From patchwork Thu Feb 8 06:43:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 198191 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:168b:b0:106:860b:bbdd with SMTP id ma11csp2727251dyb; Wed, 7 Feb 2024 22:47:48 -0800 (PST) X-Google-Smtp-Source: AGHT+IGS10rjQy0Hsf4MlnL1tv+qyM9cK/ivp7xsMxWBi08hS/KdBjHN1g1R73aOCBEo6OvWu4L4 X-Received: by 2002:a25:6b47:0:b0:dc6:be1f:6d98 with SMTP id o7-20020a256b47000000b00dc6be1f6d98mr7407790ybm.16.1707374868346; Wed, 07 Feb 2024 22:47:48 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707374868; cv=pass; d=google.com; s=arc-20160816; b=Bo7k9gT9zmzpAydQcG7VWLODUI+PBc0fOm1SOfTtIae6HYqVQYN/1R7MlcKOsqKiON EDdq9xqHtLGHK1iThc62CYIiUhadeH6To6rovzL/xrUIL/WqE8bvLFmhkf41Lmc9jLzT UAo66FQ6w6G6yQ+iK6OqQ3B1ZRylXXhQ/Sps8mscMyB5ESbmEvSSQ7iHz4tvEpfonAb2 L/+KyAdP0Yh9jTCjfkHClqPCeOUqV+dcdfaE9rnSzPMM5P1lGCYaWvGfsONMX6NJN5Po he94hnm/2rKRVs3MAeMUVRkYOZH172vHwEzSfdj6V9AFzG5kaBDLOOmBpAuviUDOh8en 1edQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=mUH8Ldjjxi8it9eaRNAUP8jiOKNg7HpR2OKWq4ySMwo=; fh=O8VhurWNjdztAXqrPJLbaWYzv5U7KxL1MIm0cTqOpSk=; b=yL9ZdL3fqVMei/P6TuHPvqAexwlJk6Nc9mOl2+RUCGxwmjn0aDLeLbV04UCLCg8T0P ccQsJK0L7ZD4ae8hs8jZ6lGbpOCE2h0gKT1ovtw45CxpaYwrzkvUz9/3Vthsz9MqlzD5 RLePF0YzAuB+e5Htm3E7ECzEDGvGeTx+tPmoVvERTcrxjpDh+xL64acF03If4pTYAmUF QUhgxIdEVrqpqJHOrhGkVg+YdIeejSMnMPCvmDvzGgCWxrmamBkiqC3Wb6Wjl8YCIV8D M+xkIJO+dwTIio6q9BHnAKNpBCGAvbjJKwDapceVRdSPtceEFcNZDwVOvWZI/nf90s1e SW5g==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=YLefnevk; arc=pass (i=1 spf=pass spfdomain=collabora.com dkim=pass dkdomain=collabora.com dmarc=pass fromdomain=collabora.com); spf=pass (google.com: domain of linux-kernel+bounces-57532-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-57532-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com X-Forwarded-Encrypted: i=2; AJvYcCUKRd9EXT5KkHj4UOSqcClmOWpiYWNJD5mE8x4Klc1kDVmgH0aRRlr1wkX3xHGh9kd0luqp+3zzOxutEILgEjFNSZxzgA== Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id ka25-20020a056a00939900b006e065264b32si3515678pfb.247.2024.02.07.22.47.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Feb 2024 22:47:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-57532-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=YLefnevk; arc=pass (i=1 spf=pass spfdomain=collabora.com dkim=pass dkdomain=collabora.com dmarc=pass fromdomain=collabora.com); spf=pass (google.com: domain of linux-kernel+bounces-57532-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-57532-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 55F24B21A7B for ; Thu, 8 Feb 2024 06:46:28 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D34136A035; Thu, 8 Feb 2024 06:45:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="YLefnevk" Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 919B86A02C; Thu, 8 Feb 2024 06:45:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707374724; cv=none; b=bon3uv5CL4Yu22eBoKAXMVtnTn9rDDUJpfhJcLtLjLTI/rZ9WH5bnUbI7GDoGqQbx7+FrALkPdxTINOyInnl6yMs5FqbTzYdGekBAsCGBG6qewfVcksUZU3U5U+qrMvXVu7wLJlNhI/TmIg9nC9MjXl2Di9NEwgNtpfbLMF4aqY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707374724; c=relaxed/simple; bh=dzKZXblpWESFyKaff5lcUS9bN5Ok7BHsB49SOtV2pf4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CpIDQez3e0MyV2qQxaSK97Fo7TcCI9oJ6+1/envbr11r+5K5Zqi6rSzDDqn2KeM2Nx6LSluMB8rYJNtARElna5kP0RjnOqnRFTKjhAdTKa9MmKXOKTPvTrqfJlHt3IgbyNQW/3lskIMMVaJSTQa6FuTwvN1Bt+uYoDcELftL/4A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=YLefnevk; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707374720; bh=dzKZXblpWESFyKaff5lcUS9bN5Ok7BHsB49SOtV2pf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YLefnevkX12McBubm6n8iAgtkkqHcuSUHXRwwCg4xv5p+x3/OA76gR/Sy9izDrlwA eQCfcsm/M2L1fey/OZ4V3jbXIFyyHuRd5a5rkxfClZ2HKILxe8Ms5j7bblCr/R00BR lNnsG4ywbanfvoCLURrmjz+TRTnXvJ9OSOGlo/b5pDVftSrhYxeK4txDnikr5viC7f O7vgvvJ5UP1DV+wP+pTtr3LWGZZarcAB6MCUbyS4hiTWA6xHEW6BNGhB/lTdXhJZ+Y YtOkANP22Fnv/0fwTvwP+Vuhej0K8oTTuJYjiQvuid6iXi2vdQ+3M6o8LbSJKxAJk6 lqYeaoM7gfrWQ== Received: from eugen-station.