openstack
/
nova-powervm
Code Issues Proposed changes

Use the new loop backstore type for fileio 

Use the new loop backstore type when mapping fileio volumes. The
compute node will mount the file as a loop device and map that to
the VM.
This is to increase performance.

Change-Id: Ic75890265aa033e906bc038dabc55cf36cfc547e
This commit is contained in:
Taylor Jakobson 2018-05-14 15:53:40 -05:00
parent 0036c9984e
commit b86a9480c3
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
nova_powervm/tests/virt/powervm/volume/test_fileio.py
View File

@ -98,7 +98,7 @@ class TestFileIOVolumeAdapter(test_vol.TestVolumeAdapter):
# Validate
mock_file_bld.assert_called_once_with(
self.adpt, 'fake_path',
backstore_type=pvm_stg.BackStoreType.FILE_IO, tag='a_vol_id')
backstore_type=pvm_stg.BackStoreType.LOOP, tag='a_vol_id')
self.assertEqual(1, mock_build_map.call_count)
self.assertEqual(1, mock_udid_to_map.call_count)
@ -130,7 +130,7 @@ class TestFileIOVolumeAdapter(test_vol.TestVolumeAdapter):
# Validate
mock_file_bld.assert_called_once_with(
self.adpt, 'fake_path',
backstore_type=pvm_stg.BackStoreType.FILE_IO, tag='a_vol_id')
backstore_type=pvm_stg.BackStoreType.LOOP, tag='a_vol_id')
self.assertEqual(0, mock_build_map.call_count)
@mock.patch('pypowervm.tasks.partition.get_mgmt_partition', autospec=True)

2
nova_powervm/virt/powervm/volume/fileio.py
View File

@ -97,7 +97,7 @@ class FileIOVolumeAdapter(v_driver.PowerVMVolumeAdapter):
volid = self.connection_info['data']['volume_id']
fio = pvm_stg.FileIO.bld(
self.adapter, path,
backstore_type=pvm_stg.BackStoreType.FILE_IO, tag=volid)
backstore_type=pvm_stg.BackStoreType.LOOP, tag=volid)
def add_func(vios_w):
# If the vios doesn't match, just return