| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /****************************************************************************** |
| 3 | ******************************************************************************* |
| 4 | ** |
| 5 | ** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved. |
| 6 | ** |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 7 | ** |
| 8 | ******************************************************************************* |
| 9 | ******************************************************************************/ |
| 10 | |
| 11 | #ifndef __LOCK_DOT_H__ |
| 12 | #define __LOCK_DOT_H__ |
| 13 | |
| 14 | void dlm_dump_rsb(struct dlm_rsb *r); |
| 15 | void dlm_dump_rsb_name(struct dlm_ls *ls, char *name, int len); |
| 16 | void dlm_print_lkb(struct dlm_lkb *lkb); |
| 17 | void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms, |
| 18 | uint32_t saved_seq); |
| 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 | int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len, |
| 31 | unsigned int flags, int *r_nodeid, int *result); |
| 32 | |
| 33 | int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len, |
| 34 | struct dlm_rsb **r_ret); |
| 35 | |
| 36 | void dlm_recover_purge(struct dlm_ls *ls); |
| 37 | void dlm_purge_mstcpy_locks(struct dlm_rsb *r); |
| 38 | void dlm_recover_grant(struct dlm_ls *ls); |
| 39 | int dlm_recover_waiters_post(struct dlm_ls *ls); |
| 40 | void dlm_recover_waiters_pre(struct dlm_ls *ls); |
| 41 | int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); |
| 42 | int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); |
| 43 | |
| 44 | int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, |
| 45 | uint32_t flags, void *name, unsigned int namelen, |
| 46 | unsigned long timeout_cs); |
| 47 | int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 48 | int mode, uint32_t flags, uint32_t lkid, char *lvb_in, |
| 49 | unsigned long timeout_cs); |
| 50 | int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 51 | int mode, uint32_t flags, void *name, unsigned int namelen, |
| 52 | unsigned long timeout_cs, uint32_t *lkid); |
| 53 | int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 54 | uint32_t flags, uint32_t lkid, char *lvb_in); |
| 55 | int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 56 | uint32_t flags, uint32_t lkid); |
| 57 | int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, |
| 58 | int nodeid, int pid); |
| 59 | int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); |
| 60 | void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); |
| 61 | |
| 62 | static inline int is_master(struct dlm_rsb *r) |
| 63 | { |
| 64 | return !r->res_nodeid; |
| 65 | } |
| 66 | |
| 67 | static inline void lock_rsb(struct dlm_rsb *r) |
| 68 | { |
| 69 | mutex_lock(&r->res_mutex); |
| 70 | } |
| 71 | |
| 72 | static inline void unlock_rsb(struct dlm_rsb *r) |
| 73 | { |
| 74 | mutex_unlock(&r->res_mutex); |
| 75 | } |
| 76 | |
| 77 | #endif |
| 78 | |