selftests/filesystems: add utils.{c,h}

Add a new set of helpers that will be used in follow-up patches.

Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2025-02-19 14:23:25 +01:00
commit c68946ee7e
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3 changed files with 527 additions and 2 deletions