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bsg: move bsg-lib parts outside of request queue

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Get rid of the special bsg job fn and timeout handler, move them
into a private bsg_set instead.

Mostly from Christoph, with fixes for error handling and cleanups.

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 09:47:17 -06:00
parent 4316b79e43
commit 1028e4b335
3 changed files with 31 additions and 22 deletions
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5
include/linux/blkdev.h
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@@ -312,7 +312,6 @@ typedef bool (poll_q_fn) (struct request_queue *q, blk_qc_t);
struct bio_vec;
typedef void (softirq_done_fn)(struct request *);
typedef int (dma_drain_needed_fn)(struct request *);
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 *);
@@ -321,8 +320,6 @@ enum blk_eh_timer_return {
BLK_EH_RESET_TIMER, /* reset timer and try again */
};
typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *);
enum blk_queue_state {
Queue_down,
Queue_up,
@@ -598,8 +595,6 @@ struct request_queue {
atomic_t mq_freeze_depth;
#if defined(CONFIG_BLK_DEV_BSG)
bsg_job_fn *bsg_job_fn;
rq_timed_out_fn *bsg_job_timeout_fn;
struct bsg_class_device bsg_dev;
#endif