2 files changed, 48 insertions, 3 deletions

diff --git a/rpc/rpc-lib/src/rpc-clnt.c b/rpc/rpc-lib/src/rpc-clnt.c
index b2ea58004..f01ece0cd 100644
--- a/rpc/rpc-lib/src/rpc-clnt.c
+++ b/rpc/rpc-lib/src/rpc-clnt.c
@@ -69,6 +69,21 @@ __saved_frames_get_timedout (struct saved_frames *frames, uint32_t timeout,
 	return bailout_frame;
 }
 
+static int
+_is_lock_fop (struct saved_frame *sframe)
+{
+        int     fop     = 0;
+
+        if (SFRAME_GET_PROGNUM (sframe) == GLUSTER3_1_FOP_PROGRAM &&
+            SFRAME_GET_PROGVER (sframe) == GLUSTER3_1_FOP_VERSION)
+                fop = SFRAME_GET_PROCNUM (sframe);
+
+        return ((fop == GFS3_OP_LK) ||
+                (fop == GFS3_OP_INODELK) ||
+                (fop == GFS3_OP_FINODELK) ||
+                (fop == GFS3_OP_ENTRYLK) ||
+                (fop == GFS3_OP_FENTRYLK));
+}
 
 struct saved_frame *
 __saved_frames_put (struct saved_frames *frames, void *frame,
@@ -90,7 +105,11 @@ __saved_frames_put (struct saved_frames *frames, void *frame,
         saved_frame->rpcreq       = rpcreq;
 	gettimeofday (&saved_frame->saved_at, NULL);
 
-	list_add_tail (&saved_frame->list, &frames->sf.list);
+        if (_is_lock_fop (saved_frame))
+                list_add_tail (&saved_frame->list, &frames->lk_sf.list);
+        else
+                list_add_tail (&saved_frame->list, &frames->sf.list);
+
 	frames->count++;
 
 out:
@@ -254,6 +273,7 @@ saved_frames_new (void)
 	}
 
 	INIT_LIST_HEAD (&saved_frames->sf.list);
+	INIT_LIST_HEAD (&saved_frames->lk_sf.list);
 
 	return saved_frames;
 }
@@ -275,7 +295,15 @@ __saved_frame_copy (struct saved_frames *frames, int64_t callid,
 		if (tmp->rpcreq->xid == callid) {
 			*saved_frame = *tmp;
                         ret = 0;
-			break;
+			goto out;
+		}
+	}
+
+	list_for_each_entry (tmp, &frames->lk_sf.list, list) {
+		if (tmp->rpcreq->xid == callid) {
+			*saved_frame = *tmp;
+                        ret = 0;
+			goto out;
 		}
 	}
 
@@ -295,10 +323,20 @@ __saved_frame_get (struct saved_frames *frames, int64_t callid)
 			list_del_init (&tmp->list);
 			frames->count--;
 			saved_frame = tmp;
-			break;
+			goto out;
+		}
+	}
+
+	list_for_each_entry (tmp, &frames->lk_sf.list, list) {
+		if (tmp->rpcreq->xid == callid) {
+			list_del_init (&tmp->list);
+			frames->count--;
+			saved_frame = tmp;
+			goto out;
 		}
 	}
 
+out:
 	if (saved_frame) {
                 THIS  = saved_frame->capital_this;
         }
@@ -318,6 +356,8 @@ saved_frames_unwind (struct saved_frames *saved_frames)
 
         struct iovec          iov = {0,};
 
+        list_splice_init (&saved_frames->lk_sf.list, &saved_frames->sf.list);
+
 	list_for_each_entry_safe (trav, tmp, &saved_frames->sf.list, list) {
                 frame_sent_tm = localtime (&trav->saved_at.tv_sec);
                 strftime (timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S",
diff --git a/rpc/rpc-lib/src/rpc-clnt.h b/rpc/rpc-lib/src/rpc-clnt.h
index c2bc4c0b6..e3b2ec3f1 100644
--- a/rpc/rpc-lib/src/rpc-clnt.h
+++ b/rpc/rpc-lib/src/rpc-clnt.h
@@ -34,6 +34,10 @@ typedef enum {
 #define AUTH_GLUSTERFS  5
 #define RPC_CLNT_MAX_AUTH_BYTES 1024
 
+#define SFRAME_GET_PROGNUM(sframe) (sframe->rpcreq->prog->prognum)
+#define SFRAME_GET_PROGVER(sframe) (sframe->rpcreq->prog->progver)
+#define SFRAME_GET_PROCNUM(sframe) (sframe->rpcreq->procnum)
+
 struct xptr_clnt;
 struct rpc_req;
 struct rpc_clnt;
@@ -66,6 +70,7 @@ struct saved_frame {
 struct saved_frames {
 	int64_t            count;
 	struct saved_frame sf;
+	struct saved_frame lk_sf;
 };