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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /fs/dlm/lock.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'fs/dlm/lock.h')
-rw-r--r-- | fs/dlm/lock.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/fs/dlm/lock.h b/fs/dlm/lock.h new file mode 100644 index 00000000..1a255307 --- /dev/null +++ b/fs/dlm/lock.h @@ -0,0 +1,73 @@ +/****************************************************************************** +******************************************************************************* +** +** Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved. +** +** This copyrighted material is made available to anyone wishing to use, +** modify, copy, or redistribute it subject to the terms and conditions +** of the GNU General Public License v.2. +** +******************************************************************************* +******************************************************************************/ + +#ifndef __LOCK_DOT_H__ +#define __LOCK_DOT_H__ + +void dlm_dump_rsb(struct dlm_rsb *r); +void dlm_print_lkb(struct dlm_lkb *lkb); +void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms); +void dlm_receive_buffer(union dlm_packet *p, int nodeid); +int dlm_modes_compat(int mode1, int mode2); +void dlm_put_rsb(struct dlm_rsb *r); +void dlm_hold_rsb(struct dlm_rsb *r); +int dlm_put_lkb(struct dlm_lkb *lkb); +void dlm_scan_rsbs(struct dlm_ls *ls); +int dlm_lock_recovery_try(struct dlm_ls *ls); +void dlm_unlock_recovery(struct dlm_ls *ls); +void dlm_scan_waiters(struct dlm_ls *ls); +void dlm_scan_timeout(struct dlm_ls *ls); +void dlm_adjust_timeouts(struct dlm_ls *ls); + +int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len, + unsigned int flags, struct dlm_rsb **r_ret); + +int dlm_purge_locks(struct dlm_ls *ls); +void dlm_purge_mstcpy_locks(struct dlm_rsb *r); +void dlm_grant_after_purge(struct dlm_ls *ls); +int dlm_recover_waiters_post(struct dlm_ls *ls); +void dlm_recover_waiters_pre(struct dlm_ls *ls); +int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc); +int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc); + +int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode, + uint32_t flags, void *name, unsigned int namelen, + unsigned long timeout_cs); +int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, + int mode, uint32_t flags, uint32_t lkid, char *lvb_in, + unsigned long timeout_cs); +int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, + uint32_t flags, uint32_t lkid, char *lvb_in); +int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, + uint32_t flags, uint32_t lkid); +int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc, + int nodeid, int pid); +int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid); +void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc); + +static inline int is_master(struct dlm_rsb *r) +{ + return !r->res_nodeid; +} + +static inline void lock_rsb(struct dlm_rsb *r) +{ + mutex_lock(&r->res_mutex); +} + +static inline void unlock_rsb(struct dlm_rsb *r) +{ + mutex_unlock(&r->res_mutex); +} + +#endif + |