/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/mdt/mdt_internal.h
- * Lustre Metadata Target (mdt) request handler
+ * GPL HEADER START
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Mike Shaver <shaver@clusterfs.com>
- * Author: Nikita Danilov <nikita@clusterfs.com>
- * Author: Huang Hua <huanghua@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/mdt/mdt_internal.h
+ *
+ * Lustre Metadata Target (mdt) request handler
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Mike Shaver <shaver@clusterfs.com>
+ * Author: Nikita Danilov <nikita@clusterfs.com>
+ * Author: Huang Hua <huanghua@clusterfs.com>
*/
#ifndef _MDT_INTERNAL_H
#include <lustre_idmap.h>
#include <lustre_eacl.h>
-
-/* Data stored per client in the last_rcvd file. In le32 order. */
-struct mdt_client_data {
- __u8 mcd_uuid[40]; /* client UUID */
- __u64 mcd_last_transno; /* last completed transaction ID */
- __u64 mcd_last_xid; /* xid for the last transaction */
- __u32 mcd_last_result; /* result from last RPC */
- __u32 mcd_last_data; /* per-op data (disposition for open &c.) */
- /* for MDS_CLOSE and MDS_DONE_WRITTING requests */
- __u64 mcd_last_close_transno; /* last completed transaction ID */
- __u64 mcd_last_close_xid; /* xid for the last transaction */
- __u32 mcd_last_close_result; /* result from last RPC */
- __u8 mcd_padding[LR_CLIENT_SIZE - 84];
-};
-
-static inline __u64 mcd_last_transno(struct mdt_client_data *mcd)
+static inline __u64 lcd_last_transno(struct lsd_client_data *lcd)
{
- return max(mcd->mcd_last_transno, mcd->mcd_last_close_transno);
+ return max(lcd->lcd_last_transno, lcd->lcd_last_close_transno);
}
-static inline __u64 mcd_last_xid(struct mdt_client_data *mcd)
+static inline __u64 lcd_last_xid(struct lsd_client_data *lcd)
{
- return max(mcd->mcd_last_xid, mcd->mcd_last_close_xid);
+ return max(lcd->lcd_last_xid, lcd->lcd_last_close_xid);
}
/* check if request's xid is equal to last one or not*/
static inline int req_xid_is_last(struct ptlrpc_request *req)
{
- struct mdt_client_data *mcd = req->rq_export->exp_mdt_data.med_mcd;
- return (req->rq_xid == mcd->mcd_last_xid ||
- req->rq_xid == mcd->mcd_last_close_xid);
+ struct lsd_client_data *lcd = req->rq_export->exp_mdt_data.med_lcd;
+ return (req->rq_xid == lcd->lcd_last_xid ||
+ req->rq_xid == lcd->lcd_last_close_xid);
}
-/* copied from lr_server_data.
- * mds data stored at the head of last_rcvd file. In le32 order. */
-struct mdt_server_data {
- __u8 msd_uuid[40]; /* server UUID */
- __u64 msd_last_transno; /* last completed transaction ID */
- __u64 msd_mount_count; /* incarnation number */
- __u32 msd_feature_compat; /* compatible feature flags */
- __u32 msd_feature_rocompat;/* read-only compatible feature flags */
- __u32 msd_feature_incompat;/* incompatible feature flags */
- __u32 msd_server_size; /* size of server data area */
- __u32 msd_client_start; /* start of per-client data area */
- __u16 msd_client_size; /* size of per-client data area */
- //__u16 msd_subdir_count; /* number of subdirectories for objects */
- //__u64 msd_catalog_oid; /* recovery catalog object id */
- //__u32 msd_catalog_ogen; /* recovery catalog inode generation */
- //__u8 msd_peeruuid[40]; /* UUID of MDS associated with this OST */
- //__u32 msd_ost_index; /* index number of OST in LOV */
- //__u32 msd_mdt_index; /* index number of MDT in LMV */
- __u8 msd_padding[LR_SERVER_SIZE - 78];
-};
-
struct mdt_object;
/* file data for open files on MDS */
struct mdt_file_data {
__u64 mdt_mount_count;
/* last_rcvd data */
- struct mdt_server_data mdt_msd;
+ struct lr_server_data mdt_lsd;
spinlock_t mdt_client_bitmap_lock;
unsigned long mdt_client_bitmap[(LR_MAX_CLIENTS >> 3) / sizeof(long)];
struct lprocfs_stats *mdt_stats;
};
-/*XXX copied from mds_internal.h */
-#define MDT_SERVICE_WATCHDOG_TIMEOUT (obd_timeout * 1000)
+#define MDT_SERVICE_WATCHDOG_FACTOR (2000)
#define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID)
#define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR)
/*
* XXX: Part Three:
- * The following members will be filled expilictly
+ * The following members will be filled explictly
* with zero in mdt_reint_unpack(), because they are only used
* by reint requests (including mdt_reint_open()).
*/
__u64 mti_replayepoch;
/* server and client data buffers */
- struct mdt_server_data mti_msd;
- struct mdt_client_data mti_mcd;
+ struct lr_server_data mti_lsd;
+ struct lsd_client_data mti_lcd;
loff_t mti_off;
struct txn_param mti_txn_param;
struct lu_buf mti_buf;
extern struct lu_context_key mdt_txn_key;
static inline void mdt_trans_add_cb(const struct thandle *th,
- mdt_cb_t cb_func, void *cb_data)
+ mdt_cb_t cb_func, void *cb_data)
{
struct mdt_txn_info *txi;
-
+
txi = lu_context_key_get(&th->th_ctx, &mdt_txn_key);
LASSERT(txi->txi_cb_count < ARRAY_SIZE(txi->txi_cb));
txi->txi_cb_count++;
}
-static inline struct md_device_operations *mdt_child_ops(struct mdt_device * m)
+static inline const struct md_device_operations *
+mdt_child_ops(struct mdt_device * m)
{
LASSERT(m->mdt_child);
return m->mdt_child->md_ops;
return lu_object_fid(&o->mot_obj.mo_lu);
}
+static inline struct lu_site *mdt_lu_site(const struct mdt_device *mdt)
+{
+ return mdt->mdt_md_dev.md_lu_dev.ld_site;
+}
+
+static inline struct md_site *mdt_md_site(const struct mdt_device *mdt)
+{
+ return lu_site2md(mdt_lu_site(mdt));
+}
+
+static inline void mdt_export_evict(struct obd_export *exp)
+{
+ class_fail_export(exp);
+ class_export_put(exp);
+}
+
int mdt_get_disposition(struct ldlm_reply *rep, int flag);
void mdt_set_disposition(struct mdt_thread_info *info,
struct ldlm_reply *rep, int flag);
int mdt_client_new(const struct lu_env *env,
struct mdt_device *mdt);
+int mdt_export_stats_init(struct obd_device *obd,
+ struct obd_export *exp,
+ void *client_nid);
+
int mdt_pin(struct mdt_thread_info* info);
int mdt_lock_new_child(struct mdt_thread_info *info,
RETURN(1);
}
DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
- req->rq_export->exp_mdt_data.med_mcd->mcd_last_xid);
+ req->rq_export->exp_mdt_data.med_lcd->lcd_last_xid);
}
RETURN(0);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff