提交 b238b3d4 编写于 作者: J Jerome Marchand 提交者: Jens Axboe

block layer: remove a unused argument of drive_stat_acct()

The nr_sector argument of drive_stat_acct() is not used anymore since the read and write sectors statistics are now updated in end_that_request_first(). This patch removes the useless argument.
Signed-off-by: NJerome Marchand <jmarchan@redhat.com>
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
上级 2a397e82
......@@ -39,7 +39,7 @@
static void blk_unplug_work(struct work_struct *work);
static void blk_unplug_timeout(unsigned long data);
static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io);
static void drive_stat_acct(struct request *rq, int new_io);
static void init_request_from_bio(struct request *req, struct bio *bio);
static int __make_request(struct request_queue *q, struct bio *bio);
static struct io_context *current_io_context(gfp_t gfp_flags, int node);
......@@ -2341,7 +2341,7 @@ void blk_insert_request(struct request_queue *q, struct request *rq,
if (blk_rq_tagged(rq))
blk_queue_end_tag(q, rq);
drive_stat_acct(rq, rq->nr_sectors, 1);
drive_stat_acct(rq, 1);
__elv_add_request(q, rq, where, 0);
blk_start_queueing(q);
spin_unlock_irqrestore(q->queue_lock, flags);
......@@ -2736,7 +2736,7 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
EXPORT_SYMBOL(blkdev_issue_flush);
static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io)
static void drive_stat_acct(struct request *rq, int new_io)
{
int rw = rq_data_dir(rq);
......@@ -2758,7 +2758,7 @@ static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io)
*/
static inline void add_request(struct request_queue * q, struct request * req)
{
drive_stat_acct(req, req->nr_sectors, 1);
drive_stat_acct(req, 1);
/*
* elevator indicated where it wants this request to be
......@@ -3015,7 +3015,7 @@ static int __make_request(struct request_queue *q, struct bio *bio)
req->biotail = bio;
req->nr_sectors = req->hard_nr_sectors += nr_sectors;
req->ioprio = ioprio_best(req->ioprio, prio);
drive_stat_acct(req, nr_sectors, 0);
drive_stat_acct(req, 0);
if (!attempt_back_merge(q, req))
elv_merged_request(q, req, el_ret);
goto out;
......@@ -3042,7 +3042,7 @@ static int __make_request(struct request_queue *q, struct bio *bio)
req->sector = req->hard_sector = bio->bi_sector;
req->nr_sectors = req->hard_nr_sectors += nr_sectors;
req->ioprio = ioprio_best(req->ioprio, prio);
drive_stat_acct(req, nr_sectors, 0);
drive_stat_acct(req, 0);
if (!attempt_front_merge(q, req))
elv_merged_request(q, req, el_ret);
goto out;
......
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