include/libxcmd.h

   1 /*
   2  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #ifndef __LIBXCMD_H__
  20 #define __LIBXCMD_H__
  21
  22 #include "libxfs.h"
  23 #include <sys/time.h>
  24
  25 /*
  26  * Device topology information.
  27  */
  28 typedef struct fs_topology {
  29         int     dsunit;         /* stripe unit - data subvolume */
  30         int     dswidth;        /* stripe width - data subvolume */
  31         int     rtswidth;       /* stripe width - rt subvolume */
  32         int     lsectorsize;    /* logical sector size &*/
  33         int     psectorsize;    /* physical sector size */
  34 } fs_topology_t;
  35
  36 extern void
  37 get_topology(
  38         libxfs_init_t           *xi,
  39         struct fs_topology      *ft,
  40         int                     force_overwrite);
  41
  42 extern void
  43 calc_default_ag_geometry(
  44         int             blocklog,
  45         uint64_t        dblocks,
  46         int             multidisk,
  47         uint64_t        *agsize,
  48         uint64_t        *agcount);
  49
  50 extern int
  51 check_overwrite(
  52         const char      *device);
  53
  54
  55
  56 #endif  /* __LIBXCMD_H__ */