From patchwork Thu Apr 20 10:04:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13218346 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 5D793C77B7A for ; Thu, 20 Apr 2023 10:07:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234647AbjDTKHL (ORCPT ); Thu, 20 Apr 2023 06:07:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234579AbjDTKGO (ORCPT ); Thu, 20 Apr 2023 06:06:14 -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 377A52703; Thu, 20 Apr 2023 03:06:04 -0700 (PDT) Received: by mail-wm1-f50.google.com with SMTP id bg5so98927wmb.1; Thu, 20 Apr 2023 03:06:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681985162; x=1684577162; 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=CtDbz8KQ5RO2QKOv20A9cNZoc5bLawdSeLMzRI4Z4l0=; b=U0VQ443LtRLC6UM3+RXGJNgvMaWdAvmQHA6ced59So9B9NC0OvHm0Q/Q0d9HbbM1OU 0klpPot53zfXjlR7dDKHRyjoJmhrAokXWYtS0eZoErcJAAg9fkrk4JjiH5JgSdE+lMrz NHpz77t4OFmD76b7BbbCKDal10mqNE5EkQbjZGSnR3zcLIbiLm5E0jz9KStKiUQVkivT PBzQ7cUNnMuCDmoSDBEZ5XfyTcY1ZKdxOw3ffj+AEKWZJjO+KfJofNQmPlJmyjxr920o f9Ff77iKc16YwJjErCW538n9cM/17cs4XdR6XanCjFAIAYwdBcGEb9sFo7NQMtRmkd5P UrYQ== X-Gm-Message-State: AAQBX9fNvbaSttB6TSBonU1ly1S92hhOo+h51tziB7Aj45afCVLbt98d B73T1rlgrnUbHRwcmAL5ukg= X-Google-Smtp-Source: AKy350a56mipr+vcuuvteCVl6vdSUSuvPbGu+8fAW6sNayakzeH2qwRUzfz6kUaOZKyAbztXT40fIw== X-Received: by 2002:a1c:750b:0:b0:3ee:96f0:ea31 with SMTP id o11-20020a1c750b000000b003ee96f0ea31mr908797wmc.18.1681985162344; Thu, 20 Apr 2023 03:06:02 -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.88.2023.04.20.03.06.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Apr 2023 03:06:01 -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 , Dave Kleikamp Subject: [PATCH v4 10/22] jfs: logmgr: use __bio_add_page to add single page to bio Date: Thu, 20 Apr 2023 12:04:49 +0200 Message-Id: <20230420100501.32981-11-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 The JFS IO code uses bio_add_page() to add a page to a newly created bio. bio_add_page() can fail, but the return value is never checked. Use __bio_add_page() as adding a single page to a newly created bio is guaranteed to succeed. This brings us a step closer to marking bio_add_page() as __must_check. Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal Acked-by: Dave Kleikamp --- fs/jfs/jfs_logmgr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 695415cbfe98..15c645827dec 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1974,7 +1974,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio = bio_alloc(log->bdev, 1, REQ_OP_READ, GFP_NOFS); bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); - bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); + __bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); BUG_ON(bio->bi_iter.bi_size != LOGPSIZE); bio->bi_end_io = lbmIODone; @@ -2115,7 +2115,7 @@ static void lbmStartIO(struct lbuf * bp) bio = bio_alloc(log->bdev, 1, REQ_OP_WRITE | REQ_SYNC, GFP_NOFS); bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); - bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); + __bio_add_page(bio, bp->l_page, LOGPSIZE, bp->l_offset); BUG_ON(bio->bi_iter.bi_size != LOGPSIZE); bio->bi_end_io = lbmIODone;