Update LVM volume extend

- do *not* skip fsck when extending
- have extend resize the filesystem itself
  rather than making a separate execution
  of ``resize2fs``

Due to an issue with Gerrit, we're unable
to preserve the Change-ID for this change.
The change-id in stable/ussuri and in the
main branch is I67ac549e790322c56d02db4424ec01a5449e6633

Closes-bug: #1887694
Change-Id: Ieebd69ec9671d48f2d9de0ae3e110518cba4f6f9
(cherry picked from commit c94e1deff1)
(cherry picked from commit 2a3c18edcd)
(cherry picked from commit 2063c93c07)
(cherry picked from commit e378f44598)

manila/share/drivers/lvm.py

@@ -108,7 +108,7 @@ class LVMMixin(driver.ExecuteMixin):
                       device_name, run_as_root=True)
 
     def _extend_container(self, share, device_name, size):
-        cmd = ['lvextend', '-L', '%sG' % size, '-n', device_name]
+        cmd = ['lvextend', '-L', '%sG' % size, '-r', device_name]
         self._try_execute(*cmd, run_as_root=True)
 
     def _deallocate_container(self, share_name):
@@ -392,7 +392,6 @@ class LVMShareDriver(LVMMixin, driver.ShareDriver):
     def extend_share(self, share, new_size, share_server=None):
         device_name = self._get_local_path(share)
         self._extend_container(share, device_name, new_size)
-        self._execute('resize2fs', device_name, run_as_root=True)
 
     def revert_to_snapshot(self, context, snapshot, share_access_rules,
                            snapshot_access_rules, share_server=None):

manila/tests/share/drivers/test_lvm.py

@@ -487,8 +487,6 @@ class LVMShareDriverTestCase(test.TestCase):
         self._driver.extend_share(self.share, 3)
         self._driver._extend_container.assert_called_once_with(self.share,
                                                                local_path, 3)
-        self._driver._execute.assert_called_once_with('resize2fs', local_path,
-                                                      run_as_root=True)
 
     def test_ssh_exec_as_root(self):
         command = ['fake_command']
@@ -511,7 +509,7 @@ class LVMShareDriverTestCase(test.TestCase):
             'lvextend',
             '-L',
             '3G',
-            '-n',
+            '-r',
             'device_name',
             run_as_root=True)