#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;
if (force)
noexcl = 1;
- fd = open(dev, O_RDWR|(force ? 0 : O_EXCL));
+ 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)