Add --update=force-no-bbl.

This forcibly removed the bad-block log.  There can be situations where it is hard to
remove bad blocks by writing to them - partiularly on RAID5.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/mdadm.h b/mdadm.h
index 99802c3..dd02be7 100755
--- a/mdadm.h
+++ b/mdadm.h
@@ -820,7 +820,8 @@ extern struct superswitch {
 	 *   readwrite - clear the WriteMostly1 bit in the superblock devflags
 	 *   no-bitmap - clear any record that a bitmap is present.
 	 *   bbl       - add a bad-block-log if possible
-	 *   no-bbl    - remove and bad-block-log is it is empty.
+	 *   no-bbl    - remove any bad-block-log is it is empty.
+	 *   force-no-bbl - remove any bad-block-log even if empty.
 	 *   revert-reshape - If a reshape is in progress, modify metadata so
 	 *                    it will resume going in the opposite direction.
 	 */