linux-kernel - [PATCH blktests v1] nvme/040: Free loop back resources

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Message-Id: <20230612142945.10969-1-dwagner@suse.de>
Date:   Mon, 12 Jun 2023 16:29:45 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     linux-nvme@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        Chaitanya Kulkarni <kch@...dia.com>,
        Shin'ichiro Kawasaki <shinichiro@...tmail.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Hannes Reinecke <hare@...e.de>, Daniel Wagner <dwagner@...e.de>
Subject: [PATCH blktests v1] nvme/040: Free loop back resources

The tests does not cleanup all resources after it has finished. This
leads to rm not being able to remove the TMPDIR cleanly:

  + rm -rf blktests/results/tmpdir.nvme.040.m2J
  rm: cannot remove 'blktests/results/tmpdir.nvme.040.m2J': Directory not empty

Signed-off-by: Daniel Wagner <dwagner@...e.de>
---
 tests/nvme/040 | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests/nvme/040 b/tests/nvme/040
index b6ab34d611ba..688a0939a376 100755
--- a/tests/nvme/040
+++ b/tests/nvme/040
@@ -18,6 +18,7 @@ requires() {
 
 test() {
 	local subsys="blktests-subsystem-1"
+	local file_path="${TMPDIR}/img"
 	local port
 	local loop_dev
 	local nvmedev
@@ -26,8 +27,8 @@ test() {
 	echo "Running ${TEST_NAME}"
 
 	_setup_nvmet
-	truncate -s "${nvme_img_size}" "$TMPDIR/img"
-	loop_dev="$(losetup -f --show "$TMPDIR/img")"
+	truncate -s "${nvme_img_size}" "${file_path}"
+	loop_dev="$(losetup -f --show "${file_path}")"
 
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 	_create_nvmet_subsystem "${subsys}" "${loop_dev}"
@@ -57,5 +58,9 @@ test() {
 	_remove_nvmet_subsystem "${subsys}"
 	_remove_nvmet_port "${port}"
 
+	losetup -d "${loop_dev}"
+
+	rm -f "${file_path}"
+
 	echo "Test complete"
 }
-- 
2.40.1