From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [usb-storage] Re: Make UAS work on HS for devices with and without command tagging support Date: Fri, 16 Dec 2011 15:31:46 -0500 Message-ID: <20111216203146.GN14291@linux.intel.com> References: <1323888472-21035-1-git-send-email-bigeasy@linutronix.de> <20111214225331.GA5508@xanatos> <4EE9B375.4020606@linutronix.de> <20111215211201.GA6482@xanatos> <20111216144724.GC19563@linutronix.de> <20111216201236.GE19563@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mga02.intel.com ([134.134.136.20]:16158 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932640Ab1LPUbs (ORCPT ); Fri, 16 Dec 2011 15:31:48 -0500 Content-Disposition: inline In-Reply-To: <20111216201236.GE19563@linutronix.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Sebastian Andrzej Siewior Cc: Sarah Sharp , linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, USB Storage List On Fri, Dec 16, 2011 at 09:12:36PM +0100, Sebastian Andrzej Siewior wrote: > * Sebastian Andrzej Siewior | 2011-12-16 15:47:24 [+0100]: > > >>If you want to take a stab at redoing your patch #2 to use only one > >>status URB for USB 2.0 devices, I would appreciate it. Then I can build > >>the abort/reset synchronization on top of it. > >Okay. > > Just once things started to become easy.... So while I tried to have > only one status urb which I always re-submit (as Matthew/ You suggested) > I run into the problem that I don't have struct scsi_device yet. So I > just created a device with two luns to see if this struct happens always > to be same. Ofcourse it is not. Can you not send one status URB per LUN (instead of one per command)?