[PATCH 09/16] block: remove generic_{start,end}_io_acct

From: Christoph Hellwig
Date: Mon May 25 2020 - 07:31:34 EST


Remove these now unused functions.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/bio.c | 39 ---------------------------------------
include/linux/bio.h | 6 ------
2 files changed, 45 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 9c101a0572ca2..3e89c7b37855a 100644
--- a/block/bio.c
+++ b/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)
{
/*
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 950c9dc44c4f2..941378ec5b39f 100644
--- a/include/linux/bio.h
+++ b/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);
--
2.26.2