From a4881cf82f30af4d8981b4a652f4abaf6e454dbb Mon Sep 17 00:00:00 2001
From: Wojciech Malikowski <wojciech.malikowski@intel.com>
Date: Tue, 23 Jul 2019 04:34:34 -0400
Subject: [PATCH] lib/ftl: Check if write buffer is empty during shutdown

Added assertion to check is there is no any
acquired write buffer entries during shutdown.

Change-Id: I92be8ff07b2bf338acb65a0e37d0cc6ad6962d81
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/462934
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
---
 lib/ftl/ftl_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/ftl/ftl_init.c b/lib/ftl/ftl_init.c
index a28a3d1cb..fef7f2f40 100644
--- a/lib/ftl/ftl_init.c
+++ b/lib/ftl/ftl_init.c
@@ -1221,6 +1221,8 @@ ftl_dev_free_sync(struct spdk_ftl_dev *dev)
 	pthread_mutex_unlock(&g_ftl_queue_lock);
 
 	assert(LIST_EMPTY(&dev->wptr_list));
+	assert(ftl_rwb_num_acquired(dev->rwb, FTL_RWB_TYPE_INTERNAL) == 0);
+	assert(ftl_rwb_num_acquired(dev->rwb, FTL_RWB_TYPE_USER) == 0);
 
 	ftl_dev_dump_bands(dev);
 	ftl_dev_dump_stats(dev);