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From:   Zhangjin Wu <falcon@tinylab.org>
To:     w@1wt.eu
Cc:     falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org,
        linux-kselftest@vger.kernel.org, thomas@t-8ch.de,
        =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <linux@weissschuh.net>
Subject: [PATCH v4 13/18] selftests/nolibc: prepare /tmp for tmpfs or ramfs
Date:   Sat,  8 Jul 2023 02:38:57 +0800
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create a /tmp directory and mount tmpfs there, if tmpfs is not
mountable, use ramfs as tmpfs.

tmpfs will be used instead of procfs for some tests.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
 tools/testing/selftests/nolibc/nolibc-test.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 5497ee86cf40..6b863f7b677c 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -1063,6 +1063,10 @@ int prepare(void)
 		}
 	}
 
+	/* try to mount /tmp if not mounted, if not mountable, use ramfs as tmpfs */
+	mkdir("/tmp", 0755);
+	mount("none", "/tmp", "tmpfs", 0, 0);
+
 	return 0;
 }
 
-- 
2.25.1