From patchwork Mon Jun 29 12:04:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satya Tangirala X-Patchwork-Id: 11632255 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 C1F87913 for ; Mon, 29 Jun 2020 20:50:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9BF6206C0 for ; Mon, 29 Jun 2020 20:50:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="W942yi6Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731480AbgF2UuB (ORCPT ); Mon, 29 Jun 2020 16:50:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731476AbgF2TNi (ORCPT ); Mon, 29 Jun 2020 15:13:38 -0400 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35F7FC00E3C1 for ; Mon, 29 Jun 2020 05:04:15 -0700 (PDT) Received: by mail-qk1-x749.google.com with SMTP id f79so6006841qke.9 for ; Mon, 29 Jun 2020 05:04:15 -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=Hiq5qeIacI3jGarX6UGdwdJ7Wd6uQ2S/6tth3Y47uPg=; b=W942yi6ZvwWs08XjF1OBZSPhGTep6OxGoiZAsN4TEdSnXuGw/s4/oimk9+OXUKeqCm fMFD56doo4N+otqevAazQeYnmjmwtYAHES6H4ggroUDAScTjB2D+SQsZy9Pbn9x3DghG uT3MkPhGSwJG4h1SGXNdkq6pJ/PW2ULa9k+qcf4JJdoFlDbLW7CWYVgmZ71wnZ73cVIm SP1un8MWpk07oH29gWfAnD+VHgMhQsyWCKV4anmu/I22tmdUxRjFs/B3gaIBTDmisDBk phEVoVee7yfVX0tTmEElUNguACz9+p/5xgl8iPoWTapWzIktFX8pBh1vTyWQzT9KdBau 72kA== 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=Hiq5qeIacI3jGarX6UGdwdJ7Wd6uQ2S/6tth3Y47uPg=; b=sKiamaeARRBOAt631MjdbNgmv80vDuhHlBdCQHA7nxitexNcCeiZXCI+HTNfsUz5T2 lsETe/q5rV2uxCnX3h8Z8+VdfLPAobD4Xwzv6GSWKOBvGGOFnYWde6su8P9uh/+yTAT6 IiOkBoDPinTIgbOImMZuYIkTZ4r28p/EuDf8FG8jxGY2uY8X/q6UmSEb5v98zNttd6pc yU9S/ARD0P1KQIBsexrJPEKI4DvswzmCKIP+gEd2m9kqtDlBcY7ktC5tM5Jn6r1RJCB0 cGyxNAhc08PoeCphYVR01f1zdMjGmozPxSuKBjsrwXm9advahP4VCnZitVvXlZ68ptSE rAaA== X-Gm-Message-State: AOAM531hzYEyAUt2ohUfLzINX+RFY/5RL/6IP+YCFgpWCG2OFM/IGgtU k0LeHPb/LJ4xxkiqLnuu12Mm87Y8HsQ= X-Google-Smtp-Source: ABdhPJwkgBLEZTIYTMq7DREhCsBG00chjwS1TzedYP/fncY46dZiXawch5b0/0qtKz7xaJvmqJxSEf7VXIU= X-Received: by 2002:ad4:4a81:: with SMTP id h1mr15062556qvx.102.1593432254291; Mon, 29 Jun 2020 05:04:14 -0700 (PDT) Date: Mon, 29 Jun 2020 12:04:02 +0000 In-Reply-To: <20200629120405.701023-1-satyat@google.com> Message-Id: <20200629120405.701023-2-satyat@google.com> Mime-Version: 1.0 References: <20200629120405.701023-1-satyat@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v2 1/4] fs: introduce SB_INLINECRYPT 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: Satya Tangirala Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Introduce SB_INLINECRYPT, which is set by filesystems that wish to use blk-crypto for file content en/decryption. This flag maps to the '-o inlinecrypt' mount option which multiple filesystems will implement, and code in fs/crypto/ needs to be able to check for this mount option in a filesystem-independent way. Signed-off-by: Satya Tangirala --- include/linux/fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 3f881a892ea7..b5e07fcdd11d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1380,6 +1380,7 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_NODIRATIME 2048 /* Do not update directory access times */ #define SB_SILENT 32768 #define SB_POSIXACL (1<<16) /* VFS does not apply the umask */ +#define SB_INLINECRYPT (1<<17) /* Use blk-crypto for encrypted files */ #define SB_KERNMOUNT (1<<22) /* this is a kern_mount call */ #define SB_I_VERSION (1<<23) /* Update inode I_version field */ #define SB_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */