From: John Ferlan <jferlan@redhat.com>
Date: Mon, 2 Nov 2015 22:15:41 +0000 (-0500)
Subject: storage: Introduce virStoragePoolObjFindPoolByUUID
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=c3afa6a9a3a0313172cdb586f54ebac5ab129d19;p=people%2Fliuw%2Flibxenctrl-split%2Flibvirt.git

storage: Introduce virStoragePoolObjFindPoolByUUID

Add a new API to search the currently defined pool list for a pool with
a matching UUID and return the locked pool object pointer.
---

diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index aeb67a715..bbf21f684 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -3370,3 +3370,24 @@ virStorageTranslateDiskSourcePool(virConnectPtr conn,
     virStoragePoolDefFree(pooldef);
     return ret;
 }
+
+
+/*
+ * virStoragePoolObjFindPoolByUUID
+ * @uuid: The uuid to lookup
+ *
+ * Using the passed @uuid, search the driver pools for a matching uuid.
+ * If found, then lock the pool
+ *
+ * Returns NULL if pool is not found or a locked pool object pointer
+ */
+virStoragePoolObjPtr
+virStoragePoolObjFindPoolByUUID(const unsigned char *uuid)
+{
+    virStoragePoolObjPtr pool;
+
+    storageDriverLock();
+    pool = virStoragePoolObjFindByUUID(&driver->pools, uuid);
+    storageDriverUnlock();
+    return pool;
+}
diff --git a/src/storage/storage_driver.h b/src/storage/storage_driver.h
index 4f28dc155..912c232c3 100644
--- a/src/storage/storage_driver.h
+++ b/src/storage/storage_driver.h
@@ -57,6 +57,9 @@ int virStorageFileGetMetadata(virStorageSourcePtr src,
 int virStorageTranslateDiskSourcePool(virConnectPtr conn,
                                       virDomainDiskDefPtr def);
 
+virStoragePoolObjPtr virStoragePoolObjFindPoolByUUID(const unsigned char *uuid)
+    ATTRIBUTE_NONNULL(1);
+
 virStoragePoolPtr
 storagePoolLookupByTargetPath(virConnectPtr conn,
                               const char *path)