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block: Remove elevator_change()

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Since commit 8425339492 ("remove the mg_disk driver") removed the
only caller of elevator_change(), also remove the elevator_change()
function itself.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Bart Van Assche 2017-05-01 08:58:49 -07:00 committed by Jens Axboe
parent 08c521a201
commit c033269490
2 changed files with 0 additions and 14 deletions
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13
block/elevator.c
View File

@ -1088,19 +1088,6 @@ static int __elevator_change(struct request_queue *q, const char *name)
return elevator_switch(q, e);
}
int elevator_change(struct request_queue *q, const char *name)
{
int ret;
/* Protect q->elevator from elevator_init() */
mutex_lock(&q->sysfs_lock);
ret = __elevator_change(q, name);
mutex_unlock(&q->sysfs_lock);
return ret;
}
EXPORT_SYMBOL(elevator_change);
static inline bool elv_support_iosched(struct request_queue *q)
{
if (q->mq_ops && q->tag_set && (q->tag_set->flags &

1
include/linux/elevator.h
View File

@ -214,7 +214,6 @@ extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
extern int elevator_init(struct request_queue *, char *);
extern void elevator_exit(struct request_queue *, struct elevator_queue *);
extern int elevator_change(struct request_queue *, const char *);
extern bool elv_bio_merge_ok(struct request *, struct bio *);
extern struct elevator_queue *elevator_alloc(struct request_queue *,
struct elevator_type *);