From patchwork Fri Jul 24 12:11:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satya Tangirala X-Patchwork-Id: 11683113 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 8BF9F1392 for ; Fri, 24 Jul 2020 12:12:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7372E2073E for ; Fri, 24 Jul 2020 12:12:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="slmTUkhi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726975AbgGXMMK (ORCPT ); Fri, 24 Jul 2020 08:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726971AbgGXMMB (ORCPT ); Fri, 24 Jul 2020 08:12:01 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1987C08C5E0 for ; Fri, 24 Jul 2020 05:11:58 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id a185so8121892ybg.8 for ; Fri, 24 Jul 2020 05:11:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=oZN8SnIpsU7aOjS5+8MoI/0a82Ym0e3d0O/7K4J6ac4=; b=slmTUkhiIwbSQEjfkgmbeV4KCF4u08msiGK6SabnKAiv3CvAYVrGboynyzzbTajxKw dZH2xvPQR8jXzK/qntUI9lKlDPtetaRmLCjNT5omgxxhrMizgoRnSC0roIaFgwopHXTv IXhLjv+xSOfUUk6gqkYmieytlR1L9nV3xvpbFcQbtEdY9WsWZGStH0uxtSTg0ybo+Yxm vNqm/3J1IWd3IHGexMF628lSrVQrvqvd4tFPYBV1UKFjQMZxtGxh9xzY6EDBXANOm8ma khmwfHYWnDUYIZDYcO3J3ycu2JUI8GPQwMez8LsY1EOnHkqtMh2j3Mt5z7kSMvf3UCRW rFgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=oZN8SnIpsU7aOjS5+8MoI/0a82Ym0e3d0O/7K4J6ac4=; b=Z24W4kkHKYvTZeR9OohJRnDCICx0k262KtraBumACUd9EyjO1foKpqLwO8FwUdtrl5 6xDbibHGNsuU5DARtWWNMZGlP7q2rMlCmMsP297lEI0Bgn9Gz06HlxjPSfKkaka544JJ K5V8b5vgSG9JZuW9WVTU6eBlTq3xpjP3IdBQi5Ntu2U8wdGcl++V53DIiA0h2kYU8db6 B5UuSymfAtjI6sUVJP3SibEwUlAAkr5F9M0sB99LEOQH90KYtnTn87MFyK5ICKaeyQdA sGxX3SdYAHrnUQeSmhMFMHQuil4eDvyWRcZdNOCEhpKJdIfA2yQO3lWai2hjfeFLexwc Jozg== X-Gm-Message-State: AOAM532KO5ub5qc5PDwfaGrQCKgoiQQCJSPXwmsBFbTNPN/02vtvQqKI dUorwJzrVDqXtrcOwoy2aspx14OAGbkXHf+Ty8tlBqgEzAV5A8RCDch2QlQphLWirzsUs7RuXaw GQkAtxDjoGQzdJcsdPmTprc+dVWaofzqiTqZ4w196vUbQb7zhS0zkc3cMNL0eAg0OO0tOiRk= X-Google-Smtp-Source: ABdhPJyouJ1E2gRcgMN/M3G2tNtXRlKvJhp7ZjedMaUfi7bBr8eQzy4Glr/QlcgRyBhW5mboqWuW4qtyaT8= X-Received: by 2002:a25:bb07:: with SMTP id z7mr13476612ybg.343.1595592718109; Fri, 24 Jul 2020 05:11:58 -0700 (PDT) Date: Fri, 24 Jul 2020 12:11:41 +0000 In-Reply-To: <20200724121143.1589121-1-satyat@google.com> Message-Id: <20200724121143.1589121-6-satyat@google.com> Mime-Version: 1.0 References: <20200724121143.1589121-1-satyat@google.com> X-Mailer: git-send-email 2.28.0.rc0.142.g3c755180ce-goog Subject: [PATCH v5 5/7] f2fs: support direct I/O with fscrypt using blk-crypto From: Satya Tangirala To: linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org Cc: linux-xfs@vger.kernel.org, Eric Biggers , Satya Tangirala , Jaegeuk Kim Sender: linux-fscrypt-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org From: Eric Biggers Wire up f2fs with fscrypt direct I/O support. direct I/O with fscrypt is only supported through blk-crypto (i.e. CONFIG_BLK_INLINE_ENCRYPTION must have been enabled, the 'inlinecrypt' mount option must have been specified, and either hardware inline encryption support must be present or CONFIG_BLK_INLINE_ENCYRPTION_FALLBACK must have been enabled). Further, direct I/O on encrypted files is only supported when I/O is aligned to the filesystem block size (which is *not* necessarily the same as the block device's block size). Signed-off-by: Eric Biggers Co-developed-by: Satya Tangirala Signed-off-by: Satya Tangirala Acked-by: Jaegeuk Kim --- fs/f2fs/f2fs.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b35a50f4953c..978130b5a195 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4082,7 +4082,11 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, struct f2fs_sb_info *sbi = F2FS_I_SB(inode); int rw = iov_iter_rw(iter); - if (f2fs_post_read_required(inode)) + if (!fscrypt_dio_supported(iocb, iter)) + return true; + if (fsverity_active(inode)) + return true; + if (f2fs_compressed_file(inode)) return true; if (f2fs_is_multi_device(sbi)) return true;