From patchwork Thu Apr 20 10:04:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13219550 X-Patchwork-Delegate: snitzer@redhat.com 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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 639B0C77B7E for ; Fri, 21 Apr 2023 06:48:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1682059686; 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=6ZYAULUuXKhDV45BBK1WBFUkYr9gn4PqQ0XsojMCE1M=; b=ExcwQoAlzSIZDWTbGVOduLnLjjCOnbwaLrPs2R5/uOQwj6Ni8i1U4hsbqIkmNDVbalCuX7 FjfnvV96aQR+rR77Nzi8KMupRnN0L28kIXbtJBDhRwg25WFHuuE94A9Pc/YBub0+OFh55f RXjNuWGnvuGh+pzw/MLXd9NkTpGhmMQ= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-655-n9RDcfQTONuyo24pshifOg-1; Fri, 21 Apr 2023 02:48:04 -0400 X-MC-Unique: n9RDcfQTONuyo24pshifOg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 387F738221DE; Fri, 21 Apr 2023 06:47:57 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 20DEE2029F9C; Fri, 21 Apr 2023 06:47:57 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 16BC91946A4D; Fri, 21 Apr 2023 06:47:57 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 0CE871946A6E for ; Thu, 20 Apr 2023 10:06:04 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 4600B40C2020; Thu, 20 Apr 2023 10:05:59 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3DD7340C2064 for ; Thu, 20 Apr 2023 10:05:59 +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-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 218CD185A78B for ; Thu, 20 Apr 2023 10:05:59 +0000 (UTC) Received: from mail-wr1-f46.google.com (mail-wr1-f46.google.com [209.85.221.46]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-650-Db0YBNczMkaA7HTo9AhAgg-1; Thu, 20 Apr 2023 06:05:55 -0400 X-MC-Unique: Db0YBNczMkaA7HTo9AhAgg-1 Received: by mail-wr1-f46.google.com with SMTP id ffacd0b85a97d-2f625d52275so443789f8f.3; Thu, 20 Apr 2023 03:05:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681985154; x=1684577154; 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=asKpmswp0ZeanhVo76Eo+6VNkXdxI3jhQK0PDuQZThY=; b=SoGNF+1gRd5j4S7lSEEoROMnyybta0GSSP08O+cllQ8xkTjoJadnkyV8D1kpMutjUk tzQeJT4yov9A2aoPOleSHHa5X55J06fIqlNCzZyBXBaQ3Gmmeamw/AotSWnssLsm1P2y BTL9JUUidjjVKDa+2C7JTYwzl3IBTkq3AGpm+mmaBY9CO+K21eaSn1vfQFcQ3DVbkCw9 cAqL3ovMKcFa/PKERnva7JD7YeajCPmqWlgXo12A5EHuR+oVY7MSbEGuddIpgp7xV5vs 6/G1jIiV6t8dQqi3wiSyzUpyXZNQUmrzW5OIc5aWDa936DPkaz5M/Upv5eG0KziNQAcs RYqw== X-Gm-Message-State: AAQBX9es3Tj50XP/A67LC8IkyOnbJiaNPFHEHqyiVW4zjOzjTPuRTyIq 4Lvpas1gPlLpXhHaRhI5ZxA= X-Google-Smtp-Source: AKy350aEPjl5npFp/5W8Iqf2usu87C/1xVbllQj+JBJFP+rdftTKzTknJoS6cfDyj7W7tb2o1uXlCw== X-Received: by 2002:a5d:4ecd:0:b0:2fb:4121:285a with SMTP id s13-20020a5d4ecd000000b002fb4121285amr782830wrv.57.1681985153608; Thu, 20 Apr 2023 03:05:53 -0700 (PDT) Received: from localhost.localdomain (aftr-62-216-205-208.dynamic.mnet-online.de. [62.216.205.208]) by smtp.googlemail.com with ESMTPSA id l11-20020a5d674b000000b0030276f42f08sm201410wrw.88.2023.04.20.03.05.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Apr 2023 03:05:53 -0700 (PDT) From: Johannes Thumshirn To: axboe@kernel.dk Date: Thu, 20 Apr 2023 12:04:42 +0200 Message-Id: <20230420100501.32981-4-jth@kernel.org> In-Reply-To: <20230420100501.32981-1-jth@kernel.org> References: <20230420100501.32981-1-jth@kernel.org> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Mailman-Approved-At: Fri, 21 Apr 2023 06:47:49 +0000 Subject: [dm-devel] [PATCH v4 03/22] dm: dm-zoned: use __bio_add_page for adding single metadata page X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: shaggy@kernel.org, jfs-discussion@lists.sourceforge.net, linux-mm@kvack.org, dm-devel@redhat.com, hch@lst.de, agruenba@redhat.com, Damien Le Moal , willy@infradead.org, cluster-devel@redhat.com, kch@nvidia.com, snitzer@kernel.org, ming.lei@redhat.com, linux-block@vger.kernel.org, rpeterso@redhat.com, dsterba@suse.com, linux-raid@vger.kernel.org, damien.lemoal@wdc.com, song@kernel.org, johannes.thumshirn@wdc.com, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org From: Johannes Thumshirn dm-zoned uses bio_add_page() for adding a single page to a freshly created metadata bio. Use __bio_add_page() instead as adding a single page to a new bio is always guaranteed to succeed. This brings us a step closer to marking bio_add_page() __must_check Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal --- drivers/md/dm-zoned-metadata.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index cf9402064aba..8dbe102ab271 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -577,7 +577,7 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd, bio->bi_iter.bi_sector = dmz_blk2sect(block); bio->bi_private = mblk; bio->bi_end_io = dmz_mblock_bio_end_io; - bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); submit_bio(bio); return mblk; @@ -728,7 +728,7 @@ static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk, bio->bi_iter.bi_sector = dmz_blk2sect(block); bio->bi_private = mblk; bio->bi_end_io = dmz_mblock_bio_end_io; - bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0); submit_bio(bio); return 0; @@ -752,7 +752,7 @@ static int dmz_rdwr_block(struct dmz_dev *dev, enum req_op op, bio = bio_alloc(dev->bdev, 1, op | REQ_SYNC | REQ_META | REQ_PRIO, GFP_NOIO); bio->bi_iter.bi_sector = dmz_blk2sect(block); - bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0); + __bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0); ret = submit_bio_wait(bio); bio_put(bio);