1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2003 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef MDC_INTERNAL_H
22 #define MDC_INTERNAL_H
24 void mdc_getattr_pack(struct lustre_msg *msg, int offset,
25 __u64 valid, int flags, struct mdc_op_data *data);
26 void mdc_open_pack(struct lustre_msg *msg, int offset,
27 struct mdc_op_data *op_data, __u32 mode, __u64 rdev,
28 __u32 flags, const void *lmm, int lmmlen);
29 void mdc_readdir_pack(struct ptlrpc_request *req, int req_offset,
30 __u64 offset, __u32 size, struct lustre_id *mdc_id);
31 void mdc_close_pack(struct ptlrpc_request *req, int offset, struct obdo *oa,
32 __u64 valid, struct obd_client_handle *och);
34 struct mdc_open_data {
35 struct obd_client_handle *mod_och;
36 struct ptlrpc_request *mod_open_req;
37 struct ptlrpc_request *mod_close_req;
41 struct semaphore rpcl_sem;
42 struct lookup_intent *rpcl_it;
45 static inline void mdc_init_rpc_lock(struct mdc_rpc_lock *lck)
47 sema_init(&lck->rpcl_sem, 1);
51 static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck,
52 struct lookup_intent *it)
61 static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck,
62 struct lookup_intent *it)
66 LASSERT(it == lck->rpcl_it);
71 LASSERT(it == lck->rpcl_it);
77 #endif /* MDC_INTERNAL_H */