Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751787AbdFISPv (ORCPT ); Fri, 9 Jun 2017 14:15:51 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:34143 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751768AbdFISPs (ORCPT ); Fri, 9 Jun 2017 14:15:48 -0400 X-IronPort-AV: E=Sophos;i="5.39,319,1493654400"; d="scan'208";a="24107168" Authentication-Results: spf=pass (sender IP is 63.163.107.21) smtp.mailfrom=sandisk.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=sandisk.com; X-AuditID: 0ac94369-357ff7000000ca18-92-593ae5c654ad Subject: Re: [PATCH 2/3] target: Add TARGET_SCF_LOOKUP_LUN_FROM_TAG support for ABORT_TASK To: "Nicholas A. Bellinger" CC: "target-devel@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "mchristi@redhat.com" , "himanshu.madhani@cavium.com" , "quinn.tran@cavium.com" , "hare@suse.com" , "hch@lst.de" References: <1496527808-28789-1-git-send-email-nab@linux-iscsi.org> <1496527808-28789-3-git-send-email-nab@linux-iscsi.org> <1496678246.2623.5.camel@sandisk.com> <1496987544.28997.34.camel@haakon3.risingtidesystems.com> From: Bart Van Assche Message-ID: Date: Fri, 9 Jun 2017 11:15:31 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <1496987544.28997.34.camel@haakon3.risingtidesystems.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOIsWRmVeSWpSXmKPExsXCddJ5ke7Jp1aRBrtrLBa82ctmsXL1USaL C3u6GS0u75rDZtF9fQebxfojGxgt2lafYbT42f6a0aJ16VsmB06PGb8XsXjc336EyWP3zQY2 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Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 349 Lines: 11 On 06/08/17 22:52, Nicholas A. Bellinger wrote: > Because qla2xxx doesn't reuse tags, it's not a problem since it's the > only consumer of TARGET_SCF_LOOKUP_LUN_FROM_TAG. Hello Nic, Can you clarify this? Since all target drivers and also the target core use a finite number of bits to represent tags, tags *will* be reused sooner or later. Bart.