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=-20.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 71E61C433F8 for ; Mon, 20 Jul 2020 23:37:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B882207FC for ; Mon, 20 Jul 2020 23:37:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="lw5TetxA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728158AbgGTXhw (ORCPT ); Mon, 20 Jul 2020 19:37:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728139AbgGTXhv (ORCPT ); Mon, 20 Jul 2020 19:37:51 -0400 Received: from mail-pf1-x44a.google.com (mail-pf1-x44a.google.com [IPv6:2607:f8b0:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 258B4C0619D7 for ; Mon, 20 Jul 2020 16:37:51 -0700 (PDT) Received: by mail-pf1-x44a.google.com with SMTP id 75so13756656pfb.21 for ; Mon, 20 Jul 2020 16:37:51 -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=ORAQciKgJGVxLPMl88O8FRaS7Y2vfgBBYDIN8L834Cw=; b=lw5TetxAIlCI7U6av5shkKyjO6ThYv7yDbySa3SgWcGSwSgPPaWjP++XkjFPG4OI6Z zWsLpvD626keD3tI0jFOivGvaW9+0l5eZ4l7hYSrpPYOPlwsi9MGB5ODpbI/7AA04Zb6 tCC6woja7XRBkrAJHy6DcRwqP6vgX9nv2QZPhmI0hiNoTeqEbeuJdvn+TgYDZ0U60y3g wohrCT9NyZKibcZkl+RWiaSOHqiofv/sVgqViMF4tlhAtCQWBZ6HI7L1fDpq7bbcky5t iAtFFwrxXVO/FU54Nfq5i3XKHkcF5DMzbZKLz73/s51/PlZliyzBh0FjxR+L3S2QGwsQ HjDw== 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=ORAQciKgJGVxLPMl88O8FRaS7Y2vfgBBYDIN8L834Cw=; b=tPqRzdqfWRZQkyNBVrm0IlL0bWnXylr6MoKVGrwLNa4GscyPYSC1vuiUNIfol06vN7 yiR8GUuZg6pGj3yGZRMfeIlJpH/e4X3ZyH9L94hPSDzvxjuMtAFk/x4rOHt/yzqx5TlI TcgjA21wQWxEf6t3C1YzhoiuzK8T8YmzieNBQevMQr+zaSlHjUFkwzKCdgF+cqqIz6yH UFyRRR8qXqkvt9+TlOIiZvIdEqb7FkTus5+TWcL11qIadA2Moh56+bdhCxL+2Wv+0eqa pQg0d7nZjh+PXkZQRW8pr7/n+DYVRUXoNmj9DfmlK30fyjg8pAJBMMy76dVLmTEyp/OA ulFg== X-Gm-Message-State: AOAM533UZmiUvDcbbTEyfYQkuTGW0oM/VgExsj94E2aSJI8yeSx13vHU lMltY5sAz9Y9CucML+Exz+EKKGrFv6E= X-Google-Smtp-Source: ABdhPJzbpOkXCUZlTjezDtyNTQJ78cDjswr6o9ZRsmmCMJPX/pJ7vOwFhl9AcEfTreNpJVDB8ZhoYLeMtXM= X-Received: by 2002:a17:90b:358e:: with SMTP id mm14mr1889035pjb.54.1595288270643; Mon, 20 Jul 2020 16:37:50 -0700 (PDT) Date: Mon, 20 Jul 2020 23:37:37 +0000 In-Reply-To: <20200720233739.824943-1-satyat@google.com> Message-Id: <20200720233739.824943-6-satyat@google.com> Mime-Version: 1.0 References: <20200720233739.824943-1-satyat@google.com> X-Mailer: git-send-email 2.28.0.rc0.105.gf9edc3c819-goog Subject: [PATCH v4 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 Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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 --- 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; -- 2.28.0.rc0.105.gf9edc3c819-goog