Skip to content

Commit

Permalink
io_uring: consolidate the put_ref-and-return section of adding work
Browse files Browse the repository at this point in the history
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 <[email protected]>
  • Loading branch information
axboe committed Feb 22, 2023
1 parent 5b7c4ca commit ce8e04f
Showing 1 changed file with 6 additions and 6 deletions.
12 changes: 6 additions & 6 deletions io_uring/io_uring.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand All @@ -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);
}

Expand Down

0 comments on commit ce8e04f

Please sign in to comment.