From 093bc3390a0670b307551bda7b341e05244df806 Mon Sep 17 00:00:00 2001
From: Wojciech Malikowski <wojciech.malikowski@intel.com>
Date: Thu, 4 Jul 2019 04:28:28 -0400
Subject: [PATCH] lib/ftl: Wait for IO retry queue drain during shutdown

In case shutdown occurs during band relocation
we can have situation that on retry queue are
some internal IOs and we need to wait to drain
this queue before we start shutdown sequence.

Change-Id: Ie5b33732568aeda0586f4de384b22dcf463bf31e
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460421
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
---
 lib/ftl/ftl_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ftl/ftl_core.c b/lib/ftl/ftl_core.c
index fc294d43c..0b663b54e 100644
--- a/lib/ftl/ftl_core.c
+++ b/lib/ftl/ftl_core.c
@@ -791,7 +791,7 @@ static int
 ftl_shutdown_complete(struct spdk_ftl_dev *dev)
 {
 	return !__atomic_load_n(&dev->num_inflight, __ATOMIC_SEQ_CST) &&
-	       LIST_EMPTY(&dev->wptr_list);
+	       LIST_EMPTY(&dev->wptr_list) && TAILQ_EMPTY(&dev->retry_queue);
 }
 
 void