Here's my story: Once upon a time, there lived a developer that wanted to export an atomic64_t value to userspace using debugfs to help with debugging. But that developer found there was no helper function to do so and was very sad. The End.
Yeah, it's a sad story. Here's my patch, merge me maybe? Anand K Mistry (1): debugfs: Add a helper to export atomic64_t values fs/debugfs/file.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/debugfs.h | 6 ++++++ 2 files changed, 43 insertions(+) -- 2.29.1.341.ge80a0c044ae-goog