diff options
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 881fe44ec7da..f0834e2f5727 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -64,15 +64,13 @@ static void drive_stat_acct(struct request *rq, int new_io) return; cpu = part_stat_lock(); + part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq)); - if (!new_io) { - part = rq->part; + if (!new_io) part_stat_inc(cpu, part, merges[rw]); - } else { - part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq)); + else { part_round_stats(cpu, part); part_inc_in_flight(part, rw); - rq->part = part; } part_stat_unlock(); @@ -130,7 +128,6 @@ void blk_rq_init(struct request_queue *q, struct request *rq) rq->ref_count = 1; rq->start_time = jiffies; set_start_time_ns(rq); - rq->part = NULL; } EXPORT_SYMBOL(blk_rq_init); @@ -805,16 +802,11 @@ static struct request *get_request(struct request_queue *q, int rw_flags, rl->starved[is_sync] = 0; priv = !test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags); - if (priv) { + if (priv) rl->elvpriv++; - /* - * Don't do stats for non-priv requests - */ - if (blk_queue_io_stat(q)) - rw_flags |= REQ_IO_STAT; - } - + if (blk_queue_io_stat(q)) + rw_flags |= REQ_IO_STAT; spin_unlock_irq(q->queue_lock); rq = blk_alloc_request(q, rw_flags, priv, gfp_mask); @@ -1791,7 +1783,7 @@ static void blk_account_io_completion(struct request *req, unsigned int bytes) int cpu; cpu = part_stat_lock(); - part = req->part; + part = disk_map_sector_rcu(req->rq_disk, blk_rq_pos(req)); part_stat_add(cpu, part, sectors[rw], bytes >> 9); part_stat_unlock(); } @@ -1811,7 +1803,7 @@ static void blk_account_io_done(struct request *req) int cpu; cpu = part_stat_lock(); - part = req->part; + part = disk_map_sector_rcu(req->rq_disk, blk_rq_pos(req)); part_stat_inc(cpu, part, ios[rw]); part_stat_add(cpu, part, ticks[rw], duration); |