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-rw-r--r--fs/io_uring.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index fe06ca43e832..18e449b5d632 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1029,8 +1029,7 @@ static struct fixed_rsrc_ref_node *alloc_fixed_rsrc_ref_node(
static void init_fixed_file_ref_node(struct io_ring_ctx *ctx,
struct fixed_rsrc_ref_node *ref_node);
-static void __io_complete_rw(struct io_kiocb *req, long res, long res2,
- unsigned int issue_flags);
+static bool io_rw_reissue(struct io_kiocb *req, long res);
static void io_cqring_fill_event(struct io_kiocb *req, long res);
static void io_put_req(struct io_kiocb *req);
static void io_put_req_deferred(struct io_kiocb *req, int nr);
@@ -2558,17 +2557,6 @@ static inline bool io_run_task_work(void)
return false;
}
-static void io_iopoll_queue(struct list_head *again)
-{
- struct io_kiocb *req;
-
- do {
- req = list_first_entry(again, struct io_kiocb, inflight_entry);
- list_del(&req->inflight_entry);
- __io_complete_rw(req, -EAGAIN, 0, 0);
- } while (!list_empty(again));
-}
-
/*
* Find and free completed poll iocbs
*/
@@ -2577,7 +2565,6 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
{
struct req_batch rb;
struct io_kiocb *req;
- LIST_HEAD(again);
/* order with ->result store in io_complete_rw_iopoll() */
smp_rmb();
@@ -2587,13 +2574,13 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
int cflags = 0;
req = list_first_entry(done, struct io_kiocb, inflight_entry);
+ list_del(&req->inflight_entry);
+
if (READ_ONCE(req->result) == -EAGAIN) {
- req->result = 0;
req->iopoll_completed = 0;
- list_move_tail(&req->inflight_entry, &again);
- continue;
+ if (io_rw_reissue(req, -EAGAIN))
+ continue;
}
- list_del(&req->inflight_entry);
if (req->flags & REQ_F_BUFFER_SELECTED)
cflags = io_put_rw_kbuf(req);
@@ -2608,9 +2595,6 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
io_commit_cqring(ctx);
io_cqring_ev_posted_iopoll(ctx);
io_req_free_batch_finish(ctx, &rb);
-
- if (!list_empty(&again))
- io_iopoll_queue(&again);
}
static int io_do_iopoll(struct io_ring_ctx *ctx, unsigned int *nr_events,