On Thu, 2007-11-15 at 15:59 -0600, Chris Friesen wrote: > Moore, Eric wrote: > > On Thursday, November 15, 2007 12:10 PM, Chris Friesen wrote: > > >>Does this status mean that the command needs to be retried by the > >>userspace app, that it has already been retried by the lower > >>levels and > >>is now completed, or something else entirely? > > > The midlayer is retrying the command. I pointed you to the code in the > > previous email. > > James Smart just indicated that the midlayer was not retrying the > command because it's sgio. Is he mistaken? No. When the command goes via SG_IO it bypasses all return status processing (and QUEUE_FULL/BUSY is a return status). When it's submitted in the normal way (i.e. via a ULD) then the mid-layer processes these returns to a retry strategy. > If the midlayer is retrying the command, then what should the > application do when it receives that status? James - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
