Detail: export MD_UUID from mapfile

[thirdparty/mdadm.git] / Kill.c

diff --git a/Kill.c b/Kill.c
index 2f28b9901d1dd706424c0a0a949ea716bfd3a880..f5c582180ac28d7a8593657f42b02d481aa352be 100644 (file)
--- a/Kill.c
+++ b/Kill.c
@@ -1,7 +1,7 @@
 /*
  * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -19,12 +19,7 @@
  *    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
@@ -34,39 +29,40 @@
 #include       "md_u.h"
 #include       "md_p.h"
 
-int Kill(char *dev, int force, int quiet)
+int Kill(char *dev, int force, int quiet, int noexcl)
 {
        /*
         * Nothing fancy about Kill.  It just zeroes out a superblock
         * Definitely not safe.
         */
 
-       void *super;
        int fd, rv = 0;
        struct supertype *st;
-               
-       fd = open(dev, O_RDWR|O_EXCL);
+
+       if (force)
+               noexcl = 1;
+       fd = open(dev, O_RDWR|(force ? 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;
        }
        st = guess_super(fd);
        if (st == NULL) {
                if (!quiet)
                        fprintf(stderr, Name ": Unrecognised md component device - %s\n", dev);
+               close(fd);
                return 1;
        }
-       rv = st->ss->load_super(st, fd, &super, dev);
+       rv = st->ss->load_super(st, fd, dev);
        if (force && rv >= 2)
                rv = 0; /* ignore bad data in superblock */
        if (rv== 0 || (force && rv >= 2)) {
-               mdu_array_info_t info;
-               info.major_version = -1; /* zero superblock */
-               free(super);
-               st->ss->init_super(st, &super, &info, 0, "");
-               if (st->ss->store_super(st, fd, super)) {
+               st->ss->free_super(st);
+               st->ss->init_super(st, NULL, 0, "", NULL, NULL);
+               if (st->ss->store_super(st, fd)) {
                        if (!quiet)
                                fprintf(stderr, Name ": Could not zero superblock on %s\n",
                                        dev);