From patchwork Thu May 13 10:49:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 12255533 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=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=unavailable 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 854CCC433ED for ; Thu, 13 May 2021 10:49:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F0556144A for ; Thu, 13 May 2021 10:49:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232056AbhEMKui (ORCPT ); Thu, 13 May 2021 06:50:38 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:39637 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231956AbhEMKud (ORCPT ); Thu, 13 May 2021 06:50:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620902963; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=hLTy2FqhYn8UYNDDx5zbQVMO+wFz0eJkwnkoKVTwuLc=; b=QCZpILTy3l7Cce0cDz30Cj6oG3f6NuveDDN16X+dW0AwqvMyD84xTSx5MTGICdT3eqPWgf D9jW8raCxwNVokS+aLicWRsV9lQQbbqrxdzv9xNMfshOGU7AGps3MgJLn8Q6Ru9i+wP9tC AryIn30A1C8aNHRT5DnWwyCKtb+Md9Y= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-451-_zrl2b_yMqSu5EjZ_hHK9w-1; Thu, 13 May 2021 06:49:21 -0400 X-MC-Unique: _zrl2b_yMqSu5EjZ_hHK9w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0822B80DE1E; Thu, 13 May 2021 10:49:20 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.3]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9756919D7C; Thu, 13 May 2021 10:49:14 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH] netfs: Pass flags through to grab_cache_page_write_begin() From: David Howells To: willy@infradead.org Cc: linux-mm@kvack.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, dhowells@redhat.com Date: Thu, 13 May 2021 11:49:13 +0100 Message-ID: <162090295383.3165945.13595101698295243662.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org In netfs_write_begin(), pass the AOP flags through to grab_cache_page_write_begin() so that a request to use GFP_NOFS is honoured. Fixes: e1b1240c1ff5 ("netfs: Add write_begin helper") Reported-by: Matthew Wilcox (Oracle) Signed-off-by: David Howells cc: linux-mm@kvack.org cc: linux-cachefs@redhat.com cc: linux-afs@lists.infradead.org cc: linux-nfs@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: ceph-devel@vger.kernel.org cc: v9fs-developer@lists.sourceforge.net cc: linux-fsdevel@vger.kernel.org Reviewed-by: Jeff Layton --- fs/netfs/read_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 193841d03de0..725614625ed4 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -1068,7 +1068,7 @@ int netfs_write_begin(struct file *file, struct address_space *mapping, DEFINE_READAHEAD(ractl, file, NULL, mapping, index); retry: - page = grab_cache_page_write_begin(mapping, index, 0); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM;