From patchwork Thu Mar 12 08:02:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satya Tangirala X-Patchwork-Id: 11433395 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 A605290 for ; Thu, 12 Mar 2020 08:03:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89DFE20650 for ; Thu, 12 Mar 2020 08:03:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KzIl0HFR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388248AbgCLIDZ (ORCPT ); Thu, 12 Mar 2020 04:03:25 -0400 Received: from mail-pg1-f202.google.com ([209.85.215.202]:45973 "EHLO mail-pg1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388164AbgCLIDV (ORCPT ); Thu, 12 Mar 2020 04:03:21 -0400 Received: by mail-pg1-f202.google.com with SMTP id 8so2979343pgd.12 for ; Thu, 12 Mar 2020 01:03:19 -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=Y1s6MQhHqkVnqFsukeC5Awzp5ivr6jiv6hUkDCpLIsA=; b=KzIl0HFRPFDpD4RamPtkjTfVB+xlCCtT2LraTA/0B61n8m3pmGmHCmX//ov5FQWva1 iYJlQp482tSC5I2bo99tpHHJ83S7G8ADGOz7zWIcbKo61d/pzYzpgAtx/XF3B40tTB2L 08Buyphz0C7bGnN/8BNgIoGFuzOzPNTT1lNpCXWLEaTeYsLCr5NkvsomPH32QHvETm2e cbx2fvY1WsWGae2mbukMCmTFpDWExMCaGZs+GkpgZdHEHCGohcjNdY8UPWueJDnqYTOq YPmE8xd4qMF2HvQ8st4aUTOgFO8ZFisWbqW0TuVW8QMV51Kx78cclESONoHGqC55LBtz gTYQ== 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=Y1s6MQhHqkVnqFsukeC5Awzp5ivr6jiv6hUkDCpLIsA=; b=olrpmranDmS1XxZ+ZYcmt0TN1UVUIKsBHzhLRrXUwP3zExaKA5VD4orDpV7r0TwGsU JfuFm0b5kp29FjHpbOQ+AZcvd9mRJmWqNEDI8jRK22QSK7IRCkZANQmuy3EzgGaQfDxS n1lfjswetMpiyoXsJBYNK1nDJTec2Ae6qEV5Ivo5DrvJYTu++tMrXe7axATflX+lV6OT bxkGN0Fj0VNes5/z/OX4CR4l16y4g4WV0AcgoWcE2pVYr0FkVRGyhKo0NAk4yzoJRUJp kn8wagMz+1pbR/UYBr2znzmnHrsE1uSiVBeIIFB+HwueuuUdwzuPYyI14wBCh1GiDQEm PMGQ== X-Gm-Message-State: ANhLgQ0zFtRqOG3qrNPWVTYy2WKfr+j58kxIeOVA74eQxM80w06DpmIB CPAj91TQhzpYDSDyG10KOqKWBUjkcpk= X-Google-Smtp-Source: ADFU+vuXOMA8mZEN+vMh9qFbvN0gW4bbscIe10bvEJpl4bpEIDzYzV5f0sZE06RcCDamrRg4MYFMPmlFhx0= X-Received: by 2002:a17:90a:c687:: with SMTP id n7mr2803267pjt.159.1584000198723; Thu, 12 Mar 2020 01:03:18 -0700 (PDT) Date: Thu, 12 Mar 2020 01:02:50 -0700 In-Reply-To: <20200312080253.3667-1-satyat@google.com> Message-Id: <20200312080253.3667-9-satyat@google.com> Mime-Version: 1.0 References: <20200312080253.3667-1-satyat@google.com> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog Subject: [PATCH v8 08/11] fs: introduce SB_INLINECRYPT From: Satya Tangirala To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org Cc: Barani Muthukumaran , Kuohong Wang , Kim Boojin , Satya Tangirala Sender: linux-fscrypt-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org Introduce SB_INLINECRYPT, which is set by filesystems that wish to use blk-crypto for file content en/decryption. Signed-off-by: Satya Tangirala --- fs/proc_namespace.c | 1 + include/linux/fs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 273ee82d8aa9..8bf195d3bda6 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -49,6 +49,7 @@ static int show_sb_opts(struct seq_file *m, struct super_block *sb) { SB_DIRSYNC, ",dirsync" }, { SB_MANDLOCK, ",mand" }, { SB_LAZYTIME, ",lazytime" }, + { SB_INLINECRYPT, ",inlinecrypt" }, { 0, NULL } }; const struct proc_fs_info *fs_infop; diff --git a/include/linux/fs.h b/include/linux/fs.h index 3cd4fe6b845e..08a0395674dd 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1370,6 +1370,7 @@ 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) /* inodes in SB use blk-crypto */ #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 */