On 12/01/2010 11:17 AM, Linus Torvalds wrote:
So this is a TOTALLY UNTESTED trivial patch that just adds another callback. Does this work? I dunno. But I get the feeling that instead of having NFS work around the odd semantics that don't actually match what NFS wants, introducing a new callback with much simpler semantics would be simpler for everybody, and avoid the need for subtle code.
Surely somebody can have just looked up the page and gotten a reference count, right before your ->freepage call is invoked? CPU A CPU B look up page grab refcount ->freepage use contents of page Am I overlooking something obvious? -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html