io/freeze.c

   1 /*
   2  * Copyright (c) 2001-2005 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 #include <xfs/xfs.h>
  20 #include <xfs/command.h>
  21 #include <xfs/input.h>
  22 #include "init.h"
  23 #include "io.h"
  24
  25 static cmdinfo_t freeze_cmd;
  26 static cmdinfo_t thaw_cmd;
  27
  28 int
  29 freeze_f(
  30         int             argc,
  31         char            **argv)
  32 {
  33         int             level = 1;
  34
  35         if (xfsctl(file->name, file->fd, XFS_IOC_FREEZE, &level) < 0) {
  36                 fprintf(stderr,
  37                         _("%s: cannot freeze filesystem at %s: %s\n"),
  38                         progname, file->name, strerror(errno));
  39                 exitcode = 1;
  40                 return 0;
  41         }
  42         return 0;
  43 }
  44
  45 int
  46 thaw_f(
  47         int             argc,
  48         char            **argv)
  49 {
  50         int             level = 1;
  51
  52         if (xfsctl(file->name, file->fd, XFS_IOC_THAW, &level) < 0) {
  53                 fprintf(stderr,
  54                         _("%s: cannot unfreeze filesystem mounted at %s: %s\n"),
  55                         progname, file->name, strerror(errno));
  56                 exitcode = 1;
  57                 return 0;
  58         }
  59         return 0;
  60 }
  61
  62 void
  63 freeze_init(void)
  64 {
  65         freeze_cmd.name = _("freeze");
  66         freeze_cmd.cfunc = freeze_f;
  67         freeze_cmd.argmin = 0;
  68         freeze_cmd.argmax = 0;
  69         freeze_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
  70         freeze_cmd.oneline = _("freeze filesystem of current file");
  71
  72         thaw_cmd.name = _("thaw");
  73         thaw_cmd.cfunc = thaw_f;
  74         thaw_cmd.argmin = 0;
  75         thaw_cmd.argmax = 0;
  76         thaw_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
  77         thaw_cmd.oneline = _("unfreeze filesystem of current file");
  78
  79         if (expert) {
  80                 add_command(&freeze_cmd);
  81                 add_command(&thaw_cmd);
  82         }
  83 }