linux-kernel - [PATCH 2/9] io-wq: change argument of create_io

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Date:   Fri, 29 Apr 2022 18:18:51 +0800
From:   Hao Xu <haoxu.linux@...il.com>
To:     io-uring@...r.kernel.org
Cc:     Jens Axboe <axboe@...nel.dk>,
        Pavel Begunkov <asml.silence@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] io-wq: change argument of create_io_worker() for convienence

From: Hao Xu <howeyxu@...cent.com>

Change index to acct itself for create_io_worker() for convienence in
the next patches.

Signed-off-by: Hao Xu <howeyxu@...cent.com>
---
 fs/io-wq.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 0c26805ca6de..35ce622f77ba 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -139,7 +139,8 @@ struct io_cb_cancel_data {
 	bool cancel_all;
 };
 
-static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index);
+static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe,
+			     struct io_wqe_acct *acct);
 static void io_wqe_dec_running(struct io_worker *worker);
 static bool io_acct_cancel_pending_work(struct io_wqe *wqe,
 					struct io_wqe_acct *acct,
@@ -306,7 +307,7 @@ static bool io_wqe_create_worker(struct io_wqe *wqe, struct io_wqe_acct *acct)
 	raw_spin_unlock(&wqe->lock);
 	atomic_inc(&acct->nr_running);
 	atomic_inc(&wqe->wq->worker_refs);
-	return create_io_worker(wqe->wq, wqe, acct->index);
+	return create_io_worker(wqe->wq, wqe, acct);
 }
 
 static void io_wqe_inc_running(struct io_worker *worker)
@@ -335,7 +336,7 @@ static void create_worker_cb(struct callback_head *cb)
 	}
 	raw_spin_unlock(&wqe->lock);
 	if (do_create) {
-		create_io_worker(wq, wqe, worker->create_index);
+		create_io_worker(wq, wqe, acct);
 	} else {
 		atomic_dec(&acct->nr_running);
 		io_worker_ref_put(wq);
@@ -812,9 +813,10 @@ static void io_workqueue_create(struct work_struct *work)
 		kfree(worker);
 }
 
-static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index)
+static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe,
+			     struct io_wqe_acct *acct)
 {
-	struct io_wqe_acct *acct = &wqe->acct[index];
+	int index = acct->index;
 	struct io_worker *worker;
 	struct task_struct *tsk;
 
-- 
2.36.0