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Message-Id: <20231117171208.2066136-5-pctammela@mojatatu.com>
Date: Fri, 17 Nov 2023 14:12:06 -0300
From: Pedro Tammela <pctammela@...atatu.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	xiyou.wangcong@...il.com,
	jiri@...nulli.us,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	pctammela@...atatu.com,
	victor@...atatu.com
Subject: [PATCH net-next 4/6] selftests: tc-testing: leverage -all in suite ns teardown

Instead of listing lingering ns pinned files and delete them one by one, leverage '-all'
from iproute2 to do it in a single process fork.

Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
---
 .../testing/selftests/tc-testing/plugin-lib/nsPlugin.py  | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
index 920dcbedc395..7b674befceec 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
@@ -74,13 +74,12 @@ class SubPlugin(TdcPlugin):
             print('{}.post_suite'.format(self.sub_class))
 
         # Make sure we don't leak resources
-        for f in os.listdir('/run/netns/'):
-            cmd = self._replace_keywords("$IP netns del {}".format(f))
+        cmd = "$IP -a netns del"
 
-            if self.args.verbose > 3:
-                print('_exec_cmd:  command "{}"'.format(cmd))
+        if self.args.verbose > 3:
+            print('_exec_cmd:  command "{}"'.format(cmd))
 
-            subprocess.run(cmd, shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        subprocess.run(cmd, shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
 
     def adjust_command(self, stage, command):
         super().adjust_command(stage, command)
-- 
2.40.1


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