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-rw-r--r--block/blk-core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index b8ffbfe85ca4..fa212348c4c9 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -574,7 +574,8 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
q->request_fn = rfn;
q->prep_rq_fn = NULL;
q->unplug_fn = generic_unplug_device;
- q->queue_flags = (1 << QUEUE_FLAG_CLUSTER);
+ q->queue_flags = (1 << QUEUE_FLAG_CLUSTER |
+ 1 << QUEUE_FLAG_STACKABLE);
q->queue_lock = lock;
blk_queue_segment_boundary(q, 0xffffffff);