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d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
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, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
6a5b99a4 | 18 | * http://www.gnu.org/licenses/gpl-2.0.html |
d7e09d03 | 19 | * |
d7e09d03 PT |
20 | * GPL HEADER END |
21 | */ | |
22 | /* | |
23 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | |
24 | * Use is subject to license terms. | |
25 | * | |
1dc563a6 | 26 | * Copyright (c) 2011, 2015 Intel Corporation. |
d7e09d03 PT |
27 | */ |
28 | /* | |
29 | * This file is part of Lustre, http://www.lustre.org/ | |
30 | * Lustre is a trademark of Sun Microsystems, Inc. | |
31 | */ | |
32 | ||
33 | #ifndef _MDC_INTERNAL_H | |
34 | #define _MDC_INTERNAL_H | |
35 | ||
05932307 | 36 | #include "../include/lustre_mdc.h" |
d7e09d03 | 37 | |
d7e09d03 | 38 | void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars); |
d7e09d03 PT |
39 | |
40 | void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid, | |
ef2e0f55 | 41 | __u64 valid, int ea_size, __u32 suppgid, int flags); |
d7e09d03 PT |
42 | void mdc_swap_layouts_pack(struct ptlrpc_request *req, |
43 | struct md_op_data *op_data); | |
44 | void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size, | |
ef2e0f55 | 45 | const struct lu_fid *fid); |
d7e09d03 PT |
46 | void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags, |
47 | struct md_op_data *data, int ea_size); | |
48 | void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
22e0bc6a | 49 | void *ea, int ealen, void *ea2, int ea2len); |
d7e09d03 PT |
50 | void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data, |
51 | const void *data, int datalen, __u32 mode, __u32 uid, | |
52 | __u32 gid, cfs_cap_t capability, __u64 rdev); | |
53 | void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
d3a8a4e2 | 54 | __u32 mode, __u64 rdev, __u64 flags, const void *data, |
d7e09d03 PT |
55 | int datalen); |
56 | void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data); | |
57 | void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data); | |
58 | void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data, | |
59 | const char *old, int oldlen, const char *new, int newlen); | |
60 | void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data); | |
d7e09d03 PT |
61 | |
62 | /* mdc/mdc_locks.c */ | |
63 | int mdc_set_lock_data(struct obd_export *exp, | |
bc30c172 JH |
64 | const struct lustre_handle *lockh, |
65 | void *data, __u64 *bits); | |
d7e09d03 PT |
66 | |
67 | int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid); | |
68 | ||
d7e09d03 | 69 | int mdc_intent_lock(struct obd_export *exp, |
70a251f6 JH |
70 | struct md_op_data *op_data, |
71 | struct lookup_intent *it, | |
d7e09d03 PT |
72 | struct ptlrpc_request **reqp, |
73 | ldlm_blocking_callback cb_blocking, | |
74 | __u64 extra_lock_flags); | |
70a251f6 | 75 | |
d7e09d03 | 76 | int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, |
70a251f6 | 77 | const ldlm_policy_data_t *policy, |
d7e09d03 | 78 | struct lookup_intent *it, struct md_op_data *op_data, |
70a251f6 | 79 | struct lustre_handle *lockh, __u64 extra_lock_flags); |
d7e09d03 | 80 | |
e93a3082 | 81 | int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid, |
52ee0d20 | 82 | struct list_head *cancels, enum ldlm_mode mode, |
d7e09d03 PT |
83 | __u64 bits); |
84 | /* mdc/mdc_request.c */ | |
8f18c8a4 | 85 | int mdc_fid_alloc(const struct lu_env *env, struct obd_export *exp, |
86 | struct lu_fid *fid, struct md_op_data *op_data); | |
d7e09d03 PT |
87 | struct obd_client_handle; |
88 | ||
d7e09d03 PT |
89 | int mdc_set_open_replay_data(struct obd_export *exp, |
90 | struct obd_client_handle *och, | |
63d42578 | 91 | struct lookup_intent *it); |
d7e09d03 | 92 | |
d7e09d03 PT |
93 | void mdc_commit_open(struct ptlrpc_request *req); |
94 | void mdc_replay_open(struct ptlrpc_request *req); | |
95 | ||
96 | int mdc_create(struct obd_export *exp, struct md_op_data *op_data, | |
97 | const void *data, int datalen, int mode, __u32 uid, __u32 gid, | |
98 | cfs_cap_t capability, __u64 rdev, | |
99 | struct ptlrpc_request **request); | |
100 | int mdc_link(struct obd_export *exp, struct md_op_data *op_data, | |
101 | struct ptlrpc_request **request); | |
102 | int mdc_rename(struct obd_export *exp, struct md_op_data *op_data, | |
103 | const char *old, int oldlen, const char *new, int newlen, | |
104 | struct ptlrpc_request **request); | |
105 | int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data, | |
106 | void *ea, int ealen, void *ea2, int ea2len, | |
107 | struct ptlrpc_request **request, struct md_open_data **mod); | |
108 | int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data, | |
109 | struct ptlrpc_request **request); | |
110 | int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid, | |
52ee0d20 | 111 | ldlm_policy_data_t *policy, enum ldlm_mode mode, |
f833ee42 | 112 | enum ldlm_cancel_flags flags, void *opaque); |
d7e09d03 | 113 | |
d7e09d03 PT |
114 | int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it, |
115 | struct lu_fid *fid, __u64 *bits); | |
116 | ||
117 | int mdc_intent_getattr_async(struct obd_export *exp, | |
118 | struct md_enqueue_info *minfo, | |
119 | struct ldlm_enqueue_info *einfo); | |
120 | ||
52ee0d20 OD |
121 | enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags, |
122 | const struct lu_fid *fid, enum ldlm_type type, | |
123 | ldlm_policy_data_t *policy, enum ldlm_mode mode, | |
124 | struct lustre_handle *lockh); | |
d7e09d03 PT |
125 | |
126 | static inline int mdc_prep_elc_req(struct obd_export *exp, | |
127 | struct ptlrpc_request *req, int opc, | |
128 | struct list_head *cancels, int count) | |
129 | { | |
130 | return ldlm_prep_elc_req(exp, req, LUSTRE_MDS_VERSION, opc, 0, cancels, | |
131 | count); | |
132 | } | |
133 | ||
4f76f0ec | 134 | static inline unsigned long hash_x_index(__u64 hash, int hash64) |
135 | { | |
136 | if (BITS_PER_LONG == 32 && hash64) | |
137 | hash >>= 32; | |
138 | /* save hash 0 with hash 1 */ | |
139 | return ~0UL - (hash + !hash); | |
140 | } | |
141 | ||
d7e09d03 | 142 | #endif |