1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 8fa3277f72d..2ef497d1848 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1307,6 +1307,9 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
                 PRINTK(KERN_DEBUG "dec write-behind count %d/%d\n",
                   atomic_read(&bitmap->behind_writes), bitmap->max_write_behind);
         }
+        if (bitmap->mddev->degraded)
+                /* Never clear bits or update events_cleared when degraded */
+                success = 0;
 
         while (sectors) {
                 int blocks;