From a626ed1efa713eb6dd6a3577c70fd9bd0d6353ab Mon Sep 17 00:00:00 2001
From: Lei Feng <flei@whamcloud.com>
Date: Tue, 11 Jul 2023 11:13:01 +0800
Subject: [PATCH] EX-6826 tests: wait before unmounting pcc device if busy

wait at most 10 seconds before unmounting pcc device
if it is busy.

Signed-off-by: Lei Feng <flei@whamcloud.com>
Test-Parameters: trivial testlist=sanity-pcc env=ONLY=25,ONLY_REPEAT=100
Change-Id: I77ec018d33d14af99bdc5d5c5c94c8fa0dafdb61
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/51623
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
---
 lustre/tests/sanity-pcc.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lustre/tests/sanity-pcc.sh b/lustre/tests/sanity-pcc.sh
index 8063372..064501c 100644
--- a/lustre/tests/sanity-pcc.sh
+++ b/lustre/tests/sanity-pcc.sh
@@ -193,8 +193,18 @@ umount_loopdev() {
 	local facet=$1
 	local mntpt=$2
 	local rc
+	local i
+
+	for ((i = 0; i < 10; i++)); do
+		if do_facet $facet lsof $mntpt; then
+			echo "$mntpt is busy, wait 1 second..."
+			sleep 1
+		else
+			echo "$mntpt is idle now"
+			break
+		fi
+	done
 
-	do_facet $facet lsof $mntpt || true
 	do_facet $facet $UMOUNT $mntpt
 	rc=$?
 	return $rc
-- 
1.8.3.1