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=-15.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 DA711C43461 for ; Thu, 17 Sep 2020 15:12:48 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 83CA02078D for ; Thu, 17 Sep 2020 15:12:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="t28WRLL4"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Ab937xav" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 83CA02078D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org 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=9CNArXNEKIHxP0G5HzAWCdGbAlBkwXtZAwXl8Ygp6no=; b=t28WRLL4fd+gukjQF2hK5b31W ZwqwI0LVnYOgj/MwZPBSSaHXVB4gKvqTjymR0Qg/wFMoKzyCxmWAyEu5CiqgPU8CV1oQKtQ4H6rA+ ofUnSf6XyEJM7PxwiulO+zS5ooo7y1AyOwmSK7cYjtHAJPf0TnnLprhx0wotSXpvjQl53UFlAzq2j yuZ9NyBuc11mgoxc7EhBnvpY3hOAcv+9WP3uFwARMNsGSoBGrDZGuWICIL56WNPBwxp89r6T3nHx0 2GF3sb0eFTw3Ge7tfV34VQGMntyTFoTwqhgAUQJXz4Lc4vKPcz5TS0t05qHyU9xszuzyIdidelAc6 Y8KJfmfZQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIva9-0000vy-Vm; Thu, 17 Sep 2020 15:12:22 +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 1kIvYm-0008W2-LC; Thu, 17 Sep 2020 15:10:56 +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=7bp7tBDREj0/quRwoGKFhcM4IA6X+ak+6znUWRbIy7w=; b=Ab937xavvtVmodPI2thUSGdAlk XIba4t3pVWHQS6GXPdgChNV++4m2pWszb+TrwGgDuHl9lLSuinZjp2hFDRXec+62BpUjm82laGwbh JN/W0bXPQaaE0Q5jmTXDfMNCxo+N33xx38Z5TH1Ekmq6LWsMu3AaAKlJNv2F36kXaJ1bzo4y69HPF L+XH8pTHAvL0tRdG4imOcEeu6JMtw6zPlA/0bm/X/VAPExraituJ0c+ceD9lLq4MB6OiwXHjnFLZM JeoXS++sD/pEEDMkBpD7WdUDOHe1HIUOdAEJpCDDg19BRjFTtuPDBSOja8O+dcKYbSjRiBIs5WHms Nj8/IOiw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvYl-0001Qv-Jz; Thu, 17 Sep 2020 15:10:55 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Subject: [PATCH 13/13] vboxsf: Tell the VFS that readpage was synchronous Date: Thu, 17 Sep 2020 16:10:50 +0100 Message-Id: <20200917151050.5363-14-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 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-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" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org The vboxsf inline data readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) --- fs/vboxsf/file.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c index c4ab5996d97a..c2a144e5cb5a 100644 --- a/fs/vboxsf/file.c +++ b/fs/vboxsf/file.c @@ -228,6 +228,8 @@ static int vboxsf_readpage(struct file *file, struct page *page) } kunmap(page); + if (!err) + return AOP_UPDATED_PAGE; unlock_page(page); return err; } -- 2.28.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/