src/vol/vol-bless.c

   1 /*
   2  * Copyright 2004, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13
  14 #include <stdio.h>
  15
  16 #include <afs/cmd.h>
  17
  18 #include <rx/xdr.h>
  19 #include <afs/afsint.h>
  20 #include "nfs.h"
  21 #include "lock.h"
  22 #include "ihandle.h"
  23 #include "vnode.h"
  24 #include "volume.h"
  25
  26 int VolumeChanged; /* to keep physio happy */
  27
  28 static int
  29 handleit(struct cmd_syndesc *as, void *arock)
  30 {
  31     Volume *vp;
  32     Error ec;
  33     int bless, unbless, nofssync;
  34     int volumeId;
  35     VolumePackageOptions opts;
  36     ProgramType pt;
  37
  38     volumeId = atoi(as->parms[0].items->data);
  39     bless    = !!(as->parms[1].items);
  40     unbless  = !!(as->parms[2].items);
  41     nofssync = !!(as->parms[3].items);
  42
  43     if (bless && unbless) {
  44         fprintf(stderr,"Cannot use both -bless and -unbless\n");
  45         exit(1);
  46     }
  47
  48     if (nofssync) {
  49         pt = salvager;
  50     } else {
  51         pt = volumeUtility;
  52     }
  53
  54     VOptDefaults(pt, &opts);
  55     opts.canUseFSSYNC = !nofssync;
  56
  57     if (VInitVolumePackage2(pt, &opts)) {
  58         fprintf(stderr,"Unable to initialize volume package\n");
  59         exit(1);
  60     }
  61
  62     vp = VAttachVolume(&ec, volumeId, V_VOLUPD);
  63     if (ec) {
  64         fprintf(stderr,"VAttachVolume failed: %d\n", ec);
  65         exit(1);
  66     }
  67     if (bless) V_blessed(vp) = 1;
  68     if (unbless) V_blessed(vp) = 0;
  69     VUpdateVolume(&ec, vp);
  70     if (ec) {
  71         fprintf(stderr,"VUpdateVolume failed: %d\n", ec);
  72         VDetachVolume(&ec, vp);
  73         exit(1);
  74     }
  75     VDetachVolume(&ec, vp);
  76     return 0;
  77 }
  78
  79 int
  80 main(int argc, char **argv)
  81 {
  82     struct cmd_syndesc *ts;
  83     afs_int32 code;
  84
  85     ts = cmd_CreateSyntax(NULL, handleit, NULL, "Manipulate volume blessed bit");
  86     cmd_AddParm(ts, "-id", CMD_SINGLE, CMD_REQUIRED, "Volume id");
  87     cmd_AddParm(ts, "-bless", CMD_FLAG, CMD_OPTIONAL, "Set blessed bit");
  88     cmd_AddParm(ts, "-unbless", CMD_FLAG, CMD_OPTIONAL, "Clear blessed bit");
  89     cmd_AddParm(ts, "-nofssync", CMD_FLAG, CMD_OPTIONAL,
  90                 "Don't communicate with running fileserver");
  91     code = cmd_Dispatch(argc, argv);
  92     return code;
  93 }
  94
  95