/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/osd/osd_internal.h
- * Shared definitions and declarations for osd module
+ * GPL HEADER START
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Nikita Danilov <nikita@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/osd/osd_internal.h
+ *
+ * Shared definitions and declarations for osd module
+ *
+ * Author: Nikita Danilov <nikita@clusterfs.com>
*/
#ifndef _OSD_INTERNAL_H
#include <linux/dcache.h>
#include <linux/lustre_iam.h>
+/* LUSTRE_OSD_NAME */
+#include <obd.h>
+/* class_register_type(), class_unregister_type(), class_get_type() */
+#include <obd_class.h>
+#include <lustre_disk.h>
+
#include <dt_object.h>
#include "osd_oi.h"
#define OSD_COUNTERS (0)
+/*
+ * osd device.
+ */
+struct osd_device {
+ /* super-class */
+ struct dt_device od_dt_dev;
+ /* information about underlying file system */
+ struct lustre_mount_info *od_mount;
+ /* object index */
+ struct osd_oi od_oi;
+ /*
+ * XXX temporary stuff for object index: directory where every object
+ * is named by its fid.
+ */
+ struct dentry *od_obj_area;
+
+ /* Environment for transaction commit callback.
+ * Currently, OSD is based on ext3/JBD. Transaction commit in ext3/JBD
+ * is serialized, that is there is no more than one transaction commit
+ * at a time (JBD journal_commit_transaction() is serialized).
+ * This means that it's enough to have _one_ lu_context.
+ */
+ struct lu_env od_env_for_commit;
+
+ /*
+ * Fid Capability
+ */
+ unsigned int od_fl_capa:1;
+ unsigned long od_capa_timeout;
+ __u32 od_capa_alg;
+ struct lustre_capa_key *od_capa_keys;
+ struct hlist_head *od_capa_hash;
+
+ cfs_proc_dir_entry_t *od_proc_entry;
+ struct lprocfs_stats *od_stats;
+ /*
+ * statfs optimization: we cache a bit.
+ */
+ cfs_time_t od_osfs_age;
+ struct kstatfs od_kstatfs;
+ spinlock_t od_osfs_lock;
+};
+
+
struct osd_thread_info {
const struct lu_env *oti_env;
struct lu_fid_pack oti_pack;
+ /* union to guarantee that ->oti_ipd[] has proper alignment. */
+ union {
char oti_ipd[DX_IPD_MAX_SIZE];
+ long long oti_alignment_lieutenant;
+ };
#if OSD_COUNTERS
int oti_r_locks;
int oti_w_locks;
#endif
};
+#ifdef LPROCFS
+/* osd_lproc.c */
+void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars);
+int osd_procfs_init(struct osd_device *osd, const char *name);
+int osd_procfs_fini(struct osd_device *osd);
+void osd_lprocfs_time_start(const struct lu_env *env);
+void osd_lprocfs_time_end(const struct lu_env *env,
+ struct osd_device *osd, int op);
+#endif
+int osd_statfs(const struct lu_env *env, struct dt_device *dev,
+ struct kstatfs *sfs);
+
#endif /* __KERNEL__ */
#endif /* _OSD_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff