From patchwork Fri Oct 9 14:30:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 1379205 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=nVjgqAkI; 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=iTjT9cVA; 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 4C79Wb3WpVz9sTf for ; Sat, 10 Oct 2020 01:32:11 +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=2EV6CkgpGylvnkYZhOaVelArN/hEVwq0cwbTB4JcoHs=; b=nVjgqAkII+QZKP8dgopiDfikK qDfezgbamzzdVBKPPaACgtJAMPItrIQwn2BhqUgYzf8nmHZ90ZmicYU7xLr/QEq3ixTJy+GQv4r5o m55/y8L0R/t9zi4m3+ZB/eO16Tyq83ZKjPNOpKbrztWY1aCecKN9QHkpbX0Qs+WW3xlpxtzb/cXDB V66T9poNMJpLXFb3ApYs5BD2hjQI58uUNxXRIPtRPhYJK70OadDcHrABHwB1s/uUtpuJJnN++Y9Th p0zwzvxP1xDf1kf5l4AF0LNYRMqwfvOAGpQhNwTi9FWopl4h345mAOHKuS94BWm9CeINk8jVeENXM zzactcy8Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtQl-0003WE-Hn; Fri, 09 Oct 2020 14:31:35 +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 1kQtQK-0003LG-C8; Fri, 09 Oct 2020 14:31:08 +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=Wff0t85oZfmMq4nKnDr8r5OGugvLiUKKANRhHeeeqKg=; b=iTjT9cVAzxL+HFNND4c7bTUm0A cQ7Q4cFEOiMwm5k+E3zByW3wLYo8zhN1erCYDFphc6nSzwQFSCSY9aglC6iI982T0s/d0f/InI8Xc BkhHIhCxeR7X9pLeAJZjiST+9Rv9Ed07YRJR5hbvVbvJxPLXiBTCi/0LoJ1lDLESkSvegZM04Vi6J vxEvMWz/FS9p7kQDYoZygU55D4p2locN/Kpyv89PI0Qy+EzoBXlbKi/sgLQUJzUqXMZ31/BHuA1rQ tZEH+hHAfbpg/8SiWVjUEEBfd/E3hxwSBkmGn+O3Vkm31KMJv6lBqQiLNLp5drW2utVo1jYw6zZAs e6KzRXJA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtQJ-0005ul-7N; Fri, 09 Oct 2020 14:31:07 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Subject: [PATCH v2 04/16] afs: Tell the VFS that readpage was synchronous Date: Fri, 9 Oct 2020 15:30:52 +0100 Message-Id: <20201009143104.22673-5-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 afs readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) --- fs/afs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/afs/file.c b/fs/afs/file.c index 371d1488cc54..4aa2ad3bea6a 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -367,7 +367,8 @@ int afs_page_filler(void *data, struct page *page) BUG_ON(PageFsCache(page)); } #endif - unlock_page(page); + _leave(" = AOP_UPDATED_PAGE"); + return AOP_UPDATED_PAGE; } _leave(" = 0");