemu_driver->xmlopt, &cur,
                                               flags);
         if (def == NULL) {
             /* Nothing we can do here, skip this one */
@@ -480,7 +481,7 @@ qemuDomainSnapshotLoad(virDomainObjPtr vm,
         snap = virDomainSnapshotAssignDef(vm->snapshots, def);
         if (snap == NULL) {
             virDomainSnapshotDefFree(def);
-        } else if (snap->def->current) {
+        } else if (cur) {
             current = snap;
             if (!vm->current_snapshot)
                 vm->current_snapshot = snap;
@@ -15661,6 +15662,7 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
     virDomainSnapshotObjPtr snap = NULL;
     virDomainSnapshotPtr snapshot = NULL;
     virDomainSnapshotDefPtr def = NULL;
+    virDomainSnapshotObjPtr current = NULL;
     bool update_current = true;
     bool redefine = flags & VIR_DOMAIN_SNAPSHOT_CREATE_REDEFINE;
     unsigned int parse_flags = VIR_DOMAIN_SNAPSHOT_PARSE_DISKS;
@@ -15722,7 +15724,7 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
         parse_flags |= VIR_DOMAIN_SNAPSHOT_PARSE_OFFLINE;

     if (!(def = virDomainSnapshotDefParseString(xmlDesc, caps, driver->xmlopt,
-                                                parse_flags)))
+                                                NULL, parse_flags)))
         goto cleanup;

     /* reject snapshot names containing slashes or starting with dot as
@@ -15856,19 +15858,17 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
         def = NULL;
     }

-    if (update_current)
-        snap->def->current = true;
-    if (vm->current_snapshot) {
+    current = vm->current_snapshot;
+    if (current) {
         if (!redefine &&
-            VIR_STRDUP(snap->def->parent, vm->current_snapshot->def->name) < 0)
+            VIR_STRDUP(snap->def->parent, current->def->name) < 0)
                 goto endjob;
         if (update_current) {
-            vm->current_snapshot->def->current = false;
-            if (qemuDomainSnapshotWriteMetadata(vm, vm->current_snapshot,
+            vm->current_snapshot = NULL;
+            if (qemuDomainSnapshotWriteMetadata(vm, current,
                                                 driver->caps, driver->xmlopt,
                                                 cfg->snapshotDir) < 0)
                 goto endjob;
-            vm->current_snapshot = NULL;
         }
     }

@@ -15914,6 +15914,8 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,

  endjob:
     if (snapshot && !(flags & VIR_DOMAIN_SNAPSHOT_CREATE_NO_METADATA)) {
+        if (update_current)
+            vm->current_snapshot = snap;
         if (qemuDomainSnapshotWriteMetadata(vm, snap, driver->caps,
                                             driver->xmlopt,
                                             cfg->snapshotDir) < 0) {
@@ -15925,9 +15927,8 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
                            _("unable to save metadata for snapshot %s"),
                            snap->def->name);
             virDomainSnapshotObjListRemove(vm->snapshots, snap);
+            vm->current_snapshot = NULL;
         } else {
-            if (update_current)
-                vm->current_snapshot = snap;
             other = virDomainSnapshotFindByName(vm->snapshots,
                                                 snap->def->parent);
             snap->parent = other;
@@ -16347,6 +16348,7 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
     virDomainObjPtr vm = NULL;
     int ret = -1;
     virDomainSnapshotObjPtr snap = NULL;
+    virDomainSnapshotObjPtr current = NULL;
     virObjectEventPtr event = NULL;
     virObjectEventPtr event2 = NULL;
     int detail;
@@ -16441,14 +16443,13 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
         }
     }

-
-    if (vm->current_snapshot) {
-        vm->current_snapshot->def->current = false;
-        if (qemuDomainSnapshotWriteMetadata(vm, vm->current_snapshot,
+    current = vm->current_snapshot;
+    if (current) {
+        vm->current_snapshot = NULL;
+        if (qemuDomainSnapshotWriteMetadata(vm, current,
                                             driver->caps, driver->xmlopt,
                                             cfg->snapshotDir) < 0)
             goto endjob;
-        vm->current_snapshot = NULL;
         /* XXX Should we restore vm->current_snapshot after this point
          * in the failure cases where we know there was no change?  */
     }
@@ -16458,7 +16459,7 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
      *
      * XXX Should domain snapshots track live xml rather
      * than inactive xml?  */
-    snap->def->current = true;
+    vm->current_snapshot = snap;
     if (snap->def->dom) {
         config = virDomainDefCopy(snap->def->dom, caps,
                                   driver->xmlopt, NULL, true);
@@ -16729,14 +16730,15 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,

