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blk-mq: remove alloc_hctx and free_hctx methods

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There is no need for drivers to control hardware context allocation
now that we do the context to node mapping in common code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2014-05-28 18:11:06 +02:00
committed by Jens Axboe
parent 75bb4625bb
commit cdef54dd85
4 changed files with 6 additions and 60 deletions
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10
include/linux/blk-mq.h
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@@ -79,9 +79,6 @@ struct blk_mq_tag_set {
typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, struct request *);
typedef struct blk_mq_hw_ctx *(map_queue_fn)(struct request_queue *, const int);
typedef struct blk_mq_hw_ctx *(alloc_hctx_fn)(struct blk_mq_tag_set *,
unsigned int, int);
typedef void (free_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int);
typedef int (init_hctx_fn)(struct blk_mq_hw_ctx *, void *, unsigned int);
typedef void (exit_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int);
typedef int (init_request_fn)(void *, struct request *, unsigned int,
@@ -107,12 +104,6 @@ struct blk_mq_ops {
softirq_done_fn *complete;
/*
* Override for hctx allocations (should probably go)
*/
alloc_hctx_fn *alloc_hctx;
free_hctx_fn *free_hctx;
/*
* Called when the block layer side of a hardware queue has been
* set up, allowing the driver to allocate/init matching structures.
@@ -166,7 +157,6 @@ struct request *blk_mq_tag_to_rq(struct blk_mq_tags *tags, unsigned int tag);
struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index);
struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *, unsigned int, int);
void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *, unsigned int);
void blk_mq_end_io(struct request *rq, int error);
void __blk_mq_end_io(struct request *rq, int error);