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-rw-r--r--drivers/block/drbd/drbd_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8f84a9f58c9..b1ce5dc7c60 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -840,7 +840,12 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
break;
case C_WF_BITMAP_S:
case C_PAUSED_SYNC_S:
- ns.pdsk = os.pdsk > D_OUTDATED ? D_OUTDATED : os.pdsk;
+ /* remap any consistent state to D_OUTDATED,
+ * but disallow "upgrade" of not even consistent states.
+ */
+ ns.pdsk =
+ (D_DISKLESS < os.pdsk && os.pdsk < D_OUTDATED)
+ ? os.pdsk : D_OUTDATED;
break;
case C_SYNC_SOURCE:
ns.pdsk = D_INCONSISTENT;