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block: kill legacy parts of timeout handling

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The only user of legacy timing now is BSG, which is invoked
from the mq timeout handler. Kill the legacy code, and rename
the q->rq_timed_out_fn to q->bsg_job_timeout_fn.

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 10:25:07 -06:00
parent 92bc5a2484
commit 4316b79e43
6 changed files with 11 additions and 107 deletions
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4
include/linux/blkdev.h
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@@ -441,7 +441,6 @@ struct request_queue {
make_request_fn *make_request_fn;
poll_q_fn *poll_fn;
softirq_done_fn *softirq_done_fn;
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
/* Called just after a request is allocated */
init_rq_fn *init_rq_fn;
@@ -541,7 +540,6 @@ struct request_queue {
struct timer_list timeout;
struct work_struct timeout_work;
struct list_head timeout_list;
struct list_head icq_list;
#ifdef CONFIG_BLK_CGROUP
@@ -601,6 +599,7 @@ struct request_queue {
#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
@@ -1156,7 +1155,6 @@ extern void blk_queue_virt_boundary(struct request_queue *, unsigned long);
extern void blk_queue_dma_alignment(struct request_queue *, int);
extern void blk_queue_update_dma_alignment(struct request_queue *, int);
extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern void blk_queue_write_cache(struct request_queue *q, bool enabled, bool fua);