diff --git a/fs/dcache.c b/fs/dcache.c
index b813528fb147..6ebccba33336 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3061,7 +3061,10 @@ static enum d_walk_ret d_genocide_kill(void *data, struct dentry *dentry)
 		if (d_unhashed(dentry) || !dentry->d_inode)
 			return D_WALK_SKIP;
 
-		dentry->d_lockref.count--;
+		if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
+			dentry->d_flags |= DCACHE_GENOCIDE;
+			dentry->d_lockref.count--;
+		}
 	}
 	return D_WALK_CONTINUE;
 }
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 1666c387861f..d07cf2f1bb7d 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -173,6 +173,7 @@ struct dentry_operations {
 #define DCACHE_DONTCACHE		BIT(7) /* Purge from memory on final dput() */
 
 #define DCACHE_CANT_MOUNT		BIT(8)
+#define DCACHE_GENOCIDE			BIT(9)
 #define DCACHE_SHRINK_LIST		BIT(10)
 
 #define DCACHE_OP_WEAK_REVALIDATE	BIT(11)