[PATCH v2] io_uring: Fix reversed nonblock flag

From: Pavel Begunkov (Silence)
Date: Fri Oct 04 2019 - 06:08:41 EST


From: Pavel Begunkov <asml.silence@xxxxxxxxx>

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

v2: fix build error by test robot: Rebase from custom tree
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
fs/io_uring.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index c934f91c51e9..c909ea2b84e9 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2703,6 +2703,7 @@ static int io_ring_submit(struct io_ring_ctx *ctx, unsigned int to_submit,
struct io_kiocb *shadow_req = NULL;
bool prev_was_link = false;
int i, submit = 0;
+ bool force_nonblock = true;

if (to_submit > IO_PLUG_THRESHOLD) {
io_submit_state_start(&state, ctx, to_submit);
@@ -2710,9 +2711,9 @@ static int io_ring_submit(struct io_ring_ctx *ctx, unsigned int to_submit,
}

for (i = 0; i < to_submit; i++) {
- bool force_nonblock = true;
struct sqe_submit s;

+ force_nonblock = true;
if (!io_get_sqring(ctx, &s))
break;

@@ -2761,7 +2762,7 @@ static int io_ring_submit(struct io_ring_ctx *ctx, unsigned int to_submit,

if (link)
io_queue_link_head(ctx, link, &link->submit, shadow_req,
- block_for_last);
+ force_nonblock);
if (statep)
io_submit_state_end(statep);

--
2.23.0