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WSL2-Linux-Kernel
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io_uring: always pass cflags into fill_event() 

A simple preparation patch inlining io_cqring_fill_event(), which only
role was to pass cflags=0 into an actual fill event. It helps to keep
number of related helpers sane in following patches.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/704f9c85b7d9843e4ad50a9f057200c58f5adc6e.1618101759.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-04-11 01:46:32 +01:00 коммит произвёл Jens Axboe
Родитель 44c769de6f
Коммит ff64216423
1 изменённых файлов: 16 добавлений и 21 удалений
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37
fs/io_uring.c
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@ -1028,7 +1028,7 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
static void io_uring_cancel_sqpoll(struct io_ring_ctx *ctx);
static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx);
static void io_cqring_fill_event(struct io_kiocb *req, long res);
static bool io_cqring_fill_event(struct io_kiocb *req, long res, unsigned cflags);
static void io_put_req(struct io_kiocb *req);
static void io_put_req_deferred(struct io_kiocb *req, int nr);
static void io_dismantle_req(struct io_kiocb *req);
@ -1258,7 +1258,7 @@ static void io_kill_timeout(struct io_kiocb *req, int status)
atomic_set(&req->ctx->cq_timeouts,
atomic_read(&req->ctx->cq_timeouts) + 1);
list_del_init(&req->timeout.list);
io_cqring_fill_event(req, status);
io_cqring_fill_event(req, status, 0);
io_put_req_deferred(req, 1);
}
}
@ -1492,8 +1492,8 @@ static inline void req_ref_get(struct io_kiocb *req)
atomic_inc(&req->refs);
}
static bool __io_cqring_fill_event(struct io_kiocb *req, long res,
unsigned int cflags)
static bool io_cqring_fill_event(struct io_kiocb *req, long res,
unsigned int cflags)
{
struct io_ring_ctx *ctx = req->ctx;
struct io_uring_cqe *cqe;
@ -1539,11 +1539,6 @@ overflow:
return false;
}
static void io_cqring_fill_event(struct io_kiocb *req, long res)
{
__io_cqring_fill_event(req, res, 0);
}
static void io_req_complete_post(struct io_kiocb *req, long res,
unsigned int cflags)
{
@ -1551,7 +1546,7 @@ static void io_req_complete_post(struct io_kiocb *req, long res,
unsigned long flags;
spin_lock_irqsave(&ctx->completion_lock, flags);
__io_cqring_fill_event(req, res, cflags);
io_cqring_fill_event(req, res, cflags);
/*
* If we're the last reference to this request, add to our locked
* free_list cache.
@ -1767,7 +1762,7 @@ static bool io_kill_linked_timeout(struct io_kiocb *req)
link->timeout.head = NULL;
ret = hrtimer_try_to_cancel(&io->timer);
if (ret != -1) {
io_cqring_fill_event(link, -ECANCELED);
io_cqring_fill_event(link, -ECANCELED, 0);
io_put_req_deferred(link, 1);
return true;
}
@ -1786,7 +1781,7 @@ static void io_fail_links(struct io_kiocb *req)
link->link = NULL;
trace_io_uring_fail_link(req, link);
io_cqring_fill_event(link, -ECANCELED);
io_cqring_fill_event(link, -ECANCELED, 0);
io_put_req_deferred(link, 2);
link = nxt;
}
@ -2106,7 +2101,7 @@ static void io_submit_flush_completions(struct io_comp_state *cs,
spin_lock_irq(&ctx->completion_lock);
for (i = 0; i < nr; i++) {
req = cs->reqs[i];
__io_cqring_fill_event(req, req->result, req->compl.cflags);
io_cqring_fill_event(req, req->result, req->compl.cflags);
}
io_commit_cqring(ctx);
spin_unlock_irq(&ctx->completion_lock);
@ -2246,7 +2241,7 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
if (req->flags & REQ_F_BUFFER_SELECTED)
cflags = io_put_rw_kbuf(req);
__io_cqring_fill_event(req, req->result, cflags);
io_cqring_fill_event(req, req->result, cflags);
(*nr_events)++;
if (req_ref_put_and_test(req))
@ -4884,7 +4879,7 @@ static bool io_poll_complete(struct io_kiocb *req, __poll_t mask)
}
if (req->poll.events & EPOLLONESHOT)
flags = 0;
if (!__io_cqring_fill_event(req, error, flags)) {
if (!io_cqring_fill_event(req, error, flags)) {
io_poll_remove_waitqs(req);
req->poll.done = true;
flags = 0;
@ -5221,7 +5216,7 @@ static bool io_poll_remove_one(struct io_kiocb *req)
do_complete = io_poll_remove_waitqs(req);
if (do_complete) {
io_cqring_fill_event(req, -ECANCELED);
io_cqring_fill_event(req, -ECANCELED, 0);
io_commit_cqring(req->ctx);
req_set_fail_links(req);
io_put_req_deferred(req, 1);
@ -5480,7 +5475,7 @@ static enum hrtimer_restart io_timeout_fn(struct hrtimer *timer)
atomic_set(&req->ctx->cq_timeouts,
atomic_read(&req->ctx->cq_timeouts) + 1);
io_cqring_fill_event(req, -ETIME);
io_cqring_fill_event(req, -ETIME, 0);
io_commit_cqring(ctx);
spin_unlock_irqrestore(&ctx->completion_lock, flags);
@ -5525,7 +5520,7 @@ static int io_timeout_cancel(struct io_ring_ctx *ctx, __u64 user_data)
return PTR_ERR(req);
req_set_fail_links(req);
io_cqring_fill_event(req, -ECANCELED);
io_cqring_fill_event(req, -ECANCELED, 0);
io_put_req_deferred(req, 1);
return 0;
}
@ -5598,7 +5593,7 @@ static int io_timeout_remove(struct io_kiocb *req, unsigned int issue_flags)
ret = io_timeout_update(ctx, tr->addr, &tr->ts,
io_translate_timeout_mode(tr->flags));
io_cqring_fill_event(req, ret);
io_cqring_fill_event(req, ret, 0);
io_commit_cqring(ctx);
spin_unlock_irq(&ctx->completion_lock);
io_cqring_ev_posted(ctx);
@ -5750,7 +5745,7 @@ static void io_async_find_and_cancel(struct io_ring_ctx *ctx,
done:
if (!ret)
ret = success_ret;
io_cqring_fill_event(req, ret);
io_cqring_fill_event(req, ret, 0);
io_commit_cqring(ctx);
spin_unlock_irqrestore(&ctx->completion_lock, flags);
io_cqring_ev_posted(ctx);
@ -5807,7 +5802,7 @@ static int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags)
spin_lock_irq(&ctx->completion_lock);
done:
io_cqring_fill_event(req, ret);
io_cqring_fill_event(req, ret, 0);
io_commit_cqring(ctx);
spin_unlock_irq(&ctx->completion_lock);
io_cqring_ev_posted(ctx);