+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * lustre/mdc/mdc_log.c
- *
- * Copyright (c) 2001-2003 Cluster File Systems, Inc.
-
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * Lustre 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 Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#define DEBUG_SUBSYSTEM S_MDC
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/version.h>
-
-#include <portals/list.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lustre_commit_confd.h>
-
-#include "mdc_internal.h"
-
-static int mdc_llog_cleanup(struct llog_obd_ctxt *ctxt, int ctxt_idx)
-{
- struct obd_device *obd = ctxt->loc_obd;
- int rc = 0;
- ENTRY;
-
- LASSERT(obd->obd_llog_ctxt[ctxt_idx]);
- class_unlink_export(ctxt->loc_exp);
- class_export_put(ctxt->loc_exp);
-
- obd->obd_llog_ctxt[ctxt_idx] = NULL;
- OBD_FREE(ctxt, sizeof(*ctxt));
- RETURN(rc);
-}
-
-struct llog_operations mdc_llog_ops;
-int mdc_llog_setup(struct obd_device *obd, int ctxt_idx,
- struct obd_device *disk_obd, struct obd_uuid uuid,
- struct llog_logid *logid)
-{
- struct llog_obd_ctxt *ctxt;
- int rc = 0;
- ENTRY;
-
- if (obd->obd_llog_ctxt[ctxt_idx]) {
- CERROR("obd_llog_ctxt %d already allocated\n", ctxt_idx);
- LBUG();
- }
-
- OBD_ALLOC(ctxt, sizeof(*ctxt));
- if (!ctxt)
- RETURN(-ENOMEM);
- obd->obd_llog_ctxt[ctxt_idx] = ctxt;
- sema_init(&ctxt->loc_sem, 1);
- ctxt->loc_idx = ctxt_idx;
- ctxt->loc_obd = obd;
-
- ctxt->loc_exp = class_new_export(disk_obd);
-
- mdc_llog_ops = llog_lvfs_ops;
- mdc_llog_ops.lop_setup = mdc_llog_setup;
- mdc_llog_ops.lop_cleanup = mdc_llog_cleanup;
- mdc_llog_ops.lop_add = NULL;
- mdc_llog_ops.lop_cancel = NULL;
-
- ctxt->loc_logops = &mdc_llog_ops;
- RETURN(rc);
-}