On Thu, Feb 25, 2010 at 12:37 AM, Jens Axboe <jens.axboe@xxxxxxxxxx> wrote: >> At this point everything was set up correctly. I don't know why the >> transfer lengths are still 512 KB. Maybe someone else has an idea. > > What is the test case issuing the IO? Depending on the device, it may > hit other restrictions aside from just maximum transfer length. Dear Jens, We are just copying the data from PC to usb-storage device (drag and drop), host to device. Please let me know, if you need any additional information. Thansk and Regards, RD. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html