remove TODO and comments

Author: rp-

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LinstorStorageAdaptor.java

@@ -260,15 +260,13 @@ public boolean connectPhysicalDisk(String volumePath, KVMStoragePool pool, Map<S
     public boolean disconnectPhysicalDisk(String volumePath, KVMStoragePool pool)
     {
         s_logger.debug("Linstor: disconnectPhysicalDisk " + pool.getUuid() + ":" + volumePath);
-        // TODO remove diskless/diskful on node
         return true;
     }
 
     @Override
     public boolean disconnectPhysicalDisk(Map<String, String> volumeToDisconnect)
     {
         s_logger.debug("Linstor: disconnectPhysicalDisk map");
-        // TODO remove diskless/diskful on node
         return true;
     }
 
@@ -290,7 +288,7 @@ private Optional<ResourceWithVolumes> getResourceByPath(final List<ResourceWithV
     public boolean disconnectPhysicalDiskByPath(String localPath)
     {
         s_logger.debug("Linstor: disconnectPhysicalDiskByPath " + localPath);
-        // get first storage pool from the map, as we don't now any better:
+        // get first storage pool from the map, as we don't know any better:
         if (!MapStorageUuidToStoragePool.isEmpty())
         {
             String firstKey = MapStorageUuidToStoragePool.keySet().stream().findFirst().get();
@@ -392,7 +390,6 @@ public KVMPhysicalDisk copyPhysicalDisk(KVMPhysicalDisk disk, String name, KVMSt
 
         final QemuImgFile srcFile = new QemuImgFile(sourcePath, sourceFormat);
 
-        // create linstor resource
         final KVMPhysicalDisk dstDisk = destPools.createPhysicalDisk(
             name, QemuImg.PhysicalDiskFormat.RAW, Storage.ProvisioningType.FAT, disk.getVirtualSize());
 
@@ -403,9 +400,7 @@ public KVMPhysicalDisk copyPhysicalDisk(KVMPhysicalDisk disk, String name, KVMSt
         try {
             qemu.convert(srcFile, destFile);
         } catch (QemuImgException | LibvirtException e) {
-            s_logger.error("Failed to copy " + srcFile.getFileName() + " to " +
-                destFile.getFileName() + " the error was: " + e.getMessage());
-            // cleanup useless resource
+            s_logger.error(e);
             destPools.deletePhysicalDisk(name, Storage.ImageFormat.RAW);
             throw new CloudRuntimeException("Failed to copy " + disk.getPath() + " to " + name);
         }