Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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_waiters(struct dlm_ls *ls);
28void dlm_scan_timeout(struct dlm_ls *ls);
29void dlm_adjust_timeouts(struct dlm_ls *ls);
30
31int dlm_purge_locks(struct dlm_ls *ls);
32void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
33void dlm_grant_after_purge(struct dlm_ls *ls);
34int dlm_recover_waiters_post(struct dlm_ls *ls);
35void dlm_recover_waiters_pre(struct dlm_ls *ls);
36int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
37int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
38
39int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
40 uint32_t flags, void *name, unsigned int namelen,
41 unsigned long timeout_cs);
42int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
43 int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
44 unsigned long timeout_cs);
45int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
46 uint32_t flags, uint32_t lkid, char *lvb_in);
47int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
48 uint32_t flags, uint32_t lkid);
49int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
50 int nodeid, int pid);
51int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);
52void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
53
54static inline int is_master(struct dlm_rsb *r)
55{
56 return !r->res_nodeid;
57}
58
59static inline void lock_rsb(struct dlm_rsb *r)
60{
61 mutex_lock(&r->res_mutex);
62}
63
64static inline void unlock_rsb(struct dlm_rsb *r)
65{
66 mutex_unlock(&r->res_mutex);
67}
68
69#endif
70