From patchwork Tue Jan 26 14:52:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12047159 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 799C4C4332B for ; Tue, 26 Jan 2021 15:25:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A97523101 for ; Tue, 26 Jan 2021 15:25:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392744AbhAZPYn (ORCPT ); Tue, 26 Jan 2021 10:24:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392797AbhAZPY0 (ORCPT ); Tue, 26 Jan 2021 10:24:26 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3777C061A29; Tue, 26 Jan 2021 07:23:45 -0800 (PST) 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=eRxdbvHrWwCg8ehIKzqaoZWUzsjM/Z9D1y3UwSDV4xY=; b=J6ds2suhWptTFI0URR1OjWJ7nG bFD9DPemPNjvWMkXWcox96rWMxKJ3XW6l1ppx21TRVcFUwpPlv6jvoA7XT9KXgcP6o2uX0j7RoRpv +z2mnPOBw/61en4ioO6qQ6wGDJueVg8AaKJWPDmdZAEUaq4i8ltdczsdeLE2HJcafnbJPknGxvdRx 6NwXe9EcMss4nABThjLiNd3HAoJX9+5JELtc5RkBTpk8I4lDiozmMUqCwxXwNWPeY3eLQi68Xnwox gS5RyvHMHo1HvrS9S/ZtiOeZ/5pCLfhriYZcy0wlYNzlK/z57Bs0TCbgXcPCP6dq83/2TMqyhn6iV oe2pPxoQ==; 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 1l4Q7U-005oX0-8C; Tue, 26 Jan 2021 15:19:23 +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 15/17] nfs/blocklayout: remove cruft in bl_alloc_init_bio Date: Tue, 26 Jan 2021 15:52:45 +0100 Message-Id: <20210126145247.1964410-16-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 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org bio_alloc never returns NULL when it can sleep. Signed-off-by: Christoph Hellwig --- fs/nfs/blocklayout/blocklayout.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 3be6836074ae92..1a96ce28efb026 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -123,11 +123,6 @@ bl_alloc_init_bio(int npg, struct block_device *bdev, sector_t disk_sector, npg = min(npg, BIO_MAX_PAGES); bio = bio_alloc(GFP_NOIO, npg); - if (!bio && (current->flags & PF_MEMALLOC)) { - while (!bio && (npg /= 2)) - bio = bio_alloc(GFP_NOIO, npg); - } - if (bio) { bio->bi_iter.bi_sector = disk_sector; bio_set_dev(bio, bdev);