X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_internal.h;h=f982152c44c68ff7623bb0a570043246d334db53;hp=57e8d5d5f1050eb23429300daaa4543bb61d6484;hb=a25adb47c7b7eeb68a922e2647d74eeff3401c6a;hpb=ac606470fe01743b1af98b29c07cadbd792c9614 diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h index 57e8d5d..f982152 100644 --- a/lustre/mdc/mdc_internal.h +++ b/lustre/mdc/mdc_internal.h @@ -3,75 +3,156 @@ * * Copyright (c) 2003 Cluster File Systems, Inc. * - * This file is part of Lustre, http://www.lustre.org. + * This file is part of the Lustre file system, http://www.lustre.org + * Lustre is a trademark of Cluster File Systems, Inc. * - * Lustre is free 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 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. * - * 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 - * GNU General Public License for more details. + * 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 - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * 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. */ -#ifndef MDC_INTERNAL_H -#define MDC_INTERNAL_H - -void mdc_getattr_pack(struct lustre_msg *msg, int offset, - int valid, int flags, struct mdc_op_data *data); -void mdc_open_pack(struct lustre_msg *msg, int offset, - struct mdc_op_data *op_data, __u32 mode, __u64 rdev, - __u32 flags, const void *lmm, int lmmlen); -void mdc_readdir_pack(struct ptlrpc_request *req, int req_offset, - __u64 offset, __u32 size, struct lustre_id *mdc_id); -void mdc_close_pack(struct ptlrpc_request *req, int offset, struct obdo *oa, - int valid, struct obd_client_handle *och); - -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) -{ - sema_init(&lck->rpcl_sem, 1); - lck->rpcl_it = NULL; -} -static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck, - struct lookup_intent *it) -{ - ENTRY; - down(&lck->rpcl_sem); - if (it) { - lck->rpcl_it = it; - } -} +#ifndef _MDC_INTERNAL_H +#define _MDC_INTERNAL_H + +#include -static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, - struct lookup_intent *it) +void mdc_pack_req_body(struct ptlrpc_request *req, int offset, + __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_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 md_op_data *op_data, + void *ea, int ealen, void *ea2, int ea2len); +void mdc_create_pack(struct ptlrpc_request *req, int offset, + 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 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 md_op_data *op_data, __u64 head_size); +void mdc_unlink_pack(struct ptlrpc_request *req, int offset, + struct md_op_data *op_data); +void mdc_link_pack(struct ptlrpc_request *req, int offset, + struct md_op_data *op_data); +void mdc_rename_pack(struct ptlrpc_request *req, int offset, + 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 md_op_data *op_data); +void mdc_exit_request(struct client_obd *cli); +void mdc_enter_request(struct client_obd *cli); + +static inline int client_is_remote(struct obd_export *exp) { - EXIT; - if (it == NULL) { - LASSERT(it == lck->rpcl_it); - up(&lck->rpcl_sem); - return; - } - if (it) { - LASSERT(it == lck->rpcl_it); - lck->rpcl_it = NULL; - up(&lck->rpcl_sem); + struct obd_import *imp = class_exp2cliimp(exp); + + 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; } } -#endif /* MDC_INTERNAL_H */ +/* Quota stuff */ +extern quota_interface_t *quota_interface; + +/* 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