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io_uring: open code io_put_req_find_next 

There is only one user of io_put_req_find_next() and it doesn't make
much sense to have it. Open code the function.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/38b5c5e48e4adc8e6a0cd16fdd5c1531d7ff81a9.1687518903.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2023-06-23 12:23:21 +01:00 committed by Jens Axboe
parent 4bfb0c9af8
commit 247f97a5f1
1 changed files with 7 additions and 18 deletions
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25
io_uring/io_uring.c
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@ -1586,22 +1586,6 @@ static void __io_submit_flush_completions(struct io_ring_ctx *ctx)
}
}
/*
* Drop reference to request, return next in chain (if there is one) if this
* was the last reference to this request.
*/
static inline struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
{
struct io_kiocb *nxt = NULL;
if (req_ref_put_and_test(req)) {
if (unlikely(req->flags & IO_REQ_LINK_FLAGS))
nxt = io_req_find_next(req);
io_free_req(req);
}
return nxt;
}
static unsigned io_cqring_events(struct io_ring_ctx *ctx)
{
/* See comment at the top of this file */
@ -1954,9 +1938,14 @@ int io_poll_issue(struct io_kiocb *req, struct io_tw_state *ts)
struct io_wq_work *io_wq_free_work(struct io_wq_work *work)
{
struct io_kiocb *req = container_of(work, struct io_kiocb, work);
struct io_kiocb *nxt = NULL;
req = io_put_req_find_next(req);
return req ? &req->work : NULL;
if (req_ref_put_and_test(req)) {
if (req->flags & IO_REQ_LINK_FLAGS)
nxt = io_req_find_next(req);
io_free_req(req);
}
return nxt ? &nxt->work : NULL;
}
void io_wq_submit_work(struct io_wq_work *work)