From patchwork Thu Sep 17 15:10:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11782819 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64B3C112E for ; Thu, 17 Sep 2020 15:45:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EA792068D for ; Thu, 17 Sep 2020 15:45:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JpgNMgAM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727239AbgIQPOw (ORCPT ); Thu, 17 Sep 2020 11:14:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727962AbgIQPLm (ORCPT ); Thu, 17 Sep 2020 11:11:42 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 70A06C06121E; Thu, 17 Sep 2020 08:11:03 -0700 (PDT) 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=On43e4GnGO79fh9MGOiH3t2swuO0c44z7mV7G3PjPdg=; b=JpgNMgAMtP37e2z1ODJoACSlyK ZQFRFUMyW6V2MeLhpTmyJAeub1VQHVFoEFbrpdAuEICFyc0AHXjewrnjzRXfMEuzWL7E+dyYGabyd A1RS7Tonh20I00pQtRnWsnK+nfLGfgwVuwmiwJCERV56YcrH+xTkJxvoSXyxbudjVRNVQZQPsJGDw /GSHYP46vWHoYPnjADmCSGZO9olC+ksUnB6Jcrds+VDufa4bFLZCIQpaFfLSIplfPdvT9nrFF6G4U PHAGD4QvI88MFyYVX2M35YIWXErf0ffDTV1XoWhrPUUGdig34Sj0jR3s2VZV69Z9EMEt8hjqRRV1T zvgKjiwA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvYi-0001PW-ND; Thu, 17 Sep 2020 15:10:52 +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 Subject: [PATCH 03/13] afs: Tell the VFS that readpage was synchronous Date: Thu, 17 Sep 2020 16:10:40 +0100 Message-Id: <20200917151050.5363-4-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 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.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 6f6ed1605cfe..8f15305b6574 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");