1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef _MDC_INTERNAL_H
38 #define _MDC_INTERNAL_H
40 #include <lustre_mdc.h>
41 #include <lustre_mds.h>
44 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars);
46 static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
48 memset(lvars, 0, sizeof(*lvars));
52 void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
53 struct obd_capa *oc, __u64 valid, int ea_size,
54 __u32 suppgid, int flags);
55 void mdc_pack_capa(struct ptlrpc_request *req, const struct req_msg_field *field,
57 int mdc_pack_req(struct ptlrpc_request *req, int version, int opc);
58 void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid,
59 const struct lu_fid *cfid, int flags);
60 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
61 const struct lu_fid *fid, struct obd_capa *oc);
62 void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
63 struct md_op_data *data);
64 void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
65 void *ea, int ealen, void *ea2, int ea2len);
66 void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
67 const void *data, int datalen, __u32 mode, __u32 uid,
68 __u32 gid, cfs_cap_t capability, __u64 rdev);
69 void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
70 __u32 mode, __u64 rdev, __u32 flags, const void *data,
72 void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
73 void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
74 void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
75 const char *old, int oldlen, const char *new, int newlen);
76 void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
77 void mdc_enter_request(struct client_obd *cli);
78 void mdc_exit_request(struct client_obd *cli);
81 int mdc_set_lock_data(struct obd_export *exp,
82 __u64 *lockh, void *data, __u32 *bits);
84 int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
85 ldlm_iterator_t it, void *data);
87 int mdc_intent_lock(struct obd_export *exp,
89 void *lmm, int lmmsize,
90 struct lookup_intent *, int,
91 struct ptlrpc_request **reqp,
92 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
93 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
94 struct lookup_intent *it, struct md_op_data *op_data,
95 struct lustre_handle *lockh, void *lmm, int lmmsize,
96 struct ptlrpc_request **req, int extra_lock_flags);
98 int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
99 struct list_head *cancels, ldlm_mode_t mode,
101 /* mdc/mdc_request.c */
102 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
103 struct md_op_data *op_data);
105 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
106 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
107 struct ptlrpc_request **);
109 struct obd_client_handle;
111 int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
112 struct obd_export *dt_exp, struct obd_export *lmv_exp,
113 struct lustre_md *md);
115 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
117 int mdc_set_open_replay_data(struct obd_export *exp,
118 struct obd_client_handle *och,
119 struct ptlrpc_request *open_req);
121 int mdc_clear_open_replay_data(struct obd_export *exp,
122 struct obd_client_handle *och);
123 void mdc_commit_open(struct ptlrpc_request *req);
124 void mdc_replay_open(struct ptlrpc_request *req);
126 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
127 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
128 cfs_cap_t capability, __u64 rdev,
129 struct ptlrpc_request **request);
130 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
131 struct ptlrpc_request **request);
132 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
133 const char *old, int oldlen, const char *new, int newlen,
134 struct ptlrpc_request **request);
135 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
136 void *ea, int ealen, void *ea2, int ea2len,
137 struct ptlrpc_request **request, struct md_open_data **mod);
138 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
139 struct ptlrpc_request **request);
140 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
141 ldlm_policy_data_t *policy, ldlm_mode_t mode,
142 int flags, void *opaque);
144 static inline void mdc_set_capa_size(struct ptlrpc_request *req,
145 const struct req_msg_field *field,
149 req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
151 /* it is already calculated as sizeof struct obd_capa */
155 int mdc_revalidate_lock(struct obd_export *exp,
156 struct lookup_intent *it,
159 int mdc_intent_getattr_async(struct obd_export *exp,
160 struct md_enqueue_info *minfo,
161 struct ldlm_enqueue_info *einfo);
163 ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags,
164 const struct lu_fid *fid, ldlm_type_t type,
165 ldlm_policy_data_t *policy, ldlm_mode_t mode,
166 struct lustre_handle *lockh);