On Wed, Sep 19, 2012 at 05:48:50PM -0700, Gwendal Grignou wrote: > On Thu, Sep 13, 2012 at 8:38 AM, Lin Ming <minggr@xxxxxxxxx> wrote: > > On Thu, Sep 13, 2012 at 4:07 AM, Gwendal Grignou <gwendal@xxxxxxxxxx> wrote: > >> [-Lin, +Lin] > > > > CC Aaron@Intel Thanks Lin. > > Could you show me what's the sysfs directory structure after libata > > sysfs object melted into scsi sysfs objects? > > I am testing my patches, but the path to a block device will be as follow: > /sys/device/pci0000:00/0000:00:06.0/0000:09:00.0/host0/port1/link1/dev1.0/target0:0:0/0:0:0:0/block/sda > > If you have a port multiplier, a disk behind it - port 4 of the pmp > for instance: > /sys/device/pci0000:00/0000:00:06.0/0000:09:00.0/host5/port6/link6.4/dev6.4.0/target5:4:0/5:4:0:0/block/sde > while the port multiplier itself would be at > /sys/device/pci0000:00/0000:00:06.0/0000:09:00.0/host5/port6/link6/dev6.0 > > For reference, in a simple SAS topology, block device paths are like: > /sys/device/pci0000:00/0000:00:08.0/0000:0b:00.0/host6/port-6:5/end_device-6:5/target6:0:5/6:0:5:0/block/sdg > > Does it make sense to you? Looks good to me. I will test the code once you sent out, thanks. And I think the following commit will no longer be needed once this change is done: commit ae0751ffc77e7f21629970fdab5528c573e637f8 [SCSI] add flag to skip the runtime PM calls on the host -Aaron -- To unsubscribe from this list: 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
