From patchwork Fri Oct 9 14:30:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 1379233 Return-Path: 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=) 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=Lnteg2jl; 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=e53+Uy/z; 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 4C79Y22nrLz9sRK for ; Sat, 10 Oct 2020 01:33:26 +1100 (AEDT) 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=DM93cGaoor1dICiIe5eg0i1fEDgm830Le3EBapdIoAg=; b=Lnteg2jlQDxpVSHTA17oj0UQE X9NScLttErnX9GvBmqxn8qaeGDKRsHrDycS+18lBIMXrHnSh2mtTE1kdG/38buSaF7nChPhp5unBb +9TJwur273H3kuiqME/I00l7tTgq8lRm5Y5Sl4z9beqaNIU/FVts+IR8HLVoWN7diSBnGwkgDTjw2 F/HiMtCMc8AgQ8PauJjFZMJOhNluL4D1VpIfcLss7hgHGMxCjLiHsb1jhqAdfVAtK5nT2Q8Tj8bo1 EgNmbNDMkPhgv7i0Fi1iJg+RabSpUrPjgPZdjpr0PEwodzkmuj+TsZf2hJd1u2pGk74ofkSMlX1sb 9P5bt+52Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtRR-0003vh-UD; Fri, 09 Oct 2020 14:32:18 +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 1kQtQM-0003MM-Gu; Fri, 09 Oct 2020 14:31:10 +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=8Z59nl1ynYz7T8ZQQZFooEYzqOOLn6C4o6AlvTemzR0=; b=e53+Uy/zWo55QNMz59Vn6a9Qfc 3KNiqJ/4fxfkgBjsQQ4r2mpc73+bcP9cg17+hspZn9ShexhM2dovyqmcBMu5GaB8hA2To0wbbvBMJ /nlk4qgT+2ebDto7HC57yP5fJnXuCZUAXxxzEE4vVEPafRXpzNr/tQHoWRdIL4c4xof573b+opNyD hSsx/CG+200mJ/A6A9gJfZS+yIIsP9SVUfQbvdMxgqzXAy1DNre7fetC5eIsQUsYE4Vb2r9NUVgeu KUwbxXsDpGEnc6dlpYDLdcVdnQa9DE6RbCg8tEQLI01IkTcUFhfy4/FZVquDvGlMZ35Qj3kd8hE+6 d1ybNPjg==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtQK-0005vJ-Ib; Fri, 09 Oct 2020 14:31:09 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Subject: [PATCH v2 09/16] fuse: Tell the VFS that readpage was synchronous Date: Fri, 9 Oct 2020 15:30:57 +0100 Message-Id: <20201009143104.22673-10-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 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-cifs@vger.kernel.org, Richard Weinberger , ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, "Matthew Wilcox \(Oracle\)" , linux-xfs@vger.kernel.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 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org The fuse readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) --- fs/fuse/file.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6611ef3269a8..7aa5626bc582 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -850,6 +850,8 @@ static int fuse_readpage(struct file *file, struct page *page) err = fuse_do_readpage(file, page); fuse_invalidate_atime(inode); + if (!err) + return AOP_UPDATED_PAGE; out: unlock_page(page); return err;