diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index a1989c0c47f1..ac34b47e44d1 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -935,8 +935,11 @@ void bch_sectors_dirty_init(struct bcache_device *d)
 		op.count = 0;
 
 		for_each_key_filter(&c->root->keys,
-				    k, &iter, bch_ptr_invalid)
+				    k, &iter, bch_ptr_invalid) {
+			if (KEY_INODE(k) != op.inode)
+				continue;
 			sectors_dirty_init_fn(&op.op, c->root, k);
+		}
 
 		rw_unlock(0, c->root);
 		return;