From patchwork Tue May 30 15:49:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13260585 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 DAFD7C77B73 for ; Tue, 30 May 2023 15:51:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232662AbjE3Pvc (ORCPT ); Tue, 30 May 2023 11:51:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232755AbjE3Pua (ORCPT ); Tue, 30 May 2023 11:50:30 -0400 Received: from esa4.hgst.iphmx.com (esa4.hgst.iphmx.com [216.71.154.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FA7711F; Tue, 30 May 2023 08:50:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1685461822; x=1716997822; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8KwDx4F6OBY0YkNe6TbB7WM/40haMFuwXNEas5IG6CQ=; b=KBTUT0PANq+YrqjoDqUZC95OIzP8CRi3cnoctS7GlafUzXOVKDFudvvN X23XUpWrSslJs8LK6FiZC70L8FO1eHy76zy2qIdkquBrFPzC2GmELCExb h1GHo8Ytbxsdps1kFitUb+glsYcdbM0jRGp+9xw8kE4SnQTUB7oE9XDfN 0HDyvb2qltjOxcRRqT9e9u4ALaNZop/RqXEH38JbMZg9q3pypsAA7SMyL Pb97eoq6Q1+ftnPI1EDO4T4C1gS8KIpYEHvmcSCO39amblxOfD0fgzWqP i7tHU6oCXtBERy2OyOBo6Dehhnqyyr7l+9y3C19PuE25Yx5qQYyFZQ8Y6 A==; X-IronPort-AV: E=Sophos;i="6.00,204,1681142400"; d="scan'208";a="230129872" 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; 30 May 2023 23:50:21 +0800 IronPort-SDR: WW6wP5xZmURpU0Ve0M2YSGnd/fH/LEvsAzSqvIYME+ylsAOqxItHUxQnznkUCgTryHPgxVXtmb OrzwjJPEGEMSWKNLOaj0/lKI9y704DvP92vviynQ0l2BekjRXes5Rug0N4G2QrkcZkpur9DZq4 VRFRNRSe9sz8e4v31K8LMNLh0d8hFsrn8J1FrTfhxE5Ru3oq3ZnJK+jMaz05XdKZaPxVHnENNs qJSAKF14L1Pq9mIHW13mN+1jV7dx1A3G658YYnYTgcs4/ObvqbtsO/XTFbPSR20kNE8THvxkm9 BFc= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 30 May 2023 08:05:14 -0700 IronPort-SDR: eRxexFOpgVAiI/6qc3M2HlLMqG5hyprbnE2P5xkzi3wCU7bzC6rmbI3U41KClPzQrimk3nomV8 vOG7AELmgo3HFPJEeyzLWnnwIz34HEVY8liiQQjfWPND8wASjp6PauRIZ4LoQjvCc69Za4Fbl6 m+vZp4/ReRXC7hP9oNIBNf52TfQ/tdnag2K72W9yus3jFs/hvE58IgRrdFN52PYehAVf60iVrp tQueGHSyM+3hE4aPseYmzkNOHWMUssVoGCGrDEwV68pXp9pAvW+foUD6P2gQQwUQv2prEnyRo8 O5Y= WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip02.wdc.com with ESMTP; 30 May 2023 08:50:18 -0700 From: Johannes Thumshirn To: Jens Axboe Cc: Christoph Hellwig , Hannes Reinecke , Chaitanya Kulkarni , Damien Le Moal , Ming Lei , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dm-devel@redhat.com, Song Liu , linux-raid@vger.kernel.org, Mike Snitzer , Matthew Wilcox , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com, Bob Peterson , Andreas Gruenbacher , Mikulas Patocka , gouhao@uniontech.com, Johannes Thumshirn , Damien Le Moal Subject: [PATCH v6 17/20] block: mark bio_add_page as __must_check Date: Tue, 30 May 2023 08:49:20 -0700 Message-Id: <7b1df30b0db4cd34a3c9d66c9c126dccaf2eb52f.1685461490.git.johannes.thumshirn@wdc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Now that all users of bio_add_page check for the return value, mark bio_add_page as __must_check. Reviewed-by: Damien Le Moal Signed-off-by: Johannes Thumshirn --- include/linux/bio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index b3e7529ff55e..5d5b081ee062 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -465,7 +465,7 @@ extern void bio_uninit(struct bio *); void bio_reset(struct bio *bio, struct block_device *bdev, blk_opf_t opf); void bio_chain(struct bio *, struct bio *); -int bio_add_page(struct bio *, struct page *, unsigned len, unsigned off); +int __must_check bio_add_page(struct bio *, struct page *, unsigned len, unsigned off); bool bio_add_folio(struct bio *, struct folio *, size_t len, size_t off); extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int);