From patchwork Mon Oct 9 19:15:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 823422 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="p7vMeKtU"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y9qmT3cmwz9t5l for ; Tue, 10 Oct 2017 06:19:05 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754707AbdJITTD (ORCPT ); Mon, 9 Oct 2017 15:19:03 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:38202 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754691AbdJITTC (ORCPT ); Mon, 9 Oct 2017 15:19:02 -0400 Received: by mail-pf0-f195.google.com with SMTP id a7so29878885pfj.5; Mon, 09 Oct 2017 12:19:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=s1PJCt5H8hn62/xzC75x1m+wxK26g5u+t15UG1BBoBM=; b=p7vMeKtUVeWKdAgR2J35xuwkP8CTve7NVCFfBBD42iu9EWVDWLD4O2aDBWHy1bibcW we4gFx+thtBF/vdsyoCjjXhWOda1pQ3vftUTlhricezUqcVTabXU531VERAwah0zHgJA DgDyYIAwTw26On/fAfzwda7U6dTPO+Lo+VDJQrK7PP0o4KBxRWVuooqs2cfHxGCFN9oQ ARRf9NhYyguRptXOCiLtMjuscr6SSsVOG1sDXamldydyEMBhUbZrpisTfuSe+B1eGtQN j2nvYZvhvR8qEtBTnUNTD/7OHWd+XbtyUUV0vRkaCijuC7FUdwsugig3VAl8vLYKujkb hkGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=s1PJCt5H8hn62/xzC75x1m+wxK26g5u+t15UG1BBoBM=; b=aMIHe8BjMsSsoY6Zc51R3VhutPr2EcQx+z5mB+xvWjkmUgYWLC/dezmryw3XHZVY/L hI56pYWjc8xPDFMVvzNhzcDyW06Et0oo+xtBKqH15/yzvQYSD1kPIKuaPzlYVr0nOOA7 RXL3rp+gDeksphrTIayw2TKphfWWquKG0IKSvb6K4Y1gErP77YK6ZXZzcR95OpWCFp1i ZpFkquqlcO69LDCkWBuVPYoCeNjT6zN47O5KxnrSyp468XOCVE4epVapBd2WtuHo+Kbr IpnHuy9+5pSBMYUjWiPeAB5OS+a6TQWgvK8vJwezICUBruPyqNEdoWAeraUuxembFZyE Y0sA== X-Gm-Message-State: AMCzsaWZaXYGAlLliaetn9RIOW7D3DeCR6jAt4HbLTNj2CTXGuWyMW3Z o6llrMi9URNMwgrz+lqf/xqbYCyg X-Google-Smtp-Source: AOwi7QAu+szQ0x/InSHakU+q7SIjpyMt8RgnM+unIt9noKo65Sc98DPLDjCeIWVPXgWiMQmj1ABqjA== X-Received: by 10.99.154.66 with SMTP id e2mr10001033pgo.116.1507576741179; Mon, 09 Oct 2017 12:19:01 -0700 (PDT) Received: from ebiggers-linuxstation.kir.corp.google.com ([100.66.174.81]) by smtp.gmail.com with ESMTPSA id n29sm17039819pgf.44.2017.10.09.12.19.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 09 Oct 2017 12:19:00 -0700 (PDT) From: Eric Biggers To: linux-fscrypt@vger.kernel.org, "Theodore Y . Ts'o" Cc: Jaegeuk Kim , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, Eric Biggers Subject: [PATCH v2 03/11] fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED() Date: Mon, 9 Oct 2017 12:15:36 -0700 Message-Id: <20171009191544.43656-4-ebiggers3@gmail.com> X-Mailer: git-send-email 2.14.2.920.gcf0c67979c-goog In-Reply-To: <20171009191544.43656-1-ebiggers3@gmail.com> References: <20171009191544.43656-1-ebiggers3@gmail.com> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers IS_ENCRYPTED() now gives the same information as i_sb->s_cop->is_encrypted() but is more efficient, since IS_ENCRYPTED() is just a simple flag check. Prepare to remove ->is_encrypted() by switching all callers to IS_ENCRYPTED(). Acked-by: Dave Chinner Signed-off-by: Eric Biggers --- fs/crypto/crypto.c | 2 +- fs/crypto/fname.c | 3 +-- fs/crypto/keyinfo.c | 2 +- fs/crypto/policy.c | 6 +++--- include/linux/fscrypt_notsupp.h | 2 +- 5 files changed, 7 insertions(+), 8 deletions(-) diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index c7835df7e7b8..608f6bbe0f31 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -340,7 +340,7 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags) return -ECHILD; dir = dget_parent(dentry); - if (!d_inode(dir)->i_sb->s_cop->is_encrypted(d_inode(dir))) { + if (!IS_ENCRYPTED(d_inode(dir))) { dput(dir); return 0; } diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c index ad9f814fdead..2878289b3ed2 100644 --- a/fs/crypto/fname.c +++ b/fs/crypto/fname.c @@ -382,8 +382,7 @@ int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname, memset(fname, 0, sizeof(struct fscrypt_name)); fname->usr_fname = iname; - if (!dir->i_sb->s_cop->is_encrypted(dir) || - fscrypt_is_dot_dotdot(iname)) { + if (!IS_ENCRYPTED(dir) || fscrypt_is_dot_dotdot(iname)) { fname->disk_name.name = (unsigned char *)iname->name; fname->disk_name.len = iname->len; return 0; diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c index 018c588c7ac3..236a68d4ea72 100644 --- a/fs/crypto/keyinfo.c +++ b/fs/crypto/keyinfo.c @@ -268,7 +268,7 @@ int fscrypt_get_encryption_info(struct inode *inode) res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx)); if (res < 0) { if (!fscrypt_dummy_context_enabled(inode) || - inode->i_sb->s_cop->is_encrypted(inode)) + IS_ENCRYPTED(inode)) return res; /* Fake up a context for an unencrypted directory */ memset(&ctx, 0, sizeof(ctx)); diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c index ce07a86200f3..6a63b8a0d46c 100644 --- a/fs/crypto/policy.c +++ b/fs/crypto/policy.c @@ -109,7 +109,7 @@ int fscrypt_ioctl_get_policy(struct file *filp, void __user *arg) struct fscrypt_policy policy; int res; - if (!inode->i_sb->s_cop->is_encrypted(inode)) + if (!IS_ENCRYPTED(inode)) return -ENODATA; res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx)); @@ -166,11 +166,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child) return 1; /* No restrictions if the parent directory is unencrypted */ - if (!cops->is_encrypted(parent)) + if (!IS_ENCRYPTED(parent)) return 1; /* Encrypted directories must not contain unencrypted files */ - if (!cops->is_encrypted(child)) + if (!IS_ENCRYPTED(child)) return 0; /* diff --git a/include/linux/fscrypt_notsupp.h b/include/linux/fscrypt_notsupp.h index 2d0b6960831e..7b390e356f7f 100644 --- a/include/linux/fscrypt_notsupp.h +++ b/include/linux/fscrypt_notsupp.h @@ -100,7 +100,7 @@ static inline int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname, int lookup, struct fscrypt_name *fname) { - if (dir->i_sb->s_cop->is_encrypted(dir)) + if (IS_ENCRYPTED(dir)) return -EOPNOTSUPP; memset(fname, 0, sizeof(struct fscrypt_name));