From patchwork Wed Apr 19 14:09:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13216926 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 61D08C77B73 for ; Wed, 19 Apr 2023 14:11:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232446AbjDSOLN (ORCPT ); Wed, 19 Apr 2023 10:11:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232097AbjDSOLC (ORCPT ); Wed, 19 Apr 2023 10:11:02 -0400 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E75514476; Wed, 19 Apr 2023 07:10:45 -0700 (PDT) Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-3f182d74658so1441795e9.0; Wed, 19 Apr 2023 07:10:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681913444; x=1684505444; 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=Zui6mzuCIYT44ZljpViE1eL00cjfyGbHqFNUYNbBF6oHI3LlZdDrSS4M27+a3jTOTp nOC2UbBV+9LjVSM6s8wP+SaslbhujGXoEI7085xKNCxFuez6SsRv9YIlTZzt1il8lWO7 gQ/0T150X/9YQBj0XUrPcT8xwCkLRd0ZaomEF35muWslAWlobgRZL8qmtlmWgSxfy1O5 ANI1r2hW8iZv81U9spo1QWeb2l11satcWV4rlU+nirH0r2b4UIhGiUmYq3USHM7Qpjwb ffr+oTavsWcyyOESxOGNNQH/0UWCOyphKFwFyF4W4hSrK+u+xsf7Pq7JgIxnOlfPgeLh nmcA== X-Gm-Message-State: AAQBX9cqKVZBjbnSkL3odWp4N/+G4iRoUK7sroVPZ5jF+/I+SQmQlv7X oaHjcS6Jm4BQ/EarZv9fImA= X-Google-Smtp-Source: AKy350Ze8Tv0YqSXT14neaUNfEVUUfvrnu6p2Ls7vR1xgw5JSmGx7I9PgXV6gytGGhd8sVCBPP0ulQ== X-Received: by 2002:adf:e584:0:b0:2fa:3af5:bd36 with SMTP id l4-20020adfe584000000b002fa3af5bd36mr4878832wrm.24.1681913443959; Wed, 19 Apr 2023 07:10:43 -0700 (PDT) Received: from localhost.localdomain (aftr-62-216-205-204.dynamic.mnet-online.de. [62.216.205.204]) by smtp.googlemail.com with ESMTPSA id q17-20020a5d61d1000000b002faaa9a1721sm7612089wrv.58.2023.04.19.07.10.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 07:10:43 -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 v3 10/19] jfs: logmgr: use __bio_add_page to add single page to bio Date: Wed, 19 Apr 2023 16:09:20 +0200 Message-Id: <20230419140929.5924-11-jth@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230419140929.5924-1-jth@kernel.org> References: <20230419140929.5924-1-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;