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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/
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37 #ifndef _MDC_INTERNAL_H
38 #define _MDC_INTERNAL_H
40 #include "../include/lustre_mdc.h"
41 #include "../include/lustre_mds.h"
43 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars);
45 void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
46 __u64 valid, int ea_size, __u32 suppgid, int flags);
47 void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid,
48 const struct lu_fid *cfid, int flags);
49 void mdc_swap_layouts_pack(struct ptlrpc_request *req,
50 struct md_op_data *op_data);
51 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size,
52 const struct lu_fid *fid);
53 void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags,
54 struct md_op_data *data, int ea_size);
55 void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
56 void *ea, int ealen, void *ea2, int ea2len);
57 void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
58 const void *data, int datalen, __u32 mode, __u32 uid,
59 __u32 gid, cfs_cap_t capability, __u64 rdev);
60 void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
61 __u32 mode, __u64 rdev, __u64 flags, const void *data,
63 void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
64 void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
65 void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
66 const char *old, int oldlen, const char *new, int newlen);
67 void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
68 int mdc_enter_request(struct client_obd *cli);
69 void mdc_exit_request(struct client_obd *cli);
72 int mdc_set_lock_data(struct obd_export *exp,
73 __u64 *lockh, void *data, __u64 *bits);
75 int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid);
77 int mdc_find_cbdata(struct obd_export *exp, const struct lu_fid *fid,
78 ldlm_iterator_t it, void *data);
80 int mdc_intent_lock(struct obd_export *exp,
82 void *lmm, int lmmsize,
83 struct lookup_intent *, int,
84 struct ptlrpc_request **reqp,
85 ldlm_blocking_callback cb_blocking,
86 __u64 extra_lock_flags);
87 int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
88 struct lookup_intent *it, struct md_op_data *op_data,
89 struct lustre_handle *lockh, void *lmm, int lmmsize,
90 struct ptlrpc_request **req, __u64 extra_lock_flags);
92 int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
93 struct list_head *cancels, enum ldlm_mode mode,
95 /* mdc/mdc_request.c */
96 int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
97 struct md_op_data *op_data);
98 struct obd_client_handle;
100 int mdc_set_open_replay_data(struct obd_export *exp,
101 struct obd_client_handle *och,
102 struct lookup_intent *it);
104 void mdc_commit_open(struct ptlrpc_request *req);
105 void mdc_replay_open(struct ptlrpc_request *req);
107 int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
108 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
109 cfs_cap_t capability, __u64 rdev,
110 struct ptlrpc_request **request);
111 int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
112 struct ptlrpc_request **request);
113 int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
114 const char *old, int oldlen, const char *new, int newlen,
115 struct ptlrpc_request **request);
116 int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
117 void *ea, int ealen, void *ea2, int ea2len,
118 struct ptlrpc_request **request, struct md_open_data **mod);
119 int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
120 struct ptlrpc_request **request);
121 int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
122 ldlm_policy_data_t *policy, enum ldlm_mode mode,
123 enum ldlm_cancel_flags flags, void *opaque);
125 int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
126 struct lu_fid *fid, __u64 *bits);
128 int mdc_intent_getattr_async(struct obd_export *exp,
129 struct md_enqueue_info *minfo,
130 struct ldlm_enqueue_info *einfo);
132 enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags,
133 const struct lu_fid *fid, enum ldlm_type type,
134 ldlm_policy_data_t *policy, enum ldlm_mode mode,
135 struct lustre_handle *lockh);
137 static inline int mdc_prep_elc_req(struct obd_export *exp,
138 struct ptlrpc_request *req, int opc,
139 struct list_head *cancels, int count)
141 return ldlm_prep_elc_req(exp, req, LUSTRE_MDS_VERSION, opc, 0, cancels,