Exemplo n.º 1
0
	def _create_linear(cls, dmname, table_lines):
		"""
		Create linear mapping based on table_lines.
		Each line is a tuple in the dmsetup table format:
		([start in sectors], [length in sectors], [type], [source device], [offset in sectors])
		eg.
		('4096', '8192', 'linear', '/dev/dm-2', '4192')
		"""
		dmsetup(['create', dmname, '/dev/stdin'], input='\n'.join([' '.join([str(col) for col in line]) for line in table_lines]))
		devname = Device.from_device_file(udevctx, '/dev/mapper/%s' % dmname)['DEVNAME']
		return cls(basename(devname))
Exemplo n.º 2
0
	def destroy(self):
		return dmsetup(['remove', self.dmname])

# vim:set sw=4 ts=4 et:
# -*- coding: utf-8 -*-
Exemplo n.º 3
0
	def resume(self):
		dmsetup(['resume', self.dmname])
		return self
Exemplo n.º 4
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	def suspend(self):
		dmsetup(['suspend', self.dmname])
		return self
Exemplo n.º 5
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	def rename(self, new_name):
		dmsetup(['rename', self.dmname, new_name])
		self._dmname = new_name
		return self
Exemplo n.º 6
0
	def reload(self, table_lines):
		dmsetup(['reload', self.dmname, '/dev/stdin'], input='\n'.join(table_lines))
		if hasattr(self, '_device_path'):
			del self._device_path
		return self
Exemplo n.º 7
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	def status(self):
		return dmsetup(['status', self.dmname])
Exemplo n.º 8
0
	def table(self):
		return dmsetup(['table', self.dmname])