James Bottomley wrote: > On Fri, 2008-03-07 at 09:28 +0900, Tejun Heo wrote: >> James Bottomley wrote: >>>> Yeap, sure. It's the combination of things that always made me put this >>>> off. Is there a function I can call to just shutdown the host instead >>>> of destroying it? >>> Not really ... the process of unbinding the ULDs causes their remove >>> methods to call shudown. It is possible to separate this in the ULDS; >>> but the original design was to make remove and shutdown be similar for >>> the very reason that if you're removing the driver with unflushed data >>> in the cache, we'd really like it flushed (flush is called from >>> shutdown) because you have no way to talk to the device after this >>> without reinserting the driver. >> The problem is that libata EH and other stuff aren't ready to let go of >> the SCSI host up until the last moment and that last moment can't be >> moved before SCSI host destruction because shutdown sequence (flush and >> spindown) requires live EH. I think this can be solved by shooting down >> individual sdev's instead of destroying the scsi_host. > > Basically what scsi_scan.c:scsi_forget_host() does? It's used > internally at the moment, but I suppose we could export it. Yeap, exactly. I'll prep a patch after breakfast. -- tejun -- 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
