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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 16A7CC33C9E for ; Fri, 17 Jan 2020 21:43:24 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D92812072B for ; Fri, 17 Jan 2020 21:43:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=lists.sourceforge.net header.i=@lists.sourceforge.net header.b="flNvlhs1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="mxyEI9wi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="PaeVvqYR"; dkim=neutral (0-bit key) header.d=google.com header.i=@google.com header.b="a1g1iEYX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D92812072B Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=lists.sourceforge.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type:Cc: Reply-To:From:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Subject:To:References:Mime-Version:Message-Id: In-Reply-To:Date:Sender:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1JgOmNl3gw8akMQDpo6Vsbwfi9c41QRWZ6TdPpd9J9U=; b=flNvlhs1h1n3qzQkH/JJhJiGK O0JDSUK9RFy07XS58wpNmDq682nCOMKK5gB19jWg3X0/zmVSHtn8edcgmML0ctMHnhg/gx2MSXAwC WBndiuSir/+dI6KodLmkJQWvhbS+WGr1OuO9wIeJm1EHcsaQ9/REJnKJhuOHnNR7232Ro=; Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1isZOl-0002CA-Iy; Fri, 17 Jan 2020 21:43:23 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from <3cCoiXgYKAEUkyvzlunvvnsl.jvt@flex--drosen.bounces.google.com>) id 1isZOj-0002By-Lv for linux-f2fs-devel@lists.sourceforge.net; Fri, 17 Jan 2020 21:43:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:Cc:To:From:Subject:References: Mime-Version:Message-Id:In-Reply-To:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=LFpKp6VUuFo6ppMUzAkcXjx34TBvN7NAK5WKB8aYuXQ=; b=mxyEI9wivVjh8iicuV4VCnmi4 Df9EZ3ZZK0gMzQOQdK2eoQ7jWjMPOtzeFs6s0NFHP+IRm4u2qFgdNiDplcEwyMLVMFgxv2Vgc0+RX +CRS0ATZa7ijtSeXiDAwlEN2XM+4cOlDETV7cJPEOs5+8FTLtjGbZJVY2DYoFJAjAUOgo=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Type:Cc:To:From:Subject:References:Mime-Version:Message-Id: In-Reply-To:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=LFpKp6VUuFo6ppMUzAkcXjx34TBvN7NAK5WKB8aYuXQ=; b=PaeVvqYRi+n8ZC5jAZHxnTQaoE 8u0CVE7NKLP8cWKyk4iJRdAgl7YvwYRX3reOmo1ClO9rR4coBE1rJz6/z2riaZwj9MOrzhe9tLRf+ EukHzNw77wRgfXkH5UehF8JnWMsdU/Wf5zlOohxL2JK4nnDoKWM8c8n01jtHAWb+uDWw=; Received: from mail-pg1-f201.google.com ([209.85.215.201]) by sfi-mx-4.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.92.2) id 1isZOg-008f7s-Ru for linux-f2fs-devel@lists.sourceforge.net; Fri, 17 Jan 2020 21:43:20 +0000 Received: by mail-pg1-f201.google.com with SMTP id l15so15106522pgk.14 for ; Fri, 17 Jan 2020 13:43:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=LFpKp6VUuFo6ppMUzAkcXjx34TBvN7NAK5WKB8aYuXQ=; b=a1g1iEYXJcbKToa1F5RzrCvDKCrpUy+o+QXdgYh6konUltzlkD+N7ueks7+m8vjfcx PUw2scPZaaIbda6rDzjYHAZueYmtBsf4g6Du0LZIMinaURO4sNRplrTmVpTC+8/5op8F x3FM0jxRhb8yV4bnczX3hU3Y03oucpDTFR4usNpIrWV7LAjLnQXnasxHeWu7fqHDpbGk zH2Ic7nBFe1KMj7Aup6N3XctmItcRyzjpZq5IhOtonXnRGGEyORmfaDnxN4DfhiYC3H4 3hsdYadTplppKmivx2jiI4sSva1CHImF7zPDD2vrQ80+K+WVT9NhAMQjYZkroGcQpdHB EuNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=LFpKp6VUuFo6ppMUzAkcXjx34TBvN7NAK5WKB8aYuXQ=; b=Ve9/m1LiWuLdb/dZxcF4A3nPOR9nkzZUp00k24TctNY8gWz8SKSYZjwblrUJ38/jiT jMTXrm6RzDmoeDNBa0GuLRwPxs/2yp0golyXtLWRQ50yzIPNwTJo75W9xgn9PpVSuXDa +qJJGvenBziQ0/CN6Z8Jz/tP1I99UBq14uxlqyRqqiMW0kgXS7R2mEsccalIIc2pyaJe PuS22VtZYqzSzFK9fXjodC42ajezr6AodNiBG8j89FfUL+GLX6kDHqPaQnWT13+Ov1D3 t6/A3WbzaCS34EogueYgCFSliykiteFgURzkNyla2t7t0xfktlmK9yzJIMsj2CbzZ2jI l67Q== X-Gm-Message-State: APjAAAVOCiQdu+X46mFfZ2vTYajb8HQUFHWM4aWGbe6FM7Jou+JEfbf0 jLgVje1dRQ90rwaBbcu9XIUKtHvHYzU= X-Google-Smtp-Source: APXvYqxNlvdZpVuO6zVMH6+PmfhbGY/it+hzlfv/eX2SXFGnBzPHNaxaje5j1U0PfA+mQzmzcN96tzsChKs= X-Received: by 2002:a65:6706:: with SMTP id u6mr45728791pgf.38.1579297392919; Fri, 17 Jan 2020 13:43:12 -0800 (PST) Date: Fri, 17 Jan 2020 13:42:44 -0800 In-Reply-To: <20200117214246.235591-1-drosen@google.com> Message-Id: <20200117214246.235591-8-drosen@google.com> Mime-Version: 1.0 References: <20200117214246.235591-1-drosen@google.com> X-Mailer: git-send-email 2.25.0.341.g760bfbb309-goog 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 X-Headers-End: 1isZOg-008f7s-Ru Subject: [f2fs-dev] [PATCH v3 7/9] ext4: Use struct super_blocks' casefold data X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Daniel Rosenberg via Linux-f2fs-devel Reply-To: Daniel Rosenberg Cc: Daniel Rosenberg , linux-doc@vger.kernel.org, kernel-team@android.com, Jonathan Corbet , linux-kernel@vger.kernel.org, Andreas Dilger , linux-fsdevel@vger.kernel.org, Gabriel Krisman Bertazi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Switch over to using the struct entries added to the VFS Signed-off-by: Daniel Rosenberg --- fs/ext4/dir.c | 47 ----------------------------------------------- fs/ext4/ext4.h | 4 ---- fs/ext4/hash.c | 2 +- fs/ext4/namei.c | 20 ++++++++------------ fs/ext4/super.c | 15 +++++---------- 5 files changed, 14 insertions(+), 74 deletions(-) diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 4e093277c8bfb..e0a9b3f0682dd 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -667,50 +667,3 @@ const struct file_operations ext4_dir_operations = { .release = ext4_release_dir, }; -#ifdef CONFIG_UNICODE -static int ext4_d_compare(const struct dentry *dentry, unsigned int len, - const char *str, const struct qstr *name) -{ - struct qstr qstr = {.name = str, .len = len }; - struct inode *inode = dentry->d_parent->d_inode; - - if (!IS_CASEFOLDED(inode) || !EXT4_SB(inode->i_sb)->s_encoding) { - if (len != name->len) - return -1; - return memcmp(str, name->name, len); - } - - return ext4_ci_compare(inode, name, &qstr, false); -} - -static int ext4_d_hash(const struct dentry *dentry, struct qstr *str) -{ - const struct ext4_sb_info *sbi = EXT4_SB(dentry->d_sb); - const struct unicode_map *um = sbi->s_encoding; - unsigned char *norm; - int len, ret = 0; - - if (!IS_CASEFOLDED(dentry->d_inode) || !um) - return 0; - - norm = kmalloc(PATH_MAX, GFP_ATOMIC); - if (!norm) - return -ENOMEM; - - len = utf8_casefold(um, str, norm, PATH_MAX); - if (len < 0) { - if (ext4_has_strict_mode(sbi)) - ret = -EINVAL; - goto out; - } - str->hash = full_name_hash(dentry, norm, len); -out: - kfree(norm); - return ret; -} - -const struct dentry_operations ext4_dentry_ops = { - .d_hash = ext4_d_hash, - .d_compare = ext4_d_compare, -}; -#endif diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index f8578caba40d5..3162ef2e53d46 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1430,10 +1430,6 @@ struct ext4_sb_info { struct kobject s_kobj; struct completion s_kobj_unregister; struct super_block *s_sb; -#ifdef CONFIG_UNICODE - struct unicode_map *s_encoding; - __u16 s_encoding_flags; -#endif /* Journaling */ struct journal_s *s_journal; diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c index 3e133793a5a34..143b0073b3f46 100644 --- a/fs/ext4/hash.c +++ b/fs/ext4/hash.c @@ -275,7 +275,7 @@ int ext4fs_dirhash(const struct inode *dir, const char *name, int len, struct dx_hash_info *hinfo) { #ifdef CONFIG_UNICODE - const struct unicode_map *um = EXT4_SB(dir->i_sb)->s_encoding; + const struct unicode_map *um = dir->i_sb->s_encoding; int r, dlen; unsigned char *buff; struct qstr qstr = {.name = name, .len = len }; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 1cb42d9407847..7f4e625ab2f9b 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1282,8 +1282,8 @@ static void dx_insert_block(struct dx_frame *frame, u32 hash, ext4_lblk_t block) int ext4_ci_compare(const struct inode *parent, const struct qstr *name, const struct qstr *entry, bool quick) { - const struct ext4_sb_info *sbi = EXT4_SB(parent->i_sb); - const struct unicode_map *um = sbi->s_encoding; + const struct super_block *sb = parent->i_sb; + const struct unicode_map *um = sb->s_encoding; int ret; if (quick) @@ -1295,7 +1295,7 @@ int ext4_ci_compare(const struct inode *parent, const struct qstr *name, /* Handle invalid character sequence as either an error * or as an opaque byte sequence. */ - if (ext4_has_strict_mode(sbi)) + if (sb_has_enc_strict_mode(sb)) return -EINVAL; if (name->len != entry->len) @@ -1312,7 +1312,7 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname, { int len; - if (!IS_CASEFOLDED(dir) || !EXT4_SB(dir->i_sb)->s_encoding) { + if (!needs_casefold(dir)) { cf_name->name = NULL; return; } @@ -1321,7 +1321,7 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname, if (!cf_name->name) return; - len = utf8_casefold(EXT4_SB(dir->i_sb)->s_encoding, + len = utf8_casefold(dir->i_sb->s_encoding, iname, cf_name->name, EXT4_NAME_LEN); if (len <= 0) { @@ -1358,7 +1358,7 @@ static inline bool ext4_match(const struct inode *parent, #endif #ifdef CONFIG_UNICODE - if (EXT4_SB(parent->i_sb)->s_encoding && IS_CASEFOLDED(parent)) { + if (needs_casefold(parent)) { if (fname->cf_name.name) { struct qstr cf = {.name = fname->cf_name.name, .len = fname->cf_name.len}; @@ -2164,9 +2164,6 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry, struct buffer_head *bh = NULL; struct ext4_dir_entry_2 *de; struct super_block *sb; -#ifdef CONFIG_UNICODE - struct ext4_sb_info *sbi; -#endif struct ext4_filename fname; int retval; int dx_fallback=0; @@ -2183,9 +2180,8 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry, return -EINVAL; #ifdef CONFIG_UNICODE - sbi = EXT4_SB(sb); - if (ext4_has_strict_mode(sbi) && IS_CASEFOLDED(dir) && - sbi->s_encoding && utf8_validate(sbi->s_encoding, &dentry->d_name)) + if (sb_has_enc_strict_mode(sb) && IS_CASEFOLDED(dir) && + sb->s_encoding && utf8_validate(sb->s_encoding, &dentry->d_name)) return -EINVAL; #endif diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2937a8873fe13..11584bdc3e237 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1056,7 +1056,7 @@ static void ext4_put_super(struct super_block *sb) kfree(sbi->s_blockgroup_lock); fs_put_dax(sbi->s_daxdev); #ifdef CONFIG_UNICODE - utf8_unload(sbi->s_encoding); + utf8_unload(sb->s_encoding); #endif kfree(sbi); } @@ -3850,7 +3850,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) goto failed_mount; #ifdef CONFIG_UNICODE - if (ext4_has_feature_casefold(sb) && !sbi->s_encoding) { + if (ext4_has_feature_casefold(sb) && !sb->s_encoding) { const struct ext4_sb_encodings *encoding_info; struct unicode_map *encoding; __u16 encoding_flags; @@ -3881,8 +3881,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) "%s-%s with flags 0x%hx", encoding_info->name, encoding_info->version?:"\b", encoding_flags); - sbi->s_encoding = encoding; - sbi->s_encoding_flags = encoding_flags; + sb->s_encoding = encoding; + sb->s_encoding_flags = encoding_flags; } #endif @@ -4497,11 +4497,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) goto failed_mount4; } -#ifdef CONFIG_UNICODE - if (sbi->s_encoding) - sb->s_d_op = &ext4_dentry_ops; -#endif - sb->s_root = d_make_root(root); if (!sb->s_root) { ext4_msg(sb, KERN_ERR, "get root dentry failed"); @@ -4684,7 +4679,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) crypto_free_shash(sbi->s_chksum_driver); #ifdef CONFIG_UNICODE - utf8_unload(sbi->s_encoding); + utf8_unload(sb->s_encoding); #endif #ifdef CONFIG_QUOTA -- 2.25.0.341.g760bfbb309-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel