io/freeze.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2001-2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #include "command.h"
   8 #include "input.h"
   9 #include "init.h"
  10 #include "io.h"
  11
  12 static cmdinfo_t freeze_cmd;
  13 static cmdinfo_t thaw_cmd;
  14
  15 static int
  16 freeze_f(
  17         int             argc,
  18         char            **argv)
  19 {
  20         int             level = 1;
  21
  22         if (xfsctl(file->name, file->fd, XFS_IOC_FREEZE, &level) < 0) {
  23                 fprintf(stderr,
  24                         _("%s: cannot freeze filesystem at %s: %s\n"),
  25                         progname, file->name, strerror(errno));
  26                 exitcode = 1;
  27                 return 0;
  28         }
  29         return 0;
  30 }
  31
  32 static int
  33 thaw_f(
  34         int             argc,
  35         char            **argv)
  36 {
  37         int             level = 1;
  38
  39         if (xfsctl(file->name, file->fd, XFS_IOC_THAW, &level) < 0) {
  40                 fprintf(stderr,
  41                         _("%s: cannot unfreeze filesystem mounted at %s: %s\n"),
  42                         progname, file->name, strerror(errno));
  43                 exitcode = 1;
  44                 return 0;
  45         }
  46         return 0;
  47 }
  48
  49 void
  50 freeze_init(void)
  51 {
  52         freeze_cmd.name = "freeze";
  53         freeze_cmd.cfunc = freeze_f;
  54         freeze_cmd.argmin = 0;
  55         freeze_cmd.argmax = 0;
  56         freeze_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK | CMD_FLAG_ONESHOT;
  57         freeze_cmd.oneline = _("freeze filesystem of current file");
  58
  59         thaw_cmd.name = "thaw";
  60         thaw_cmd.cfunc = thaw_f;
  61         thaw_cmd.argmin = 0;
  62         thaw_cmd.argmax = 0;
  63         thaw_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK | CMD_FLAG_ONESHOT;
  64         thaw_cmd.oneline = _("unfreeze filesystem of current file");
  65
  66         if (expert) {
  67                 add_command(&freeze_cmd);
  68                 add_command(&thaw_cmd);
  69         }
  70 }