From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH 2/3] scsi_debug: give unit attention and other errors precedence over TSF Date: Mon, 18 Aug 2014 08:37:12 -0400 Message-ID: References: <53E0AFFE.6080202@interlog.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:46309 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751258AbaHRMhW (ORCPT ); Mon, 18 Aug 2014 08:37:22 -0400 In-Reply-To: <53E0AFFE.6080202@interlog.com> (Douglas Gilbert's message of "Tue, 05 Aug 2014 12:20:46 +0200") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: dgilbert@interlog.com Cc: SCSI development list , Christoph Hellwig , "Elliott, Robert (Server Storage)" >>>>> "Doug" == Douglas Gilbert writes: Doug> Give existing errors priority over the generation of Task Set Full Doug> (TSF) errors. So that max_queue is not exceeded, existing errors Doug> may be sent back in the invocation thread. This is done so errors Doug> like Unit Attentions are not hidden and lost by either max_queue Doug> exceeded or real/injected TSFs. Doug> Signed-off-by: Douglas Gilbert Reviewed-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering