X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=block%2Fblk-core.c;h=b06cf5c2a829c49a17dc4a23ab4421d8933b3401;hb=5caf5c7dc2d303b770e426f7e2238df882f1773b;hp=f6452f692501a00f13684a73fd74248e878d79cd;hpb=1904187a694713b80d74186fe058377b067cc195;p=firefly-linux-kernel-4.4.55.git

diff --git a/block/blk-core.c b/block/blk-core.c
index f6452f692501..b06cf5c2a829 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);