io_uring: consolidate the put_ref-and-return section of adding work

We've got a few cases of this, move them to one section and just use
gotos to get there. Reduces the text section on both arm64 and x86-64,
using gcc-12.2.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 3b915de..cbe06de 100644 (file)
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1285,17 +1285,15 @@ static void io_req_local_work_add(struct io_kiocb *req)
 
        percpu_ref_get(&ctx->refs);
 
-       if (!llist_add(&req->io_task_work.node, &ctx->work_llist)) {
-               percpu_ref_put(&ctx->refs);
-               return;
-       }
+       if (!llist_add(&req->io_task_work.node, &ctx->work_llist))
+               goto put_ref;
+
        /* needed for the following wake up */
        smp_mb__after_atomic();
 
        if (unlikely(atomic_read(&req->task->io_uring->in_idle))) {
                io_move_task_work_from_local(ctx);
-               percpu_ref_put(&ctx->refs);
-               return;
+               goto put_ref;
        }
 
        if (ctx->flags & IORING_SETUP_TASKRUN_FLAG)
@@ -1305,6 +1303,8 @@ static void io_req_local_work_add(struct io_kiocb *req)
 
        if (READ_ONCE(ctx->cq_waiting))
                wake_up_state(ctx->submitter_task, TASK_INTERRUPTIBLE);
+
+put_ref:
        percpu_ref_put(&ctx->refs);
 }