On 23 Nov 2009, at 08:12, Hartmut Reuter wrote:

Jeffrey Hutzelman schrieb:
--On Friday, October 09, 2009 03:12:14 PM +0100 Simon Wilkinson <[email protected] > wrote:
We will rename 'ResidencyMask' to 'DataAccessProtocol' in a revised
version of FetchStatus.
Where by "rename", you mean get rid of the old field, and add a new one, with a different name and completely different semantics, and not ever try to claim they are the same field. Right? Right?

Not exactly: the current OpenAFS fileservers fill this field with one which meant the file is on the local_disk residency. For backward compatibility also the new field will contain a one for plain AFS files in the fileserver's partition. But, of course, the meaning of all other values is different to the old use.

For the purposes Jeffrey cares about, though, is is an entirely new field. We're making a new version of the FetchStatus structure, which will only be used by new versions of all of the affected RPCs.

S.


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