From patchwork Wed Jul 31 21:01:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 11069501 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E8328746 for ; Wed, 31 Jul 2019 21:02:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D856B27F17 for ; Wed, 31 Jul 2019 21:02:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC9AA27F82; Wed, 31 Jul 2019 21:02:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7184327F17 for ; Wed, 31 Jul 2019 21:02:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726421AbfGaVCK (ORCPT ); Wed, 31 Jul 2019 17:02:10 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:41878 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726268AbfGaVCK (ORCPT ); Wed, 31 Jul 2019 17:02:10 -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=1564606931; x=1596142931; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=NSomUKo7kGp1ISvH1icFd6X5WQMDjpWSwgevf/PzYy0=; b=pJ83vmctxZaJomgd1VFVSo5KKWWchYnh+pT5+DToNcanP2J1IzTWrLBd mrBz2PAQyR/MwjQjH8mfLbZ1FAT+SEcFxm7DVFZ4AcxEjcpQy2vfeHE4P yuhgflFJUQAuklui/i+lG4ZA051n6/nSrZIP1W+uBgIHXbOTFymEpA7vZ muV6KUSgVk7eHDHpC8wd0bwG+11FT9W7ckiIV/MwVhWyM/ANYFDfYb00/ P8Ilo73WYvVRmanfVFL9IFvr2EDC70Vl6VWnyxdTU74zaASJebkHaQ0ue irLnIekIrbvk6XbdiHvEPz9maPUBCB/4zqVMOXH425WF8J67dJzOxzs2k A==; IronPort-SDR: v51SlOvX79Tp5a6YYZKzN2d6NF4pGXx2a1UdcdmA5+9U+mbc1uy95kqvNVy8Mv7VIDRE0EpviD 7J0k0lzAEwEXHqeOBinrgD9NoEnRzFs80bxg94UwiQLzoMvmqSPVf2r6vWGrA4yXs5HdJ1PXQU pr/FEqXGDs4LpWzrau+0xmrl2gkKpOHw/mVz2iytzgiNkX73P3Qw+HUw0lL9TcCEcvvXzPrZam kUJsrLSMK8jnk71MhLICM/gcOYRWMVmIYaBh3LdbQsm9yXxO2OYljK47J7aAzTjIfoWy7zwwKG AwI= X-IronPort-AV: E=Sophos;i="5.64,331,1559491200"; d="scan'208";a="119303865" 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; 01 Aug 2019 05:02:07 +0800 IronPort-SDR: luzbxR8g/CenbYOAkcDZZFORQgqlEhOO7DljDf6Pmps2aQAXDVxP/4IzhhXLizpt0Ai+xU0/m7 D+3l0/+TYkwKlh+5jY7OMGHO6NX5096Tps4ti4kNoqrf/jhtLDX/npSEGHh2GkK0UZgz8spz0x y5ZTeQ+ngidH/3BPlYUc5T52+YCuJXOjOGpE2mVhqPLXNGGn0Pg3zwh8vb4VpeRjwv1sKMirce aw5WAFk/YFuP23HviNhEsbBu48e4CKQjxDrYvFhrh+73yAMevoMQc9kuwlbUxI9K65vRYddGaP cb2C9AF+f2WD8+ibGRq38nfR 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; 31 Jul 2019 14:00:06 -0700 IronPort-SDR: EIf/bz18sWQ5oKgdcNXtK/+/6sB3XfeDvjnP+iV/h4SdMlQBJ4AK0O+9oUBHmGf5YCOnr/iAn+ 3KUx9r4eCSeKO35hri4x6vu5A05BDe64+dHtnXplehg9cZOKwkZJcgQlB27CttGUJHTxqZO1h1 1ZGejDYuV1GcC288RWYFpPgn1erkkRIMfw61ERNiiIRtfn78AL42aM7byyAPTwb0Hx+DGucVGU 2npTa9S8dA77EBLbBrzZRlowZB6GWegMV8kA6U3Vjq7ZyERqk1olRy74HsT5mRSUbYYn8mSFpA g44= Received: from cvenusqemu.hgst.com ([10.202.66.73]) by uls-op-cesaip02.wdc.com with ESMTP; 31 Jul 2019 14:02:05 -0700 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org Cc: axboe@kernel.dk, jejb@linux.ibm.com, dennis@kernel.org, hare@suse.com, damien.lemoal@wdc.com, sagi@grimberg.me, dennisszhou@gmail.com, jthumshirn@suse.de, osandov@fb.com, ming.lei@redhat.com, tj@kernel.org, bvanassche@acm.org, martin.petersen@oracle.com, Chaitanya Kulkarni Subject: [PATCH 4/4] null_blk: implement REQ_OP_ZONE_RESET_ALL Date: Wed, 31 Jul 2019 14:01:02 -0700 Message-Id: <20190731210102.3472-5-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20190731210102.3472-1-chaitanya.kulkarni@wdc.com> References: <20190731210102.3472-1-chaitanya.kulkarni@wdc.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch implements newly introduced zone reset all operation for null_blk driver. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Damien Le Moal --- drivers/block/null_blk_main.c | 3 +++ drivers/block/null_blk_zoned.c | 28 ++++++++++++++++++++++------ 2 files changed, 25 insertions(+), 6 deletions(-) diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index 99328ded60d1..99c56d72ff78 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1214,6 +1214,8 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd) null_zone_write(cmd, sector, nr_sectors); else if (op == REQ_OP_ZONE_RESET) null_zone_reset(cmd, sector); + else if (op == REQ_OP_ZONE_RESET_ALL) + null_zone_reset(cmd, 0); } out: /* Complete IO by inline, softirq or timer */ @@ -1688,6 +1690,7 @@ static int null_add_dev(struct nullb_device *dev) blk_queue_chunk_sectors(nullb->q, dev->zone_size_sects); nullb->q->limits.zoned = BLK_ZONED_HM; + blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, nullb->q); } nullb->q->queuedata = nullb; diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c index cb28d93f2bd1..8c7f5bf81975 100644 --- a/drivers/block/null_blk_zoned.c +++ b/drivers/block/null_blk_zoned.c @@ -125,12 +125,28 @@ void null_zone_reset(struct nullb_cmd *cmd, sector_t sector) struct nullb_device *dev = cmd->nq->dev; unsigned int zno = null_zone_no(dev, sector); struct blk_zone *zone = &dev->zones[zno]; + size_t i; + + switch (req_op(cmd->rq)) { + case REQ_OP_ZONE_RESET_ALL: + for (i = 0; i < dev->nr_zones; i++) { + if (zone[i].type == BLK_ZONE_TYPE_CONVENTIONAL) + continue; + zone[i].cond = BLK_ZONE_COND_EMPTY; + zone[i].wp = zone[i].start; + } + break; + case REQ_OP_ZONE_RESET: + if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) { + cmd->error = BLK_STS_IOERR; + return; + } - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) { - cmd->error = BLK_STS_IOERR; - return; + zone->cond = BLK_ZONE_COND_EMPTY; + zone->wp = zone->start; + break; + default: + cmd->error = BLK_STS_NOTSUPP; + break; } - - zone->cond = BLK_ZONE_COND_EMPTY; - zone->wp = zone->start; }