projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2522fe45 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| e7fd4179 DT |
2 | /****************************************************************************** |
| 3 | ******************************************************************************* | |
| 4 | ** | |
| 3ae1acf9 | 5 | ** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved. |
| e7fd4179 | 6 | ** |
| e7fd4179 DT |
7 | ** |
| 8 | ******************************************************************************* | |
| 9 | ******************************************************************************/ | |
| 10 | ||
| 11 | #ifndef __LOCK_DOT_H__ | |
| 12 | #define __LOCK_DOT_H__ | |
| 13 | ||
| a345da3e | 14 | void dlm_dump_rsb(struct dlm_rsb *r); |
| c04fecb4 | 15 | void dlm_dump_rsb_name(struct dlm_ls *ls, char *name, int len); |
| 597d0cae | 16 | void dlm_print_lkb(struct dlm_lkb *lkb); |
| 6d40c4a7 DT |
17 | void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms, |
| 18 | uint32_t saved_seq); | |
| eef7d739 | 19 | void dlm_receive_buffer(union dlm_packet *p, int nodeid); |
| e7fd4179 | 20 | int dlm_modes_compat(int mode1, int mode2); |
| e7fd4179 DT |
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); | |
| 85e86edf DT |
25 | int dlm_lock_recovery_try(struct dlm_ls *ls); |
| 26 | void dlm_unlock_recovery(struct dlm_ls *ls); | |
| 6b0afc0c | 27 | |
| c04fecb4 DT |
28 | int dlm_master_lookup(struct dlm_ls *ls, int nodeid, char *name, int len, |
| 29 | unsigned int flags, int *r_nodeid, int *result); | |
| e7fd4179 | 30 | |
| 56171e0d | 31 | int dlm_search_rsb_tree(struct rb_root *tree, const void *name, int len, |
| c04fecb4 | 32 | struct dlm_rsb **r_ret); |
| 7210cb7a | 33 | |
| 4875647a | 34 | void dlm_recover_purge(struct dlm_ls *ls); |
| e7fd4179 | 35 | void dlm_purge_mstcpy_locks(struct dlm_rsb *r); |
| 4875647a | 36 | void dlm_recover_grant(struct dlm_ls *ls); |
| e7fd4179 DT |
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 | ||
| 6b0afc0c AA |
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 | int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
| 45 | int mode, uint32_t flags, uint32_t lkid, char *lvb_in); | |
| 2ab4bd8e DT |
46 | int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 47 | int mode, uint32_t flags, void *name, unsigned int namelen, | |
| 8d614a44 | 48 | uint32_t *lkid); |
| 597d0cae DT |
49 | int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, |
| 50 | uint32_t flags, uint32_t lkid, char *lvb_in); | |
| 51 | int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, | |
| 52 | uint32_t flags, uint32_t lkid); | |
| 72c2be77 DT |
53 | int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, |
| 54 | int nodeid, int pid); | |
| 8b4021fa | 55 | int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); |
| 597d0cae | 56 | void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); |
| 5054e79d AA |
57 | int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len, |
| 58 | int lkb_nodeid, unsigned int lkb_flags, int lkb_status); | |
| 63eab2b0 AA |
59 | int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id, |
| 60 | int mstype, int to_nodeid); | |
| 597d0cae | 61 | |
| e7fd4179 DT |
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 | { | |
| 90135925 | 69 | mutex_lock(&r->res_mutex); |
| e7fd4179 DT |
70 | } |
| 71 | ||
| 72 | static inline void unlock_rsb(struct dlm_rsb *r) | |
| 73 | { | |
| 90135925 | 74 | mutex_unlock(&r->res_mutex); |
| e7fd4179 DT |
75 | } |
| 76 | ||
| 77 | #endif | |
| 78 |