Fix activating old style LVM snapshots

Resolves: rhbz#1961944

0007-Fix-activating-old-style-LVM-snapshots.patch

@@ -0,0 +1,35 @@
+From 8ece3da18b1abb89320d02f4475002e6a3ed7875 Mon Sep 17 00:00:00 2001
+From: Vojtech Trefny <vtrefny@redhat.com>
+Date: Thu, 20 May 2021 13:40:26 +0200
+Subject: [PATCH] Fix activating old style LVM snapshots
+
+The old style snapshots are activated together with the origin LV
+so we need to make sure it is activated to be able to remove the
+snapshot or its format.
+
+Resolves: rhbz#1961739
+---
+ blivet/devices/lvm.py | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/blivet/devices/lvm.py b/blivet/devices/lvm.py
+index a55515fcb..fb57804d9 100644
+--- a/blivet/devices/lvm.py
++++ b/blivet/devices/lvm.py
+@@ -1461,9 +1461,13 @@ def _set_format(self, fmt):  # pylint: disable=unused-argument
+             self._update_format_from_origin()
+ 
+     @old_snapshot_specific
+-    def setup(self, orig=False):
+-        # the old snapshot cannot be setup and torn down
+-        pass
++    def setup(self, orig=False):  # pylint: disable=unused-argument
++        # the old snapshot is activated together with the origin
++        if self.origin and not self.origin.status:
++            try:
++                self.origin.setup()
++            except blockdev.LVMError as lvmerr:
++                log.error("failed to activate origin LV: %s", lvmerr)
+ 
+     @old_snapshot_specific
+     def teardown(self, recursive=False):

python-blivet.spec

@@ -23,7 +23,7 @@ Version: 3.4.0
 
 #%%global prerelease .b2
 # prerelease, if defined, should be something like .a1, .b1, .b2.dev1, or .c2
-Release: 1%{?prerelease}%{?dist}
+Release: 2%{?prerelease}%{?dist}
 Epoch: 1
 License: LGPLv2+
 %global realname blivet
@@ -36,6 +36,7 @@ Patch2: 0003-Revert-More-consistent-lvm-errors.patch
 Patch3: 0004-Revert-Terminology-cleanups.patch
 Patch4: 0005-Fix-unify-importing-mock-module-in-tests.patch
 Patch5: 0006-Fix-util.virt_detect-on-Xen.patch
+Patch6: 0007-Fix-activating-old-style-LVM-snapshots.patch
 
 # Versions of required components (done so we make sure the buildrequires
 # match the requires versions of things).
@@ -198,6 +199,10 @@ configuration.
 %endif
 
 %changelog
+* Wed Jul 7 2021 Vojtech Trefny <vtrefny@redhat.com> - 3.4.0-2
+- Fix activating old style LVM snapshots
+  Resolves: rhbz#1961944
+
 * Wed Jun 9 2021 Vojtech Trefny <vtrefny@redhat.com> - 3.4.0-1
 - Rebase to latest upstream release 3.4.0
   Resolves: rhbz#1964341