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Subject[PATCH 03/16] rsxx: use bio_{start,end}_io_acct
Date
Switch rsxx to use the nicer bio accounting helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
---
drivers/block/rsxx/dev.c | 19 ++-----------------
1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c
index 8ffa8260dcafe..3ba07ab30c84f 100644
--- a/drivers/block/rsxx/dev.c
+++ b/drivers/block/rsxx/dev.c
@@ -96,20 +96,6 @@ static const struct block_device_operations rsxx_fops = {
.ioctl = rsxx_blkdev_ioctl,
};

-static void disk_stats_start(struct rsxx_cardinfo *card, struct bio *bio)
-{
- generic_start_io_acct(card->queue, bio_op(bio), bio_sectors(bio),
- &card->gendisk->part0);
-}
-
-static void disk_stats_complete(struct rsxx_cardinfo *card,
- struct bio *bio,
- unsigned long start_time)
-{
- generic_end_io_acct(card->queue, bio_op(bio),
- &card->gendisk->part0, start_time);
-}
-
static void bio_dma_done_cb(struct rsxx_cardinfo *card,
void *cb_data,
unsigned int error)
@@ -121,7 +107,7 @@ static void bio_dma_done_cb(struct rsxx_cardinfo *card,

if (atomic_dec_and_test(&meta->pending_dmas)) {
if (!card->eeh_state && card->gendisk)
- disk_stats_complete(card, meta->bio, meta->start_time);
+ bio_end_io_acct(meta->bio, meta->start_time);

if (atomic_read(&meta->error))
bio_io_error(meta->bio);
@@ -167,10 +153,9 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
bio_meta->bio = bio;
atomic_set(&bio_meta->error, 0);
atomic_set(&bio_meta->pending_dmas, 0);
- bio_meta->start_time = jiffies;

if (!unlikely(card->halt))
- disk_stats_start(card, bio);
+ bio_meta->start_time = bio_start_io_acct(bio);

dev_dbg(CARD_TO_DEV(card), "BIO[%c]: meta: %p addr8: x%llx size: %d\n",
bio_data_dir(bio) ? 'W' : 'R', bio_meta,
--
2.26.2
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