1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * lustre/include/linux/lustre_req_layout.h
5 * Lustre Metadata Target (mdt) request handler
7 * Copyright (c) 2006 Cluster File Systems, Inc.
8 * Author: Nikita Danilov <nikita@clusterfs.com>
10 * This file is part of the Lustre file system, http://www.lustre.org
11 * Lustre is a trademark of Cluster File Systems, Inc.
13 * You may have signed or agreed to another license before downloading
14 * this software. If so, you are bound by the terms and conditions
15 * of that agreement, and the following does not apply to you. See the
16 * LICENSE file included with this distribution for more information.
18 * If you did not agree to a different license, then this copy of Lustre
19 * is open source software; you can redistribute it and/or modify it
20 * under the terms of version 2 of the GNU General Public License as
21 * published by the Free Software Foundation.
23 * In either case, Lustre is distributed in the hope that it will be
24 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
25 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * license text for more details.
29 #ifndef _LUSTRE_REQ_LAYOUT_H__
30 #define _LUSTRE_REQ_LAYOUT_H__
36 struct ptlrpc_request;
45 struct ptlrpc_request *rc_req;
46 const struct req_format *rc_fmt;
48 enum req_location rc_loc;
54 * Maximal number of fields (buffers) in a request message.
59 #if !defined(__REQ_LAYOUT_USER__)
61 /* struct ptlrpc_request, lustre_msg* */
62 #include <lustre_net.h>
64 void req_capsule_init(struct req_capsule *pill, struct ptlrpc_request *req,
65 enum req_location location, int *area);
66 void req_capsule_fini(struct req_capsule *pill);
68 void req_capsule_set(struct req_capsule *pill, const struct req_format *fmt);
69 int req_capsule_pack(struct req_capsule *pill);
71 void *req_capsule_client_get(struct req_capsule *pill,
72 const struct req_msg_field *field);
73 void *req_capsule_server_get(struct req_capsule *pill,
74 const struct req_msg_field *field);
75 const void *req_capsule_other_get(struct req_capsule *pill,
76 const struct req_msg_field *field);
78 void req_capsule_set_size(const struct req_capsule *pill,
79 const struct req_msg_field *field,
80 enum req_location loc, int size);
81 int req_capsule_get_size(const struct req_capsule *pill,
82 const struct req_msg_field *field,
83 enum req_location loc);
84 void req_capsule_extend(struct req_capsule *pill, const struct req_format *fmt);
86 int req_capsule_has_field(const struct req_capsule *pill,
87 const struct req_msg_field *field,
88 enum req_location loc);
89 int req_capsule_field_present(const struct req_capsule *pill,
90 const struct req_msg_field *field,
91 enum req_location loc);
93 int req_layout_init(void);
94 void req_layout_fini(void);
96 /* __REQ_LAYOUT_USER__ */
99 extern const struct req_format RQF_SEQ_QUERY;
100 extern const struct req_format RQF_FLD_QUERY;
101 extern const struct req_format RQF_MDS_GETSTATUS;
102 extern const struct req_format RQF_MDS_STATFS;
103 extern const struct req_format RQF_MDS_SYNC;
104 extern const struct req_format RQF_MDS_GETXATTR;
105 extern const struct req_format RQF_MDS_SETXATTR;
106 extern const struct req_format RQF_MDS_GETATTR;
107 extern const struct req_format RQF_MDS_CLOSE;
108 extern const struct req_format RQF_MDS_PIN;
109 extern const struct req_format RQF_MDS_CONNECT;
110 extern const struct req_format RQF_MDS_DISCONNECT;
111 extern const struct req_format RQF_MDS_READPAGE;
112 extern const struct req_format RQF_MDS_WRITEPAGE;
113 extern const struct req_format RQF_MDS_IS_SUBDIR;
114 extern const struct req_format RQF_MDS_DONE_WRITING;
117 * This is format of direct (non-intent) MDS_GETATTR_NAME request.
119 extern const struct req_format RQF_MDS_GETATTR_NAME;
120 extern const struct req_format RQF_MDS_REINT;
121 extern const struct req_format RQF_MDS_REINT_CREATE;
122 extern const struct req_format RQF_MDS_REINT_CREATE_RMT_ACL;
123 extern const struct req_format RQF_MDS_REINT_CREATE_SLAVE;
124 extern const struct req_format RQF_MDS_REINT_CREATE_SYM;
125 extern const struct req_format RQF_MDS_REINT_OPEN;
126 extern const struct req_format RQF_MDS_REINT_UNLINK;
127 extern const struct req_format RQF_MDS_REINT_LINK;
128 extern const struct req_format RQF_MDS_REINT_RENAME;
129 extern const struct req_format RQF_MDS_REINT_SETATTR;
130 extern const struct req_format RQF_LDLM_ENQUEUE;
131 extern const struct req_format RQF_LDLM_INTENT;
132 extern const struct req_format RQF_LDLM_INTENT_GETATTR;
133 extern const struct req_format RQF_LDLM_INTENT_OPEN;
134 extern const struct req_format RQF_LDLM_INTENT_CREATE;
135 extern const struct req_format RQF_LDLM_INTENT_UNLINK;
137 extern const struct req_msg_field RMF_PTLRPC_BODY;
138 extern const struct req_msg_field RMF_MDT_BODY;
139 extern const struct req_msg_field RMF_MDT_EPOCH;
140 extern const struct req_msg_field RMF_OBD_STATFS;
141 extern const struct req_msg_field RMF_NAME;
142 extern const struct req_msg_field RMF_SYMTGT;
143 extern const struct req_msg_field RMF_TGTUUID;
144 extern const struct req_msg_field RMF_CLUUID;
146 * connection handle received in MDS_CONNECT request.
148 extern const struct req_msg_field RMF_CONN;
149 extern const struct req_msg_field RMF_CONNECT_DATA;
150 extern const struct req_msg_field RMF_DLM_REQ;
151 extern const struct req_msg_field RMF_DLM_REP;
152 extern const struct req_msg_field RMF_LDLM_INTENT;
153 extern const struct req_msg_field RMF_MDT_MD;
154 extern const struct req_msg_field RMF_REC_CREATE;
155 extern const struct req_msg_field RMF_REC_LINK;
156 extern const struct req_msg_field RMF_REC_UNLINK;
157 extern const struct req_msg_field RMF_REC_RENAME;
158 extern const struct req_msg_field RMF_REC_SETATTR;
159 extern const struct req_msg_field RMF_EADATA;
160 extern const struct req_msg_field RMF_ACL;
161 extern const struct req_msg_field RMF_LOGCOOKIES;
162 extern const struct req_msg_field RMF_REINT_OPC;
163 extern const struct req_msg_field RMF_CAPA1;
164 extern const struct req_msg_field RMF_CAPA2;
167 extern const struct req_msg_field RMF_SEQ_OPC;
168 extern const struct req_msg_field RMF_SEQ_RANGE;
171 extern const struct req_msg_field RMF_FLD_OPC;
172 extern const struct req_msg_field RMF_FLD_MDFLD;
174 #endif /* _LUSTRE_REQ_LAYOUT_H__ */