From patchwork Wed Jan 22 10:58:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirill Tkhai X-Patchwork-Id: 11345803 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 C46AA1580 for ; Wed, 22 Jan 2020 13:58:27 +0000 (UTC) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 856A42253D for ; Wed, 22 Jan 2020 13:58:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="IDhBVnQ/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 856A42253D 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=1579701506; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to: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=guIrtOfXO+34gQJ4P0dL9hkitDMlAYUa8wdtkZUTyno=; b=IDhBVnQ/3JqlBDiB94cu8FNB+5gumS7fTp0NEnixD6qSWy15Vz3Wqzd3FH+Ban1RqWDq1k cF7WWM8DPWl4yQ5S6ubBg+iwVn69urBvC3A8bMv8z3ACz0HFdWGdp9plEWhlCfe2tBfvt9 a0R0B0OKjNTvwvX9kzhiBVT2pBg44gA= 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-427-r9DTMZbSPwmAAbu2TuW-SQ-1; Wed, 22 Jan 2020 08:58:14 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D494D1088382; Wed, 22 Jan 2020 13:58:09 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AF16A87EC2; Wed, 22 Jan 2020 13:58:09 +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 4612D8198A; Wed, 22 Jan 2020 13:58:07 +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 00MAwdqi002549 for ; Wed, 22 Jan 2020 05:58:40 -0500 Received: by smtp.corp.redhat.com (Postfix) id 9CCF0ED14F; Wed, 22 Jan 2020 10:58:39 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mimecast-mx02.redhat.com (mimecast05.extmail.prod.ext.rdu2.redhat.com [10.11.55.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 991CAED14A for ; Wed, 22 Jan 2020 10:58:39 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (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 7B42E802A77 for ; Wed, 22 Jan 2020 10:58:39 +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-141-XoAxUeYsOem044p9ZAluwA-1; Wed, 22 Jan 2020 05:58:37 -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 1iuDiF-0002gk-Mt; Wed, 22 Jan 2020 13:58:19 +0300 From: Kirill Tkhai To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, martin.petersen@oracle.com, bob.liu@oracle.com, axboe@kernel.dk, agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, song@kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, Chaitanya.Kulkarni@wdc.com, darrick.wong@oracle.com, ming.lei@redhat.com, osandov@fb.com, jthumshirn@suse.de, minwoo.im.dev@gmail.com, damien.lemoal@wdc.com, andrea.parri@amarulasolutions.com, hare@suse.com, tj@kernel.org, ajay.joshi@wdc.com, sagi@grimberg.me, dsterba@suse.com, chaitanya.kulkarni@wdc.com, bvanassche@acm.org, dhowells@redhat.com, asml.silence@gmail.com, ktkhai@virtuozzo.com Date: Wed, 22 Jan 2020 13:58:19 +0300 Message-ID: <157969069942.174869.16164846993802944407.stgit@localhost.localdomain> In-Reply-To: <157968992539.174869.7490844754165043549.stgit@localhost.localdomain> References: <157968992539.174869.7490844754165043549.stgit@localhost.localdomain> User-Agent: StGit/0.19 MIME-Version: 1.0 X-MC-Unique: XoAxUeYsOem044p9ZAluwA-1 X-MC-Unique: r9DTMZbSPwmAAbu2TuW-SQ-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 00MAwdqi002549 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Wed, 22 Jan 2020 08:58:06 -0500 Subject: [dm-devel] [PATCH v5 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 2.79 on 10.5.11.13 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 --- 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 20c94a7f9411..249dce6dd436 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1089,6 +1089,8 @@ 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,