From patchwork Thu Dec 3 02:20:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 11947553 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=-17.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 A989EC8301A for ; Thu, 3 Dec 2020 02:24:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58A4022201 for ; Thu, 3 Dec 2020 02:24:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729512AbgLCCYJ (ORCPT ); Wed, 2 Dec 2020 21:24:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:49004 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728064AbgLCCYI (ORCPT ); Wed, 2 Dec 2020 21:24:08 -0500 From: Eric Biggers Authentication-Results: mail.kernel.org; dkim=permerror (bad message/signature format) To: linux-fscrypt@vger.kernel.org Cc: linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, Andreas Dilger Subject: [PATCH v2 8/9] fscrypt: unexport fscrypt_get_encryption_info() Date: Wed, 2 Dec 2020 18:20:40 -0800 Message-Id: <20201203022041.230976-9-ebiggers@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201203022041.230976-1-ebiggers@kernel.org> References: <20201203022041.230976-1-ebiggers@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org From: Eric Biggers Now that fscrypt_get_encryption_info() is only called from files in fs/crypto/ (due to all key setup now being handled by higher-level helper functions instead of directly by filesystems), unexport it and move its declaration to fscrypt_private.h. Reviewed-by: Andreas Dilger Signed-off-by: Eric Biggers --- fs/crypto/fscrypt_private.h | 2 ++ fs/crypto/keysetup.c | 1 - include/linux/fscrypt.h | 7 +------ 3 files changed, 3 insertions(+), 7 deletions(-) diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h index 16dd55080127a..c1c302656c345 100644 --- a/fs/crypto/fscrypt_private.h +++ b/fs/crypto/fscrypt_private.h @@ -571,6 +571,8 @@ int fscrypt_derive_dirhash_key(struct fscrypt_info *ci, void fscrypt_hash_inode_number(struct fscrypt_info *ci, const struct fscrypt_master_key *mk); +int fscrypt_get_encryption_info(struct inode *inode); + /** * fscrypt_require_key() - require an inode's encryption key * @inode: the inode we need the key for diff --git a/fs/crypto/keysetup.c b/fs/crypto/keysetup.c index 50675b42d5b7c..6339b3069a400 100644 --- a/fs/crypto/keysetup.c +++ b/fs/crypto/keysetup.c @@ -589,7 +589,6 @@ int fscrypt_get_encryption_info(struct inode *inode) res = 0; return res; } -EXPORT_SYMBOL(fscrypt_get_encryption_info); /** * fscrypt_prepare_new_inode() - prepare to create a new inode in a directory diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index a07610f279266..4b163f5e58e9f 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -75,7 +75,7 @@ struct fscrypt_operations { static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode) { /* - * Pairs with the cmpxchg_release() in fscrypt_get_encryption_info(). + * Pairs with the cmpxchg_release() in fscrypt_setup_encryption_info(). * I.e., another task may publish ->i_crypt_info concurrently, executing * a RELEASE barrier. We need to use smp_load_acquire() here to safely * ACQUIRE the memory the other task published. @@ -200,7 +200,6 @@ int fscrypt_ioctl_remove_key_all_users(struct file *filp, void __user *arg); int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg); /* keysetup.c */ -int fscrypt_get_encryption_info(struct inode *inode); int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode, bool *encrypt_ret); void fscrypt_put_encryption_info(struct inode *inode); @@ -408,10 +407,6 @@ static inline int fscrypt_ioctl_get_key_status(struct file *filp, } /* keysetup.c */ -static inline int fscrypt_get_encryption_info(struct inode *inode) -{ - return -EOPNOTSUPP; -} static inline int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode,