4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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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,
56 const struct req_msg_field *field, struct obd_capa *oc);
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_swap_layouts_pack(struct ptlrpc_request *req,
61 struct md_op_data *op_data);
62 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
63 const struct lu_fid *fid, struct obd_capa *oc);
64 void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
65 struct md_op_data *data, int ea_size);
66 void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
67 void *ea, int ealen, void *ea2, int ea2len);
68 void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
69 const void *data, int datalen, __u32 mode, __u32 uid,
70 __u32 gid, cfs_cap_t capability, __u64 rdev);
71 void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
72 __u32 mode, __u64 rdev, __u32 flags, const void *data,
74 void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
75 void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
76 void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
77 const char *old, int oldlen, const char *new, int newlen);
78 void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
79 int mdc_enter_request(struct client_obd *cli);
80 void mdc_exit_request(struct client_obd *cli);
83 int mdc_set_lock_data(struct obd_export *exp,
84 __u64 *lockh, void *data, __u64 *bits);
86 int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid);
88 int mdc_find_cbdata(struct obd_export *exp, const struct lu_fid *fid,
89 ldlm_iterator_t it, void *data);
91 int mdc_intent_lock(struct obd_export *exp,
93 void *lmm, int lmmsize,
94 struct lookup_intent *, int,
95 struct ptlrpc_request **reqp,
96 ldlm_blocking_callback cb_blocking,
97 __u64 extra_lock_flags);
98 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
99 struct lookup_intent *it, struct md_op_data *op_data,
100 struct lustre_handle *lockh, void *lmm, int lmmsize,
101 struct ptlrpc_request **req, __u64 extra_lock_flags);
103 int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
104 cfs_list_t *cancels, ldlm_mode_t mode,
106 /* mdc/mdc_request.c */
107 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
108 struct md_op_data *op_data);
110 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
111 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
112 struct ptlrpc_request **);
114 struct obd_client_handle;
116 int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
117 struct obd_export *dt_exp, struct obd_export *lmv_exp,
118 struct lustre_md *md);
120 int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
122 int mdc_set_open_replay_data(struct obd_export *exp,
123 struct obd_client_handle *och,
124 struct ptlrpc_request *open_req);
126 int mdc_clear_open_replay_data(struct obd_export *exp,
127 struct obd_client_handle *och);
128 void mdc_commit_open(struct ptlrpc_request *req);
129 void mdc_replay_open(struct ptlrpc_request *req);
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 cfs_cap_t capability, __u64 rdev,
134 struct ptlrpc_request **request);
135 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
136 struct ptlrpc_request **request);
137 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
138 const char *old, int oldlen, const char *new, int newlen,
139 struct ptlrpc_request **request);
140 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
141 void *ea, int ealen, void *ea2, int ea2len,
142 struct ptlrpc_request **request, struct md_open_data **mod);
143 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
144 struct ptlrpc_request **request);
145 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
146 ldlm_policy_data_t *policy, ldlm_mode_t mode,
147 ldlm_cancel_flags_t flags, void *opaque);
149 static inline void mdc_set_capa_size(struct ptlrpc_request *req,
150 const struct req_msg_field *field,
154 req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0);
156 /* it is already calculated as sizeof struct obd_capa */
160 int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
161 struct lu_fid *fid, __u64 *bits);
163 int mdc_intent_getattr_async(struct obd_export *exp,
164 struct md_enqueue_info *minfo,
165 struct ldlm_enqueue_info *einfo);
167 ldlm_mode_t mdc_lock_match(struct obd_export *exp, __u64 flags,
168 const struct lu_fid *fid, ldlm_type_t type,
169 ldlm_policy_data_t *policy, ldlm_mode_t mode,
170 struct lustre_handle *lockh);
172 static inline int mdc_prep_elc_req(struct obd_export *exp,
173 struct ptlrpc_request *req, int opc,
174 cfs_list_t *cancels, int count)
176 return ldlm_prep_elc_req(exp, req, LUSTRE_MDS_VERSION, opc, 0, cancels,