On Sun, Mar 26 2006, Raz Ben-Jehuda(caro) wrote: > Hello guys. > first, since there is no mailing lists for the linux elevators i posting > this mailing lists. > > I am testing the deadline elevator ( 2.6.15 ). i am sending > buffer sizes of 1M to the target but it seems that buffer no bigger than > 1/2 MB are reaching the elevator and sometimes page sized buffers. > > Why is that ? Does the bio vector size caueses it? Hardware inflicted limits, probably. As you don't mention what you are testing on, one can only guess. -- Jens Axboe - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html