Esempio n. 1
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 def undo(self):
     assert(len(self.components) > 0)
     name = getSnapshotDevName(self.lvolid)
     path = getDmDevPath(name)
     if os.path.exists(path):
         dmsetup_remove(name)
     self.path = None
Esempio n. 2
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 def undo(self):
     assert len(self.components) == 1
     name = getDextDevName(self.dext_ssvrid, self.lvolid)
     path = getDmDevPath(name)
     if os.path.exists(path):
         dmsetup_remove(name)
     self.path = None
Esempio n. 3
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 def undo(self):
     assert(len(self.components) > 0)
     if os.path.exists(getLinearDevPath(self.lvolid)):
         dmsetup_remove(getLinearDevName(self.lvolid))
     self.path = None