xref: /linux/fs/gfs2/recovery.h (revision 8f8d5745bb520c76b81abef4a2cb3023d0313bfd)
1 /*
2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
3  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
4  *
5  * This copyrighted material is made available to anyone wishing to use,
6  * modify, copy, or redistribute it subject to the terms and conditions
7  * of the GNU General Public License version 2.
8  */
9 
10 #ifndef __RECOVERY_DOT_H__
11 #define __RECOVERY_DOT_H__
12 
13 #include "incore.h"
14 
15 extern struct workqueue_struct *gfs_recovery_wq;
16 
17 static inline void gfs2_replay_incr_blk(struct gfs2_jdesc *jd, unsigned int *blk)
18 {
19 	if (++*blk == jd->jd_blocks)
20 	        *blk = 0;
21 }
22 
23 extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
24 			   struct buffer_head **bh);
25 
26 extern int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
27 extern int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
28 extern void gfs2_revoke_clean(struct gfs2_jdesc *jd);
29 
30 extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
31 		    struct gfs2_log_header_host *head);
32 extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
33 extern void gfs2_recover_func(struct work_struct *work);
34 extern int __get_log_header(struct gfs2_sbd *sdp,
35 			    const struct gfs2_log_header *lh, unsigned int blkno,
36 			    struct gfs2_log_header_host *head);
37 
38 #endif /* __RECOVERY_DOT_H__ */
39 
40