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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
32 * Copyright (c) 2011 Whamcloud, Inc.
36 * This file is part of Lustre, http://www.lustre.org/
37 * Lustre is a trademark of Sun Microsystems, Inc.
40 #ifndef _MDC_INTERNAL_H
41 #define _MDC_INTERNAL_H
43 #include <lustre_mdc.h>
44 #include <lustre_mds.h>
47 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars);
49 static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
51 memset(lvars, 0, sizeof(*lvars));
55 void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
56 struct obd_capa *oc, __u64 valid, int ea_size,
57 __u32 suppgid, int flags);
58 void mdc_pack_capa(struct ptlrpc_request *req, const struct req_msg_field *field,
60 int mdc_pack_req(struct ptlrpc_request *req, int version, int opc);
61 void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid,
62 const struct lu_fid *cfid, int flags);
63 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
64 const struct lu_fid *fid, struct obd_capa *oc);
65 void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
66 struct md_op_data *data, int ea_size);
67 void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
68 void *ea, int ealen, void *ea2, int ea2len);
69 void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
70 const void *data, int datalen, __u32 mode, __u32 uid,
71 __u32 gid, cfs_cap_t capability, __u64 rdev);
72 void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
73 __u32 mode, __u64 rdev, __u32 flags, const void *data,
75 void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
76 void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
77 void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
78 const char *old, int oldlen, const char *new, int newlen);
79 void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
80 int mdc_enter_request(struct client_obd *cli);
81 void mdc_exit_request(struct client_obd *cli);
84 int mdc_set_lock_data(struct obd_export *exp,
85 __u64 *lockh, void *data, __u64 *bits);
87 int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
88 ldlm_iterator_t it, void *data);
90 int mdc_find_cbdata(struct obd_export *exp, const struct lu_fid *fid,
91 ldlm_iterator_t it, void *data);
93 int mdc_intent_lock(struct obd_export *exp,
95 void *lmm, int lmmsize,
96 struct lookup_intent *, int,
97 struct ptlrpc_request **reqp,
98 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
99 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
100 struct lookup_intent *it, struct md_op_data *op_data,
101 struct lustre_handle *lockh, void *lmm, int lmmsize,
102 struct ptlrpc_request **req, int extra_lock_flags);
104 int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
105 cfs_list_t *cancels, ldlm_mode_t mode,
107 /* mdc/mdc_request.c */
108 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
109 struct md_op_data *op_data);
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 struct obd_export *dt_exp, struct obd_export *lmv_exp,
119 struct lustre_md *md);
121 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
123 int mdc_set_open_replay_data(struct obd_export *exp,
124 struct obd_client_handle *och,
125 struct ptlrpc_request *open_req);
127 int mdc_clear_open_replay_data(struct obd_export *exp,
128 struct obd_client_handle *och);
129 void mdc_commit_open(struct ptlrpc_request *req);
130 void mdc_replay_open(struct ptlrpc_request *req);
132 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
133 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
134 cfs_cap_t capability, __u64 rdev,
135 struct ptlrpc_request **request);
136 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
137 struct ptlrpc_request **request);
138 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
139 const char *old, int oldlen, const char *new, int newlen,
140 struct ptlrpc_request **request);
141 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
142 void *ea, int ealen, void *ea2, int ea2len,
143 struct ptlrpc_request **request, struct md_open_data **mod);
144 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
145 struct ptlrpc_request **request);
146 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
147 ldlm_policy_data_t *policy, ldlm_mode_t mode,
148 ldlm_cancel_flags_t flags, void *opaque);
150 static inline void mdc_set_capa_size(struct ptlrpc_request *req,
151 const struct req_msg_field *field,
155 req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
157 /* it is already calculated as sizeof struct obd_capa */
161 int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
164 int mdc_intent_getattr_async(struct obd_export *exp,
165 struct md_enqueue_info *minfo,
166 struct ldlm_enqueue_info *einfo);
168 ldlm_mode_t mdc_lock_match(struct obd_export *exp, int flags,
169 const struct lu_fid *fid, ldlm_type_t type,
170 ldlm_policy_data_t *policy, ldlm_mode_t mode,
171 struct lustre_handle *lockh);