X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_internal.h;h=65df5fc37a32dc0804a916cb9030e8bd7020683a;hb=8f804c287bc97976f763a0c56ee6e3eab0c399a8;hp=70b6d004ba2e0dcd67a64bb4be2f88fbfb48f00f;hpb=113303973ec9f8484eb2355a1a6ef3c4c7fd6a56;p=fs%2Flustre-release.git diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h index 70b6d00..65df5fc 100644 --- a/lustre/mdc/mdc_internal.h +++ b/lustre/mdc/mdc_internal.h @@ -1,79 +1,155 @@ /* -*- 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 + * Copyright (c) 2003 Cluster File Systems, Inc. * - * MDC internal definitions. + * This file is part of the Lustre file system, http://www.lustre.org + * Lustre is a trademark of Cluster File Systems, Inc. + * + * 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. + * + * 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. + * + * 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. */ -#include +#ifndef _MDC_INTERNAL_H +#define _MDC_INTERNAL_H + +#include + void mdc_pack_req_body(struct ptlrpc_request *req, int offset, - __u64 valid, struct ll_fid *fid, int ea_size, int flags); + __u64 valid, const struct lu_fid *fid, + struct obd_capa *oc, int ea_size, int flags); +void mdc_pack_capa(struct ptlrpc_request *req, int offset, struct obd_capa *oc); void mdc_pack_rep_body(struct ptlrpc_request *); -void mdc_readdir_pack(struct ptlrpc_request *req, int offset, __u64 pg_off, - __u32 size, struct ll_fid *mdc_fid); -void mdc_getattr_pack(struct ptlrpc_request *req, int offset, int valid, - int flags, struct mdc_op_data *data); +void mdc_is_subdir_pack(struct ptlrpc_request *req, int offset, + const struct lu_fid *pfid, const struct lu_fid *cfid, + int flags); +void mdc_readdir_pack(struct ptlrpc_request *req, int pos, __u64 offset, + __u32 size, const struct lu_fid *fid, + struct obd_capa *oc); +void mdc_getattr_pack(struct ptlrpc_request *req, int offset, __u64 valid, + int flags, struct md_op_data *data); void mdc_setattr_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data, - struct iattr *iattr, void *ea, int ealen, - void *ea2, int ea2len); + struct md_op_data *op_data, + void *ea, int ealen, void *ea2, int ea2len); void mdc_create_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *op_data, const void *data, int datalen, - __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective, - __u64 rdev); + struct md_op_data *op_data, const void *data, int datalen, + __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective, + __u64 rdev); void mdc_open_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *op_data, __u32 mode, __u64 rdev, + struct md_op_data *op_data, __u32 mode, __u64 rdev, __u32 flags, const void *data, int datalen); -void mdc_join_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *op_data, __u64 head_size); +void mdc_join_pack(struct ptlrpc_request *req, int offset, + struct md_op_data *op_data, __u64 head_size); void mdc_unlink_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data); + struct md_op_data *op_data); void mdc_link_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data); + struct md_op_data *op_data); void mdc_rename_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data, + struct md_op_data *op_data, const char *old, int oldlen, const char *new, int newlen); -void mdc_close_pack(struct ptlrpc_request *req, int offset, struct obdo *oa, - int valid, struct obd_client_handle *och); +void mdc_close_pack(struct ptlrpc_request *req, int offset, + struct md_op_data *op_data); void mdc_exit_request(struct client_obd *cli); void mdc_enter_request(struct client_obd *cli); -struct mdc_open_data { - struct obd_client_handle *mod_och; - struct ptlrpc_request *mod_open_req; - struct ptlrpc_request *mod_close_req; -}; - -struct mdc_rpc_lock { - struct semaphore rpcl_sem; - struct lookup_intent *rpcl_it; -}; - -static inline void mdc_init_rpc_lock(struct mdc_rpc_lock *lck) +static inline int client_is_remote(struct obd_export *exp) { - sema_init(&lck->rpcl_sem, 1); - lck->rpcl_it = NULL; -} + struct obd_import *imp = class_exp2cliimp(exp); -static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck, - struct lookup_intent *it) -{ - ENTRY; - if (!it || (it->it_op != IT_GETATTR && it->it_op != IT_LOOKUP)) { - down(&lck->rpcl_sem); - LASSERT(lck->rpcl_it == NULL); - lck->rpcl_it = it; + if (imp->imp_connect_flags_orig & OBD_CONNECT_RMT_CLIENT) { + if (!(imp->imp_connect_data.ocd_connect_flags & + OBD_CONNECT_RMT_CLIENT)) + return 0; + else + return 1; + } else { + if (!(imp->imp_connect_data.ocd_connect_flags & + OBD_CONNECT_LCL_CLIENT)) + return 1; + else + return 0; } } -static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, - struct lookup_intent *it) -{ - if (!it || (it->it_op != IT_GETATTR && it->it_op != IT_LOOKUP)) { - LASSERT(it == lck->rpcl_it); - lck->rpcl_it = NULL; - up(&lck->rpcl_sem); - } - EXIT; -} +/* mdc/mdc_locks.c */ +int mdc_set_lock_data(struct obd_export *exp, + __u64 *lockh, void *data); + +int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid, + ldlm_iterator_t it, void *data); + +int mdc_intent_lock(struct obd_export *exp, + struct md_op_data *, + void *lmm, int lmmsize, + struct lookup_intent *, int, + struct ptlrpc_request **reqp, + ldlm_blocking_callback cb_blocking, int extra_lock_flags); +int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, + struct lookup_intent *it, struct md_op_data *op_data, + struct lustre_handle *lockh, void *lmm, int lmmlen, + int extra_lock_flags); + +int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid, + struct list_head *cancels, ldlm_mode_t mode, + __u64 bits); +/* mdc/mdc_request.c */ +int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid, + struct md_op_data *op_data); + +int mdc_init_ea_size(struct obd_export *exp, int easize, int def_easzie, + int cookiesize); + +int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags, + struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh, + struct ptlrpc_request **); + +struct obd_client_handle; + +int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req, + int offset, struct obd_export *dt_exp, + struct obd_export *lmv_exp, + struct lustre_md *md); + +int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md); + +int mdc_set_open_replay_data(struct obd_export *exp, + struct obd_client_handle *och, + struct ptlrpc_request *open_req); + +int mdc_clear_open_replay_data(struct obd_export *exp, + struct obd_client_handle *och); +void mdc_commit_delayed(struct ptlrpc_request *req); + +int mdc_create(struct obd_export *exp, struct md_op_data *op_data, + const void *data, int datalen, int mode, __u32 uid, __u32 gid, + __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request); +int mdc_link(struct obd_export *exp, struct md_op_data *op_data, + struct ptlrpc_request **request); +int mdc_rename(struct obd_export *exp, struct md_op_data *op_data, + const char *old, int oldlen, const char *new, int newlen, + struct ptlrpc_request **request); +int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data, + void *ea, int ealen, void *ea2, int ea2len, + struct ptlrpc_request **request, struct md_open_data **mod); +int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data, + struct ptlrpc_request **request); +int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid, + ldlm_policy_data_t *policy, ldlm_mode_t mode, + int flags, void *opaque); +ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags, + const struct lu_fid *fid, ldlm_type_t type, + ldlm_policy_data_t *policy, ldlm_mode_t mode, + struct lustre_handle *lockh); +#endif