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; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* stackglue.h
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*
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* Glue to the underlying cluster stack.
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*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef STACKGLUE_H
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#define STACKGLUE_H
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struct ocfs2_locking_protocol {
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void (*lp_lock_ast)(void *astarg);
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void (*lp_blocking_ast)(void *astarg, int level);
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void (*lp_unlock_ast)(void *astarg, enum dlm_status status);
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};
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enum dlm_status ocfs2_dlm_lock(struct dlm_ctxt *dlm,
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int mode,
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struct dlm_lockstatus *lksb,
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u32 flags,
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void *name,
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unsigned int namelen,
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void *astarg);
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enum dlm_status ocfs2_dlm_unlock(struct dlm_ctxt *dlm,
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struct dlm_lockstatus *lksb,
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u32 flags,
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void *astarg);
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void o2cb_get_stack(struct ocfs2_locking_protocol *proto);
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void o2cb_put_stack(void);
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#endif /* STACKGLUE_H */
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