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block: Use pointer to backing_dev_info from request_queue

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We will want to have struct backing_dev_info allocated separately from
struct request_queue. As the first step add pointer to backing_dev_info
to request_queue and convert all users touching it. No functional
changes in this patch.

Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jan Kara 2017-02-02 15:56:50 +01:00 • committed by Jens Axboe
commit dc3b17cc8b
33 changed files with 90 additions and 86 deletions
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2
block/genhd.c
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@ -613,7 +613,7 @@ void device_add_disk(struct device *parent, struct gendisk *disk)
disk_alloc_events(disk);
/* Register BDI before referencing it from bdev */
bdi = &disk->queue->backing_dev_info;
bdi = disk->queue->backing_dev_info;
bdi_register_owner(bdi, disk_to_dev(disk));
blk_register_region(disk_devt(disk), disk->minors, NULL,