linstor: Fix to add sync to DD

Signed-off-by: Damien Thenot <[email protected]>
xcp-ng · Nov 12, 2024 · c0e932b · c0e932b
1 parent eae2679
commit c0e932b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/drivers/util.py b/drivers/util.py
@@ -610,7 +610,7 @@ def zeroOut(path, fromByte, bytes):
             bytesBefore = bytes
         bytes -= bytesBefore
         cmd = [CMD_DD, "if=/dev/zero", "of=%s" % path, "bs=1",
-               "seek=%s" % fromByte, "count=%s" % bytesBefore]
+               "seek=%s" % fromByte, "count=%s" % bytesBefore, "conv=fsync"]
         try:
             pread2(cmd)
         except CommandException:
@@ -621,15 +621,15 @@ def zeroOut(path, fromByte, bytes):
     fromByte = (fromBlock + blocks) * blockSize
     if blocks:
         cmd = [CMD_DD, "if=/dev/zero", "of=%s" % path, "bs=%s" % blockSize,
-               "seek=%s" % fromBlock, "count=%s" % blocks]
+               "seek=%s" % fromBlock, "count=%s" % blocks, "conv=fsync"]
         try:
             pread2(cmd)
         except CommandException:
             return False
 
     if bytes:
         cmd = [CMD_DD, "if=/dev/zero", "of=%s" % path, "bs=1",
-               "seek=%s" % fromByte, "count=%s" % bytes]
+               "seek=%s" % fromByte, "count=%s" % bytes, "conv=fsync"]
         try:
             pread2(cmd)
         except CommandException: