Various fixes for --kill

- When --kill-superblock is used with --metadata, find every
  different superblock if there are several and kill them all.
- When creating a new array, kill off any old metadata.  The code
  to do this was already present but has become broken over time.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/super1.c b/super1.c
index 5a2df0e..2c992a4 100644
--- a/super1.c
+++ b/super1.c
@@ -1016,8 +1016,8 @@ static int write_init_super1(struct supertype *st)
 		if (di->fd < 0)
 			continue;
 
-		Kill(di->devname, 0, 1, 1);
-		Kill(di->devname, 0, 1, 1);
+		while (Kill(di->devname, NULL, 0, 1, 1) == 0)
+			;
 
 		sb->dev_number = __cpu_to_le32(di->disk.number);
 		if (di->disk.state & (1<<MD_DISK_WRITEMOSTLY))