Messages in this thread | | | Date | Thu, 3 Nov 2005 12:45:36 +1100 | From | Andrew Morton <> | Subject | Re: [Patch] add AOP_TRUNCATED_PAGE, prepend AOP_ to WRITEPAGE_ACTIVATE |
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Zach Brown <zach.brown@oracle.com> 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? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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