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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, const char *name, int len);16void dlm_print_lkb(struct dlm_lkb *lkb);17void dlm_receive_message_saved(struct dlm_ls *ls, const struct dlm_message *ms,18 uint32_t saved_seq);19void dlm_receive_buffer(const union dlm_packet *p, int nodeid);20int dlm_modes_compat(int mode1, int mode2);21void free_inactive_rsb(struct dlm_rsb *r);22void dlm_put_rsb(struct dlm_rsb *r);23void dlm_hold_rsb(struct dlm_rsb *r);24int dlm_put_lkb(struct dlm_lkb *lkb);25int dlm_lock_recovery_try(struct dlm_ls *ls);26void dlm_lock_recovery(struct dlm_ls *ls);27void dlm_unlock_recovery(struct dlm_ls *ls);28void dlm_rsb_scan(struct timer_list *timer);29void resume_scan_timer(struct dlm_ls *ls);30 31int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, const char *name,32 int len, unsigned int flags, int *r_nodeid, int *result);33 34int dlm_search_rsb_tree(struct rhashtable *rhash, const void *name, int len,35 struct dlm_rsb **r_ret);36 37void dlm_recover_purge(struct dlm_ls *ls, const struct list_head *root_list);38void dlm_purge_mstcpy_locks(struct dlm_rsb *r);39void dlm_recover_grant(struct dlm_ls *ls);40int dlm_recover_waiters_post(struct dlm_ls *ls);41void dlm_recover_waiters_pre(struct dlm_ls *ls);42int dlm_recover_master_copy(struct dlm_ls *ls, const struct dlm_rcom *rc,43 __le32 *rl_remid, __le32 *rl_result);44int dlm_recover_process_copy(struct dlm_ls *ls, const struct dlm_rcom *rc,45 uint64_t seq);46 47int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,48 uint32_t flags, void *name, unsigned int namelen);49int 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);51int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,52 int mode, uint32_t flags, void *name, unsigned int namelen,53 uint32_t *lkid);54int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,55 uint32_t flags, uint32_t lkid, char *lvb_in);56int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,57 uint32_t flags, uint32_t lkid);58int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,59 int nodeid, int pid);60int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);61void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);62int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len,63 int lkb_nodeid, unsigned int lkb_flags, int lkb_status);64int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id,65 int mstype, int to_nodeid);66 67static inline int is_master(struct dlm_rsb *r)68{69 WARN_ON_ONCE(r->res_nodeid == -1);70 71 return !r->res_nodeid;72}73 74static inline void lock_rsb(struct dlm_rsb *r)75{76 spin_lock_bh(&r->res_lock);77}78 79static inline void unlock_rsb(struct dlm_rsb *r)80{81 spin_unlock_bh(&r->res_lock);82}83 84#endif85 86