The backing device information only makes sense for file system I/O, and thus belongs into the gendisk and not the lower level request_queue structure. Move it there.
Showing the changes to include/linux/blkdev.h (1 of 14 files). Show all
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| @@ -11,7 +11,6 @@ · 10 unmodified lines | ||
| 11 | 11 | #include <linux/minmax.h> |
| 12 | 12 | #include <linux/timer.h> |
| 13 | 13 | #include <linux/workqueue.h> |
| 14 | −#include <linux/backing-dev-defs.h> | |
| 15 | 14 | #include <linux/wait.h> |
| 16 | 15 | #include <linux/mempool.h> |
| 17 | 16 | #include <linux/pfn.h> |
| @@ -398,8 +397,6 @@ struct request_queue { · 380 unmodified lines | ||
| 398 | 397 | struct blk_mq_hw_ctx **queue_hw_ctx; |
| 399 | 398 | unsigned int nr_hw_queues; |
| 400 | 399 | |
| 401 | − struct backing_dev_info *backing_dev_info; | |
| 402 | − | |
| 403 | 400 | /* |
| 404 | 401 | * The queue owner gets to use this for whatever they like. |
| 405 | 402 | * ll_rw_blk doesn't touch it. |