[PATCH AUTOSEL 5.9 09/35] io_uring: don't miss setting IO_WQ_WORK_CONCURRENT

From: Sasha Levin
Date: Mon Nov 02 2020 - 20:19:03 EST


From: Pavel Begunkov <asml.silence@xxxxxxxxx>

[ Upstream commit feaadc4fc2ebdbd53ffed1735077725855a2af53 ]

Set IO_WQ_WORK_CONCURRENT for all REQ_F_FORCE_ASYNC requests, do that in
that is also looks better.

Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/io_uring.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 59ab8c5c2aaaa..670b15014e256 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1140,6 +1140,9 @@ static void io_prep_async_work(struct io_kiocb *req)

io_req_init_async(req);

+ if (req->flags & REQ_F_FORCE_ASYNC)
+ req->work.flags |= IO_WQ_WORK_CONCURRENT;
+
if (req->flags & REQ_F_ISREG) {
if (def->hash_reg_file || (req->ctx->flags & IORING_SETUP_IOPOLL))
io_wq_hash_work(&req->work, file_inode(req->file));
@@ -6279,13 +6282,6 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
if (unlikely(ret))
goto fail_req;
}
-
- /*
- * Never try inline submit of IOSQE_ASYNC is set, go straight
- * to async execution.
- */
- io_req_init_async(req);
- req->work.flags |= IO_WQ_WORK_CONCURRENT;
io_queue_async_work(req);
} else {
__io_queue_sqe(req, sqe, cs);
--
2.27.0