1/******************************************************************************
2*******************************************************************************
3**
4**  Copyright (C) 2005-2007 Red Hat, Inc.  All rights reserved.
5**
6**  This copyrighted material is made available to anyone wishing to use,
7**  modify, copy, or redistribute it subject to the terms and conditions
8**  of the GNU General Public License v.2.
9**
10*******************************************************************************
11******************************************************************************/
12
13#ifndef __LOCK_DOT_H__
14#define __LOCK_DOT_H__
15
16void dlm_dump_rsb(struct dlm_rsb *r);
17void dlm_print_lkb(struct dlm_lkb *lkb);
18void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms);
19void dlm_receive_buffer(union dlm_packet *p, int nodeid);
20int dlm_modes_compat(int mode1, int mode2);
21void dlm_put_rsb(struct dlm_rsb *r);
22void dlm_hold_rsb(struct dlm_rsb *r);
23int dlm_put_lkb(struct dlm_lkb *lkb);
24void dlm_scan_rsbs(struct dlm_ls *ls);
25int dlm_lock_recovery_try(struct dlm_ls *ls);
26void dlm_unlock_recovery(struct dlm_ls *ls);
27void dlm_scan_timeout(struct dlm_ls *ls);
28void dlm_adjust_timeouts(struct dlm_ls *ls);
29
30int dlm_purge_locks(struct dlm_ls *ls);
31void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
32void dlm_grant_after_purge(struct dlm_ls *ls);
33int dlm_recover_waiters_post(struct dlm_ls *ls);
34void dlm_recover_waiters_pre(struct dlm_ls *ls);
35int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
36int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
37
38int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
39	uint32_t flags, void *name, unsigned int namelen,
40	unsigned long timeout_cs);
41int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
42	int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
43	unsigned long timeout_cs);
44int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
45	uint32_t flags, uint32_t lkid, char *lvb_in);
46int dlm_user_cancel(struct dlm_ls *ls,  struct dlm_user_args *ua_tmp,
47	uint32_t flags, uint32_t lkid);
48int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
49	int nodeid, int pid);
50int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);
51void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
52
53static inline int is_master(struct dlm_rsb *r)
54{
55	return !r->res_nodeid;
56}
57
58static inline void lock_rsb(struct dlm_rsb *r)
59{
60	mutex_lock(&r->res_mutex);
61}
62
63static inline void unlock_rsb(struct dlm_rsb *r)
64{
65	mutex_unlock(&r->res_mutex);
66}
67
68#endif
69