MD: generate an event when array sync is complete

This patch causes MD to generate an event (for device-mapper) when the
synchronization thread is reaped.  This is expected behavior for device-mapper.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2a3205053b2a..7caa096d02f6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7130,6 +7130,8 @@ static void reap_sync_thread(mddev_t *mddev)
         set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
         sysfs_notify_dirent_safe(mddev->sysfs_action);
         md_new_event(mddev);
+        if (mddev->event_work.func)
+                queue_work(md_misc_wq, &mddev->event_work);
 }
 
 /*