From patchwork Tue Jan 26 14:52:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12047185 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68E22C433E0 for ; Tue, 26 Jan 2021 15:25:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 07454230FE for ; Tue, 26 Jan 2021 15:25:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 07454230FE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 977358D00EA; Tue, 26 Jan 2021 10:25:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 925F58D00B0; Tue, 26 Jan 2021 10:25:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 815658D00EA; Tue, 26 Jan 2021 10:25:35 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0205.hostedemail.com [216.40.44.205]) by kanga.kvack.org (Postfix) with ESMTP id 66D9E8D00B0 for ; Tue, 26 Jan 2021 10:25:35 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 25A19181AF5C1 for ; Tue, 26 Jan 2021 15:25:35 +0000 (UTC) X-FDA: 77748300630.16.snake25_130f7402758f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin16.hostedemail.com (Postfix) with ESMTP id EC4C3100E6917 for ; Tue, 26 Jan 2021 15:25:34 +0000 (UTC) X-HE-Tag: snake25_130f7402758f X-Filterd-Recvd-Size: 3151 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf42.hostedemail.com (Postfix) with ESMTP for ; Tue, 26 Jan 2021 15:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=D/eDIBgr0QhzI/ySPX/2hbyfNquR7e3bfpvNVnt2JfU=; b=D0vECFFPgjNDQdJXrlwGlO9SXK bqCpsr0IXEJRRcGpwx6o5eclpUuMr9hHDwI1bvP9dHmDZCFUvdFXs74twhireq6A3R0hjw3E27Nhq gND3stVtzuc7AUN5QzdwSwuYTW+D6ywHC6ueGNxmoNigkTBe53X3elgpHHvEzb3YXnLWpSzS6cRY3 b+0bPbazRaqeOhh/6Ib7cYH6Q/rvQJcP32gM5YG6ZgJ9hUwYhUtMGEdDPzgQv3QJ5k9q3J/5gW/oc SobtocU4AJ+ibrvafFyuDHBvtV8jwxST24FpYyK6VNjS7eabZ5oOXO7IlLknAN9gmIoy8gv7yJ8WG rrOnQYxQ==; Received: from [2001:4bb8:191:e347:5918:ac86:61cb:8801] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1l4Q8n-005ohh-NM; Tue, 26 Jan 2021 15:21:22 +0000 From: Christoph Hellwig To: Jens Axboe , Song Liu Cc: Jaegeuk Kim , Chao Yu , Philipp Reisner , Lars Ellenberg , Coly Li , Mike Snitzer , Josef Bacik , David Sterba , Damien Le Moal , Naohiro Aota , Andrew Morton , Ryusuke Konishi , linux-nilfs@vger.kernel.org, dm-devel@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 16/17] nilfs2: remove cruft in nilfs_alloc_seg_bio Date: Tue, 26 Jan 2021 15:52:46 +0100 Message-Id: <20210126145247.1964410-17-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210126145247.1964410-1-hch@lst.de> References: <20210126145247.1964410-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: bio_alloc never returns NULL when it can sleep. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- fs/nilfs2/segbuf.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index 1a8729eded8b14..1e75417bfe6e52 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -386,10 +386,6 @@ static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start, struct bio *bio; bio = bio_alloc(GFP_NOIO, nr_vecs); - if (bio == NULL) { - while (!bio && (nr_vecs >>= 1)) - bio = bio_alloc(GFP_NOIO, nr_vecs); - } if (likely(bio)) { bio_set_dev(bio, nilfs->ns_bdev); bio->bi_iter.bi_sector =