Thread (13 messages) 13 messages, 2 authors, 2022-02-09

Re: [RFC PATCH 3/7] block: allow to bypass bio check before submitting bio

From: Ming Lei <hidden>
Date: 2022-02-09 08:13:19

On Mon, Jan 17, 2022 at 12:21:37AM -0800, Christoph Hellwig wrote:
quoted
  * systems and other upper level users of the block layer should use
  * submit_bio() instead.
  */
-void submit_bio_noacct(struct bio *bio)
+void __submit_bio_noacct(struct bio *bio, bool check)
 {
-	if (unlikely(!submit_bio_checks(bio)))
+	if (unlikely(check && !submit_bio_checks(bio)))
 		return;
This doesn't make sense as an API - you can just move the checks
into the caller that pass check=true.
But submit_bio_checks() is local helper, and it is hard to make it
public to drivers. Not mention there are lots of callers to
submit_bio_noacct().


Thanks,
Ming
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