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- /* SPDX-License-Identifier: GPL-2.0-only */
- /******************************************************************************
- *******************************************************************************
- **
- ** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
- **
- **
- *******************************************************************************
- ******************************************************************************/
- #ifndef __LOCK_DOT_H__
- #define __LOCK_DOT_H__
- void dlm_dump_rsb(struct dlm_rsb *r);
- void dlm_dump_rsb_name(struct dlm_ls *ls, const char *name, int len);
- void dlm_print_lkb(struct dlm_lkb *lkb);
- void dlm_receive_message_saved(struct dlm_ls *ls, const struct dlm_message *ms,
- uint32_t saved_seq);
- void dlm_receive_buffer(const union dlm_packet *p, int nodeid);
- int dlm_modes_compat(int mode1, int mode2);
- void free_inactive_rsb(struct dlm_rsb *r);
- void dlm_put_rsb(struct dlm_rsb *r);
- void dlm_hold_rsb(struct dlm_rsb *r);
- int dlm_put_lkb(struct dlm_lkb *lkb);
- int dlm_lock_recovery_try(struct dlm_ls *ls);
- void dlm_lock_recovery(struct dlm_ls *ls);
- void dlm_unlock_recovery(struct dlm_ls *ls);
- void dlm_rsb_scan(struct timer_list *timer);
- void resume_scan_timer(struct dlm_ls *ls);
- int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, const char *name,
- int len, unsigned int flags, int *r_nodeid, int *result);
- int dlm_search_rsb_tree(struct rhashtable *rhash, const void *name, int len,
- struct dlm_rsb **r_ret);
- void dlm_recover_purge(struct dlm_ls *ls, const struct list_head *root_list);
- void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
- void dlm_recover_grant(struct dlm_ls *ls);
- int dlm_recover_waiters_post(struct dlm_ls *ls);
- void dlm_recover_waiters_pre(struct dlm_ls *ls);
- int dlm_recover_master_copy(struct dlm_ls *ls, const struct dlm_rcom *rc,
- __le32 *rl_remid, __le32 *rl_result);
- int dlm_recover_process_copy(struct dlm_ls *ls, const struct dlm_rcom *rc,
- uint64_t seq);
- int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
- uint32_t flags, void *name, unsigned int namelen);
- int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
- int mode, uint32_t flags, uint32_t lkid, char *lvb_in);
- int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
- int mode, uint32_t flags, void *name, unsigned int namelen,
- uint32_t *lkid);
- int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
- uint32_t flags, uint32_t lkid, char *lvb_in);
- int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
- uint32_t flags, uint32_t lkid);
- int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
- int nodeid, int pid);
- int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);
- void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
- int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len,
- int lkb_nodeid, unsigned int lkb_flags, int lkb_status);
- int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id,
- int mstype, int to_nodeid);
- static inline int is_master(struct dlm_rsb *r)
- {
- WARN_ON_ONCE(r->res_nodeid == -1);
- return !r->res_nodeid;
- }
- static inline void lock_rsb(struct dlm_rsb *r)
- {
- spin_lock_bh(&r->res_lock);
- }
- static inline void unlock_rsb(struct dlm_rsb *r)
- {
- spin_unlock_bh(&r->res_lock);
- }
- #endif
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