/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2006 Cluster File Systems, Inc.
- * Author: Nathan Rutman <nathan@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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).
*
- * 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.
+ * 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
*
+ * 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/include/lustre_disk.h
*
* Lustre disk format definitions.
+ *
+ * Author: Nathan Rutman <nathan@clusterfs.com>
*/
#ifndef _LUSTRE_DISK_H
#define _LUSTRE_DISK_H
+#include <libcfs/libcfs.h>
#include <lnet/types.h>
/****************** on-disk files *********************/
#define LDD_F_PARAM 0x0400 /* process as lctl conf_param */
enum ldd_mount_type {
- LDD_MT_EXT3 = 0,
+ LDD_MT_EXT3 = 0,
LDD_MT_LDISKFS,
- LDD_MT_SMFS,
+ LDD_MT_SMFS,
LDD_MT_REISERFS,
LDD_MT_LDISKFS2,
LDD_MT_LAST
};
-
+
static inline char *mt_str(enum ldd_mount_type mt)
{
static char *mount_type_string[] = {
__u32 ldd_feature_compat; /* compatible feature flags */
__u32 ldd_feature_rocompat;/* read-only compatible feature flags */
__u32 ldd_feature_incompat;/* incompatible feature flags */
-
+
__u32 ldd_config_ver; /* config rewrite count - not used */
__u32 ldd_flags; /* LDD_SV_TYPE */
__u32 ldd_svindex; /* server index (0001), must match
char ldd_fsname[64]; /* filesystem this server is part of */
char ldd_svname[64]; /* this server's name (lustre-mdt0001)*/
__u8 ldd_uuid[40]; /* server UUID (COMPAT_146) */
-
+
/*200*/ char ldd_userdata[1024 - 200]; /* arbitrary user string */
/*1024*/__u8 ldd_padding[4096 - 1024];
/*4096*/char ldd_mount_opts[4096]; /* target fs mount opts */
{
if (flags & (LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST)) {
sprintf(name, "%.8s-%s%04x", fs,
- (flags & LDD_F_SV_TYPE_MDT) ? "MDT" : "OST",
+ (flags & LDD_F_SV_TYPE_MDT) ? "MDT" : "OST",
index);
} else if (flags & LDD_F_SV_TYPE_MGS) {
sprintf(name, "MGS");
int lmd_exclude_count;
char *lmd_dev; /* device name */
char *lmd_profile; /* client only */
- char *lmd_sec_mdt; /* sec from mdt (to ost/mdt) */
- char *lmd_sec_cli; /* sec from client (to ost/mdt) */
- uid_t lmd_nllu; /* non-lustre-local-user id */
- gid_t lmd_nllg; /* non-lustre-local-group id */
char *lmd_opts; /* lustre mount options (as opposed to
_device_ mount options) */
__u32 *lmd_exclude; /* array of OSTs to ignore */
#define LMD_FLG_ABORT_RECOV 0x0008 /* Abort recovery */
#define LMD_FLG_NOSVC 0x0010 /* Only start MGS/MGC for servers,
no other services */
+#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers, reusing
+ existing MGS services */
#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
#if LR_CLIENT_START < LR_SERVER_SIZE
#error "Can't have LR_CLIENT_START < LR_SERVER_SIZE"
#endif
-/* This limit is arbitrary (32k clients on x86), but it is convenient to use
- * 2^n * CFS_PAGE_SIZE * 8 for the number of bits that fit an order-n allocation. */
+
+/*
+ * This limit is arbitrary (131072 clients on x86), but it is convenient to use
+ * 2^n * CFS_PAGE_SIZE * 8 for the number of bits that fit an order-n allocation.
+ * If we need more than 131072 clients (order-2 allocation on x86) then this
+ * should become an array of single-page pointers that are allocated on demand.
+ */
+#if (128 * 1024UL) > (CFS_PAGE_SIZE * 8)
+#define LR_MAX_CLIENTS (128 * 1024UL)
+#else
#define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
+#endif
-
/* COMPAT_146 */
#define OBD_COMPAT_OST 0x00000002 /* this is an OST (temporary) */
#define OBD_COMPAT_MDT 0x00000004 /* this is an MDT (temporary) */
int server_mti_print(char *title, struct mgs_target_info *mti);
/* mgc_request.c */
-int mgc_logname2resid(char *logname, struct ldlm_res_id *res_id);
+int mgc_fsname2resid(char *fsname, struct ldlm_res_id *res_id);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff