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));
38 void mdc_pack_req_body(struct ptlrpc_request *req, int offset,
39 __u64 valid, const struct lu_fid *fid,
40 struct obd_capa *oc, int ea_size, int flags);
41 void mdc_pack_capa(struct ptlrpc_request *req, int offset, struct obd_capa *oc);
42 void mdc_pack_rep_body(struct ptlrpc_request *);
43 void mdc_is_subdir_pack(struct ptlrpc_request *req, int offset,
44 const struct lu_fid *pfid, const struct lu_fid *cfid,
46 void mdc_readdir_pack(struct ptlrpc_request *req, int pos, __u64 offset,
47 __u32 size, const struct lu_fid *fid,
49 void mdc_getattr_pack(struct ptlrpc_request *req, int offset, __u64 valid,
50 int flags, struct md_op_data *data);
51 void mdc_setattr_pack(struct ptlrpc_request *req, int offset,
52 struct md_op_data *op_data,
53 void *ea, int ealen, void *ea2, int ea2len);
54 void mdc_create_pack(struct ptlrpc_request *req, int offset,
55 struct md_op_data *op_data, const void *data, int datalen,
56 __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective,
58 void mdc_open_pack(struct ptlrpc_request *req, int offset,
59 struct md_op_data *op_data, __u32 mode, __u64 rdev,
60 __u32 flags, const void *data, int datalen);
61 void mdc_join_pack(struct ptlrpc_request *req, int offset,
62 struct md_op_data *op_data, __u64 head_size);
63 void mdc_unlink_pack(struct ptlrpc_request *req, int offset,
64 struct md_op_data *op_data);
65 void mdc_link_pack(struct ptlrpc_request *req, int offset,
66 struct md_op_data *op_data);
67 void mdc_rename_pack(struct ptlrpc_request *req, int offset,
68 struct md_op_data *op_data,
69 const char *old, int oldlen, const char *new, int newlen);
70 void mdc_close_pack(struct ptlrpc_request *req, int offset,
71 struct md_op_data *op_data);
72 void mdc_exit_request(struct client_obd *cli);
73 void mdc_enter_request(struct client_obd *cli);
75 static inline int client_is_remote(struct obd_export *exp)
77 struct obd_import *imp = class_exp2cliimp(exp);
79 if (imp->imp_connect_flags_orig & OBD_CONNECT_RMT_CLIENT) {
80 if (!(imp->imp_connect_data.ocd_connect_flags &
81 OBD_CONNECT_RMT_CLIENT))
86 if (!(imp->imp_connect_data.ocd_connect_flags &
87 OBD_CONNECT_LCL_CLIENT))
95 int mdc_set_lock_data(struct obd_export *exp,
96 __u64 *lockh, void *data);
98 int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
99 ldlm_iterator_t it, void *data);
101 int mdc_intent_lock(struct obd_export *exp,
103 void *lmm, int lmmsize,
104 struct lookup_intent *, int,
105 struct ptlrpc_request **reqp,
106 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
107 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
108 struct lookup_intent *it, struct md_op_data *op_data,
109 struct lustre_handle *lockh, void *lmm, int lmmlen,
110 int extra_lock_flags);
112 int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
113 struct list_head *cancels, ldlm_mode_t mode,
115 /* mdc/mdc_request.c */
116 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
117 struct md_op_data *op_data);
119 int mdc_init_ea_size(struct obd_export *exp, int easize, int def_easzie,
122 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
123 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
124 struct ptlrpc_request **);
126 struct obd_client_handle;
128 int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
129 int offset, struct obd_export *dt_exp,
130 struct obd_export *lmv_exp,
131 struct lustre_md *md);
133 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
135 int mdc_set_open_replay_data(struct obd_export *exp,
136 struct obd_client_handle *och,
137 struct ptlrpc_request *open_req);
139 int mdc_clear_open_replay_data(struct obd_export *exp,
140 struct obd_client_handle *och);
141 void mdc_commit_delayed(struct ptlrpc_request *req);
143 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
144 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
145 __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request);
146 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
147 struct ptlrpc_request **request);
148 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
149 const char *old, int oldlen, const char *new, int newlen,
150 struct ptlrpc_request **request);
151 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
152 void *ea, int ealen, void *ea2, int ea2len,
153 struct ptlrpc_request **request, struct md_open_data **mod);
154 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
155 struct ptlrpc_request **request);
156 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
157 ldlm_policy_data_t *policy, ldlm_mode_t mode,
158 int flags, void *opaque);
159 ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags,
160 const struct lu_fid *fid, ldlm_type_t type,
161 ldlm_policy_data_t *policy, ldlm_mode_t mode,
162 struct lustre_handle *lockh);