From ac2c8bc064d4903f8b104822f3c1fbc7d5940295 Mon Sep 17 00:00:00 2001
From: Michael Hanselmann <hansmi@google.com>
Date: Thu, 17 Nov 2011 12:36:18 +0100
Subject: [PATCH] LUInstanceCreate: Release unused node locks
After iallocator ran we can release any unused node locks. Since they
must be in exclusive mode this should improve parallelization during
instance creation.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>
---
lib/cmdlib.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index 3b445cefe..40dca63f5 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -8813,6 +8813,11 @@ class LUInstanceCreate(LogicalUnit):
if self.op.iallocator is not None:
self._RunAllocator()
+ # Release all unneeded node locks
+ _ReleaseLocks(self, locking.LEVEL_NODE,
+ keep=filter(None, [self.op.pnode, self.op.snode,
+ self.op.src_node]))
+
#### node related checks
# check primary node
--
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