Patch to add support for advertising FULLSYNC to Mac OSX Clients

Christoph Hellwig hch at
Sun Feb 19 17:23:54 UTC 2017

Coming in late here, but I would suggest that the Samba team
reconsiders implementing the flush commands properly, as in not
being a no-op.  Except for the Apple world with it's odd FULLSYNC
fcntl fsync/fdatasync is _the_ primitive to guarantee data integrity,
and a major file sever that simply ignores it is a major disaster for
the full storage stack.

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