From patchwork Thu May 20 04:22:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 12269005 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3F0BC43460 for ; Thu, 20 May 2021 04:22:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92EF86108C for ; Thu, 20 May 2021 04:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229534AbhETEXx (ORCPT ); Thu, 20 May 2021 00:23:53 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:63405 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229526AbhETEXw (ORCPT ); Thu, 20 May 2021 00:23:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1621484552; x=1653020552; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=fBlyNPaqEFSSoSs+6AtZVHwfafhe/Inr4ytd1alMRuo=; b=IOTdSYgj9xv3gy43gOgHPKIGmvB70YlxUnYbrr8Zu8xslOfYMUqk77qr kVPK6NdZkqVvXkKPbKNqlPUhsimM+9jtcBRHkdHiu1PFX45zm2J2w7alf ihtfskn7vf3y/sEPYsuVTuO0zO2/n0HbT7T2GkbAPBCQ9fgdEiNWc6vB/ zU9ACyhD/fOyeVH4X6N/qKw+tULiAZwxpn0FHJlu501CL84CjxEZcLwa1 dAmeDaL4StMaJBCUItqzk7LCnnzIHEW/CPO1J2wCh9ACr8zRuuS3yxIls doTT35zGTKi2aTpcykQdrmZ9vJ+8/SLE1kvoU2TNwQ0GbeeKmUC1F6tYG w==; IronPort-SDR: xNHmcVC/GgncsUxlu6sDS3vI70+xmV+YCzuJzHdySrU/pbD6Fa6QRj+XVfVyjDBZ/nmM2H7iy4 +Sb7j8hP6x+NJwZiY5JNFSJ7kZSMChNhHq7Hae5KbmfHNktREVAEgzKk7GQApMM1MpioeZaZgQ R8/F+JdvgzH4qDaFTVIiIWgo0dBuA67CWt8KDXI+0na92i0V6IO7+5YFFCQZAuBqPDxqONcbec +5ihSkrOPWEz+nByCeMluIIqrpPuU73FAxLacn/Qy+2TIoSOecJCLhjrG0a4RC38l5wGN5JKxm gCA= X-IronPort-AV: E=Sophos;i="5.82,313,1613404800"; d="scan'208";a="168105835" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 20 May 2021 12:22:32 +0800 IronPort-SDR: CwgA/NFFAaWGZCsdIsv4G6BeyBNmE8pRmbMIPjYAdRcdbRzGA9uoS9V9OAdj1znRoIgJrKKw30 eTDukeu0zJOwYuqA3aeudCW77cOVhKbzODz/rNahtd/sQAI4x6SNtTsde+SBD0TqZPhMcRBT8A yAAWX5UWVrYMnzp/tVV7XN6EgJoVEWikKxpZ13q4SGeExkWVxgv3K6QtUPbWttSNdoAd3GuvwH 0mnUBf/GFTsuYrdMtMorvmg7guZI4mI0IEarp4JoD7Qpu5hVmjyEjdJ0u9s9XH86At3xCgKizp /A25amfEwezr2UQDE0DqdRAz Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2021 21:02:09 -0700 IronPort-SDR: J/48wiKhHEXS5SbzrB86Ab9A0rGE/5PNyqwr9Kj+Ra6ZBE7KWJmVhqAati3UyEL4cZQYdumb5c xO1BgASlgG89rXBU01EAiuIZc4cm4I6vAZ63H5dzpZjU8cpQVIsaNJTQkT0PY7RcEtiJfySMo9 6UwCfUdDiOMGpgVtJy74bqieMbYN05GgcGptHNQXvpa2pJ8VpJHZMBVlZyJGZNIBMp/E8ui49u f0LhLIOqRKRQohOdwylH78Jp1etczoUz+BVjXfQ7/d+viOLe+ETTf2l/mX0IbYWTAjLxeckIq2 Fxk= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 19 May 2021 21:22:31 -0700 From: Damien Le Moal To: dm-devel@redhat.com, Mike Snitzer , linux-block@vger.kernel.org, Jens Axboe Subject: [PATCH v2 02/11] block: introduce bio zone helpers Date: Thu, 20 May 2021 13:22:19 +0900 Message-Id: <20210520042228.974083-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520042228.974083-1-damien.lemoal@wdc.com> References: <20210520042228.974083-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Introduce the helper functions bio_zone_no() and bio_zone_is_seq(). Both are the BIO counterparts of the request helpers blk_rq_zone_no() and blk_rq_zone_is_seq(), respectively returning the number of the target zone of a bio and true if the BIO target zone is sequential. Signed-off-by: Damien Le Moal Reviewed-by: Hannes Reinecke --- include/linux/blkdev.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f69c75bd6d27..2db0f376f5d9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1008,6 +1008,18 @@ static inline unsigned int blk_rq_stats_sectors(const struct request *rq) /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); +static inline unsigned int bio_zone_no(struct bio *bio) +{ + return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + +static inline unsigned int bio_zone_is_seq(struct bio *bio) +{ + return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + static inline unsigned int blk_rq_zone_no(struct request *rq) { return blk_queue_zone_no(rq->q, blk_rq_pos(rq));