glusterd: bring in feature to use syncop for mgmt ops

* new sycnop routines added to mgmt program
* one should not use 'glusterd_op_begin()', instead can use the
  synctask framework, 'glusterd_op_begin_synctask()'
* currently using for below operations:
  'volume start', 'volume rebalance', 'volume quota',
  'volume replace-brick' and 'volume add-brick'

Change-Id: I0bee76d06790d5c5bb5db15d443b44af0e21f1c0
BUG: 762935
Signed-off-by: Amar Tumballi <amar@gluster.com>
Reviewed-on: http://review.gluster.com/479
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-syncop.h b/xlators/mgmt/glusterd/src/glusterd-syncop.h
new file mode 100644
index 00000000000..ccaf794ea18
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd-syncop.h
@@ -0,0 +1,54 @@
+/*
+  Copyright (c) 2012 Red Hat, Inc. <http://www.redhat.com>
+  This file is part of GlusterFS.
+
+  GlusterFS is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 3 of the License,
+  or (at your option) any later version.
+
+  GlusterFS is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __RPC_SYNCOP_H
+#define __RPC_SYNCOP_H
+
+#include "syncop.h"
+
+
+/* gd_syncop_* */
+#define GD_SYNCOP(rpc, stb, cbk, req, prog, procnum, xdrproc) do {      \
+                int ret = 0;                                            \
+                ret = gd_syncop_submit_request (rpc, req, stb,          \
+                                                prog, procnum, cbk,     \
+                                                (xdrproc_t)xdrproc);    \
+                if (!ret)                                               \
+                        __yield (stb);                                  \
+        } while (0)
+
+
+int gd_syncop_submit_request (struct rpc_clnt *rpc, void *req,
+                               void *cookie, rpc_clnt_prog_t *prog,
+                               int procnum, fop_cbk_fn_t cbkfn,
+                               xdrproc_t xdrproc);
+
+
+int gd_syncop_mgmt_lock (struct rpc_clnt *rpc, uuid_t my_uuid,
+                          uuid_t recv_uuid);
+int gd_syncop_mgmt_unlock (struct rpc_clnt *rpc, uuid_t my_uuid,
+                            uuid_t recv_uuid);
+int gd_syncop_mgmt_stage_op (struct rpc_clnt *rpc, uuid_t my_uuid,
+                              uuid_t recv_uuid, int op, dict_t *dict_out,
+                              dict_t **dict_in, char **errstr);
+int gd_syncop_mgmt_commit_op (struct rpc_clnt *rpc, uuid_t my_uuid,
+                               uuid_t recv_uuid, int op, dict_t *dict_out,
+                               dict_t **dict_in, char **errstr);
+
+#endif /* __RPC_SYNCOP_H */