repair/incore_bmc.c

   1 /*
   2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32
  33 #include <libxfs.h>
  34 #include "avl.h"
  35 #include "globals.h"
  36 #include "incore.h"
  37 #include "agheader.h"
  38 #include "protos.h"
  39 #include "err_protos.h"
  40
  41 void
  42 init_bm_cursor(bmap_cursor_t *cursor, int num_levels)
  43 {
  44         int i;
  45
  46         bzero(cursor, sizeof(bmap_cursor_t));
  47         cursor->ino = NULLFSINO;
  48         cursor->num_levels = num_levels;
  49
  50         for (i = 0; i < XR_MAX_BMLEVELS; i++)  {
  51                 cursor->level[i].fsbno = NULLDFSBNO;
  52                 cursor->level[i].right_fsbno = NULLDFSBNO;
  53                 cursor->level[i].left_fsbno = NULLDFSBNO;
  54                 cursor->level[i].first_key = NULLDFILOFF;
  55                 cursor->level[i].last_key = NULLDFILOFF;
  56         }
  57 }