From: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Fri, 9 Oct 2015 16:27:01 +0000 (-0500)
Subject: md-cluster: Wake up suspended process
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b8ca846e45197a2de829def27254f833a998723e;p=linux-beck.git

md-cluster: Wake up suspended process

When the suspended_area is deleted, the suspended processes
must be woken up in order to complete their I/O.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
---

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 51e8552be73a..58eadc06a1b6 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -366,11 +366,13 @@ static void __remove_suspend_info(struct md_cluster_info *cinfo, int slot)
 		}
 }
 
-static void remove_suspend_info(struct md_cluster_info *cinfo, int slot)
+static void remove_suspend_info(struct mddev *mddev, int slot)
 {
+	struct md_cluster_info *cinfo = mddev->cluster_info;
 	spin_lock_irq(&cinfo->suspend_lock);
 	__remove_suspend_info(cinfo, slot);
 	spin_unlock_irq(&cinfo->suspend_lock);
+	mddev->pers->quiesce(mddev, 2);
 }
 
 
@@ -381,7 +383,7 @@ static void process_suspend_info(struct mddev *mddev,
 	struct suspend_info *s;
 
 	if (!hi) {
-		remove_suspend_info(cinfo, slot);
+		remove_suspend_info(mddev, slot);
 		return;
 	}
 	s = kzalloc(sizeof(struct suspend_info), GFP_KERNEL);
@@ -397,6 +399,7 @@ static void process_suspend_info(struct mddev *mddev,
 	__remove_suspend_info(cinfo, slot);
 	list_add(&s->list, &cinfo->suspend_list);
 	spin_unlock_irq(&cinfo->suspend_lock);
+	mddev->pers->quiesce(mddev, 2);
 }
 
 static void process_add_new_disk(struct mddev *mddev, struct cluster_msg *cmsg)