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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT 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 22004C282E5 for ; Thu, 23 May 2019 16:21:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E89B42175B for ; Thu, 23 May 2019 16:21:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558628462; bh=C17dyOau37zrZLZTeV3mA3ct+U5o1QsEkKdRsXekeqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vVxefF6/o19sKM5b2kJztbNlQ6+7EwqxsT/SvsuHDgDUu8JW8zBMNrwJeEICyseQB WgjVVwlcEjSjb4YlyEqCP17GgPBwQSizB7+rkQ0aAr5T4BwEbmPmesCUE6DR5DAgAq 0fdL3nn/UC++0HUOHo1gulbxvdq/gVHtttxEJQhs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731388AbfEWQUj (ORCPT ); Thu, 23 May 2019 12:20:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:56244 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731256AbfEWQUh (ORCPT ); Thu, 23 May 2019 12:20:37 -0400 Received: from sol.localdomain (c-24-5-143-220.hsd1.ca.comcast.net [24.5.143.220]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8706621851; Thu, 23 May 2019 16:20:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558628436; bh=C17dyOau37zrZLZTeV3mA3ct+U5o1QsEkKdRsXekeqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d8gQnln0Ww3DisvqyUmO8TXiRMHm4aiiJrKujXjGZ33sNlEFZ+eujPYcLEUE0igO/ S2e9w9lJBlMpDCXWCKoNMsv/9TIHnd5Nn2jf9QsOt/lI9Qk6F1JzUtpBdw1o9AmaVU FY/E3pcsKrcVqgnZ4Q/CI+rExvgeIPLjruYs5N0w= From: Eric Biggers To: linux-fscrypt@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-integrity@vger.kernel.org, linux-api@vger.kernel.org, "Theodore Y . Ts'o" , Jaegeuk Kim , Victor Hsieh Subject: [PATCH v3 05/15] fs-verity: add inode and superblock fields Date: Thu, 23 May 2019 09:18:01 -0700 Message-Id: <20190523161811.6259-6-ebiggers@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190523161811.6259-1-ebiggers@kernel.org> References: <20190523161811.6259-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Eric Biggers Analogous to fs/crypto/, add fields to the VFS inode and superblock for use by the fs/verity/ support layer: - ->s_vop: points to the fsverity_operations if the filesystem supports fs-verity, otherwise is NULL. - ->i_verity_info: points to cached fs-verity information for the inode after someone opens it, otherwise is NULL. - S_VERITY: bit in ->i_flags that identifies verity inodes, even when they haven't been opened yet and thus still have NULL ->i_verity_info. Signed-off-by: Eric Biggers --- include/linux/fs.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index f7fdfe93e25d3..a80a192cdcf28 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -64,6 +64,8 @@ struct workqueue_struct; struct iov_iter; struct fscrypt_info; struct fscrypt_operations; +struct fsverity_info; +struct fsverity_operations; struct fs_context; struct fs_parameter_description; @@ -723,6 +725,10 @@ struct inode { struct fscrypt_info *i_crypt_info; #endif +#ifdef CONFIG_FS_VERITY + struct fsverity_info *i_verity_info; +#endif + void *i_private; /* fs or device private pointer */ } __randomize_layout; @@ -1429,6 +1435,9 @@ struct super_block { const struct xattr_handler **s_xattr; #ifdef CONFIG_FS_ENCRYPTION const struct fscrypt_operations *s_cop; +#endif +#ifdef CONFIG_FS_VERITY + const struct fsverity_operations *s_vop; #endif struct hlist_bl_head s_roots; /* alternate root dentries for NFS */ struct list_head s_mounts; /* list of mounts; _not_ for fs use */ @@ -1964,6 +1973,7 @@ struct super_operations { #endif #define S_ENCRYPTED 16384 /* Encrypted file (using fs/crypto/) */ #define S_CASEFOLD 32768 /* Casefolded file */ +#define S_VERITY 65536 /* Verity file (using fs/verity/) */ /* * Note that nosuid etc flags are inode-specific: setting some file-system @@ -2005,6 +2015,7 @@ static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags #define IS_DAX(inode) ((inode)->i_flags & S_DAX) #define IS_ENCRYPTED(inode) ((inode)->i_flags & S_ENCRYPTED) #define IS_CASEFOLDED(inode) ((inode)->i_flags & S_CASEFOLD) +#define IS_VERITY(inode) ((inode)->i_flags & S_VERITY) #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \ (inode)->i_rdev == WHITEOUT_DEV) -- 2.21.0