Re: [RFC 0/2] ext4: Fix stale data read exposure problem with DIO read/page_mkwrite

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> Currently there is a small race window as pointed out by Jan [2] where, when
> ext4 tries to allocate a written block for mapped files and if DIO read is in
> progress, then this may result into stale data read exposure problem.

Do we have a test case for the problem?



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