From 4b26a08af92c0d9c0bce07612b56ff326112321a Mon Sep 17 00:00:00 2001
From: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Sat, 7 Jun 2014 00:52:29 -0500
Subject: [PATCH] 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>
---
drivers/md/md-cluster.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
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);
--
2.30.9