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: 13218336 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79022C77B7A for ; Thu, 20 Apr 2023 10:06:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234418AbjDTKG0 (ORCPT ); Thu, 20 Apr 2023 06:06:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234480AbjDTKGC (ORCPT ); Thu, 20 Apr 2023 06:06:02 -0400 Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49C30359D; Thu, 20 Apr 2023 03:05:55 -0700 (PDT) Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-3f17f31c258so5565425e9.0; Thu, 20 Apr 2023 03:05:55 -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=ZTx02YELbHEvCKZhI6ACN+Iq5mOPju7L7PIUB0J7gWHSvRI78a7dntT5hAIRnJM4DX aSbfxii7TtyhS3A6t9If0ZDOmy3j7akOyQ+oWcqNf0UlGPKXpjFj5B+yh2Ck6DdkPLgs unvptYfCu6fjwUngEU9IE2amWJvya+E62EWmGSHmy94o1OqVsv3jCovH/Fm7FDHi2X6n rgfmDdv+TqYBNQm8LQ9QfDqzC9JIFB2qAHVEbOFyZocpuk5g3ZcLAjXlx6wzSsH/SSTW sJSHUQkQqf0hxn8xDgeE8YmbcZcnPMKnTzFJ7quxkhwIYWaco0Y7bML1PLf+u8xdT5wb 21Kg== X-Gm-Message-State: AAQBX9eF/DrUOVuP/T2KOYxotu7AkJc/7BsC0HmISdFfATx5kYrt7cVW RQ9DznszXY5lNhP+jgTN4GE= 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 Cc: johannes.thumshirn@wdc.com, agruenba@redhat.com, cluster-devel@redhat.com, damien.lemoal@wdc.com, dm-devel@redhat.com, dsterba@suse.com, hare@suse.de, hch@lst.de, jfs-discussion@lists.sourceforge.net, kch@nvidia.com, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-raid@vger.kernel.org, ming.lei@redhat.com, rpeterso@redhat.com, shaggy@kernel.org, snitzer@kernel.org, song@kernel.org, willy@infradead.org, Damien Le Moal Subject: [PATCH v4 03/22] dm: dm-zoned: use __bio_add_page for adding single metadata page Date: Thu, 20 Apr 2023 12:04:42 +0200 Message-Id: <20230420100501.32981-4-jth@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230420100501.32981-1-jth@kernel.org> References: <20230420100501.32981-1-jth@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.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);