Removes the Nova Ephemeral truncate patch

Removing the truncate patch because of possible stability issues.

full_quobyte_patch/Ocata/full_quobyte_ocata_nova.patch

@@ -1,22 +1,3 @@
-diff --git nova/virt/libvirt/imagebackend.py nova/virt/libvirt/imagebackend.py
-index 8dd227e..eaf5c81 100644
---- nova/virt/libvirt/imagebackend.py
-+++ nova/virt/libvirt/imagebackend.py
-@@ -232,9 +232,11 @@ class Image(object):
-             if os.path.exists(base) and size > self.get_disk_size(base):
-                 self.resize_image(size)
-
--            if (self.preallocate and self._can_fallocate() and
--                    os.access(self.path, os.W_OK)):
--                utils.execute('fallocate', '-n', '-l', size, self.path)
-+            if (self.preallocate and os.access(self.path, os.W_OK)):
-+                LOG.debug('Truncating new image at %(path)s to virtual size '
-+                          '(patched for Quobyte).',
-+                          {'path': self.path})
-+                utils.execute('truncate', '-s', size, self.path)
-
-     def _can_fallocate(self):
-         """Check once per class, whether fallocate(1) is available,
 diff --git nova/virt/libvirt/volume/quobyte.py nova/virt/libvirt/volume/quobyte.py
 index 284a084..f36aacb 100644
 --- nova/virt/libvirt/volume/quobyte.py

full_quobyte_patch/Ocata/full_quobyte_ocata_nova_full_source_tree.patch

@@ -1,19 +1,3 @@
-diff --git nova/tests/unit/virt/libvirt/test_imagebackend.py nova/tests/unit/virt/libvirt/test_imagebackend.py
-index b3cc277..2c6dff9 100644
---- nova/tests/unit/virt/libvirt/test_imagebackend.py
-+++ nova/tests/unit/virt/libvirt/test_imagebackend.py
-@@ -120,9 +120,8 @@ class _ImageTestCase(object):
-             image.cache(fake_fetch, self.TEMPLATE_PATH, self.SIZE)
-
-             self.assertEqual(fake_processutils.fake_execute_get_log(),
--                ['fallocate -l 1 %s.fallocate_test' % self.PATH,
--                 'fallocate -n -l %s %s' % (self.SIZE, self.PATH),
--                 'fallocate -n -l %s %s' % (self.SIZE, self.PATH)])
-+                ['truncate -s %s %s' % (self.SIZE, self.PATH),
-+                 'truncate -s %s %s' % (self.SIZE, self.PATH)])
-
-     def test_prealloc_image_without_write_access(self):
-         CONF.set_override('preallocate_images', 'space')
 diff --git nova/tests/unit/virt/libvirt/volume/test_quobyte.py nova/tests/unit/virt/libvirt/volume/test_quobyte.py
 index a43a79a..7f867fa 100644
 --- nova/tests/unit/virt/libvirt/volume/test_quobyte.py

full_quobyte_patch/README.md

@@ -15,7 +15,6 @@ When complete these patches contain all relevant fixes and changes for the given
     - Fixes bug [1530860](https://bugs.launchpad.net/nova/+bug/1530860) with patch [432344](https://review.openstack.org/#/c/432344/) in order to prevent systemd service restarts from unmounting Nova mounts
     - Fixes bug [1679976](https://bugs.launchpad.net/nova/+bug/1679976) with patch [453537](https://review.openstack.org/#/c/453537/) disallowing a specific and potentially bad exit code during volume mounts
     - Removes the requirement to support extended attributes from Nova mounts with patch [428646](https://review.openstack.org/#/c/428646/) for improved performance
-    - Exchanges Nova fallocate on qcow2 ephemeral images with a truncate command for improved performance with Quobyte
 
 The patches come in two versions, the pure driver and the full source patch. For Cinder these are:
 

xattr-removal_patch/README.md

@@ -5,13 +5,13 @@ Backports of performance optimizations that remove the usage of xattr from the N
 
 Both flavors come in two versions, the vanilla release :
 
-1. _xattr-removal_Nova-<Release Name>.patch_ - The pure driver patch for patching package based installations that strip tests and other development elements
-2. _xattr-removal_<Release Name>-Mitaka_full_source_tree.patch_ - The full source patch including updates of unit tests and release notes files
+1. _xattr-removal_Nova-RELEASENAME.patch_ - The pure driver patch for patching package based installations that strip tests and other development elements
+2. _xattr-removal_RELEASENAME-Mitaka_full_source_tree.patch_ - The full source patch including updates of unit tests and release notes files
 
 And the _upon-systemd-run-patch_ versions:
 
-1. _xattr-removal_Nova-<Release Name>_upon-systemd-run-patch.patch_ - The pure driver patch for patching package based installations that strip tests and other development elements
-2. _xattr-removal_<Release Name>-Mitaka_upon-systemd-run-patch_full_source_tree.patch_ - The full source patch including updates of unit tests and release notes files
+1. _xattr-removal_Nova-RELEASENAME_upon-systemd-run-patch.patch_ - The pure driver patch for patching package based installations that strip tests and other development elements
+2. _xattr-removal_RELEASENAME-Mitaka_upon-systemd-run-patch_full_source_tree.patch_ - The full source patch including updates of unit tests and release notes files
 
 
 ### Installation