72c2be776b
Add code to accept purge commands from userland. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/******************************************************************************
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*******************************************************************************
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**
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** Copyright (C) 2005 Red Hat, Inc. All rights reserved.
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**
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** This copyrighted material is made available to anyone wishing to use,
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** modify, copy, or redistribute it subject to the terms and conditions
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** of the GNU General Public License v.2.
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**
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*******************************************************************************
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******************************************************************************/
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#ifndef __LOCK_DOT_H__
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#define __LOCK_DOT_H__
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void dlm_print_rsb(struct dlm_rsb *r);
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void dlm_dump_rsb(struct dlm_rsb *r);
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void dlm_print_lkb(struct dlm_lkb *lkb);
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int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery);
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int dlm_modes_compat(int mode1, int mode2);
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int dlm_find_rsb(struct dlm_ls *ls, char *name, int namelen,
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unsigned int flags, struct dlm_rsb **r_ret);
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void dlm_put_rsb(struct dlm_rsb *r);
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void dlm_hold_rsb(struct dlm_rsb *r);
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int dlm_put_lkb(struct dlm_lkb *lkb);
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void dlm_scan_rsbs(struct dlm_ls *ls);
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int dlm_purge_locks(struct dlm_ls *ls);
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void dlm_purge_mstcpy_locks(struct dlm_rsb *r);
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void dlm_grant_after_purge(struct dlm_ls *ls);
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int dlm_recover_waiters_post(struct dlm_ls *ls);
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void dlm_recover_waiters_pre(struct dlm_ls *ls);
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int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
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int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
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int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,
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uint32_t flags, void *name, unsigned int namelen, uint32_t parent_lkid);
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int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
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int mode, uint32_t flags, uint32_t lkid, char *lvb_in);
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int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
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uint32_t flags, uint32_t lkid, char *lvb_in);
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int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
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uint32_t flags, uint32_t lkid);
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int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
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int nodeid, int pid);
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void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);
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static inline int is_master(struct dlm_rsb *r)
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{
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return !r->res_nodeid;
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}
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static inline void lock_rsb(struct dlm_rsb *r)
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{
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mutex_lock(&r->res_mutex);
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}
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static inline void unlock_rsb(struct dlm_rsb *r)
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{
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mutex_unlock(&r->res_mutex);
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}
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#endif
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