On 05/21/2012 06:50 AM, Hannes Reinecke wrote: > On 05/18/2012 06:56 AM, michaelc@xxxxxxxxxxx wrote: >> The following patches were made over the misc branch of the scsi tree. >> >> The patches fix a issue where if the device is offlined or IO is >> failed due to fast_io_fail (fc) /recovery_tmo (iscsi) then comes >> back, apps do not have a way a nice way to figure out the state >> has transitioned to running. Apps have to either poll the sysfs state >> file or send a SG IO to figure it out. With the patch apps can listen >> for the KOBJ CHANGE event like some of them (at least udev does) do >> already. >> >> v2: >> - Rebased to misc. >> > In principle, yes. > ccing Kay. > However, when doing this, we're now sending 'CHANGE' uevents from > SCSI devices. With the potential of putting _quite_ some strain on udev. > Kay explicitely debarred me from using uevents for my SCSI sense Kay told me to do it this way :) In this case udev was the app we discovered the issue with, so maybe that is the diff. -- 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