From: 马建朋 <majianpeng@gmail.com>
Date: Thu, 9 Jun 2011 01:42:48 +0000 (+1000)
Subject: md: Using poll  /proc/mdstat can monitor the events of adding a spare disks
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9864c0053d3da4c5731ac8a6c4835179310bd40a;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

md: Using poll  /proc/mdstat can monitor the events of adding a spare disks

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

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9160463b5f68..734bc0996390 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5274,6 +5274,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 		if (mddev->degraded)
 			set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+		if (!err)
+			md_new_event(mddev);
 		md_wakeup_thread(mddev->thread);
 		return err;
 	}