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- /******************************************************************************
- *******************************************************************************
- **
- ** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
- **
- ** This copyrighted material is made available to anyone wishing to use,
- ** modify, copy, or redistribute it subject to the terms and conditions
- ** of the GNU General Public License v.2.
- **
- *******************************************************************************
- ******************************************************************************/
- #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, char *name, int len);
- void dlm_print_lkb(struct dlm_lkb *lkb);
- void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms,
- uint32_t saved_seq);
- void dlm_receive_buffer(union dlm_packet *p, int nodeid);
- int dlm_modes_compat(int mode1, int mode2);
- void dlm_put_rsb(struct dlm_rsb *r);
- void dlm_hold_rsb(struct dlm_rsb *r);
- int dlm_put_lkb(struct dlm_lkb *lkb);
- void dlm_scan_rsbs(struct dlm_ls *ls);
- int dlm_lock_recovery_try(struct dlm_ls *ls);
- void dlm_unlock_recovery(struct dlm_ls *ls);
- void dlm_scan_waiters(struct dlm_ls *ls);
- void dlm_scan_timeout(struct dlm_ls *ls);
- void dlm_adjust_timeouts(struct dlm_ls *ls);
- int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len,
- unsigned int flags, int *r_nodeid, int *result);
- int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len,
- struct dlm_rsb **r_ret);
- void dlm_recover_purge(struct dlm_ls *ls);
- 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, struct dlm_rcom *rc);
- int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
- int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
- uint32_t flags, void *name, unsigned int namelen,
- unsigned long timeout_cs);
- 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,
- unsigned long timeout_cs);
- 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,
- unsigned long timeout_cs, 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);
- static inline int is_master(struct dlm_rsb *r)
- {
- return !r->res_nodeid;
- }
- static inline void lock_rsb(struct dlm_rsb *r)
- {
- mutex_lock(&r->res_mutex);
- }
- static inline void unlock_rsb(struct dlm_rsb *r)
- {
- mutex_unlock(&r->res_mutex);
- }
- #endif
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