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    SubjectRe: [PATCH] [13/16] POISON: The high level memory error handler in the VM II
    > Even though try_to_releasepage only checks page_writeback() the lower
    > filesystems all bail on dirty pages or dirty buffers (see the checks
    > done by try_to_free_buffers).
    >
    > It looks like the only way we have to clean a page and all the buffers
    > in it is the invalidatepage call. But that doesn't return success or
    > failure, so maybe invalidatepage followed by releasepage?

    Ok. I'll poke at it more.

    >
    > I'll have to read harder next week, the FS invalidatepage may expect
    > truncate to be the only caller.

    I have to be careful with locks; another lock would deadlock. Ok
    I could drop the page lock temporarily, but that would be somewhat
    risky of someone else coming in unexpectedly.

    -Andi
    --
    ak@linux.intel.com -- Speaking for myself only.


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