results on quad xeon box:

dbench 30: 88MB/sec
dbench 60: 83MB/sec
dbench 90: 77MB/sec
dbench 120: 63
dbench 150: 59
dbench 180: 50
dbench 210: 48
dbench 240: 44


smbtorture results in scaled nb units (MB/sec)

plain 2.2.9 with normal bdflush and update
client on smbo200

16  16.1
32  20.1
48  20.9
64  19.9
80  19.1

plain 2.2.9 with normal bdflush and update
client on smbo200
smbd modified to discard all reads and writes

16  16.9
32  22.4
48  23.7
64  24.0
80  24.1