Reload superblock if METADATA_UPDATED is received

Re-reads the devices by invalidating the cache.
Since we don't write to faulty devices, this is detected using
events recorded in the devices. If it is old as compared to the mddev
mark it is faulty.

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

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 5db4910..7e419f0 100644 (file)
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -320,6 +320,7 @@ static void process_recvd_msg(struct mddev *mddev, struct cluster_msg *msg)
        case METADATA_UPDATED:
                pr_info("%s: %d Received message: METADATA_UPDATE from %d\n",
                        __func__, __LINE__, msg->slot);
+               md_reload_sb(mddev);
                break;
        case RESYNCING:
                pr_info("%s: %d Received message: RESYNCING from %d\n",

diff --cc drivers/md/md.c
Simple merge

diff --cc drivers/md/md.h
Simple merge