File 0001-Activate-LVM-thin-snapshot-before-clone.patch of Package openstack-cinder

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File 0001-Activate-LVM-thin-snapshot-before-clone.patch of Package openstack-cinder (Revision 4a9ba997f634fe097d64a3be5d195514)

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From 9f14c2825a3ad38f1bbbbd7de70e8b3ff82286eb Mon Sep 17 00:00:00 2001
From: Stefan Nica <snica@suse.com>
Date: Wed, 20 Sep 2017 13:14:29 +0200
Subject: [PATCH] LVM: Activate thin snapshot before clone activation

LVM may be configured to not automatically activate
thin-provisioned LVs. Ensure they are activated before
activating a clone, otherwise activating the clone may fail.

Change-Id: Iaedeb3cdc706daa34db8d50c48cf738f6edb9bcf
Related-Bug: #1642111
(cherry picked from commit 17c447e9f06af0afb195d6a2879c06233de520c7)
---

Index: cinder-11.1.1.dev12/cinder/volume/drivers/lvm.py
===================================================================
--- cinder-11.1.1.dev12.orig/cinder/volume/drivers/lvm.py
+++ cinder-11.1.1.dev12/cinder/volume/drivers/lvm.py
@@ -528,6 +528,9 @@ class LVMVolumeDriver(driver.VolumeDrive
             if volume['size'] > src_vref['size']:
                 LOG.debug("Resize the new volume to %s.", volume['size'])
                 self.extend_volume(volume, volume['size'])
+            # Some configurations of LVM do not automatically activate
+            # ThinLVM snapshot LVs.
+            self.vg.activate_lv(snapshot['name'], is_snapshot=True)
             self.vg.activate_lv(volume['name'], is_snapshot=True,
                                 permanent=True)
             return

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File 0001-Activate-LVM-thin-snapshot-before-clone.patch of Package openstack-cinder (Revision 4a9ba997f634fe097d64a3be5d195514)

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