From patchwork Tue Sep 6 00:35:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sweet Tea Dorminy X-Patchwork-Id: 12966710 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52F79C6FA8B for ; Tue, 6 Sep 2022 00:36:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232633AbiIFAgS (ORCPT ); Mon, 5 Sep 2022 20:36:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236239AbiIFAgN (ORCPT ); Mon, 5 Sep 2022 20:36:13 -0400 Received: from box.fidei.email (box.fidei.email [71.19.144.250]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 541C16AA30; Mon, 5 Sep 2022 17:36:10 -0700 (PDT) Received: from authenticated-user (box.fidei.email [71.19.144.250]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by box.fidei.email (Postfix) with ESMTPSA id 986568110B; Mon, 5 Sep 2022 20:36:09 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=dorminy.me; s=mail; t=1662424569; bh=EceWAZs4f45oO7J++Q4kUNytf69nwouRK1bX4k4qds4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RQZalc/TYPFjVhjXJ9qwBAeUpJa8stjGOMKuHHOfRdwIuTgYJnsyxSoSXg9JX/Jhg 3q78x5QPgFRq4mglfF/ffJthHhwcW++wpsYRz1BkTWHi4mubXkYfXR/de31kcQ03kE 6VluU0NlauUBr4x/2VaUqqhD17b7yCKxWqRX0hpindwVtwj3x9K8oJ4GSx6RUqnrDp Zo0HUp+IP8hky8r/RG+Z0v/clzgbKSbH3ONxXPxSf8aV+h9ROP2TrCh8z2Dt52ZB8h wdC1cwRbLymAPJyA+yFLRryQsJ449y6T/uilUjn/xGD5MLpffJQ8ZphEqq6kmwGBEV SVM9uXU+/ukLQ== From: Sweet Tea Dorminy To: "Theodore Y. Ts'o" , Jaegeuk Kim , Eric Biggers , Chris Mason , Josef Bacik , David Sterba , linux-fscrypt@vger.kernel.org, linux-btrfs@vger.kernel.org, kernel-team@fb.com Cc: Omar Sandoval , Sweet Tea Dorminy Subject: [PATCH v2 16/20] btrfs: Add new FEATURE_INCOMPAT_FSCRYPT feature flag. Date: Mon, 5 Sep 2022 20:35:31 -0400 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Omar Sandoval As fscrypt files will be incompatible with older filesystem versions, new filesystems should be created with an incompat flag for fscrypt. Signed-off-by: Omar Sandoval Signed-off-by: Sweet Tea Dorminy --- fs/btrfs/ctree.h | 6 ++++-- include/uapi/linux/btrfs.h | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 38927a867028..e8d000fcc85d 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -330,7 +330,8 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE); BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \ BTRFS_FEATURE_INCOMPAT_RAID1C34 | \ BTRFS_FEATURE_INCOMPAT_ZONED | \ - BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2) + BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 | \ + BTRFS_FEATURE_INCOMPAT_FSCRYPT) #else #define BTRFS_FEATURE_INCOMPAT_SUPP \ (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ @@ -345,7 +346,8 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE); BTRFS_FEATURE_INCOMPAT_NO_HOLES | \ BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \ BTRFS_FEATURE_INCOMPAT_RAID1C34 | \ - BTRFS_FEATURE_INCOMPAT_ZONED) + BTRFS_FEATURE_INCOMPAT_ZONED | \ + BTRFS_FEATURE_INCOMPAT_FSCRYPT) #endif #define BTRFS_FEATURE_INCOMPAT_SAFE_SET \ diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index c413fca6f581..d85587538928 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -316,6 +316,7 @@ struct btrfs_ioctl_fs_info_args { #define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11) #define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12) #define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13) +#define BTRFS_FEATURE_INCOMPAT_FSCRYPT (1ULL << 14) struct btrfs_ioctl_feature_flags { __u64 compat_flags;