Message ID | 20200917151050.5363-8-willy@infradead.org |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=IsXqYilu; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=UY+WWn03; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4BsgRv5d3Xz9sTq for <incoming@patchwork.ozlabs.org>; Fri, 18 Sep 2020 01:12:11 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MBzZeh5iB9hH5thU0a9dcpiN/J0wIBudBVVSvEZc8SU=; b=IsXqYiluTMgOJCsDTi8ubqVfR Si9KRHsK/H9CAlG/A6c0RZ3MpauGr1GJsbGo6e8XMXUSUIuS0FEDPH+Je25pOMC7dphoYdp9UbiY5 /FsbRyrXgda3RjVIi7+Ci2C/47WaQGkttjEsb+OCjU1pcQKGRT301ND0kQog6klhRL5iZcoa9v1Gz s7S+kJDmRkCCYV5/1pdeA6bgOi9E1phXtACPB6ddQILGMD/mbOQVIxDPVS+b9Y4xkAwhK1kPupK3D 7rU5XPzw3UPFwObUYzUrffxyVMjph5ZjF5AEGiIRPIwQoo23cbYxNnt+7gvEhh/8YZ7z5zmkfX2eG MOl0GWV3w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvZC-0000LU-Tc; Thu, 17 Sep 2020 15:11:22 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvYk-0008Ul-Qs; Thu, 17 Sep 2020 15:10:54 +0000 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=UY+WWn03vEnSCFKL2cQHuVM2i1 QWe+kigsY5nChj3dZW/h0aA6t4GCygWRYiPrbLnPJyTb6ae0uBq7cwL0EVmUXxakpgq2oapyhxDVe kBTCeumlVxnjVbvMWT8TED6H5Lcw3uow0f5XM1VjF7pOlh95YVKHtIN/5KguGYPRny3fc7WmToepE 6Jv3+/5X4HTO12zMC+BPVGhiLP9iGEug/FLiAS+EZQ5RUi5fhnhqUz6TLDBMJmQh4+piAUkJgSqEP GBPJGhPkoKX4qDNExrVMjUWBmj38ZJGRM5eAJLVtOUR4LK3uM6CBTW568DQXcnfRhTgPg5qDs7lV7 kS4OBj7Q==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvYj-0001Pz-KI; Thu, 17 Sep 2020 15:10:53 +0000 From: "Matthew Wilcox (Oracle)" <willy@infradead.org> To: linux-fsdevel@vger.kernel.org Subject: [PATCH 07/13] ecryptfs: Tell the VFS that readpage was synchronous Date: Thu, 17 Sep 2020 16:10:44 +0100 Message-Id: <20200917151050.5363-8-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200917151050.5363-1-willy@infradead.org> References: <20200917151050.5363-1-willy@infradead.org> MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Cc: linux-cifs@vger.kernel.org, Richard Weinberger <richard@nod.at>, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, "Matthew Wilcox \(Oracle\)" <willy@infradead.org>, linux-mm@kvack.org, linux-mtd@lists.infradead.org, v9fs-developer@lists.sourceforge.net, ceph-devel@vger.kernel.org, linux-afs@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
Allow readpage to return a locked page
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expand
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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, struct page *page) } } out: - if (rc) - ClearPageUptodate(page); - else - SetPageUptodate(page); - ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16lx]\n", + ecryptfs_printk(KERN_DEBUG, "Returning page with index = [0x%.16lx]\n", page->index); + if (!rc) { + SetPageUptodate(page); + return AOP_UPDATED_PAGE; + } + ClearPageUptodate(page); unlock_page(page); return rc; }
The ecryptfs readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/ecryptfs/mmap.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)