cob_foms.h

Go to the documentation of this file.

/* -*- C -*- */
/*
 * Copyright (c) 2012-2020 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.
 *
 */


#pragma once

#ifndef __MOTR_IOSERVICE_COB_FOMS_H__
#define __MOTR_IOSERVICE_COB_FOMS_H__

#include "cob/cob.h"

/* import */
struct m0_storage_dev;

enum m0_fom_cob_operations_phases {
        M0_FOPH_COB_OPS_PREPARE = M0_FOPH_NR + 1,
        M0_FOPH_COB_OPS_EXECUTE
};

struct m0_fom_cob_op {
        struct m0_stob_id        fco_stob_id;
        struct m0_fom            fco_fom;
        struct m0_pool_version  *fco_pver;
        struct m0_fid            fco_gfid;
        struct m0_fid            fco_cfid;
        uint32_t                 fco_cob_idx;
        enum m0_cob_type         fco_cob_type;
        struct m0_stob          *fco_stob;
        bool                     fco_is_done;
        enum m0_cob_op           fco_fop_type;
        bool                     fco_recreate;
        struct m0_indexvec       fco_range;
        struct m0_indexvec       fco_want;
        uint32_t                 fco_range_idx;
        struct m0_indexvec       fco_got;
        struct m0_fol_frag       fco_fol_frag;
        uint64_t                 fco_flags;
};

M0_INTERNAL int m0_cob_fom_create(struct m0_fop *fop, struct m0_fom **out,
                                  struct m0_reqh *reqh);

M0_INTERNAL int m0_cc_cob_setup(struct m0_fom_cob_op     *cc,
                                struct m0_cob_domain     *cdom,
                                const struct m0_cob_attr *attr,
                                struct m0_be_tx          *ctx);

M0_INTERNAL int m0_cc_stob_cr_credit(struct m0_stob_id *sid,
                                     struct m0_be_tx_credit *accum);

M0_INTERNAL int m0_cc_stob_create(struct m0_fom *fom, struct m0_stob_id *sid);

M0_INTERNAL int m0_cc_cob_nskey_make(struct m0_cob_nskey **nskey,
                                     const struct m0_fid *gfid,
                                     uint32_t cob_idx);

M0_INTERNAL size_t m0_cob_io_fom_locality(const struct m0_fid *fid);

#endif    /* __MOTR_IOSERVICE_COB_FOMS_H__ */

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