Samba seems to behave incorrectly when writing beyond the current end of file

[David Collier-Brown]

David Collier-Brown wrote:
>     A short test with a pair of ordinary filesystems, ext2 and
>     Solaris ufs, showed a good performance improvement with
>     large, aligned read/write buffers, just not the improvement
>     from pessimal to optimal I saw from qfs (;-))

	To be fair to qfs, the Windows application was issuing a
	4 kB read, then an 8, a 16, a 32 and finally a stream of
	64 kB reads.  This bizzare slow-start was probably the
	worst possible thing it could do to a poor unsuspecting
	filesystem.

--dave