From c361777fb9347a4d16b82272f7d3b234e94bef2d Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@cse.unsw.edu.au>
Date: Tue, 21 Jun 2005 17:17:10 -0700
Subject: [PATCH] [PATCH] md: make sure recovery happens when add_new_disk is
 used for hot_add

Currently if add_new_disk is used to hot-add a drive to a degraded array,
recovery doesn't start ...  because we didn't tell it to.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/md/md.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d899204d37..60835dfd05 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2083,6 +2083,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 		err = bind_rdev_to_array(rdev, mddev);
 		if (err)
 			export_rdev(rdev);
+
+		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 		if (mddev->thread)
 			md_wakeup_thread(mddev->thread);
 		return err;
-- 
2.39.5