block: remove generic_{start,end}_io_acct

Remove these now unused functions.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/bio.c

@@ -1392,45 +1392,6 @@ void update_io_ticks(struct hd_struct *part, unsigned long now, bool end)
 	}
 }
 
-void generic_start_io_acct(struct request_queue *q, int op,
-			   unsigned long sectors, struct hd_struct *part)
-{
-	const int sgrp = op_stat_group(op);
-	int rw = op_is_write(op);
-
-	part_stat_lock();
-
-	update_io_ticks(part, jiffies, false);
-	part_stat_inc(part, ios[sgrp]);
-	part_stat_add(part, sectors[sgrp], sectors);
-	part_stat_local_inc(part, in_flight[rw]);
-	if (part->partno)
-		part_stat_local_inc(&part_to_disk(part)->part0, in_flight[rw]);
-
-	part_stat_unlock();
-}
-EXPORT_SYMBOL(generic_start_io_acct);
-
-void generic_end_io_acct(struct request_queue *q, int req_op,
-			 struct hd_struct *part, unsigned long start_time)
-{
-	unsigned long now = jiffies;
-	unsigned long duration = now - start_time;
-	const int sgrp = op_stat_group(req_op);
-	int rw = op_is_write(req_op);
-
-	part_stat_lock();
-
-	update_io_ticks(part, now, true);
-	part_stat_add(part, nsecs[sgrp], jiffies_to_nsecs(duration));
-	part_stat_local_dec(part, in_flight[rw]);
-	if (part->partno)
-		part_stat_local_dec(&part_to_disk(part)->part0, in_flight[rw]);
-
-	part_stat_unlock();
-}
-EXPORT_SYMBOL(generic_end_io_acct);
-
 static inline bool bio_remaining_done(struct bio *bio)
 {
 	/*

include/linux/bio.h

@@ -444,12 +444,6 @@ void bio_release_pages(struct bio *bio, bool mark_dirty);
 extern void bio_set_pages_dirty(struct bio *bio);
 extern void bio_check_pages_dirty(struct bio *bio);
 
-void generic_start_io_acct(struct request_queue *q, int op,
-				unsigned long sectors, struct hd_struct *part);
-void generic_end_io_acct(struct request_queue *q, int op,
-				struct hd_struct *part,
-				unsigned long start_time);
-
 extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
 			       struct bio *src, struct bvec_iter *src_iter);
 extern void bio_copy_data(struct bio *dst, struct bio *src);