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Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 25572802dac..3688abff243 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -64,12 +64,11 @@ static struct workqueue_struct *kblockd_workqueue;
static void drive_stat_acct(struct request *rq, int new_io)
{
- struct gendisk *disk = rq->rq_disk;
struct hd_struct *part;
int rw = rq_data_dir(rq);
int cpu;
- if (!blk_fs_request(rq) || !disk || !blk_do_io_stat(disk->queue))
+ if (!blk_fs_request(rq) || !blk_do_io_stat(rq))
return;
cpu = part_stat_lock();
@@ -1675,9 +1674,7 @@ EXPORT_SYMBOL(blkdev_dequeue_request);
static void blk_account_io_completion(struct request *req, unsigned int bytes)
{
- struct gendisk *disk = req->rq_disk;
-
- if (!disk || !blk_do_io_stat(disk->queue))
+ if (!blk_do_io_stat(req))
return;
if (blk_fs_request(req)) {
@@ -1694,9 +1691,7 @@ static void blk_account_io_completion(struct request *req, unsigned int bytes)
static void blk_account_io_done(struct request *req)
{
- struct gendisk *disk = req->rq_disk;
-
- if (!disk || !blk_do_io_stat(disk->queue))
+ if (!blk_do_io_stat(req))
return;
/*
@@ -1711,7 +1706,7 @@ static void blk_account_io_done(struct request *req)
int cpu;
cpu = part_stat_lock();
- part = disk_map_sector_rcu(disk, req->sector);
+ part = disk_map_sector_rcu(req->rq_disk, req->sector);
part_stat_inc(cpu, part, ios[rw]);
part_stat_add(cpu, part, ticks[rw], duration);