From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 A4E6BC43457 for ; Fri, 9 Oct 2020 14:31:24 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4D2D4222C4 for ; Fri, 9 Oct 2020 14:31:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="XNzZbSwQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D2D4222C4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 20D4E6B007D; Fri, 9 Oct 2020 10:31:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 195D6940007; Fri, 9 Oct 2020 10:31:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1C236B0082; Fri, 9 Oct 2020 10:31:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0230.hostedemail.com [216.40.44.230]) by kanga.kvack.org (Postfix) with ESMTP id 7ACB06B0074 for ; Fri, 9 Oct 2020 10:31:14 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 12D841EE6 for ; Fri, 9 Oct 2020 14:31:14 +0000 (UTC) X-FDA: 77352624468.06.sleep65_3604e2b271e1 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id C82F0101BB173 for ; Fri, 9 Oct 2020 14:31:13 +0000 (UTC) X-HE-Tag: sleep65_3604e2b271e1 X-Filterd-Recvd-Size: 2826 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf42.hostedemail.com (Postfix) with ESMTP for ; Fri, 9 Oct 2020 14:31:13 +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=jmv1iA6ONHdhBCtewTigT8o0CWZcxoZXOX5KqmVgnTU=; b=XNzZbSwQBr1O0Cq9RqMvPhd6Th 3/cZhq8AKMqNDl+YLfIMFJ16Mi8FFxIl13HW+TS4wCj+ArkMasaZPuF0/mGpLKUUXuYxafLrMqSHb GoxSJfWliAqjmPOnj3b0ZKft/67A6g9Fr10aR4luuXWMrQ2NR4t8PS/XdVIMXeE1ZS0NxTBE7GnuS 4nljrczeHw39ur1ALlok+R9tqGltRa9YMBoWceemPmxeu73aaHuzxMnScDcSq5wwPvWPo6mBaRDyp AcmBkgLjznHCcnIMJfCL6gB8B1l7faHSRU3ubSlA+JJl2CHNImoG5KSRQJ7ZwGlHs3l9m11pvBhVq Bu8cManA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtQK-0005vD-9J; Fri, 09 Oct 2020 14:31:08 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-mtd@lists.infradead.org, Richard Weinberger , linux-xfs@vger.kernel.org Subject: [PATCH v2 08/16] ecryptfs: Tell the VFS that readpage was synchronous Date: Fri, 9 Oct 2020 15:30:56 +0100 Message-Id: <20201009143104.22673-9-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201009143104.22673-1-willy@infradead.org> References: <20201009143104.22673-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: The ecryptfs readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) --- fs/ecryptfs/mmap.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 019572c6b39a..dee35181d789 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -219,12 +219,13 @@ static int ecryptfs_readpage(struct file *file, str= uct page *page) } } out: - if (rc) - ClearPageUptodate(page); - else - SetPageUptodate(page); - ecryptfs_printk(KERN_DEBUG, "Unlocking page with index =3D [0x%.16lx]\n= ", + ecryptfs_printk(KERN_DEBUG, "Returning page with index =3D [0x%.16lx]\n= ", page->index); + if (!rc) { + SetPageUptodate(page); + return AOP_UPDATED_PAGE; + } + ClearPageUptodate(page); unlock_page(page); return rc; } --=20 2.28.0