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 16void dlm_dump_rsb(struct dlm_rsb *r); 17void dlm_print_lkb(struct dlm_lkb *lkb); 18void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms); 19void dlm_receive_buffer(union dlm_packet *p, int nodeid); 20int dlm_modes_compat(int mode1, int mode2); 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); 25int dlm_lock_recovery_try(struct dlm_ls *ls); 26void dlm_unlock_recovery(struct dlm_ls *ls); 27void dlm_scan_timeout(struct dlm_ls *ls); 28void dlm_adjust_timeouts(struct dlm_ls *ls); 29 30int dlm_purge_locks(struct dlm_ls *ls); 31void dlm_purge_mstcpy_locks(struct dlm_rsb *r); 32void dlm_grant_after_purge(struct dlm_ls *ls); 33int dlm_recover_waiters_post(struct dlm_ls *ls); 34void dlm_recover_waiters_pre(struct dlm_ls *ls); 35int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); 36int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); 37 38int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, 39 uint32_t flags, void *name, unsigned int namelen, 40 unsigned long timeout_cs); 41int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 42 int mode, uint32_t flags, uint32_t lkid, char *lvb_in, 43 unsigned long timeout_cs); 44int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 45 uint32_t flags, uint32_t lkid, char *lvb_in); 46int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 47 uint32_t flags, uint32_t lkid); 48int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, 49 int nodeid, int pid); 50int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); 51void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); 52 53static inline int is_master(struct dlm_rsb *r) 54{ 55 return !r->res_nodeid; 56} 57 58static inline void lock_rsb(struct dlm_rsb *r) 59{ 60 mutex_lock(&r->res_mutex); 61} 62 63static inline void unlock_rsb(struct dlm_rsb *r) 64{ 65 mutex_unlock(&r->res_mutex); 66} 67 68#endif 69