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linux-next/fs/gfs2/sys.h
David Teigland e0c2a9aa1e GFS2: dlm based recovery coordination
This new method of managing recovery is an alternative to
the previous approach of using the userland gfs_controld.

- use dlm slot numbers to assign journal id's
- use dlm recovery callbacks to initiate journal recovery
- use a dlm lock to determine the first node to mount fs
- use a dlm lock to track journals that need recovery

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11 09:23:05 +00:00

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/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 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 version 2.
*/
#ifndef __SYS_DOT_H__
#define __SYS_DOT_H__
#include <linux/spinlock.h>
struct gfs2_sbd;
int gfs2_sys_fs_add(struct gfs2_sbd *sdp);
void gfs2_sys_fs_del(struct gfs2_sbd *sdp);
int gfs2_sys_init(void);
void gfs2_sys_uninit(void);
int gfs2_recover_set(struct gfs2_sbd *sdp, unsigned jid);
#endif /* __SYS_DOT_H__ */