https://bugzilla.kernel.org/show_bug.cgi?id=216050

--- Comment #119 from Yuriy Garin (yuriy.ga...@gmail.com) ---
Created attachment 303440
  --> https://bugzilla.kernel.org/attachment.cgi?id=303440&action=edit
debug patch log - page, folio and ref count

As you see, folio pointer is valid.

And, ref_count is not 1 before going to f2fs_put_page() - I guess, that's why
it does not work.

Silly thought :)

Interestingly, ref count is 514, which looks suspiciously as a binary flag
1000000010. Is it possible that during 5.17/5.18 implementation of a "pin",
somehow binary flag was written to ref count, or something like '1 << ...'
happens?

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