From: Hao Xu <haoxu@linux.alibaba.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>,
Joseph Qi <joseph.qi@linux.alibaba.com>
Subject: [PATCH 4/8] io_uring: split io_req_complete_post() and add a helper
Date: Wed, 27 Oct 2021 22:02:12 +0800 [thread overview]
Message-ID: <20211027140216.20008-5-haoxu@linux.alibaba.com> (raw)
In-Reply-To: <20211027140216.20008-1-haoxu@linux.alibaba.com>
Split io_req_complete_post(), this is a prep for the next patch.
Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
---
fs/io_uring.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 98abf94b2015..3c621798dd2f 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1818,12 +1818,11 @@ static noinline bool io_cqring_fill_event(struct io_ring_ctx *ctx, u64 user_data
return __io_cqring_fill_event(ctx, user_data, res, cflags);
}
-static void io_req_complete_post(struct io_kiocb *req, s32 res,
+static void __io_req_complete_post(struct io_kiocb *req, s32 res,
u32 cflags)
{
struct io_ring_ctx *ctx = req->ctx;
- spin_lock(&ctx->completion_lock);
__io_cqring_fill_event(ctx, req->user_data, res, cflags);
/*
* If we're the last reference to this request, add to our locked
@@ -1844,6 +1843,15 @@ static void io_req_complete_post(struct io_kiocb *req, s32 res,
wq_list_add_head(&req->comp_list, &ctx->locked_free_list);
ctx->locked_free_nr++;
}
+}
+
+static void io_req_complete_post(struct io_kiocb *req, long res,
+ unsigned int cflags)
+{
+ struct io_ring_ctx *ctx = req->ctx;
+
+ spin_lock(&ctx->completion_lock);
+ __io_req_complete_post(req, res, cflags);
io_commit_cqring(ctx);
spin_unlock(&ctx->completion_lock);
io_cqring_ev_posted(ctx);
--
2.24.4
next prev parent reply other threads:[~2021-10-27 14:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-27 14:02 [PATCH for-5.16 v3 0/8] task work optimization Hao Xu
2021-10-27 14:02 ` [PATCH 1/8] io-wq: add helper to merge two wq_lists Hao Xu
2021-10-27 14:02 ` [PATCH 2/8] io_uring: add a priority tw list for irq completion work Hao Xu
2021-10-27 14:02 ` [PATCH 3/8] io_uring: add helper for task work execution code Hao Xu
2021-10-27 14:02 ` Hao Xu [this message]
2021-10-27 14:02 ` [PATCH 5/8] io_uring: move up io_put_kbuf() and io_put_rw_kbuf() Hao Xu
2021-10-27 14:02 ` [PATCH 6/8] io_uring: add nr_ctx to record the number of ctx in a task Hao Xu
2021-10-28 6:27 ` Hao Xu
2021-10-27 14:02 ` [PATCH 7/8] io_uring: batch completion in prior_task_list Hao Xu
2021-10-27 14:02 ` [PATCH 8/8] io_uring: add limited number of TWs to priority task list Hao Xu
2021-10-27 16:39 ` [PATCH for-5.16 v3 0/8] task work optimization Hao Xu
2021-10-27 18:15 ` Pavel Begunkov
2021-10-28 6:07 ` Hao Xu
2021-10-28 11:46 ` Hao Xu
2021-10-28 19:08 ` Pavel Begunkov
2021-10-29 6:18 ` Hao Xu
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