X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_mds.h;h=56a5cf0cc497c9d675006e99b0ad28c34eeb27fe;hb=02b25c91f1d06bd352fcc1a9ae91eeaabfc9f698;hp=b051786b482faf5cb9dbc2bdc938ef9fed443617;hpb=b0cd8cd9ffb2f067319d2069fe4652e987b59265;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre_mds.h b/lustre/include/lustre_mds.h index b051786..56a5cf0 100644 --- a/lustre/include/lustre_mds.h +++ b/lustre/include/lustre_mds.h @@ -1,7 +1,39 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * This file is part of Lustre, http://www.lustre.org + * 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. + * + * lustre/include/lustre_mds.h * * MDS data structures. * See also lustre_idl.h for wire formats of requests. @@ -11,7 +43,7 @@ #define _LUSTRE_MDS_H #include -#include +#include #include #include #include @@ -28,91 +60,35 @@ #error Unsupported operating system. #endif -struct ldlm_lock_desc; -struct mds_obd; -struct ptlrpc_connection; -struct ptlrpc_client; -struct obd_export; -struct ptlrpc_request; -struct obd_device; -struct ll_file_data; - -struct mds_update_record { - __u32 ur_opcode; - struct ll_fid *ur_fid1; - struct ll_fid *ur_fid2; - int ur_namelen; - char *ur_name; - int ur_tgtlen; - char *ur_tgt; - int ur_eadatalen; - void *ur_eadata; - int ur_cookielen; - struct llog_cookie *ur_logcookies; - struct iattr ur_iattr; - struct lvfs_ucred ur_uc; - __u64 ur_rdev; - __u64 ur_time; - __u32 ur_mode; - __u32 ur_flags; - struct lvfs_grp_hash_entry *ur_grp_entry; - struct ldlm_request *ur_dlm; -}; - -/* file data for open files on MDS */ -struct mds_file_data { - struct portals_handle mfd_handle; /* must be first */ - atomic_t mfd_refcount; - struct list_head mfd_list; /* protected by med_open_lock */ - __u64 mfd_xid; - int mfd_mode; - struct dentry *mfd_dentry; -}; - struct mds_group_info { struct obd_uuid *uuid; int group; }; -/* mds/mds_reint.c */ -struct inode; - -int mds_reint_rec(struct mds_update_record *r, int offset, - struct ptlrpc_request *req, struct lustre_handle *); - -int mds_osc_setattr_async(struct obd_device *obd, __u32 uid, __u32 gid, - struct lov_mds_md *lmm, int lmm_size, - struct llog_cookie *logcookies, __u64 id, __u32 gen, - struct obd_capa *oc); - -int mds_log_op_unlink(struct obd_device *obd, - struct lov_mds_md *lmm, int lmm_size, - struct llog_cookie *logcookies, int cookies_size); -int mds_log_op_setattr(struct obd_device *obd, __u32 uid, __u32 gid, - struct lov_mds_md *lmm, int lmm_size, - struct llog_cookie *logcookies, int cookies_size); +struct mds_capa_info { + struct obd_uuid *uuid; + struct lustre_capa_key *capa; +}; +/* mds/mds_lov.c */ int mds_lov_write_objids(struct obd_device *obd); -void mds_lov_update_objids(struct obd_device *obd, obd_id *ids); -void mds_objids_from_lmm(obd_id *, struct lov_mds_md *, struct lov_desc *); +int mds_lov_prepare_objids(struct obd_device *obd, struct lov_mds_md *lmm); +void mds_lov_update_objids(struct obd_device *obd, struct lov_mds_md *lmm); +int mds_log_op_unlink(struct obd_device *, struct lov_mds_md *, int, + struct llog_cookie *, int); + -/* ioctls for trying requests */ -#define IOC_REQUEST_TYPE 'f' -#define IOC_REQUEST_MIN_NR 30 +#define MDD_OBD_NAME "mdd_obd" +#define MDD_OBD_UUID "mdd_obd_uuid" +#define MDD_OBD_TYPE "mds" -#define IOC_REQUEST_GETATTR _IOWR('f', 30, long) -#define IOC_REQUEST_READPAGE _IOWR('f', 31, long) -#define IOC_REQUEST_SETATTR _IOWR('f', 32, long) -#define IOC_REQUEST_CREATE _IOWR('f', 33, long) -#define IOC_REQUEST_OPEN _IOWR('f', 34, long) -#define IOC_REQUEST_CLOSE _IOWR('f', 35, long) -#define IOC_REQUEST_MAX_NR 35 +static inline int md_should_create(__u32 flags) +{ + return !(flags & MDS_OPEN_DELAY_CREATE || + !(flags & FMODE_WRITE)); +} -#define MDS_LOV_MD_NAME "trusted.lov" -#define MDS_LMV_MD_NAME "trusted.lmv" -#define MDD_OBD_NAME "mdd_obd" -#define MDD_OBD_UUID "mdd_obd_uuid" -#define MDD_OBD_TYPE "mds" -#define MDD_OBD_PROFILE "lustre-MDT0000" +/* these are local flags, used only on the client, private */ +#define M_CHECK_STALE 0200000000 #endif