Re: [PATCH] block: account statistics for passthrough requests

From: Jens Axboe
Date: Thu Oct 10 2019 - 19:52:24 EST


On 10/10/19 5:36 PM, Logan Gunthorpe wrote:
> Presently, passthrough requests are not accounted for because
> blk_do_io_stat() expressly rejects them. Based on some digging
> in the history, this doesn't seem like a concious decision but
> one that evolved from the change from blk_fs_request() to
> blk_rq_is_passthrough().
>
> To support this, call blk_account_io_start() in blk_execute_rq_nowait()
> and remove the passthrough check in blk_do_io_stat().

Looks good to me, applied.

--
Jens Axboe