io_uring: simplify apoll hash removal
authorPavel Begunkov <asml.silence@gmail.com>
Fri, 9 Apr 2021 08:13:21 +0000 (09:13 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 12 Apr 2021 01:30:40 +0000 (19:30 -0600)
hash_del() works well with non-hashed nodes, there's no need to check
if it is hashed first.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c

index 88c9462..abab957 100644 (file)
@@ -5059,10 +5059,7 @@ static void io_async_task_func(struct callback_head *cb)
                return;
        }
 
-       /* If req is still hashed, it cannot have been canceled. Don't check. */
-       if (hash_hashed(&req->hash_node))
-               hash_del(&req->hash_node);
-
+       hash_del(&req->hash_node);
        io_poll_remove_double(req);
        spin_unlock_irq(&ctx->completion_lock);