From patchwork Wed Feb 10 23:52:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 8275731 Return-Path: X-Original-To: patchwork-linux-block@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DCD99BEEE5 for ; Wed, 10 Feb 2016 23:54:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 115352034F for ; Wed, 10 Feb 2016 23:54:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1DF22034C for ; Wed, 10 Feb 2016 23:54:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750760AbcBJXyZ (ORCPT ); Wed, 10 Feb 2016 18:54:25 -0500 Received: from mga01.intel.com ([192.55.52.88]:11414 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750728AbcBJXyZ (ORCPT ); Wed, 10 Feb 2016 18:54:25 -0500 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 10 Feb 2016 15:54:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,428,1449561600"; d="scan'208";a="912688452" Received: from dcgshare.lm.intel.com ([10.232.118.254]) by fmsmga002.fm.intel.com with ESMTP; 10 Feb 2016 15:54:24 -0800 Received: by dcgshare.lm.intel.com (Postfix, from userid 1017) id CBF51E0C64; Wed, 10 Feb 2016 16:54:23 -0700 (MST) From: Keith Busch To: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, Jens Axboe Cc: "Martin K. Petersen" , Keith Busch , Christoph Hellwig Subject: [PATCH] block: Initialize max_dev_sectors to 0 Date: Wed, 10 Feb 2016 16:52:47 -0700 Message-Id: <1455148367-25208-1-git-send-email-keith.busch@intel.com> X-Mailer: git-send-email 1.7.1 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The new queue limit is not used by the majority of block drivers, and should be initialized to 0 for the driver's requested settings to be used. Signed-off-by: Keith Busch Cc: Christoph Hellwig Acked-by: Martin K. Petersen Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig --- block/blk-settings.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index dd49735..c7bb666 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -91,8 +91,8 @@ void blk_set_default_limits(struct queue_limits *lim) lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; - lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = - BLK_SAFE_MAX_SECTORS; + lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; + lim->max_dev_sectors = 0; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0;