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-rw-r--r--block/blk-core.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index f6452f69250..b06cf5c2a82 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -26,7 +26,6 @@
#include <linux/swap.h>
#include <linux/writeback.h>
#include <linux/task_io_accounting_ops.h>
-#include <linux/blktrace_api.h>
#include <linux/fault-inject.h>
#define CREATE_TRACE_POINTS
@@ -498,6 +497,11 @@ 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);