ALSA: hda - Fix pending unsol events at shutdown
[linux-2.6-block.git] / fs / dlm / lock.h
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2522fe45 1/* SPDX-License-Identifier: GPL-2.0-only */
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2/******************************************************************************
3*******************************************************************************
4**
3ae1acf9 5** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
e7fd4179 6**
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7**
8*******************************************************************************
9******************************************************************************/
10
11#ifndef __LOCK_DOT_H__
12#define __LOCK_DOT_H__
13
a345da3e 14void dlm_dump_rsb(struct dlm_rsb *r);
c04fecb4 15void dlm_dump_rsb_name(struct dlm_ls *ls, char *name, int len);
597d0cae 16void dlm_print_lkb(struct dlm_lkb *lkb);
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17void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms,
18 uint32_t saved_seq);
eef7d739 19void dlm_receive_buffer(union dlm_packet *p, int nodeid);
e7fd4179 20int dlm_modes_compat(int mode1, int mode2);
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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);
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25int dlm_lock_recovery_try(struct dlm_ls *ls);
26void dlm_unlock_recovery(struct dlm_ls *ls);
c6ff669b 27void dlm_scan_waiters(struct dlm_ls *ls);
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28void dlm_scan_timeout(struct dlm_ls *ls);
29void dlm_adjust_timeouts(struct dlm_ls *ls);
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30int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len,
31 unsigned int flags, int *r_nodeid, int *result);
e7fd4179 32
7210cb7a 33int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len,
c04fecb4 34 struct dlm_rsb **r_ret);
7210cb7a 35
4875647a 36void dlm_recover_purge(struct dlm_ls *ls);
e7fd4179 37void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
4875647a 38void dlm_recover_grant(struct dlm_ls *ls);
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39int dlm_recover_waiters_post(struct dlm_ls *ls);
40void dlm_recover_waiters_pre(struct dlm_ls *ls);
41int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
42int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
43
597d0cae 44int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
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45 uint32_t flags, void *name, unsigned int namelen,
46 unsigned long timeout_cs);
597d0cae 47int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
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48 int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
49 unsigned long timeout_cs);
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50int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
51 int mode, uint32_t flags, void *name, unsigned int namelen,
52 unsigned long timeout_cs, uint32_t *lkid);
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53int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
54 uint32_t flags, uint32_t lkid, char *lvb_in);
55int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
56 uint32_t flags, uint32_t lkid);
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57int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
58 int nodeid, int pid);
8b4021fa 59int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);
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60void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
61
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62static inline int is_master(struct dlm_rsb *r)
63{
64 return !r->res_nodeid;
65}
66
67static inline void lock_rsb(struct dlm_rsb *r)
68{
90135925 69 mutex_lock(&r->res_mutex);
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70}
71
72static inline void unlock_rsb(struct dlm_rsb *r)
73{
90135925 74 mutex_unlock(&r->res_mutex);
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75}
76
77#endif
78