volume: rename _extendSizeRaw

Rename '_extendSizeRaw' to just '_extendSize',
as COW preallocated volumes can also reach
this call to extend LVs.

Signed-off-by: Albert Esteve <aesteve@redhat.com>

lib/vdsm/storage/blockVolume.py

@@ -718,7 +718,7 @@ def setParentTag(self, puuid):
     def getMetaSlot(self):
         return self._manifest.getMetaSlot()
 
-    def _extendSizeRaw(self, new_capacity):
+    def _extendSize(self, new_capacity):
         # Since this method relies on lvm.extendLV (lvextend) when the
         # requested size is equal or smaller than the current size, the
         # request is siliently ignored.

lib/vdsm/storage/fileVolume.py

@@ -734,7 +734,7 @@ def getLeaseVolumePath(self, vol_path=None):
         # pylint: disable=no-member
         return self._manifest.getLeaseVolumePath(vol_path)
 
-    def _extendSizeRaw(self, new_capacity):
+    def _extendSize(self, new_capacity):
         volPath = self.getVolumePath()
         cur_capacity = self.oop.os.stat(volPath).st_size
 

lib/vdsm/storage/volume.py

@@ -1416,7 +1416,7 @@ def extendSize(self, new_capacity):
                 "Extend size for volume: " + self.volUUID, "volume",
                 "Volume", "extendSizeFinalize",
                 [self.sdUUID, self.imgUUID, self.volUUID]))
-            self._extendSizeRaw(new_capacity)
+            self._extendSize(new_capacity)
 
         self.syncMetadata()  # update the metadata
 
@@ -1594,7 +1594,7 @@ def newVolumeLease(cls, metaId, sdUUID, volUUID):
     def getImageVolumes(cls, sdUUID, imgUUID):
         return cls.manifestClass.getImageVolumes(sdUUID, imgUUID)
 
-    def _extendSizeRaw(self, newSize):
+    def _extendSize(self, newSize):
         raise NotImplementedError
 
     # Used only for block volume