X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Fmdt%2Fmdt_internal.h;h=5457a0535a0321a30aa585296bbaac9f4c13f407;hb=9d3ad9fba3e244735f0994c3910e9de00e2a7f4d;hp=d943076379e24e8aa13881a58aaff80af759e553;hpb=fd908da92ccd9aab4ffc3d2463301831260c0474;p=fs%2Flustre-release.git diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h index d943076..5457a05 100644 --- a/lustre/mdt/mdt_internal.h +++ b/lustre/mdt/mdt_internal.h @@ -1,34 +1,48 @@ /* -*- 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 - * Author: Andreas Dilger - * Author: Phil Schwan - * Author: Mike Shaver - * Author: Nikita Danilov - * Author: Huang Hua + * 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 + * Author: Andreas Dilger + * Author: Phil Schwan + * Author: Mike Shaver + * Author: Nikita Danilov + * Author: Huang Hua */ #ifndef _MDT_INTERNAL_H @@ -58,60 +72,24 @@ #include #include - -/* 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 { @@ -174,7 +152,7 @@ struct mdt_device { __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)]; @@ -190,7 +168,7 @@ struct mdt_device { struct dt_object *mdt_ck_obj; unsigned long mdt_ck_timeout; unsigned long mdt_ck_expiry; - struct timer_list mdt_ck_timer; + cfs_timer_t mdt_ck_timer; struct ptlrpc_thread mdt_ck_thread; struct lustre_capa_key mdt_capa_keys[2]; unsigned int mdt_capa_conf:1; @@ -199,8 +177,7 @@ struct mdt_device { 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) @@ -333,7 +310,7 @@ struct mdt_thread_info { /* * 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()). */ @@ -381,8 +358,8 @@ struct mdt_thread_info { __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; @@ -412,10 +389,10 @@ struct mdt_txn_info { 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)); @@ -425,7 +402,8 @@ static inline void mdt_trans_add_cb(const struct thandle *th, 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; @@ -474,6 +452,22 @@ static inline const struct lu_fid *mdt_object_fid(struct mdt_object *o) 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); @@ -547,6 +541,10 @@ int mdt_client_add(const struct lu_env *env, 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, @@ -670,7 +668,7 @@ static inline int mdt_check_resent(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); }