From: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Sat, 7 Jun 2014 05:52:29 +0000 (-0500)
Subject: Perform resync for cluster node failure
X-Git-Tag: v4.1-rc1~21^2~21^2~22
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b26a08af92c0d9c0bce07612b56ff326112321a;p=karo-tx-linux.git

Perform resync for cluster node failure

If bitmap_copy_slot returns hi>0, we need to perform resync.

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

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 1f82d0d731ae..d2987130be34 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -223,8 +223,18 @@ void recover_bitmaps(struct md_thread *thread)
 			goto clear_bit;
 		}
 		ret = bitmap_copy_from_slot(mddev, slot, &lo, &hi);
-		if (ret)
+		if (ret) {
 			pr_err("md-cluster: Could not copy data from bitmap %d\n", slot);
+			goto dlm_unlock;
+		}
+		if (hi > 0) {
+			/* TODO:Wait for current resync to get over */
+			set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+			if (lo < mddev->recovery_cp)
+				mddev->recovery_cp = lo;
+			md_check_recovery(mddev);
+		}
+dlm_unlock:
 		dlm_unlock_sync(bm_lockres);
 clear_bit:
 		clear_bit(slot, &cinfo->recovery_map);