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

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/******************************************************************************
 3*******************************************************************************
 4**
 5**  Copyright (C) 2005-2007 Red Hat, Inc.  All rights reserved.
 6**
 
 
 
 7**
 8*******************************************************************************
 9******************************************************************************/
10
11#ifndef __LOCK_DOT_H__
12#define __LOCK_DOT_H__
13
14void dlm_dump_rsb(struct dlm_rsb *r);
15void dlm_dump_rsb_name(struct dlm_ls *ls, char *name, int len);
16void dlm_print_lkb(struct dlm_lkb *lkb);
17void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms,
18			       uint32_t saved_seq);
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);
27
28#ifdef CONFIG_DLM_DEPRECATED_API
29void dlm_scan_timeout(struct dlm_ls *ls);
30void dlm_adjust_timeouts(struct dlm_ls *ls);
31#else
32static inline void dlm_scan_timeout(struct dlm_ls *ls) { }
33static inline void dlm_adjust_timeouts(struct dlm_ls *ls) { }
34#endif
35
36int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len,
37		      unsigned int flags, int *r_nodeid, int *result);
38
39int dlm_search_rsb_tree(struct rb_root *tree, const void *name, int len,
40			struct dlm_rsb **r_ret);
41
42void dlm_recover_purge(struct dlm_ls *ls);
43void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
44void dlm_recover_grant(struct dlm_ls *ls);
45int dlm_recover_waiters_post(struct dlm_ls *ls);
46void dlm_recover_waiters_pre(struct dlm_ls *ls);
47int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
48int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
49
50#ifdef CONFIG_DLM_DEPRECATED_API
51int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
52	uint32_t flags, void *name, unsigned int namelen,
53	unsigned long timeout_cs);
54int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
55	int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
56	unsigned long timeout_cs);
57#else
58int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
59	uint32_t flags, void *name, unsigned int namelen);
60int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
61	int mode, uint32_t flags, uint32_t lkid, char *lvb_in);
62#endif
63int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
64	int mode, uint32_t flags, void *name, unsigned int namelen,
65	uint32_t *lkid);
66int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
67	uint32_t flags, uint32_t lkid, char *lvb_in);
68int dlm_user_cancel(struct dlm_ls *ls,  struct dlm_user_args *ua_tmp,
69	uint32_t flags, uint32_t lkid);
70int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
71	int nodeid, int pid);
72int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);
73void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
74int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len,
75		      int lkb_nodeid, unsigned int lkb_flags, int lkb_status);
76int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id,
77				 int mstype, int to_nodeid);
78
79static inline int is_master(struct dlm_rsb *r)
80{
81	return !r->res_nodeid;
82}
83
84static inline void lock_rsb(struct dlm_rsb *r)
85{
86	mutex_lock(&r->res_mutex);
87}
88
89static inline void unlock_rsb(struct dlm_rsb *r)
90{
91	mutex_unlock(&r->res_mutex);
92}
93
94#endif
95