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io_uring: don't disable kiocb_done() CQE batching
author
Pavel Begunkov
<asml.silence@gmail.com>
Wed, 1 Sep 2021 23:38:22 +0000
(
00:38
+0100)
committer
Jens Axboe
<axboe@kernel.dk>
Fri, 3 Sep 2021 12:16:14 +0000
(06:16 -0600)
Not passing issue_flags from kiocb_done() into __io_complete_rw() means
that completion batching for this case is disabled, e.g. for most of
buffered reads.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link:
https://lore.kernel.org/r/b2689462835c3ee28a5999ef4f9a581e24be04a2.1630539342.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c
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diff --git
a/fs/io_uring.c
b/fs/io_uring.c
index
4ad0d17
..
9f3f8a8
100644
(file)
--- a/
fs/io_uring.c
+++ b/
fs/io_uring.c
@@
-2656,7
+2656,7
@@
static void __io_complete_rw(struct io_kiocb *req, long res, long res2,
{
if (__io_complete_rw_common(req, res))
return;
- __io_req_complete(req,
0
, req->result, io_put_rw_kbuf(req));
+ __io_req_complete(req,
issue_flags
, req->result, io_put_rw_kbuf(req));
}
static void io_complete_rw(struct kiocb *kiocb, long res, long res2)