sbin/hammer2/cmd_cleanup.c

   1 /*
   2  * Copyright (c) 2017 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@dragonflybsd.org>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  22  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  28  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include "hammer2.h"
  33
  34 static int docleanup(const char *path);
  35
  36 int
  37 cmd_cleanup(const char *sel_path)
  38 {
  39         struct statfs *fsary;
  40         char *fstype;
  41         char *path;
  42         int i;
  43         int n;
  44         int r;
  45         int rc;
  46
  47         if (sel_path)
  48                 return (docleanup(sel_path));
  49
  50         n = getmntinfo(&fsary, MNT_NOWAIT);
  51         if (n <= 0) {
  52                 fprintf(stderr, "hammer2 cleanup: no HAMMER2 mounts\n");
  53                 return 0;
  54         }
  55         rc = 0;
  56         for (i = 0; i < n; ++i) {
  57                 fstype = fsary[i].f_fstypename;
  58                 path = fsary[i].f_mntonname;
  59
  60                 if (strcmp(fstype, "hammer2") == 0) {
  61                         r = docleanup(path);
  62                         if (r)
  63                                 rc = r;
  64                 }
  65         }
  66         return rc;
  67 }
  68
  69 static
  70 int
  71 docleanup(const char *path)
  72 {
  73         int rc;
  74
  75         printf("hammer2 cleanup \"%s\"\n", path);
  76         rc = cmd_bulkfree(path);
  77
  78         return rc;
  79 }