  cleanup:
     if (ret == 0) {
+        vm->current_snapshot = snap;
         if (qemuDomainSnapshotWriteMetadata(vm, snap, driver->caps,
                                             driver->xmlopt,
-                                            cfg->snapshotDir) < 0)
+                                            cfg->snapshotDir) < 0) {
+            vm->current_snapshot = NULL;
             ret = -1;
-        else
-            vm->current_snapshot = snap;
+        }
     } else if (snap) {
-        snap->def->current = false;
+        vm->current_snapshot = NULL;
     }
     if (ret == 0 && config && vm->persistent &&
         !(ret = virDomainSaveConfig(cfg->configDir, driver->caps,
@@ -16864,19 +16866,18 @@ qemuDomainSnapshotDelete(virDomainSnapshotPtr snapshot,
         if (rem.err < 0)
             goto endjob;
         if (rem.current) {
+            vm->current_snapshot = snap;
             if (flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY) {
-                snap->def->current = true;
                 if (qemuDomainSnapshotWriteMetadata(vm, snap, driver->caps,
                                                     driver->xmlopt,
                                                     cfg->snapshotDir) < 0) {
                     virReportError(VIR_ERR_INTERNAL_ERROR,
                                    _("failed to set snapshot '%s' as current"),
                                    snap->def->name);
-                    snap->def->current = false;
+                    vm->current_snapshot = NULL;
                     goto endjob;
                 }
             }
-            vm->current_snapshot = snap;
         }
     } else if (snap->nchildren) {
         rep.cfg = cfg;
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index e1ad9382e0..ca480c1b21 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -819,6 +819,7 @@ testParseDomainSnapshots(testDriverPtr privconn,
     int ret = -1;
     testDomainNamespaceDefPtr nsdata = domobj->def->namespaceData;
     xmlNodePtr *nodes = nsdata->snap_nodes;
+    bool cur;

     for (i = 0; i < nsdata->num_snap_nodes; i++) {
         virDomainSnapshotObjPtr snap;
@@ -831,6 +832,7 @@ testParseDomainSnapshots(testDriverPtr privconn,
         def = virDomainSnapshotDefParseNode(ctxt->doc, node,
                                             privconn->caps,
                                             privconn->xmlopt,
+                                            &cur,
                                             VIR_DOMAIN_SNAPSHOT_PARSE_DISKS |
                                             VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL |
                                             VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE);
@@ -842,7 +844,7 @@ testParseDomainSnapshots(testDriverPtr privconn,
             goto error;
         }

-        if (def->current) {
+        if (cur) {
             if (domobj->current_snapshot) {
                 virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                                _("more than one snapshot claims to be active"));
@@ -6363,6 +6365,7 @@ testDomainSnapshotCreateXML(virDomainPtr domain,
     if (!(def = virDomainSnapshotDefParseString(xmlDesc,
                                                 privconn->caps,
                                                 privconn->xmlopt,
+                                                NULL,
                                                 parse_flags)))
         goto cleanup;

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index ac7e02eed6..2ca12a28e5 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -5502,7 +5502,7 @@ vboxDomainSnapshotCreateXML(virDomainPtr dom,
                   VIR_DOMAIN_SNAPSHOT_CREATE_CURRENT, NULL);

     if (!(def = virDomainSnapshotDefParseString(xmlDesc, data->caps,
-                                                data->xmlopt,
+                                                data->xmlopt, NULL,
                                                 VIR_DOMAIN_SNAPSHOT_PARSE_DISKS |
                                                 VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE)))
         goto cleanup;
@@ -6948,7 +6948,7 @@ vboxDomainSnapshotDeleteMetadataOnly(virDomainSnapshotPtr snapshot)
     }
     def = virDomainSnapshotDefParseString(defXml,
                                           data->caps,
-                                          data->xmlopt,
+                                          data->xmlopt, NULL,
                                           VIR_DOMAIN_SNAPSHOT_PARSE_DISKS |
                                           VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE);
     if (!def) {
diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
index 1bf6daf9b0..eba366dd2c 100644
--- a/src/vz/vz_driver.c
+++ b/src/vz/vz_driver.c
@@ -2618,7 +2618,8 @@ vzDomainSnapshotCreateXML(virDomainPtr domain,
         goto cleanup;

     if (!(def = virDomainSnapshotDefParseString(xmlDesc, driver->caps,
-                                                driver->xmlopt, parse_flags)))
+                                                driver->xmlopt, NULL,
+                                                parse_flags)))
         goto cleanup;

     if (def->ndisks > 0) {
diff --git a/tests/domainsnapshotxml2xmltest.c b/tests/domainsnapshotxml2xmltest.c
index 9eb71780fc..9f7f98585f 100644
--- a/tests/domainsnapshotxml2xmltest.c
+++ b/tests/domainsnapshotxml2xmltest.c
@@ -80,6 +80,7 @@ testCompareXMLToXMLFiles(const char *inxml,
     virDomainSnapshotDefPtr def = NULL;
     unsigned int parseflags = VIR_DOMAIN_SNAPSHOT_PARSE_DISKS;
     unsigned int formatflags = VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE;
+    bool cur;

     if (internal) {
         parseflags |= VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL;
@@ -96,9 +97,11 @@ testCompareXMLToXMLFiles(const char *inxml,
         goto cleanup;

     if (!(def = virDomainSnapshotDefParseString(inXmlData, driver.caps,
-                                                driver.xmlopt,
+                                                driver.xmlopt, &cur,
                                                 parseflags)))
         goto cleanup;
+    if (cur)
+        formatflags |= VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT;

     if (!(actual = virDomainSnapshotDefFormat(uuid, def, driver.caps,
                                               driver.xmlopt,
-- 
2.20.1

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