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: ehristev) by madrid.collaboradmins.com (Postfix) with ESMTPSA id B8564378045F; Thu, 8 Feb 2024 06:45:15 +0000 (UTC) From: Eugen Hristev To: tytso@mit.edu, adilger.kernel@dilger.ca, jaegeuk@kernel.org, chao@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: jack@suse.cz, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, kernel@collabora.com, eugen.hristev@collabora.com, Gabriel Krisman Bertazi , Eric Biggers Subject: [RESEND PATCH v9 3/3] f2fs: Reuse generic_ci_match for ci comparisons Date: Thu, 8 Feb 2024 08:43:34 +0200 Message-Id: <20240208064334.268216-4-eugen.hristev@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240208064334.268216-1-eugen.hristev@collabora.com> References: <20240208064334.268216-1-eugen.hristev@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790312309699037708 X-GMAIL-MSGID: 1790312309699037708 From: Gabriel Krisman Bertazi Now that ci_match is part of libfs, make f2fs reuse it instead of having a different implementation. Reviewed-by: Chao Yu Reviewed-by: Eric Biggers Signed-off-by: Gabriel Krisman Bertazi Signed-off-by: Eugen Hristev --- fs/f2fs/dir.c | 58 ++++----------------------------------------------- 1 file changed, 4 insertions(+), 54 deletions(-) diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index f5b65cf36393..7953322b9b9e 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -185,58 +185,6 @@ static struct f2fs_dir_entry *find_in_block(struct inode *dir, return f2fs_find_target_dentry(&d, fname, max_slots); } -#if IS_ENABLED(CONFIG_UNICODE) -/* - * Test whether a case-insensitive directory entry matches the filename - * being searched for. - * - * Returns 1 for a match, 0 for no match, and -errno on an error. - */ -static int f2fs_match_ci_name(const struct inode *dir, const struct qstr *name, - const u8 *de_name, u32 de_name_len) -{ - const struct super_block *sb = dir->i_sb; - const struct unicode_map *um = sb->s_encoding; - struct fscrypt_str decrypted_name = FSTR_INIT(NULL, de_name_len); - struct qstr entry = QSTR_INIT(de_name, de_name_len); - int res; - - if (IS_ENCRYPTED(dir)) { - const struct fscrypt_str encrypted_name = - FSTR_INIT((u8 *)de_name, de_name_len); - - if (WARN_ON_ONCE(!fscrypt_has_encryption_key(dir))) - return -EINVAL; - - decrypted_name.name = kmalloc(de_name_len, GFP_KERNEL); - if (!decrypted_name.name) - return -ENOMEM; - res = fscrypt_fname_disk_to_usr(dir, 0, 0, &encrypted_name, - &decrypted_name); - if (res < 0) - goto out; - entry.name = decrypted_name.name; - entry.len = decrypted_name.len; - } - - res = utf8_strncasecmp_folded(um, name, &entry); - /* - * In strict mode, ignore invalid names. In non-strict mode, - * fall back to treating them as opaque byte sequences. - */ - if (res < 0 && !sb_has_strict_encoding(sb)) { - res = name->len == entry.len && - memcmp(name->name, entry.name, name->len) == 0; - } else { - /* utf8_strncasecmp_folded returns 0 on match */ - res = (res == 0); - } -out: - kfree(decrypted_name.name); - return res; -} -#endif /* CONFIG_UNICODE */ - static inline int f2fs_match_name(const struct inode *dir, const struct f2fs_filename *fname, const u8 *de_name, u32 de_name_len) @@ -245,8 +193,10 @@ static inline int f2fs_match_name(const struct inode *dir, #if IS_ENABLED(CONFIG_UNICODE) if (fname->cf_name.name) - return f2fs_match_ci_name(dir, &fname->cf_name, - de_name, de_name_len); + return generic_ci_match(dir, fname->usr_fname, + &fname->cf_name, + de_name, de_name_len); + #endif f.usr_fname = fname->usr_fname; f.disk_name = fname->disk_name;