/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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.
+ *
+ * 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
+ * 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.
*/
#ifndef _MGS_INTERNAL_H
#ifdef __KERNEL__
# include <linux/fs.h>
#endif
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <lustre_dlm.h>
#include <lustre_log.h>
#include <lustre_export.h>
-
-/* in ms */
-#define MGS_SERVICE_WATCHDOG_TIMEOUT (obd_timeout * 1000)
-
/* mgs_llog.c */
int class_dentry_readdir(struct obd_device *obd, struct dentry *dir,
- struct vfsmount *inmnt,
- struct list_head *dentry_list);
+ struct vfsmount *inmnt,
+ cfs_list_t *dentry_list);
-#define INDEX_MAP_SIZE 8192 /* covers indicies to FFFF */
+#define MGSSELF_NAME "_mgs"
+
+struct mgs_tgt_srpc_conf {
+ struct mgs_tgt_srpc_conf *mtsc_next;
+ char *mtsc_tgt;
+ struct sptlrpc_rule_set mtsc_rset;
+};
+
+#define INDEX_MAP_SIZE 8192 /* covers indicies to FFFF */
#define FSDB_LOG_EMPTY 0x0001 /* missing client log */
#define FSDB_OLDLOG14 0x0002 /* log starts in old (1.4) style */
+
struct fs_db {
- char fsdb_name[8];
- struct list_head fsdb_list; /* list of databases */
- struct semaphore fsdb_sem;
+ char fsdb_name[9];
+ cfs_list_t fsdb_list; /* list of databases */
+ cfs_semaphore_t fsdb_sem;
void *fsdb_ost_index_map; /* bitmap of used indicies */
void *fsdb_mdt_index_map; /* bitmap of used indicies */
/* COMPAT_146 these items must be recorded out of the old client log */
- char *fsdb_clilov; /* COMPAT_146 client lov name */
- char *fsdb_mdtlov; /* COMPAT_146 mds lov name */
- char *fsdb_mdc; /* COMPAT_146 mdc name */
+ char *fsdb_clilov; /* COMPAT_146 client lov name */
+ char *fsdb_clilmv;
+ char *fsdb_mdtlov; /* COMPAT_146 mds lov name */
+ char *fsdb_mdtlmv;
+ char *fsdb_mdc; /* COMPAT_146 mdc name */
/* end COMPAT_146 */
__u32 fsdb_flags;
__u32 fsdb_gen;
+
+ __u8 fsdb_revoking_lock; /* lock is being revoked */
+
+ /* in-memory copy of the srpc rules, guarded by fsdb_sem */
+ struct sptlrpc_rule_set fsdb_srpc_gen;
+ struct mgs_tgt_srpc_conf *fsdb_srpc_tgt;
+ unsigned int fsdb_fl_udesc:1,
+ fsdb_fl_mgsself:1,
+ fsdb_fl_oscname_18:1;
};
int mgs_init_fsdb_list(struct obd_device *obd);
int mgs_cleanup_fsdb_list(struct obd_device *obd);
+int mgs_find_or_make_fsdb(struct obd_device *obd, char *name,
+ struct fs_db **dbh);
+int mgs_get_fsdb_srpc_from_llog(struct obd_device *obd, struct fs_db *fsdb);
int mgs_check_index(struct obd_device *obd, struct mgs_target_info *mti);
int mgs_check_failnid(struct obd_device *obd, struct mgs_target_info *mti);
-int mgs_write_log_target(struct obd_device *obd, struct mgs_target_info *mti);
-int mgs_upgrade_sv_14(struct obd_device *obd, struct mgs_target_info *mti);
+int mgs_write_log_target(struct obd_device *obd, struct mgs_target_info *mti,
+ struct fs_db *fsdb);
+int mgs_upgrade_sv_14(struct obd_device *obd, struct mgs_target_info *mti,
+ struct fs_db *fsdb);
int mgs_erase_log(struct obd_device *obd, char *name);
int mgs_erase_logs(struct obd_device *obd, char *fsname);
int mgs_setparam(struct obd_device *obd, struct lustre_cfg *lcfg, char *fsname);
+int mgs_pool_cmd(struct obd_device *obd, enum lcfg_command_type cmd,
+ char *poolname, char *fsname, char *ostname);
+
+/* mgs_handler.c */
+void mgs_revoke_lock(struct obd_device *obd, struct fs_db *fsdb);
+
/* mgs_fs.c */
+int mgs_client_add(struct obd_device *obd, struct obd_export *exp,
+ void *localdata);
+int mgs_client_free(struct obd_export *exp);
int mgs_fs_setup(struct obd_device *obd, struct vfsmount *mnt);
int mgs_fs_cleanup(struct obd_device *obddev);
#define strsuf(buf, suffix) (strcmp((buf)+strlen(buf)-strlen(suffix), (suffix)))
-
#ifdef LPROCFS
int lproc_mgs_setup(struct obd_device *dev);
+int lproc_mgs_cleanup(struct obd_device *obd);
int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb);
int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb);
+void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars);
#else
-static inline int lproc_mgs_setup(struct obd_device *dev)
+static inline int lproc_mgs_setup(struct obd_device *dev)
+{return 0;}
+static inline int lproc_mgs_cleanup(struct obd_device *obd)
{return 0;}
-static int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb)
+static inline int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb)
{return 0;}
-static int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb)
+static inline int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb)
{return 0;}
+static void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
+{
+ memset(lvars, 0, sizeof(*lvars));
+}
#endif
+/* mgs/lproc_mgs.c */
+enum {
+ LPROC_MGS_CONNECT = 0,
+ LPROC_MGS_DISCONNECT,
+ LPROC_MGS_EXCEPTION,
+ LPROC_MGS_TARGET_REG,
+ LPROC_MGS_TARGET_DEL,
+ LPROC_MGS_LAST
+};
+void mgs_counter_incr(struct obd_export *exp, int opcode);
+void mgs_stats_counter_init(struct lprocfs_stats *stats);
#endif /* _MGS_INTERNAL_H */
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff