Il 21/11/2013 12:54, Peter Lieven ha scritto:
> What is the actual reason to add this tweak?

The reason is that there are targets that implement UNMAP but not WRITE
SAME.  But I see what you mean---such a target could validly ignore the
unaligned edges of the request.  I guess it could be made to work, but
unless someone really asks for it, let's drop the patch.

Paolo

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