block: don't overwrite bdi->state after bdi_init() has been run

[mirror_ubuntu-bionic-kernel.git] / block / blk-core.c

diff --git a/block/blk-core.c b/block/blk-core.c
index f6452f692501a00f13684a73fd74248e878d79cd..94d88fabc4bde21b2144952b24dd62888e8822fe 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -498,6 +498,11 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 
        q->backing_dev_info.unplug_io_fn = blk_backing_dev_unplug;
        q->backing_dev_info.unplug_io_data = q;
+       q->backing_dev_info.ra_pages =
+                       (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
+       q->backing_dev_info.state = 0;
+       q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
+
        err = bdi_init(&q->backing_dev_info);
        if (err) {
                kmem_cache_free(blk_requestq_cachep, q);