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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 | ||
16 | void dlm_dump_rsb(struct dlm_rsb *r); | |
17 | void dlm_dump_rsb_name(struct dlm_ls *ls, char *name, int len); | |
18 | void dlm_print_lkb(struct dlm_lkb *lkb); | |
19 | void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms, | |
20 | uint32_t saved_seq); | |
21 | void dlm_receive_buffer(union dlm_packet *p, int nodeid); | |
22 | int dlm_modes_compat(int mode1, int mode2); | |
23 | void dlm_put_rsb(struct dlm_rsb *r); | |
24 | void dlm_hold_rsb(struct dlm_rsb *r); | |
25 | int dlm_put_lkb(struct dlm_lkb *lkb); | |
26 | void dlm_scan_rsbs(struct dlm_ls *ls); | |
27 | int dlm_lock_recovery_try(struct dlm_ls *ls); | |
28 | void dlm_unlock_recovery(struct dlm_ls *ls); | |
29 | void dlm_scan_waiters(struct dlm_ls *ls); | |
30 | void dlm_scan_timeout(struct dlm_ls *ls); | |
31 | void dlm_adjust_timeouts(struct dlm_ls *ls); | |
32 | int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len, | |
33 | unsigned int flags, int *r_nodeid, int *result); | |
34 | ||
35 | int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len, | |
36 | struct dlm_rsb **r_ret); | |
37 | ||
38 | void dlm_recover_purge(struct dlm_ls *ls); | |
39 | void dlm_purge_mstcpy_locks(struct dlm_rsb *r); | |
40 | void dlm_recover_grant(struct dlm_ls *ls); | |
41 | int dlm_recover_waiters_post(struct dlm_ls *ls); | |
42 | void dlm_recover_waiters_pre(struct dlm_ls *ls); | |
43 | int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); | |
44 | int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); | |
45 | ||
46 | int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, | |
47 | uint32_t flags, void *name, unsigned int namelen, | |
48 | unsigned long timeout_cs); | |
49 | int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
50 | int mode, uint32_t flags, uint32_t lkid, char *lvb_in, | |
51 | unsigned long timeout_cs); | |
52 | int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
53 | int mode, uint32_t flags, void *name, unsigned int namelen, | |
54 | unsigned long timeout_cs, uint32_t *lkid); | |
55 | int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
56 | uint32_t flags, uint32_t lkid, char *lvb_in); | |
57 | int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
58 | uint32_t flags, uint32_t lkid); | |
59 | int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, | |
60 | int nodeid, int pid); | |
61 | int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); | |
62 | void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); | |
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(&r->res_mutex); | |
77 | } | |
78 | ||
79 | #endif | |
80 |