On Tue, Sep 23, 2008 at 10:46:18AM -0400, Levy_Jerome@xxxxxxx wrote: > Adding sense code data decode and notification for optimal/non-optimal > path changeover on Clariion devices. Unfortunately in the read sense > code we can't do another inquiry, so we can't tell the user whether we > are on the optimal or non-optimal path, only that a change has occurred. I'm not sure that printk is the optimal user notification here. What if we had a uevent so that udev could take action, such as issuing an inquiry? What if we scheduled some work so we could issue an inquiry and take appropriate action? > case UNIT_ATTENTION: > + if (sense_hdr->asc == 0x2A && sense_hdr->ascq == 0x06) > + /* > + * ALUA status has changed. Report to host, > + * no further action required... jml > + */ > + sdev_printk(KERN_NOTICE, sdev, > + "%s: Asymmetric access state has > changed.\n", > + CLARIION_NAME); > + return SUCCESS; > + break; > if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- 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
