From a1cea6f48f05eeeab58f6a818b50ba603c6711fc Mon Sep 17 00:00:00 2001
From: Ben Walker <benjamin.walker@intel.com>
Date: Wed, 6 Feb 2019 15:34:16 -0700
Subject: [PATCH] bdev/aio: Set minimum events to 0 in io_getevents

The timeout is set to 0, so it never waits anyway. But
this should be 0.

Change-Id: I8b4058017a91b647ea9324f1474a732921c389f0
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/443647
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
---
 lib/bdev/aio/bdev_aio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/bdev/aio/bdev_aio.c b/lib/bdev/aio/bdev_aio.c
index 87eec359d..f63559a7b 100644
--- a/lib/bdev/aio/bdev_aio.c
+++ b/lib/bdev/aio/bdev_aio.c
@@ -243,7 +243,7 @@ bdev_aio_group_poll(void *arg)
 	timeout.tv_sec = 0;
 	timeout.tv_nsec = 0;
 
-	nr = io_getevents(group_ch->io_ctx, 1, SPDK_AIO_QUEUE_DEPTH,
+	nr = io_getevents(group_ch->io_ctx, 0, SPDK_AIO_QUEUE_DEPTH,
 			  events, &timeout);
 
 	if (nr < 0) {