Add CowUtil class

Signed-off-by: Ronan Abhamon <ronan.abhamon@vates.tech>

Author: Wescoeur

Makefile

@@ -34,11 +34,12 @@ SM_LIBS += util
 SM_LIBS += verifyVHDsOnSR
 SM_LIBS += scsiutil
 SM_LIBS += scsi_host_rescan
+SM_LIBS += cowutil
 SM_LIBS += vhdutil
+SM_LIBS += linstorcowutil
 SM_LIBS += linstorjournaler
-SM_LIBS += linstorvhdutil
 SM_LIBS += linstorvolumemanager
-SM_LIBS += lvhdutil
+SM_LIBS += lvmcowutil
 SM_LIBS += cifutils
 SM_LIBS += xs_errors
 SM_LIBS += nfs
@@ -203,7 +204,7 @@ install: build
 	  ln -sf $$i"SR.py" $$i"SR"; \
 	done
 	rm $(SM_STAGING)$(SM_DEST)/SHMSR
-	cd $(SM_STAGING)$(SM_DEST) && rm -f LVMSR && ln -sf LVMSR.py LVHDSR
+	cd $(SM_STAGING)$(SM_DEST) && rm -f LVMSR && ln -sf LVMSR.py LVMSR
 	cd $(SM_STAGING)$(SM_DEST) && rm -f RawISCSISR && ln -sf RawISCSISR.py ISCSISR
 	cd $(SM_STAGING)$(SM_DEST) && rm -f LVMoISCSISR && ln -sf LVMoISCSISR.py LVMoISCSISR
 	cd $(SM_STAGING)$(SM_DEST) && rm -f LVMoHBASR && ln -sf LVMoHBASR.py LVMoHBASR

drivers/02-vhdcleanup

@@ -21,7 +21,7 @@
 . /etc/init.d/functions
 
 CLEANUP_SCRIPT="/opt/xensource/sm/cleanup.py"
-LVHD_UTIL_SCRIPT="/opt/xensource/sm/lvhdutil.py"
+LVM_COW_UTIL_SCRIPT="/opt/xensource/sm/lvmcowutil.py"
 
 start() {
     echo -n $"Fixing refcounts on new master: "
@@ -31,7 +31,7 @@ start() {
         srUuids=`xe sr-list type=$type params=uuid --minimal | sed "s/,/ /g"`
         for uuid in $srUuids; do
             echo -n "Fixing $type"
-            python $LVHD_UTIL_SCRIPT fixrefcounts $uuid
+            python $LVM_COW_UTIL_SCRIPT fixrefcounts $uuid
         done
     done
 	echo -n $"OK"

drivers/CephFSSR.py

@@ -39,7 +39,6 @@
 import cleanup
 import lock
 import util
-import vhdutil
 import xs_errors
 
 CAPABILITIES = ["SR_PROBE", "SR_UPDATE",

drivers/EXTSR.py

@@ -31,7 +31,6 @@
 import lock
 import os
 import xs_errors
-import vhdutil
 from constants import EXT_PREFIX
 
 CAPABILITIES = ["SR_PROBE", "SR_UPDATE", "SR_SUPPORTS_LOCAL_CACHING",