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    SubjectRe: Yet another borken page_count() check in invalidate_inode_pages2()....
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    On Wed, 2006-11-15 at 08:46 -0800, Andrew Morton wrote:

    > but nobody could have started another writeback after the "..." because they
    > couldn't have got the lock_page(), and lock_page() is required for
    > ->writepage()?

    Nothing can have called writepage(), but something may be calling
    ->writepages(). That may call set_page_writeback without taking the page
    lock.

    Cheers,
    Trond
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