release/src/router/busybox/include/volume_id.h

   1 /*
   2  * volume_id - reads filesystem label and uuid
   3  *
   4  * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
   5  *
   6  *      This library is free software; you can redistribute it and/or
   7  *      modify it under the terms of the GNU Lesser General Public
   8  *      License as published by the Free Software Foundation; either
   9  *      version 2.1 of the License, or (at your option) any later version.
  10  *
  11  *      This library is distributed in the hope that it will be useful,
  12  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14  *      Lesser General Public License for more details.
  15  *
  16  *      You should have received a copy of the GNU Lesser General Public
  17  *      License along with this library; if not, write to the Free Software
  18  *      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  */
  20
  21 char *get_devname_from_label(const char *spec);
  22 char *get_devname_from_uuid(const char *spec);
  23 char *get_devname_from_device(dev_t dev);
  24 void display_uuid_cache(int scan_devices);
  25
  26 /* Returns:
  27  * 0 : no UUID= or LABEL= prefix found
  28  * 1 : UUID= or LABEL= prefix found. In this case,
  29  *     *fsname is replaced if device with such UUID or LABEL is found
  30  * -2: UUID= or LABEL= prefixes cannot be resolved
  31  */
  32 int resolve_mount_spec(char **fsname);
  33 int add_to_uuid_cache(const char *device, dev_t devno);