| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 | |
| 16 | void dlm_dump_rsb(struct dlm_rsb *r); |
| 17 | void dlm_print_lkb(struct dlm_lkb *lkb); |
| 18 | void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms); |
| 19 | void dlm_receive_buffer(union dlm_packet *p, int nodeid); |
| 20 | int dlm_modes_compat(int mode1, int mode2); |
| 21 | void dlm_put_rsb(struct dlm_rsb *r); |
| 22 | void dlm_hold_rsb(struct dlm_rsb *r); |
| 23 | int dlm_put_lkb(struct dlm_lkb *lkb); |
| 24 | void dlm_scan_rsbs(struct dlm_ls *ls); |
| 25 | int dlm_lock_recovery_try(struct dlm_ls *ls); |
| 26 | void dlm_unlock_recovery(struct dlm_ls *ls); |
| 27 | void dlm_scan_waiters(struct dlm_ls *ls); |
| 28 | void dlm_scan_timeout(struct dlm_ls *ls); |
| 29 | void dlm_adjust_timeouts(struct dlm_ls *ls); |
| 30 | |
| 31 | int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len, |
| 32 | unsigned int flags, struct dlm_rsb **r_ret); |
| 33 | |
| 34 | int dlm_purge_locks(struct dlm_ls *ls); |
| 35 | void dlm_purge_mstcpy_locks(struct dlm_rsb *r); |
| 36 | void dlm_grant_after_purge(struct dlm_ls *ls); |
| 37 | int dlm_recover_waiters_post(struct dlm_ls *ls); |
| 38 | void dlm_recover_waiters_pre(struct dlm_ls *ls); |
| 39 | int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); |
| 40 | int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); |
| 41 | |
| 42 | int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, |
| 43 | uint32_t flags, void *name, unsigned int namelen, |
| 44 | unsigned long timeout_cs); |
| 45 | int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 46 | int mode, uint32_t flags, uint32_t lkid, char *lvb_in, |
| 47 | unsigned long timeout_cs); |
| 48 | int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 49 | uint32_t flags, uint32_t lkid, char *lvb_in); |
| 50 | int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 51 | uint32_t flags, uint32_t lkid); |
| 52 | int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, |
| 53 | int nodeid, int pid); |
| 54 | int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); |
| 55 | void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); |
| 56 | |
| 57 | static inline int is_master(struct dlm_rsb *r) |
| 58 | { |
| 59 | return !r->res_nodeid; |
| 60 | } |
| 61 | |
| 62 | static inline void lock_rsb(struct dlm_rsb *r) |
| 63 | { |
| 64 | mutex_lock(&r->res_mutex); |
| 65 | } |
| 66 | |
| 67 | static inline void unlock_rsb(struct dlm_rsb *r) |
| 68 | { |
| 69 | mutex_unlock(&r->res_mutex); |
| 70 | } |
| 71 | |
| 72 | #endif |
| 73 | |