/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Neil Brown
- * Email: <neilb@cse.unsw.edu.au>
- * Paper: Neil Brown
- * School of Computer Science and Engineering
- * The University of New South Wales
- * Sydney, 2052
- * Australia
+ * Email: <neilb@suse.de>
*
* Added by Dale Stephenson
* steph@snapserver.com
#include "md_u.h"
#include "md_p.h"
-int Kill(char *dev, int force, int quiet, int noexcl)
+int Kill(char *dev, struct supertype *st, int force, int quiet, int noexcl)
{
/*
* Nothing fancy about Kill. It just zeroes out a superblock
* Definitely not safe.
+ * Returns:
+ * 0 - a zero superblock was successfully written out
+ * 1 - failed to write the zero superblock
+ * 2 - failed to open the device or find a superblock.
*/
int fd, rv = 0;
- struct supertype *st;
- fd = open(dev, O_DIRECT | (noexcl ? O_RDWR : (O_RDWR|O_EXCL)));
+ if (force)
+ noexcl = 1;
+ fd = open(dev, O_RDWR|(noexcl ? 0 : O_EXCL));
if (fd < 0) {
if (!quiet)
fprintf(stderr, Name ": Couldn't open %s for write - not zeroing\n",
dev);
- close(fd);
- return 1;
+ return 2;
}
- st = guess_super(fd);
+ if (st == NULL)
+ st = guess_super(fd);
if (st == NULL) {
if (!quiet)
fprintf(stderr, Name ": Unrecognised md component device - %s\n", dev);
close(fd);
- return 1;
+ return 2;
}
rv = st->ss->load_super(st, fd, dev);
if (force && rv >= 2)