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From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
Subject: [PATCH 15/23] io_uring: don't pass state to io_submit_state_end
Date: Fri, 24 Sep 2021 17:31:53 +0100	[thread overview]
Message-ID: <fa953e60221a21f83152d3b755cf197e4231f437.1632500264.git.asml.silence@gmail.com> (raw)
In-Reply-To: <cover.1632500264.git.asml.silence@gmail.com>

Submission state and ctx and coupled together, no need to passs

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 fs/io_uring.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 1d14d85377b5..26342ff481cb 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -7129,11 +7129,13 @@ static int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
 /*
  * Batched submission is done, ensure local IO is flushed out.
  */
-static void io_submit_state_end(struct io_submit_state *state,
-				struct io_ring_ctx *ctx)
+static void io_submit_state_end(struct io_ring_ctx *ctx)
 {
+	struct io_submit_state *state = &ctx->submit_state;
+
 	if (state->link.head)
 		io_queue_sqe(state->link.head);
+	/* flush only after queuing links as they can generate completions */
 	io_submit_flush_completions(ctx);
 	if (state->plug_started)
 		blk_finish_plug(&state->plug);
@@ -7236,7 +7238,7 @@ static int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr)
 		percpu_ref_put_many(&ctx->refs, unused);
 	}
 
-	io_submit_state_end(&ctx->submit_state, ctx);
+	io_submit_state_end(ctx);
 	 /* Commit SQ ring head once we've consumed and submitted all SQEs */
 	io_commit_sqring(ctx);
 
-- 
2.33.0


  parent reply	other threads:[~2021-09-24 16:36 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 16:31 [RFC][PATCHSET 00/23] rework/optimise submission+completion paths Pavel Begunkov
2021-09-24 16:31 ` [PATCH 01/23] io_uring: mark having different creds unlikely Pavel Begunkov
2021-09-24 16:31 ` [PATCH 02/23] io_uring: force_nonspin Pavel Begunkov
2021-09-24 16:31 ` [PATCH 03/23] io_uring: make io_do_iopoll return number of reqs Pavel Begunkov
2021-09-24 16:31 ` [PATCH 04/23] io_uring: use slist for completion batching Pavel Begunkov
2021-09-24 16:31 ` [PATCH 05/23] io_uring: remove allocation cache array Pavel Begunkov
2021-09-24 16:31 ` [PATCH 06/23] io-wq: add io_wq_work_node based stack Pavel Begunkov
2021-09-24 16:31 ` [PATCH 07/23] io_uring: replace list with stack for req caches Pavel Begunkov
2021-09-24 16:31 ` [PATCH 08/23] io_uring: split iopoll loop Pavel Begunkov
2021-09-24 16:31 ` [PATCH 09/23] io_uring: use single linked list for iopoll Pavel Begunkov
2021-09-24 16:31 ` [PATCH 10/23] io_uring: add a helper for batch free Pavel Begunkov
2021-09-24 16:31 ` [PATCH 11/23] io_uring: convert iopoll_completed to store_release Pavel Begunkov
2021-09-24 16:31 ` [PATCH 12/23] io_uring: optimise batch completion Pavel Begunkov
2021-09-24 16:31 ` [PATCH 13/23] io_uring: inline completion batching helpers Pavel Begunkov
2021-09-24 16:31 ` [PATCH 14/23] io_uring: don't pass tail into io_free_batch_list Pavel Begunkov
2021-09-24 16:31 ` Pavel Begunkov [this message]
2021-09-24 16:31 ` [PATCH 16/23] io_uring: deduplicate io_queue_sqe() call sites Pavel Begunkov
2021-09-24 16:31 ` [PATCH 17/23] io_uring: remove drain_active check from hot path Pavel Begunkov
2021-09-24 16:31 ` [PATCH 18/23] io_uring: split slow path from io_queue_sqe Pavel Begunkov
2021-09-24 16:31 ` [PATCH 19/23] io_uring: inline hot path of __io_queue_sqe() Pavel Begunkov
2021-09-24 16:31 ` [PATCH 20/23] io_uring: reshuffle queue_sqe completion handling Pavel Begunkov
2021-09-24 16:31 ` [PATCH 21/23] io_uring: restructure submit sqes to_submit checks Pavel Begunkov
2021-09-24 16:32 ` [PATCH 22/23] io_uring: kill off ->inflight_entry field Pavel Begunkov
2021-09-24 16:32 ` [PATCH 23/23] io_uring: comment why inline complete calls io_clean_op() Pavel Begunkov

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