2 * mdadm - manage Linux "md" devices aka RAID arrays.
4 * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * Email: <neilb@suse.de>
24 * Added by Dale Stephenson
25 * steph@snapserver.com
32 int Kill(char *dev, int force, int quiet, int noexcl)
35 * Nothing fancy about Kill. It just zeroes out a superblock
36 * Definitely not safe.
44 fd = open(dev, O_RDWR|(force ? 0 : O_EXCL));
47 fprintf(stderr, Name ": Couldn't open %s for write - not zeroing\n",
55 fprintf(stderr, Name ": Unrecognised md component device - %s\n", dev);
59 rv = st->ss->load_super(st, fd, dev);
61 rv = 0; /* ignore bad data in superblock */
62 if (rv== 0 || (force && rv >= 2)) {
63 st->ss->free_super(st);
64 st->ss->init_super(st, NULL, 0, "", NULL, NULL);
65 if (st->ss->store_super(st, fd)) {
67 fprintf(stderr, Name ": Could not zero superblock on %s\n",
72 fprintf(stderr, Name ": superblock zeroed anyway\n");