release/src-rt-6.x.4708/linux/linux-2.6.36/fs/gfs2/recovery.h

   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_sbd *sdp, unsigned int *blk)
  18 {
  19         if (++*blk == sdp->sd_jdesc->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_sbd *sdp, u64 blkno, unsigned int where);
  27 extern int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
  28 extern void gfs2_revoke_clean(struct gfs2_sbd *sdp);
  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
  35 #endif /* __RECOVERY_DOT_H__ */