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 #include <roken.h>
  14
  15 #include <afs/cmd.h>
  16
  17 #include <rx/xdr.h>
  18 #include <afs/afsint.h>
  19 #include "nfs.h"
  20 #include "lock.h"
  21 #include "ihandle.h"
  22 #include "vnode.h"
  23 #include "volume.h"
  24
  25 int VolumeChanged; /* to keep physio happy */
  26
  27 static int
  28 handleit(struct cmd_syndesc *as, void *arock)
  29 {
  30     Volume *vp;
  31     Error ec;
  32     int bless, unbless, nofssync;
  33     int volumeId;
  34     VolumePackageOptions opts;
  35     ProgramType pt;
  36
  37     volumeId = atoi(as->parms[0].items->data);
  38     bless    = !!(as->parms[1].items);
  39     unbless  = !!(as->parms[2].items);
  40     nofssync = !!(as->parms[3].items);
  41
  42     if (bless && unbless) {
  43         fprintf(stderr,"Cannot use both -bless and -unbless\n");
  44         exit(1);
  45     }
  46
  47     if (nofssync) {
  48         pt = salvager;
  49     } else {
  50         pt = volumeUtility;
  51     }
  52
  53     VOptDefaults(pt, &opts);
  54     opts.canUseFSSYNC = !nofssync;
  55
  56     if (VInitVolumePackage2(pt, &opts)) {
  57         fprintf(stderr,"Unable to initialize volume package\n");
  58         exit(1);
  59     }
  60
  61     vp = VAttachVolume(&ec, volumeId, V_VOLUPD);
  62     if (ec) {
  63         fprintf(stderr,"VAttachVolume failed: %d\n", ec);
  64         exit(1);
  65     }
  66     if (bless) V_blessed(vp) = 1;
  67     if (unbless) V_blessed(vp) = 0;
  68     VUpdateVolume(&ec, vp);
  69     if (ec) {
  70         fprintf(stderr,"VUpdateVolume failed: %d\n", ec);
  71         VDetachVolume(&ec, vp);
  72         exit(1);
  73     }
  74     VDetachVolume(&ec, vp);
  75     return 0;
  76 }
  77
  78 int
  79 main(int argc, char **argv)
  80 {
  81     struct cmd_syndesc *ts;
  82     afs_int32 code;
  83
  84     ts = cmd_CreateSyntax(NULL, handleit, NULL, 0, "Manipulate volume blessed bit");
  85     cmd_AddParm(ts, "-id", CMD_SINGLE, CMD_REQUIRED, "Volume id");
  86     cmd_AddParm(ts, "-bless", CMD_FLAG, CMD_OPTIONAL, "Set blessed bit");
  87     cmd_AddParm(ts, "-unbless", CMD_FLAG, CMD_OPTIONAL, "Clear blessed bit");
  88     cmd_AddParm(ts, "-nofssync", CMD_FLAG, CMD_OPTIONAL,
  89                 "Don't communicate with running fileserver");
  90     code = cmd_Dispatch(argc, argv);
  91     return code;
  92 }
  93
  94