config

quick_backup_multi/__init__.py

@@ -80,19 +80,18 @@ def get_backup_file_name(backup_format: BackupFormat):
 COW_COPY_LIMIT = 2**30 # 1GB / need int, may overflow, so cannot copy files larger than 2GB in a single pass
 #copy using "Copy On Write"
 def _cpcow(src_path: str, dst_path: str):
- if not copy_file_range_supported:
+ if not copy_file_range_supported or not config.copy_on_write:
  return shutil.copy2(src_path, dst_path)
 
  if os.path.isdir(dst_path):
  dst_path = os.path.join(dst_path, os.path.basename(src_path))
-
+ 
  try:
- with open(src_path,'rb') as f11, open(dst_path,'wb+') as f21:
- f1 = f11.fileno()
- f2 = f21.fileno()
- size = os.path.getsize(src_path)
- for i in range(0, size, COW_COPY_LIMIT):
- os.copy_file_range(f1, f2, COW_COPY_LIMIT, i) 
+ with open(src_path,'rb') as fsrc, open(dst_path,'wb+') as fdst:
+ while os.copy_file_range(fsrc.fileno(), fdst.fileno(), COW_COPY_LIMIT):
+ pass
+
+
  except Exception as e:
  server_inst.logger.warning(str(e) + '({} -> {})'.format(src_path, src_path, dst_path) + ",Retry with other functions")
  shutil.copy(src_path, dst_path)

quick_backup_multi/config.py

@@ -10,6 +10,7 @@ class SlotInfo(Serializable):
 class Configuration(Serializable):
  size_display: bool = True
  turn_off_auto_save: bool = True
+ copy_on_write: bool = False
  ignored_files: List[str] = [
  'session.lock'
  ]