-/* -*- MODE: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * mdd/mdd_handler.c
- * Lustre Metadata Server (mdd) routines
+ * GPL HEADER START
*
- * Copyright (C) 2006 Cluster File Systems, Inc.
- * Author: Wang Di <wangdi@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * In either case, 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
- * license text for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
*/
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdd/mdd_device.c
+ *
+ * Lustre Metadata Server (mdd) routines
+ *
+ * Author: Wang Di <wangdi@clusterfs.com>
+ */
+
#ifndef EXPORT_SYMTAB
# define EXPORT_SYMTAB
#endif
#include <linux/ldiskfs_fs.h>
#include <lustre_mds.h>
#include <lustre/lustre_idl.h>
+#include <lustre_param.h>
#include "mdd_internal.h"
-struct md_device_operations mdd_ops;
+const struct md_device_operations mdd_ops;
static const char *mdd_root_dir_name = "root";
static int mdd_device_init(const struct lu_env *env, struct lu_device *d,
mdd->mdd_txn_cb.dtc_txn_stop = mdd_txn_stop_cb;
mdd->mdd_txn_cb.dtc_txn_commit = mdd_txn_commit_cb;
mdd->mdd_txn_cb.dtc_cookie = mdd;
- INIT_LIST_HEAD(&mdd->mdd_txn_cb.dtc_linkage);
+ CFS_INIT_LIST_HEAD(&mdd->mdd_txn_cb.dtc_linkage);
mdd->mdd_atime_diff = MAX_ATIME_DIFF;
rc = mdd_procfs_init(mdd, name);
static struct lu_device *mdd_device_fini(const struct lu_env *env,
struct lu_device *d)
{
- struct mdd_device *mdd = lu2mdd_dev(d);
+ struct mdd_device *mdd = lu2mdd_dev(d);
struct lu_device *next = &mdd->mdd_child->dd_lu_dev;
int rc;
ENTRY;
switch (cfg->lcfg_command) {
+ case LCFG_PARAM: {
+ struct lprocfs_static_vars lvars;
+
+ lprocfs_mdd_init_vars(&lvars);
+ rc = class_process_proc_param(PARAM_MDD, lvars.obd_vars, cfg,m);
+ if (rc == -ENOSYS)
+ /* we don't understand; pass it on */
+ rc = next->ld_ops->ldo_process_config(env, next, cfg);
+ break;
+ }
case LCFG_SETUP:
rc = next->ld_ops->ldo_process_config(env, next, cfg);
if (rc)
RETURN(rc);
}
-struct lu_device_operations mdd_lu_ops = {
- .ldo_object_alloc = mdd_object_alloc,
+const struct lu_device_operations mdd_lu_ops = {
+ .ldo_object_alloc = mdd_object_alloc,
.ldo_process_config = mdd_process_config,
.ldo_recovery_complete = mdd_recovery_complete
};
static int mdd_statfs(const struct lu_env *env, struct md_device *m,
struct kstatfs *sfs)
{
- struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
+ struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
int rc;
ENTRY;
static int mdd_maxsize_get(const struct lu_env *env, struct md_device *m,
int *md_size, int *cookie_size)
{
- struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
+ struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
ENTRY;
*md_size = mdd_lov_mdsize(env, mdd);
int mode, unsigned long timeout, __u32 alg,
struct lustre_capa_key *keys)
{
- struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
+ struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
struct mds_obd *mds = &mdd2obd_dev(mdd)->u.mds;
int rc;
ENTRY;
struct md_device *m,
struct lustre_capa_key *key)
{
- struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
+ struct mdd_device *mdd = lu2mdd_dev(&m->md_lu_dev);
struct obd_export *lov_exp = mdd2obd_dev(mdd)->u.mds.mds_osc_exp;
int rc;
ENTRY;
- rc = obd_set_info_async(lov_exp, strlen(KEY_CAPA_KEY), KEY_CAPA_KEY,
+ rc = obd_set_info_async(lov_exp, sizeof(KEY_CAPA_KEY), KEY_CAPA_KEY,
sizeof(*key), key, NULL);
RETURN(rc);
}
return l;
}
-static void mdd_device_free(const struct lu_env *env,
- struct lu_device *lu)
+static struct lu_device *mdd_device_free(const struct lu_env *env,
+ struct lu_device *lu)
{
struct mdd_device *m = lu2mdd_dev(lu);
+ struct lu_device *next = &m->mdd_child->dd_lu_dev;
+ ENTRY;
LASSERT(atomic_read(&lu->ld_ref) == 0);
md_device_fini(&m->mdd_md_dev);
OBD_FREE_PTR(m);
+ RETURN(next);
}
static struct obd_ops mdd_obd_device_ops = {
/* type constructor/destructor: mdd_type_init, mdd_type_fini */
LU_TYPE_INIT_FINI(mdd, &mdd_thread_key, &mdd_ucred_key, &mdd_capainfo_key);
-struct md_device_operations mdd_ops = {
+const struct md_device_operations mdd_ops = {
.mdo_statfs = mdd_statfs,
.mdo_root_get = mdd_root_get,
.mdo_maxsize_get = mdd_maxsize_get,
.ldto_init = mdd_type_init,
.ldto_fini = mdd_type_fini,
+ .ldto_start = mdd_type_start,
+ .ldto_stop = mdd_type_stop,
+
.ldto_device_alloc = mdd_device_alloc,
.ldto_device_free = mdd_device_free,
class_unregister_type(LUSTRE_MDD_NAME);
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Meta-data Device Prototype ("LUSTRE_MDD_NAME")");
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff