[libvirt] [PATCH 1/3] conf: storage: Add helper to determine whether storage vol is local

[Peter Krempa]

Add a simple helper that returns true if a storage vol definition points
to a volume accessible as a file in the host.
---
 src/conf/storage_conf.c  | 19 +++++++++++++++++++
 src/conf/storage_conf.h  |  2 ++
 src/libvirt_private.syms |  1 +
 3 files changed, 22 insertions(+)

diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 9ac5975..55e44b2 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -335,6 +335,25 @@ virStorageVolDefFree(virStorageVolDefPtr def)
     VIR_FREE(def);
 }

+/* Returns true if storage volume can be accessed as a file in the host */
+bool
+virStorageVolIsLocalStorage(virStorageVolDefPtr vol)
+{
+    switch ((virStorageVolType) vol->type) {
+    case VIR_STORAGE_VOL_FILE:
+    case VIR_STORAGE_VOL_BLOCK:
+    case VIR_STORAGE_VOL_DIR:
+        return true;
+
+    case VIR_STORAGE_VOL_NETWORK:
+    case VIR_STORAGE_VOL_NETDIR:
+    case VIR_STORAGE_VOL_LAST:
+        return false;
+    }
+
+    return false;
+}
+
 static void
 virStoragePoolSourceAdapterClear(virStoragePoolSourceAdapter adapter)
 {
diff --git a/src/conf/storage_conf.h b/src/conf/storage_conf.h
index 47f769b..175c3b7 100644
--- a/src/conf/storage_conf.h
+++ b/src/conf/storage_conf.h
@@ -328,6 +328,8 @@ virStorageVolDefPtr
 virStorageVolDefFindByName(virStoragePoolObjPtr pool,
                            const char *name);

+bool virStorageVolIsLocalStorage(virStorageVolDefPtr vol);
+
 void virStoragePoolObjClearVols(virStoragePoolObjPtr pool);

 virStoragePoolDefPtr virStoragePoolDefParseString(const char *xml);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index e59ea4c..ccb1de7 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -764,6 +764,7 @@ virStorageVolDefFree;
 virStorageVolDefParseFile;
 virStorageVolDefParseNode;
 virStorageVolDefParseString;
+virStorageVolIsLocalStorage;
 virStorageVolTypeFromString;
 virStorageVolTypeToString;

-- 
2.0.0