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 51e8552be73a0d2e25153ae38bc6aeafdca16688..58eadc06a1b64aac16930f62724859d742238e08 100644 (file)
--- 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)