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block: remove q->lld_busy_fn() 

Nobody is using the legacy path for blk_lld_busy() anymore, remove
it.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-10-29 10:22:19 -06:00
parent f664a3cc17
commit c6f2882691
3 changed files with 0 additions and 11 deletions
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2
block/blk-core.c
View File

@ -3429,8 +3429,6 @@ EXPORT_SYMBOL_GPL(rq_flush_dcache_pages);
*/
int blk_lld_busy(struct request_queue *q)
{
if (q->lld_busy_fn)
return q->lld_busy_fn(q);
if (q->mq_ops && q->mq_ops->busy)
return q->mq_ops->busy(q);

6
block/blk-settings.c
View File

@ -73,12 +73,6 @@ void blk_queue_rq_timed_out(struct request_queue *q, rq_timed_out_fn *fn)
}
EXPORT_SYMBOL_GPL(blk_queue_rq_timed_out);
void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn)
{
q->lld_busy_fn = fn;
}
EXPORT_SYMBOL_GPL(blk_queue_lld_busy);
/**
* blk_set_default_limits - reset limits to default values
* @lim: the queue_limits structure to reset

3
include/linux/blkdev.h
View File

@ -320,7 +320,6 @@ typedef void (unprep_rq_fn) (struct request_queue *, struct request *);
struct bio_vec;
typedef void (softirq_done_fn)(struct request *);
typedef int (dma_drain_needed_fn)(struct request *);
typedef int (lld_busy_fn) (struct request_queue *q);
typedef int (bsg_job_fn) (struct bsg_job *);
typedef int (init_rq_fn)(struct request_queue *, struct request *, gfp_t);
typedef void (exit_rq_fn)(struct request_queue *, struct request *);
@ -466,7 +465,6 @@ struct request_queue {
softirq_done_fn *softirq_done_fn;
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
lld_busy_fn *lld_busy_fn;
/* Called just after a request is allocated */
init_rq_fn *init_rq_fn;
/* Called just before a request is freed */
@ -1255,7 +1253,6 @@ extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
extern int blk_queue_dma_drain(struct request_queue *q,
dma_drain_needed_fn *dma_drain_needed,
void *buf, unsigned int size);
extern void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn);
extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
extern void blk_queue_virt_boundary(struct request_queue *, unsigned long);
extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn);