Re: [REGRESSION] ETXTBSY when running Yarn (Node) since af5d68f

[Jens Axboe <axboe@kernel.dk>]

On 5/21/24 12:25 PM, Jens Axboe wrote:
> Outside of that, only other thing I can think of is that the final
> close would be punted to task_work by fput(), which means there's also
> a dependency on the task having run its kernel task_work before it's
> fully closed.

Yep I think that's it, the below should fix it.


diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c
index 554c7212aa46..68a3e3290411 100644
--- a/io_uring/sqpoll.c
+++ b/io_uring/sqpoll.c
@@ -241,6 +241,8 @@ static unsigned int io_sq_tw(struct llist_node **retry_list, int max_entries)
 			return count;
 		max_entries -= count;
 	}
+	if (task_work_pending(current))
+		task_work_run();
 
 	*retry_list = tctx_task_work_run(tctx, max_entries, &count);
 	return count;

-- 
Jens Axboe