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 | |
14 | void dlm_dump_rsb(struct dlm_rsb *r); |
15 | void dlm_dump_rsb_name(struct dlm_ls *ls, const char *name, int len); |
16 | void dlm_print_lkb(struct dlm_lkb *lkb); |
17 | void dlm_receive_message_saved(struct dlm_ls *ls, const struct dlm_message *ms, |
18 | uint32_t saved_seq); |
19 | void dlm_receive_buffer(const union dlm_packet *p, int nodeid); |
20 | int dlm_modes_compat(int mode1, int mode2); |
21 | void dlm_put_rsb(struct dlm_rsb *r); |
22 | void dlm_hold_rsb(struct dlm_rsb *r); |
23 | int dlm_put_lkb(struct dlm_lkb *lkb); |
24 | void dlm_scan_rsbs(struct dlm_ls *ls); |
25 | int dlm_lock_recovery_try(struct dlm_ls *ls); |
26 | void dlm_unlock_recovery(struct dlm_ls *ls); |
27 | |
28 | int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, const char *name, |
29 | int len, unsigned int flags, int *r_nodeid, int *result); |
30 | |
31 | int dlm_search_rsb_tree(struct rb_root *tree, const void *name, int len, |
32 | struct dlm_rsb **r_ret); |
33 | |
34 | void dlm_recover_purge(struct dlm_ls *ls); |
35 | void dlm_purge_mstcpy_locks(struct dlm_rsb *r); |
36 | void dlm_recover_grant(struct dlm_ls *ls); |
37 | int dlm_recover_waiters_post(struct dlm_ls *ls); |
38 | void dlm_recover_waiters_pre(struct dlm_ls *ls); |
39 | int dlm_recover_master_copy(struct dlm_ls *ls, const struct dlm_rcom *rc, |
40 | __le32 *rl_remid, __le32 *rl_result); |
41 | int dlm_recover_process_copy(struct dlm_ls *ls, const struct dlm_rcom *rc, |
42 | uint64_t seq); |
43 | |
44 | int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, |
45 | uint32_t flags, void *name, unsigned int namelen); |
46 | int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
47 | int mode, uint32_t flags, uint32_t lkid, char *lvb_in); |
48 | int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
49 | int mode, uint32_t flags, void *name, unsigned int namelen, |
50 | uint32_t *lkid); |
51 | int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
52 | uint32_t flags, uint32_t lkid, char *lvb_in); |
53 | int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
54 | uint32_t flags, uint32_t lkid); |
55 | int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, |
56 | int nodeid, int pid); |
57 | int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); |
58 | void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); |
59 | int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len, |
60 | int lkb_nodeid, unsigned int lkb_flags, int lkb_status); |
61 | int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id, |
62 | int mstype, int to_nodeid); |
63 | |
64 | static inline int is_master(struct dlm_rsb *r) |
65 | { |
66 | return !r->res_nodeid; |
67 | } |
68 | |
69 | static inline void lock_rsb(struct dlm_rsb *r) |
70 | { |
71 | mutex_lock(&r->res_mutex); |
72 | } |
73 | |
74 | static inline void unlock_rsb(struct dlm_rsb *r) |
75 | { |
76 | mutex_unlock(lock: &r->res_mutex); |
77 | } |
78 | |
79 | #endif |
80 | |
81 | |