Jeff hello. i have been measuring the transer size of a request_t in the deadline io scheduler dispatch request method. i issued a dd of 1MB over a maxtor disk, which according to the max_hw_sectors has 2048 sectors. but in the scheduler i see only 1024 sectors. So my question is: where and how the transfer size is being determined ? if i am going to expand the biovec size from 256 to 512 will it matter ? thank you -- Raz - : 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