From patchwork Mon Feb 10 09:33:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirill Tkhai X-Patchwork-Id: 11372925 X-Patchwork-Delegate: snitzer@redhat.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27486138D for ; Mon, 10 Feb 2020 09:45:17 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D8BF92080C for ; Mon, 10 Feb 2020 09:45:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JGcjViiJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8BF92080C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581327915; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=JoUv8gywQOqmZsTnHmpWH9jbzHoo7j75nZc51y8q7Do=; b=JGcjViiJA2nDkI6wLzaZ6Ok8LU1v2gdavyfXs1JSEg021+OljKL6AedITGTUXqzMcZhIpv QFxhwAVQVpKSDFcz3wLk6Xb1wa3VyEXhIyaFGRl5LNE2LjuW1oQwmw4ftFK5KRnYYiZuUV CsbX2+P5R9lcX8rVe2uOMwMbgBTpXdU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-356-Z0-7SN1yO3y_WhtakJILdQ-1; Mon, 10 Feb 2020 04:45:13 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BF15B101FC66; Mon, 10 Feb 2020 09:45:07 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8EC6A19C70; Mon, 10 Feb 2020 09:45:07 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 2540D18089D6; Mon, 10 Feb 2020 09:45:07 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 01A9YT8p000886 for ; Mon, 10 Feb 2020 04:34:29 -0500 Received: by smtp.corp.redhat.com (Postfix) id 052BB728ED; Mon, 10 Feb 2020 09:34:29 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0141C6DCCF for ; Mon, 10 Feb 2020 09:34:28 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DCC06800F5A for ; Mon, 10 Feb 2020 09:34:28 +0000 (UTC) Received: from relay.sw.ru (relay.sw.ru [185.231.240.75]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-42-Lhcp23kENnK5TzLbVcTqzg-1; Mon, 10 Feb 2020 04:34:23 -0500 Received: from dhcp-172-16-24-104.sw.ru ([172.16.24.104] helo=localhost.localdomain) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1j15S2-0000Jm-OM; Mon, 10 Feb 2020 12:33:58 +0300 From: Kirill Tkhai To: martin.petersen@oracle.com, bob.liu@oracle.com, axboe@kernel.dk Date: Mon, 10 Feb 2020 12:33:58 +0300 Message-ID: <158132723860.239613.17590551491822950307.stgit@localhost.localdomain> In-Reply-To: <158132703141.239613.3550455492676290009.stgit@localhost.localdomain> References: <158132703141.239613.3550455492676290009.stgit@localhost.localdomain> User-Agent: StGit/0.19 MIME-Version: 1.0 X-MC-Unique: Lhcp23kENnK5TzLbVcTqzg-1 X-MC-Unique: Z0-7SN1yO3y_WhtakJILdQ-1 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 01A9YT8p000886 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Mon, 10 Feb 2020 04:44:34 -0500 Cc: andrea.parri@amarulasolutions.com, snitzer@redhat.com, dhowells@redhat.com, song@kernel.org, dm-devel@redhat.com, adilger.kernel@dilger.ca, osandov@fb.com, agk@redhat.com, hare@suse.com, bvanassche@acm.org, darrick.wong@oracle.com, minwoo.im.dev@gmail.com, jthumshirn@suse.de, ajay.joshi@wdc.com, chaitanya.kulkarni@wdc.com, ming.lei@redhat.com, linux-block@vger.kernel.org, ktkhai@virtuozzo.com, dsterba@suse.com, sagi@grimberg.me, damien.lemoal@wdc.com, tytso@mit.edu, linux-kernel@vger.kernel.org, tj@kernel.org, asml.silence@gmail.com Subject: [dm-devel] [PATCH v6 5/6] block: Add blk_queue_max_allocate_sectors() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com This is a new helper to assign max_allocate_sectors limit of block device queue. Signed-off-by: Kirill Tkhai Reviewed-by: Bob Liu --- block/blk-settings.c | 13 +++++++++++++ include/linux/blkdev.h | 2 ++ 2 files changed, 15 insertions(+) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel diff --git a/block/blk-settings.c b/block/blk-settings.c index 8d5df9d37239..24cf8fbbd125 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -259,6 +259,19 @@ void blk_queue_max_write_zeroes_sectors(struct request_queue *q, } EXPORT_SYMBOL(blk_queue_max_write_zeroes_sectors); +/** + * blk_queue_max_allocate_sectors - set max sectors for a single + * allocate request + * @q: the request queue for the device + * @max_allocate_sectors: maximum number of sectors to write per command + **/ +void blk_queue_max_allocate_sectors(struct request_queue *q, + unsigned int max_allocate_sectors) +{ + q->limits.max_allocate_sectors = max_allocate_sectors; +} +EXPORT_SYMBOL(blk_queue_max_allocate_sectors); + /** * blk_queue_max_segments - set max hw segments for a request for this queue * @q: the request queue for the device diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 40707f980a2e..f5edbfea7b84 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1088,6 +1088,8 @@ extern void blk_queue_max_write_same_sectors(struct request_queue *q, unsigned int max_write_same_sectors); extern void blk_queue_max_write_zeroes_sectors(struct request_queue *q, unsigned int max_write_same_sectors); +extern void blk_queue_max_allocate_sectors(struct request_queue *q, + unsigned int max_allocate_sectors); extern void blk_queue_logical_block_size(struct request_queue *, unsigned int); extern void blk_queue_physical_block_size(struct request_queue *, unsigned int); extern void blk_queue_alignment_offset(struct request_queue *q,