From: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri, 4 Oct 2019 14:01:08 +0000 (+0300)
Subject: io_uring: fix reversed nonblock flag for link submission
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bf7ec93c644cb;p=openwrt%2Fstaging%2Fblogic.git

io_uring: fix reversed nonblock flag for link submission

io_queue_link_head() accepts @force_nonblock flag, but io_ring_submit()
passes something opposite.

Fixes: c576666863b78 ("io_uring: optimize submit_and_wait API")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 0bc167aca46d..ab8c4e5e442c 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2761,7 +2761,7 @@ out:
 
 	if (link)
 		io_queue_link_head(ctx, link, &link->submit, shadow_req,
-					block_for_last);
+					!block_for_last);
 	if (statep)
 		io_submit_state_end(statep);