forked from luck/tmp_suning_uos_patched
24ef1815e5
This is the first in a series of patches to isolate ocfs2 from the underlying cluster stack. Here we wrap the dlm locking functions with ocfs2-specific calls. Because ocfs2 always uses the same dlm lock status callbacks, we can eliminate the callbacks from the filesystem visible functions. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
|
|
* vim: noexpandtab sw=8 ts=8 sts=0:
|
|
*
|
|
* stackglue.h
|
|
*
|
|
* Glue to the underlying cluster stack.
|
|
*
|
|
* Copyright (C) 2007 Oracle. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License as published by the Free Software Foundation, version 2.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*/
|
|
|
|
|
|
#ifndef STACKGLUE_H
|
|
#define STACKGLUE_H
|
|
|
|
struct ocfs2_locking_protocol {
|
|
void (*lp_lock_ast)(void *astarg);
|
|
void (*lp_blocking_ast)(void *astarg, int level);
|
|
void (*lp_unlock_ast)(void *astarg, enum dlm_status status);
|
|
};
|
|
|
|
enum dlm_status ocfs2_dlm_lock(struct dlm_ctxt *dlm,
|
|
int mode,
|
|
struct dlm_lockstatus *lksb,
|
|
u32 flags,
|
|
void *name,
|
|
unsigned int namelen,
|
|
void *astarg);
|
|
enum dlm_status ocfs2_dlm_unlock(struct dlm_ctxt *dlm,
|
|
struct dlm_lockstatus *lksb,
|
|
u32 flags,
|
|
void *astarg);
|
|
|
|
void o2cb_get_stack(struct ocfs2_locking_protocol *proto);
|
|
void o2cb_put_stack(void);
|
|
|
|
#endif /* STACKGLUE_H */
|