Also acquire instance and resource locks in shared mode (see comment).
---
lib/cmdlib.py | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index 50ddcb5..6330ae1 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -5309,6 +5309,16 @@ class LUNodeSetParams(LogicalUnit):
else:
self.needed_locks = {locking.LEVEL_NODE: self.op.node_name}
+ # Since modifying a node can have severe effects on currently running
+ # operations the resource lock is at least acquired in shared mode
+ self.needed_locks[locking.LEVEL_NODE_RES] = \
+ self.needed_locks[locking.LEVEL_NODE]
+
+ # Get node and instance locks in shared mode; they are not used for
+ # anything but read-only access
+ self.share_locks[locking.LEVEL_NODE_RES] = 1
+ self.share_locks[locking.LEVEL_INSTANCE] = 1
+
if self.lock_instances:
self.needed_locks[locking.LEVEL_INSTANCE] = \
frozenset(self.cfg.GetInstancesInfoByFilter(self._InstanceFilter))
--
1.7.6
