def _resize_btrfs(mount_point, devpth):
# If "/" is ro resize will fail. However it should be allowed since resize
# makes everything bigger and subvolumes that are not ro will benefit.
# Use a subvolume that is not ro to trick the resize operation to do the
# "right" thing. The use of ".snapshot" is specific to "snapper" a generic
# solution would be walk the subvolumes and find a rw mounted subvolume.
if (not util.mount_is_read_write(mount_point) and
os.path.isdir("%s/.snapshots" % mount_point)):
return ('btrfs', 'filesystem', 'resize', 'max',
'%s/.snapshots' % mount_point)
else:
return ('btrfs', 'filesystem', 'resize', 'max', mount_point)
def _resize_btrfs(mount_point, devpth):
# If "/" is ro resize will fail. However it should be allowed since resize
# makes everything bigger and subvolumes that are not ro will benefit.
# Use a subvolume that is not ro to trick the resize operation to do the
# "right" thing. The use of ".snapshot" is specific to "snapper" a generic
# solution would be walk the subvolumes and find a rw mounted subvolume.
if (not util.mount_is_read_write(mount_point) and
os.path.isdir("%s/.snapshots" % mount_point)):
return ('btrfs', 'filesystem', 'resize', 'max',
'%s/.snapshots' % mount_point)
else:
return ('btrfs', 'filesystem', 'resize', 'max', mount_point)
def test_mount_is_ro(self, m_mount_info):
m_mount_info.return_value = ('/dev/sda1', 'btrfs', '/', 'ro,relatime')
is_rw = util.mount_is_read_write('/')
self.assertEqual(is_rw, False)
def test_mount_is_ro(self, m_mount_info):
m_mount_info.return_value = ('/dev/sda1', 'btrfs', '/', 'ro,relatime')
is_rw = util.mount_is_read_write('/')
self.assertEqual(is_rw, False)
