diff --git a/models/common/src/main/yang/ietf-netconf-partial-lock@2009-10-19.yang b/models/common/src/main/yang/ietf-netconf-partial-lock@2009-10-19.yang
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+++ b/models/common/src/main/yang/ietf-netconf-partial-lock@2009-10-19.yang
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+module ietf-netconf-partial-lock {
+
+  namespace urn:ietf:params:xml:ns:netconf:partial-lock:1.0;
+  prefix pl;
+
+  organization "IETF Network Configuration (netconf) Working Group";
+
+  contact
+   "Netconf Working Group
+    Mailing list: netconf@ietf.org
+    Web: http://www.ietf.org/html.charters/netconf-charter.html
+
+    Balazs Lengyel
+    Ericsson
+    balazs.lengyel@ericsson.com";
+
+  description
+   "This YANG module defines the <partial-lock> and
+    <partial-unlock> operations.";
+
+  revision 2009-10-19 {
+    description
+     "Initial version, published as RFC 5717.";
+  }
+
+  typedef lock-id-type {
+    type uint32;
+    description
+     "A number identifying a specific partial-lock granted to a session.
+      It is allocated by the system, and SHOULD be used in the
+      partial-unlock operation.";
+  }
+
+  rpc partial-lock {
+    description
+     "A NETCONF operation that locks parts of the running datastore.";
+    input {
+      leaf-list select {
+        type string;
+        min-elements 1;
+        description
+         "XPath expression that specifies the scope of the lock.
+          An Instance Identifier expression MUST be used unless the
+          :xpath capability is supported, in which case any XPath 1.0
+          expression is allowed.";
+      }
+    }
+    output {
+      leaf lock-id {
+        type lock-id-type;
+        description
+         "Identifies the lock, if granted.  The lock-id SHOULD be
+          used in the partial-unlock rpc.";
+      }
+      leaf-list locked-node {
+        type instance-identifier;
+        min-elements 1;
+        description
+         "List of locked nodes in the running datastore";
+      }
+    }
+  }
+
+  rpc partial-unlock {
+    description
+     "A NETCONF operation that releases a previously acquired
+      partial-lock.";
+    input {
+      leaf lock-id {
+        type lock-id-type;
+        description
+         "Identifies the lock to be released.  MUST be the value
+          received in the response to a partial-lock operation.";
+      }
+    }
+  }
+}