Doug, > The sd_setup_read_write_cmnd() function is on the "fast path" for > block system access to SCSI devices (logical units). Rewrite this > function to improve speed and readability. Please do any optimizations on top of my scsi-work branch which has the sd_setup_read_write_cmnd() rewrite. I'm at kernel summit this week but will rebase when time permits. -- Martin K. Petersen Oracle Linux Engineering