Zach Brown <[email protected]> wrote:
>
> readpage(), prepare_write(), and commit_write() callers are updated to
> understand the special return code AOP_TRUNCATED_PAGE in the style of
> writepage() and WRITEPAGE_ACTIVATE. AOP_TRUNCATED_PAGE tells the caller that
> the callee has unlocked the page and that the operation should be tried again
> with a new page. OCFS2 uses this to detect and work around a lock inversion in
> its aop methods. There should be no change in behaviour for methods that don't
> return AOP_TRUNCATED_PAGE.
>
> WRITEPAGE_ACTIVATE is also prepended with AOP_ for consistency and they are
> made enums so that kerneldoc can be used to document their semantics.
Looks sane to me. Can you carry this in the ocfs2 tree?
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