From 86a761f81ec87a96572214f5db606f60d36aaf08 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 22 Jan 2020 23:09:36 +0300 Subject: [PATCH] io_uring: honor IOSQE_ASYNC for linked reqs REQ_F_FORCE_ASYNC is checked only for the head of a link. Fix it. Signed-off-by: Pavel Begunkov Signed-off-by: Jens Axboe --- fs/io_uring.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index cdbc711ae5fd..9f73586dcfb8 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -4512,6 +4512,7 @@ again: */ if (ret == -EAGAIN && (!(req->flags & REQ_F_NOWAIT) || (req->flags & REQ_F_MUST_PUNT))) { +punt: if (req->work.flags & IO_WQ_WORK_NEEDS_FILES) { ret = io_grab_files(req); if (ret) @@ -4547,6 +4548,9 @@ done_req: if (nxt) { req = nxt; nxt = NULL; + + if (req->flags & REQ_F_FORCE_ASYNC) + goto punt; goto again; } }