io_uring: don't fail links for EAGAIN error in IOPOLL mode

In IOPOLL mode, for EAGAIN error, we'll try to submit io request again using io-wq, so don't fail rest of links if this io request has links. Cc: [email protected] Signed-off-by: Xiaoguang Wang <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
josf · Jun 17, 2020 · 2d7d679 · 2d7d679
1 parent 801dd57
commit 2d7d679
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/io_uring.c b/fs/io_uring.c
@@ -1988,7 +1988,7 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
 	if (kiocb->ki_flags & IOCB_WRITE)
 		kiocb_end_write(req);
 
-	if (res != req->result)
+	if (res != -EAGAIN && res != req->result)
 		req_set_fail_links(req);
 	req->result = res;
 	if (res != -EAGAIN)