On 06/04/2017 11:35 PM, Goldwyn Rodrigues wrote:
> @@ -1900,6 +1905,17 @@ generic_make_request_checks(struct bio *bio)
> goto end_io;
> }
>
> + /*
> + * For a REQ_NOWAIT based request, return -EOPNOTSUPP
> + * if queue does not have QUEUE_FLAG_NOWAIT_SUPPORT set
> + * and if it is not a request based queue.
> + */
> +
> + if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_rq_based(q)) {
> + err = -EOPNOTSUPP;
> + goto end_io;
> + }
There is no QUEUE_FLAG_NOWAIT, this looks like a somewhat stale comment.
This patch should be prefixed with 'block', not 'fs'.
--
Jens Axboe
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