On Tue, Oct 29, 2013 at 06:24:21AM -0700, Hellwig Christoph wrote: > On Tue, Oct 29, 2013 at 01:21:26PM +0000, Myklebust, Trond wrote: > > The current draft spec even allows the client to specify a "pattern" to be written to the "hole". > > That's indeed the WRITE SAME lookalike then. At least the SCSI people > were smart enough to define an unmap bit for "hole punching" and allow > the target to reject all other versions if they don't want to support > it. > > Given that NFS v4.2 isn't finalized I'd very much recommend to > > a) properly separate those case s > b) do not make the async version mandatory That sounds reasonable to me. By the way, source is available from https://github.com/loghyr/NFSv4.2, and Tom takes patches..... (Or maybe Anna can be talked into that.) --b. -- 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