From a9c0fdd77daf491d112a85edf1d254716dfc9a0d Mon Sep 17 00:00:00 2001
From: Ziye Yang <ziye.yang@intel.com>
Date: Mon, 7 Sep 2020 22:55:58 +0800
Subject: [PATCH] bdev/rbd: Use the non-timer poller.

The timer poller could add the latency since we poll it every 50ns.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: Ia3d0ec56658b9365fdd34b67663a3365eb738451
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4081
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: <dongx.yi@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Community-CI: Broadcom CI
---
 module/bdev/rbd/bdev_rbd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/module/bdev/rbd/bdev_rbd.c b/module/bdev/rbd/bdev_rbd.c
index 72d0a97b7..4f269ecc1 100644
--- a/module/bdev/rbd/bdev_rbd.c
+++ b/module/bdev/rbd/bdev_rbd.c
@@ -56,8 +56,6 @@
 
 static int bdev_rbd_count = 0;
 
-#define BDEV_RBD_POLL_US 50
-
 struct bdev_rbd {
 	struct spdk_bdev disk;
 	char *rbd_name;
@@ -808,7 +806,7 @@ bdev_rbd_group_create_cb(void *io_device, void *ctx_buf)
 		return -1;
 	}
 
-	ch->poller = SPDK_POLLER_REGISTER(bdev_rbd_group_poll, ch, BDEV_RBD_POLL_US);
+	ch->poller = SPDK_POLLER_REGISTER(bdev_rbd_group_poll, ch, 0);
 
 	return 0;
 }