Let's 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.
Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx>
---
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 c0f5302ada5d..8e3e2792f5e3 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -1054,6 +1054,10 @@ int prepare(void)
}
}
+ /* try to mount /tmp if not mounted, if not mountable, use ramfs as tmpfs */
+ if (stat("/tmp/.", &stat_buf) == 0 || mkdir("/tmp", 0755) == 0)
+ mount("none", "/tmp", "tmpfs", 0, 0);
+
return 0;
}
--
2.25.1
