fsync_fops.c

Go to the documentation of this file.

/* -*- C -*- */
/*
 * Copyright (c) 2014-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */

#define M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_COB
#include "mdservice/fsync_foms.h"
#include "mdservice/fsync_fops.h"
#include "mdservice/fsync_fops_xc.h"
#include "rpc/rpc_opcodes.h"
#include "lib/trace.h"
#include "fop/fom_generic.h" /* m0_generic_conf */

struct m0_fop_type m0_fop_fsync_mds_fopt;

struct m0_fop_type m0_fop_fsync_rep_fopt;

M0_INTERNAL void m0_mdservice_fsync_fop_fini(void)
{
        m0_fop_type_fini(&m0_fop_fsync_mds_fopt);

        m0_fop_type_fini(&m0_fop_fsync_rep_fopt);

#ifndef __KERNEL__
        m0_sm_conf_fini(&m0_fsync_fom_conf);
#endif
}
M0_EXPORTED(m0_mdservice_fsync_fop_fini);

#ifndef __KERNEL__

const struct m0_fom_type_ops m0_fsync_fom_ops = {
        .fto_create = m0_fsync_req_fom_create
};


static void fop_init(struct m0_reqh_service_type * svct)
{
        M0_ASSERT(svct != NULL);

        /* extend m0_fsync_fom_conf with the generic phases */
        m0_sm_conf_extend(m0_generic_conf.scf_state, m0_fsync_fom_phases,
                          m0_generic_conf.scf_nr_states);

        m0_sm_conf_trans_extend(&m0_generic_conf, &m0_fsync_fom_conf);

        m0_sm_conf_init(&m0_fsync_fom_conf);

        M0_FOP_TYPE_INIT(&m0_fop_fsync_mds_fopt,
                         .name      = "fsync-mds request",
                         .opcode    = M0_FSYNC_MDS_OPCODE,
                         .xt        = m0_fop_fsync_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_REQUEST,
                         .fom_ops   = &m0_fsync_fom_ops,
                         /*
                          * The fsync fopt is initialize with the svct of the
                          * first service calling this function.
                          */
                         .svc_type  = svct,
                         .sm        = &m0_fsync_fom_conf);
}

#else /* __KERNEL__ */

static void fop_init(__attribute__((unused)) struct m0_reqh_service_type * svct)
{
        M0_FOP_TYPE_INIT(&m0_fop_fsync_mds_fopt,
                         .name      = "fsync-mds request",
                         .opcode    = M0_FSYNC_MDS_OPCODE,
                         .xt        = m0_fop_fsync_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_REQUEST);
}

M0_EXPORTED(m0_mdservice_fsync_fop_init);

#endif


M0_INTERNAL int m0_mdservice_fsync_fop_init(struct m0_reqh_service_type * svct)
{
        fop_init(svct);

        M0_FOP_TYPE_INIT(&m0_fop_fsync_rep_fopt,
                         .name      = "fsync reply",
                         .opcode    = M0_FSYNC_MDS_REP_OPCODE,
                         .xt        = m0_fop_fsync_rep_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_REPLY);
        return M0_RC(0);
}


#undef M0_TRACE_SUBSYSTEM
/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */