diff --git a/block/blk-core.c b/block/blk-core.c index ca69f3d94100..29bcfac6c688 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -69,7 +69,7 @@ static void drive_stat_acct(struct request *rq, int new_io) int rw = rq_data_dir(rq); int cpu; - if (!blk_fs_request(rq) || !disk || !blk_queue_io_stat(disk->queue)) + if (!blk_fs_request(rq) || !disk || !blk_do_io_stat(disk->queue)) return; cpu = part_stat_lock(); @@ -1667,7 +1667,7 @@ static void blk_account_io_completion(struct request *req, unsigned int bytes) { struct gendisk *disk = req->rq_disk; - if (!disk || !blk_queue_io_stat(disk->queue)) + if (!disk || !blk_do_io_stat(disk->queue)) return; if (blk_fs_request(req)) { @@ -1686,7 +1686,7 @@ static void blk_account_io_done(struct request *req) { struct gendisk *disk = req->rq_disk; - if (!disk || !blk_queue_io_stat(disk->queue)) + if (!disk || !blk_do_io_stat(disk->queue)) return; /* diff --git a/block/blk.h b/block/blk.h index 6e1ed40534e9..0dce92c37496 100644 --- a/block/blk.h +++ b/block/blk.h @@ -108,4 +108,12 @@ static inline int blk_cpu_to_group(int cpu) #endif } +static inline int blk_do_io_stat(struct request_queue *q) +{ + if (q) + return blk_queue_io_stat(q); + + return 0; +} + #endif