From patchwork Tue Jun 30 12:14:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satya Tangirala X-Patchwork-Id: 1319805 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=OsSqYUaD; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49x3Fm5RXLz9sR4 for ; Tue, 30 Jun 2020 22:14:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387557AbgF3MOv (ORCPT ); Tue, 30 Jun 2020 08:14:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387548AbgF3MOq (ORCPT ); Tue, 30 Jun 2020 08:14:46 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC2CAC03E979 for ; Tue, 30 Jun 2020 05:14:45 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id v15so14984943pgi.3 for ; Tue, 30 Jun 2020 05:14:45 -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=WYYjT2/hNkPnR18Pb1O8vFno0wa46kUGqnYNvHL7CO8=; b=OsSqYUaDlsn3RDGvRxnfKrOwwmVcSIoKG8D6+pXbsKD6FCLrWQ7Jsvin1ELj893EwN A1EIorvIYssa3wRXvBKD3Pp5AQVAVwbbcFQnApEYe0llGG59RkWdtJsMv4yoTqHMHG/L MT8D7toVHPVzVH5VL8rSdns+WpG5nKBZntcm7l1L3YDixzo8bwTPfpB53TtfGi+uWPcr uMnSqNHaY4af/zEeB7qaznrN9lZp0jjVyzzKYLL56pR0rRpLF0T2yV5GJxboGlDmy1fE g0lc4Dk9/oq1duRbjwWwlwL64IeUlgKRSQ7dvQAfUnKENvYOsPjSlWohIAehtV3joMFu AYJg== 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=WYYjT2/hNkPnR18Pb1O8vFno0wa46kUGqnYNvHL7CO8=; b=CK6FmyesoOQ5fDt4yTWCBU92Ys6vn96RY9/zm7VdQPXkOYO7lBTZYgJb5Khvi0vM/E koLEzU4GEXbPiDDZDqDaDsTJxmoQzcidPaiNMS7JckDE79nf1prWhLG+Tcivfx0UeBmW m8PUdsJGGfKODVUFDT3IjXOBO2FaVADQfWFgeQytrbxg8fdu8fptfPZcdkyf+ed12+cB FpVz0gkop7vAxqmxO6QeQ+nn9p8y2xl5Ybwvacg90/jsxFydV1gXqWX6MPLYRzIMKTCE U3QH3F9s7/rOaAapp/D7qluDJgTrZIh1dzZONzg4qiozPmhjyGv8BmmU0CvBhMS0Cs9L V3iQ== X-Gm-Message-State: AOAM530DmsYzEOyd9IVt1bT5TyhFI3WnVV0++molErUcmNywc3rV3nDe UYWiafwCk4DeS6omUs1+2Cq2Tsb6xOs= X-Google-Smtp-Source: ABdhPJyEEcykC3kPlH4nyjzH8L4IuQtmaVrj3RrJmq3Xhyj4L95ZMctLLgbq3tAQNaoQgla9CrRf9QIq+4E= X-Received: by 2002:a17:90a:6306:: with SMTP id e6mr3080137pjj.1.1593519284966; Tue, 30 Jun 2020 05:14:44 -0700 (PDT) Date: Tue, 30 Jun 2020 12:14:35 +0000 In-Reply-To: <20200630121438.891320-1-satyat@google.com> Message-Id: <20200630121438.891320-2-satyat@google.com> Mime-Version: 1.0 References: <20200630121438.891320-1-satyat@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v3 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 , Eric Biggers Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@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 Reviewed-by: Eric Biggers --- 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 */