From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE395C43217 for ; Wed, 19 Oct 2022 22:23:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230328AbiJSWXv (ORCPT ); Wed, 19 Oct 2022 18:23:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229657AbiJSWXv (ORCPT ); Wed, 19 Oct 2022 18:23:51 -0400 Received: from mail-pf1-f181.google.com (mail-pf1-f181.google.com [209.85.210.181]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E588617C547 for ; Wed, 19 Oct 2022 15:23:49 -0700 (PDT) Received: by mail-pf1-f181.google.com with SMTP id h13so18549252pfr.7 for ; Wed, 19 Oct 2022 15:23:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XA4JvTPoVH6g26z3FX0Uz6+daRehnB5R/bzRqgV/XaI=; b=dbAnre1974qrLx7jSRe3ggcTnsm70Cpn83gsGO1r+iv0cwzBAaKQlpi+2sw6VCPXm/ yuw48DXLcZxF8QSFAzF5bQj66v2wxhq0dgVM7C68cmHoE5jtewkTHqO3WFjUAHMVCTws TwVmYImJUGPk+UyXoWpfZZFhOJqHDi4zJsGH/oG/KrYj96+52C/m31ylKp9adsdUY3b0 1nFsId2xYqk9uuYxeBKc7ZTXb327y7yywh7GAY4ycXYZMVKC+3pXWHncPPsCx0/GLtos DTGhqa0oupxfmAbFhSGOSQWIwfnA0oCtYs7diWniFphd6ffwuuJmPgk6xjWG3pTjm28T HtWw== X-Gm-Message-State: ACrzQf3uS0q+bDphnaAFaCCceCifMXvGYf1gC8rX0SkG27VFh40Iw95G 6hseO7bhmDdEaiVbxfxZf9c= X-Google-Smtp-Source: AMsMyM5ZFmxRe/+vlRntaQz5s9Y7tkYbM1CQ8HWvpu6xeVp731Q0aLCmoziOBe2uWY1gVPqDxi8rQg== X-Received: by 2002:a63:881:0:b0:43a:c80a:bea4 with SMTP id 123-20020a630881000000b0043ac80abea4mr9139899pgi.329.1666218229069; Wed, 19 Oct 2022 15:23:49 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:8280:2606:af57:d34]) by smtp.gmail.com with ESMTPSA id b3-20020a170902d50300b00174d9bbeda4sm11486866plg.197.2022.10.19.15.23.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Oct 2022 15:23:48 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Bart Van Assche , "Martin K . Petersen" , "James E.J. Bottomley" Subject: [PATCH 08/10] scsi: core: Set the SUB_PAGE_SEGMENTS request queue flag Date: Wed, 19 Oct 2022 15:23:22 -0700 Message-Id: <20221019222324.362705-9-bvanassche@acm.org> X-Mailer: git-send-email 2.38.0.413.g74048e4d9e-goog In-Reply-To: <20221019222324.362705-1-bvanassche@acm.org> References: <20221019222324.362705-1-bvanassche@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This patch enables support for segments smaller than the page size. No changes other than setting the SUB_PAGE_SEGMENTS flag are required since the SCSI code uses blk_rq_map_sg(). Cc: Martin K. Petersen Signed-off-by: Bart Van Assche --- drivers/scsi/scsi_lib.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 8b89fab7c420..821149a57fbf 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1877,6 +1877,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q) { struct device *dev = shost->dma_dev; + blk_queue_flag_set(QUEUE_FLAG_SUB_PAGE_SEGMENTS, q); + /* * this limit is imposed by hardware restrictions */