1e7fd4179SDavid Teigland /****************************************************************************** 2e7fd4179SDavid Teigland ******************************************************************************* 3e7fd4179SDavid Teigland ** 4e7fd4179SDavid Teigland ** Copyright (C) 2005 Red Hat, Inc. All rights reserved. 5e7fd4179SDavid Teigland ** 6e7fd4179SDavid Teigland ** This copyrighted material is made available to anyone wishing to use, 7e7fd4179SDavid Teigland ** modify, copy, or redistribute it subject to the terms and conditions 8e7fd4179SDavid Teigland ** of the GNU General Public License v.2. 9e7fd4179SDavid Teigland ** 10e7fd4179SDavid Teigland ******************************************************************************* 11e7fd4179SDavid Teigland ******************************************************************************/ 12e7fd4179SDavid Teigland 13e7fd4179SDavid Teigland #ifndef __LOCK_DOT_H__ 14e7fd4179SDavid Teigland #define __LOCK_DOT_H__ 15e7fd4179SDavid Teigland 16e7fd4179SDavid Teigland void dlm_print_rsb(struct dlm_rsb *r); 17a345da3eSDavid Teigland void dlm_dump_rsb(struct dlm_rsb *r); 18597d0caeSDavid Teigland void dlm_print_lkb(struct dlm_lkb *lkb); 19e7fd4179SDavid Teigland int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery); 20e7fd4179SDavid Teigland int dlm_modes_compat(int mode1, int mode2); 21e7fd4179SDavid Teigland int dlm_find_rsb(struct dlm_ls *ls, char *name, int namelen, 22e7fd4179SDavid Teigland unsigned int flags, struct dlm_rsb **r_ret); 23e7fd4179SDavid Teigland void dlm_put_rsb(struct dlm_rsb *r); 24e7fd4179SDavid Teigland void dlm_hold_rsb(struct dlm_rsb *r); 25e7fd4179SDavid Teigland int dlm_put_lkb(struct dlm_lkb *lkb); 26e7fd4179SDavid Teigland void dlm_scan_rsbs(struct dlm_ls *ls); 27e7fd4179SDavid Teigland 28e7fd4179SDavid Teigland int dlm_purge_locks(struct dlm_ls *ls); 29e7fd4179SDavid Teigland void dlm_purge_mstcpy_locks(struct dlm_rsb *r); 3097a35d1eSDavid Teigland void dlm_grant_after_purge(struct dlm_ls *ls); 31e7fd4179SDavid Teigland int dlm_recover_waiters_post(struct dlm_ls *ls); 32e7fd4179SDavid Teigland void dlm_recover_waiters_pre(struct dlm_ls *ls); 33e7fd4179SDavid Teigland int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); 34e7fd4179SDavid Teigland int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); 35e7fd4179SDavid Teigland 36597d0caeSDavid Teigland int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, 37597d0caeSDavid Teigland uint32_t flags, void *name, unsigned int namelen, uint32_t parent_lkid); 38597d0caeSDavid Teigland int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 39597d0caeSDavid Teigland int mode, uint32_t flags, uint32_t lkid, char *lvb_in); 40597d0caeSDavid Teigland int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 41597d0caeSDavid Teigland uint32_t flags, uint32_t lkid, char *lvb_in); 42597d0caeSDavid Teigland int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, 43597d0caeSDavid Teigland uint32_t flags, uint32_t lkid); 44*72c2be77SDavid Teigland int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, 45*72c2be77SDavid Teigland int nodeid, int pid); 46597d0caeSDavid Teigland void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); 47597d0caeSDavid Teigland 48e7fd4179SDavid Teigland static inline int is_master(struct dlm_rsb *r) 49e7fd4179SDavid Teigland { 50e7fd4179SDavid Teigland return !r->res_nodeid; 51e7fd4179SDavid Teigland } 52e7fd4179SDavid Teigland 53e7fd4179SDavid Teigland static inline void lock_rsb(struct dlm_rsb *r) 54e7fd4179SDavid Teigland { 5590135925SDavid Teigland mutex_lock(&r->res_mutex); 56e7fd4179SDavid Teigland } 57e7fd4179SDavid Teigland 58e7fd4179SDavid Teigland static inline void unlock_rsb(struct dlm_rsb *r) 59e7fd4179SDavid Teigland { 6090135925SDavid Teigland mutex_unlock(&r->res_mutex); 61e7fd4179SDavid Teigland } 62e7fd4179SDavid Teigland 63e7fd4179SDavid Teigland #endif 64e7fd4179SDavid Teigland 65