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>
30 void mdc_pack_req_body(struct ptlrpc_request *req, int offset,
31 __u64 valid, const struct lu_fid *fid,
32 struct obd_capa *oc, int ea_size, int flags);
33 void mdc_pack_capa(struct ptlrpc_request *req, int offset, struct obd_capa *oc);
34 void mdc_pack_rep_body(struct ptlrpc_request *);
35 void mdc_is_subdir_pack(struct ptlrpc_request *req, int offset,
36 const struct lu_fid *pfid, const struct lu_fid *cfid,
38 void mdc_readdir_pack(struct ptlrpc_request *req, int pos, __u64 offset,
39 __u32 size, const struct lu_fid *fid,
41 void mdc_getattr_pack(struct ptlrpc_request *req, int offset, __u64 valid,
42 int flags, struct md_op_data *data);
43 void mdc_setattr_pack(struct ptlrpc_request *req, int offset,
44 struct md_op_data *op_data,
45 void *ea, int ealen, void *ea2, int ea2len);
46 void mdc_create_pack(struct ptlrpc_request *req, int offset,
47 struct md_op_data *op_data, const void *data, int datalen,
48 __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective,
50 void mdc_open_pack(struct ptlrpc_request *req, int offset,
51 struct md_op_data *op_data, __u32 mode, __u64 rdev,
52 __u32 flags, const void *data, int datalen);
53 void mdc_join_pack(struct ptlrpc_request *req, int offset,
54 struct md_op_data *op_data, __u64 head_size);
55 void mdc_unlink_pack(struct ptlrpc_request *req, int offset,
56 struct md_op_data *op_data);
57 void mdc_link_pack(struct ptlrpc_request *req, int offset,
58 struct md_op_data *op_data);
59 void mdc_rename_pack(struct ptlrpc_request *req, int offset,
60 struct md_op_data *op_data,
61 const char *old, int oldlen, const char *new, int newlen);
62 void mdc_close_pack(struct ptlrpc_request *req, int offset,
63 struct md_op_data *op_data);
64 void mdc_exit_request(struct client_obd *cli);
65 void mdc_enter_request(struct client_obd *cli);
67 struct mdc_open_data {
68 struct obd_client_handle *mod_och;
69 struct ptlrpc_request *mod_open_req;
70 struct ptlrpc_request *mod_close_req;
73 static inline int client_is_remote(struct obd_export *exp)
75 return class_exp2cliimp(exp)->imp_connect_data.ocd_connect_flags &
76 OBD_CONNECT_RMT_CLIENT ? 1 : 0;
80 extern quota_interface_t *quota_interface;
83 int mdc_set_lock_data(struct obd_export *exp,
84 __u64 *lockh, void *data);
86 int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
87 ldlm_iterator_t it, void *data);
89 int mdc_intent_lock(struct obd_export *exp,
91 void *lmm, int lmmsize,
92 struct lookup_intent *, int,
93 struct ptlrpc_request **reqp,
94 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
95 int mdc_enqueue(struct obd_export *exp,
97 struct lookup_intent *it,
99 struct md_op_data *op_data,
100 struct lustre_handle *lockh,
103 ldlm_completion_callback cb_completion,
104 ldlm_blocking_callback cb_blocking,
105 void *cb_data, int extra_lock_flags);
107 /* mdc/mdc_request.c */
108 int mdc_init_ea_size(struct obd_export *exp, int easize, int def_easzie,
111 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
112 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
113 struct ptlrpc_request **);
115 struct obd_client_handle;
117 int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
118 int offset, struct obd_export *dt_exp,
119 struct obd_export *lmv_exp,
120 struct lustre_md *md);
122 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
124 int mdc_set_open_replay_data(struct obd_export *exp,
125 struct obd_client_handle *och,
126 struct ptlrpc_request *open_req);
128 int mdc_clear_open_replay_data(struct obd_export *exp,
129 struct obd_client_handle *och);
131 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
132 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
133 __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request);
134 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
135 struct ptlrpc_request **request);
136 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
137 const char *old, int oldlen, const char *new, int newlen,
138 struct ptlrpc_request **request);
139 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
140 void *ea, int ealen, void *ea2, int ea2len,
141 struct ptlrpc_request **request);
142 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
143 struct ptlrpc_request **request);
144 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
145 int flags, void *opaque);
146 int mdc_lock_match(struct obd_export *exp, int flags,
147 const struct lu_fid *fid, ldlm_type_t type,
148 ldlm_policy_data_t *policy, ldlm_mode_t mode,
149 struct lustre_handle *lockh);