From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 12 Jun 2009 12:42:56 +0000 (+0200)
Subject: block: don't overwrite bdi->state after bdi_init() has been run
X-Git-Tag: firefly_0821_release~13903^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0989a025d2f4f9f51ea641bd26c563c53dc63f55;p=firefly-linux-kernel-4.4.55.git

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

Move the defaults to where we do the init of the backing_dev_info.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/block/blk-core.c b/block/blk-core.c
index f6452f692501..94d88fabc4bd 100644
--- 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);
diff --git a/block/blk-settings.c b/block/blk-settings.c
index d71cedc09c4e..138610b98956 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -129,10 +129,6 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
 	blk_queue_max_segment_size(q, MAX_SEGMENT_SIZE);
 
 	q->make_request_fn = mfn;
-	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;
 	blk_queue_max_sectors(q, SAFE_MAX_SECTORS);
 	blk_queue_logical_block_size(q, 512);
 	blk_queue_dma_alignment(q, 511);