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=-11.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=no 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 C793BC433E1 for ; Tue, 7 Jul 2020 11:45:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5FA1206F6 for ; Tue, 7 Jul 2020 11:45:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vaUinhNZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728400AbgGGLpN (ORCPT ); Tue, 7 Jul 2020 07:45:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728385AbgGGLpM (ORCPT ); Tue, 7 Jul 2020 07:45:12 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A0FAC08C5DF for ; Tue, 7 Jul 2020 04:45:12 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id s9so46825388ybj.18 for ; Tue, 07 Jul 2020 04:45:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=LLQSBg64iwWxTtcpWWM6iR9wTgF8QbEH02Vy+2bg9Hg=; b=vaUinhNZkQN3RAVXNuIvu2m9UALKLZu6+nRg7EiTfijttvY5uvU/HlfVTs6MFI3BjD Er2jhbF7pByOmGUAkA0Rwjx6r1yRJYYD9O+cl25wvja83NKdtmmp1zngnkV02lhR5H60 b5PjacpY1TP2NcUr9fiYcugKPCAjjR9rmlEhUHB0wiSX4QdOcSpvSGrvsQV0rT/nifCK 2ZKi0Cmb2t3TuutVgBjI50QCH9omrBcU2W/h5TS/pS3DnoIpdnsJzSM7wmedPsCcY2wS ytB1vf691KXilc3nIafaO0kmcuwa8X3LA+tSoYg6SrxvtuS6RBnGMpkCLIhuojqhRuKM 4b2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=LLQSBg64iwWxTtcpWWM6iR9wTgF8QbEH02Vy+2bg9Hg=; b=J5oRr6ASOnOijBovkq0nwJLMtYgjETrIdTfNAk7M3vK+gdZ2nBeCQGv9NZ8JcrDhYU lsT3/n9j7czXRhBP8wxYhN8mi+Z4I2O5DlrmxewDtqrcVbf3sXCnEL9KWXCAVrc2Qt4F sKBRG5IqSndtBDtXHwZ/lSJ8l9UxsAmn1yONZWzzU0kDvUh8QTz3gZclxc69Euzp0V41 m186CVbT7QzjKGwdBhLPBJNAKBA2kceQ52LQTRLHUpEZf9VAeiuaOvnRrUNY6tKIqZJ4 vpWmwtTBDS1bTUUgzleLFLdwIwSyMj563UvZW+uOG1SuYj758qny48UXRXuGd/ZvYCje qMBw== X-Gm-Message-State: AOAM531yS/DA1QQnbfl5PZoMEnJtXyPCb1xTQYj4ib2O9UQqeY3jILLM 4h1r7cYkeKPpmPMM0SZbZ8RADNzTEco= X-Google-Smtp-Source: ABdhPJwLxIHBchd80Gve4mlw6g7Mb8civMvZG5ZcJoCOlzyO/mCAmx2JmX2IzIWBOuqsBIRGM+219TLjngU= X-Received: by 2002:a25:b903:: with SMTP id x3mr32504935ybj.445.1594122311275; Tue, 07 Jul 2020 04:45:11 -0700 (PDT) Date: Tue, 7 Jul 2020 04:31:19 -0700 Message-Id: <20200707113123.3429337-1-drosen@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v10 0/4] Prepare for upcoming Casefolding/Encryption patches From: Daniel Rosenberg To: "Theodore Ts'o" , linux-ext4@vger.kernel.org, Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net, Eric Biggers , linux-fscrypt@vger.kernel.org, Alexander Viro Cc: Andreas Dilger , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Gabriel Krisman Bertazi , kernel-team@android.com, Daniel Rosenberg Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This lays the ground work for enabling casefolding and encryption at the same time for ext4 and f2fs. A future set of patches will enable that functionality. These unify the highly similar dentry_operations that ext4 and f2fs both use for casefolding. In addition, they improve d_hash by not requiring a new string allocation, and ensure we don't attempt to casefold the no-key token of an encrypted filename. Daniel Rosenberg (4): unicode: Add utf8_casefold_hash fs: Add standard casefolding support f2fs: Use generic casefolding support ext4: Use generic casefolding support fs/ext4/dir.c | 64 +-------------------------- fs/ext4/ext4.h | 12 ------ fs/ext4/hash.c | 2 +- fs/ext4/namei.c | 20 ++++----- fs/ext4/super.c | 12 +++--- fs/f2fs/dir.c | 83 ++++------------------------------- fs/f2fs/f2fs.h | 4 -- fs/f2fs/super.c | 10 ++--- fs/f2fs/sysfs.c | 10 +++-- fs/libfs.c | 96 +++++++++++++++++++++++++++++++++++++++++ fs/unicode/utf8-core.c | 23 +++++++++- include/linux/f2fs_fs.h | 3 -- include/linux/fs.h | 16 +++++++ include/linux/unicode.h | 3 ++ 14 files changed, 174 insertions(+), 184 deletions(-) -- 2.27.0.212.ge8ba1cc988-goog