1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2003 Cluster File Systems, Inc.
6 * This file is part of the Lustre file system, http://www.lustre.org
7 * Lustre is a trademark of Cluster File Systems, Inc.
9 * You may have signed or agreed to another license before downloading
10 * this software. If so, you are bound by the terms and conditions
11 * of that agreement, and the following does not apply to you. See the
12 * LICENSE file included with this distribution for more information.
14 * If you did not agree to a different license, then this copy of Lustre
15 * is open source software; you can redistribute it and/or modify it
16 * under the terms of version 2 of the GNU General Public License as
17 * published by the Free Software Foundation.
19 * In either case, Lustre is distributed in the hope that it will be
20 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
21 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * license text for more details.
25 #ifndef _MDC_INTERNAL_H
26 #define _MDC_INTERNAL_H
28 #include <lustre_mdc.h>
31 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars);
33 static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
35 memset(lvars, 0, sizeof(*lvars));
39 void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
40 struct obd_capa *oc, __u64 valid, int ea_size,
41 __u32 suppgid, int flags);
42 void mdc_pack_capa(struct ptlrpc_request *req, const struct req_msg_field *field,
44 int mdc_pack_req(struct ptlrpc_request *req, int version, int opc);
45 void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid,
46 const struct lu_fid *cfid, int flags);
47 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
48 const struct lu_fid *fid, struct obd_capa *oc);
49 void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
50 struct md_op_data *data);
51 void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
52 void *ea, int ealen, void *ea2, int ea2len);
53 void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
54 const void *data, int datalen, __u32 mode, __u32 uid,
55 __u32 gid, __u32 cap_effective, __u64 rdev);
56 void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
57 __u32 mode, __u64 rdev, __u32 flags, const void *data,
59 void mdc_join_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
61 void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
62 void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
63 void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
64 const char *old, int oldlen, const char *new, int newlen);
65 void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
66 void mdc_enter_request(struct client_obd *cli);
67 void mdc_exit_request(struct client_obd *cli);
69 static inline int client_is_remote(struct obd_export *exp)
71 struct obd_import *imp = class_exp2cliimp(exp);
73 if (imp->imp_connect_flags_orig & OBD_CONNECT_RMT_CLIENT) {
74 if (!(imp->imp_connect_data.ocd_connect_flags &
75 OBD_CONNECT_RMT_CLIENT))
80 if (!(imp->imp_connect_data.ocd_connect_flags &
81 OBD_CONNECT_LCL_CLIENT))
89 int mdc_set_lock_data(struct obd_export *exp,
90 __u64 *lockh, void *data);
92 int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
93 ldlm_iterator_t it, void *data);
95 int mdc_intent_lock(struct obd_export *exp,
97 void *lmm, int lmmsize,
98 struct lookup_intent *, int,
99 struct ptlrpc_request **reqp,
100 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
101 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
102 struct lookup_intent *it, struct md_op_data *op_data,
103 struct lustre_handle *lockh, void *lmm, int lmmlen,
104 int extra_lock_flags);
106 int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
107 struct list_head *cancels, ldlm_mode_t mode,
109 /* mdc/mdc_request.c */
110 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
111 struct md_op_data *op_data);
113 int mdc_init_ea_size(struct obd_export *exp, int easize, int def_easzie,
116 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
117 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
118 struct ptlrpc_request **);
120 struct obd_client_handle;
122 int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
123 struct obd_export *dt_exp, struct obd_export *lmv_exp,
124 struct lustre_md *md);
126 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
128 int mdc_set_open_replay_data(struct obd_export *exp,
129 struct obd_client_handle *och,
130 struct ptlrpc_request *open_req);
132 int mdc_clear_open_replay_data(struct obd_export *exp,
133 struct obd_client_handle *och);
134 void mdc_commit_delayed(struct ptlrpc_request *req);
136 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
137 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
138 __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request);
139 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
140 struct ptlrpc_request **request);
141 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
142 const char *old, int oldlen, const char *new, int newlen,
143 struct ptlrpc_request **request);
144 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
145 void *ea, int ealen, void *ea2, int ea2len,
146 struct ptlrpc_request **request, struct md_open_data **mod);
147 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
148 struct ptlrpc_request **request);
149 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
150 ldlm_policy_data_t *policy, ldlm_mode_t mode,
151 int flags, void *opaque);
153 static inline void mdc_set_capa_size(struct ptlrpc_request *req,
154 const struct req_msg_field *field,
158 req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
160 /* it is already calculated as sizeof struct obd_capa */
164 ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags,
165 const struct lu_fid *fid, ldlm_type_t type,
166 ldlm_policy_data_t *policy, ldlm_mode_t mode,
167 struct lustre_handle *lockh);