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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 08C5FEB64D7 for ; Tue, 13 Jun 2023 22:14:15 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-3.v29.lw.sourceforge.com) by sfs-ml-3.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1q9CHE-0001So-Ff; Tue, 13 Jun 2023 22:14:12 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-3.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1q9CHA-0001Si-Se for linux-f2fs-devel@lists.sourceforge.net; Tue, 13 Jun 2023 22:14:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:To:From:Date:Sender:Reply-To:Cc: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=IaNpxfe9VBRajurg4lymuYlTPKYS4B0yt+ZAn6yihIY=; b=IAN+a2FXYU6uJRNNkS6pliXHFt TcLH5qu5SHXDPhzoIzTPSkt9U3O40TriNSgTxRtlC04WCXlTwYuyGbqw8w7yf+yZdka3EacJjvk2z LMJMhupLb5Dal52a7Uwosb5Qf7a1Y39Duzv+gvEpFna5mWkhiivUWgr4y006/V6zPNbY=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:To: From:Date:Sender:Reply-To:Cc: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=IaNpxfe9VBRajurg4lymuYlTPKYS4B0yt+ZAn6yihIY=; b=OPKrwda/+f8hUxsb+fw5paRgk2 INF4RTCk5V1rds08kN9HKLdt/x8yOCsaV2MZewZZH9/1ar76ee7VTZlvfn3VqbyPaOZ38SZK9MNIW sjjkx+nBKyR6LO9bppP7Hz3klHm4PMaCKibVrG9PxQcqMp+exdbEEdq7+F3BtBFrynRU=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1q9CHA-002ERL-Hh for linux-f2fs-devel@lists.sourceforge.net; Tue, 13 Jun 2023 22:14:09 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 26A2D61884 for ; Tue, 13 Jun 2023 22:14:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77A08C433C0; Tue, 13 Jun 2023 22:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686694442; bh=BZl5RDaB9YV1iJvxCsTqdhiHN3w4NKnznFWhk6lWK64=; h=Date:From:To:Subject:References:In-Reply-To:From; b=oMfpyYEFVO6AHKQIpvThjeYITqASC7I2oMkJEzAx148ZcahRXmyp9nq2pbbPoOWPC K7Ex7mibuR6zWV4NbpcKJspZ27YbONbG8hdPzTpbloUMHJgD9Kf7vE6iuUa82ZOlvX S3cFv4t3Vjm75v2Dk675nc3diiFVXMqH5lbnVxxgtD5g4qv9sJ1jJth7vzAK+RT3kD cqmBb5OMWly5oT2v1/X/9++vQnyFGj3bT14lzOpsW5GzgojMqkHQfChPmMrdm6eiue QWJVeop+uS+qmBA0XXIc+NQAhIbPtzhMDGzaI2cHIOnXUw9nEBSjrdRK1PKcN+d2mm 9qeKSU+W0QE4Q== Date: Tue, 13 Jun 2023 15:14:00 -0700 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Message-ID: References: <20230606203645.3926651-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230606203645.3926651-1-jaegeuk@kernel.org> X-Headers-End: 1q9CHA-002ERL-Hh Subject: Re: [f2fs-dev] [PATCH v2] f2fs: compress tmp files given extension 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Let's compress tmp files for the given extension list. This patch does not change the previous behavior, but allow the cases as below. Extention example: "ext" - abc.ext : allow - abc.ext.abc : allow - abc.extm : not allow Signed-off-by: Jaegeuk Kim --- Change log from v1: - refactor to allow abc.ext.dontcare only fs/f2fs/namei.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 3e35eb7dbb8f..49573ef4115d 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -23,7 +23,7 @@ #include static inline bool is_extension_exist(const unsigned char *s, const char *sub, - bool tmp_ext) + bool tmp_ext, bool tmp_dot) { size_t slen = strlen(s); size_t sublen = strlen(sub); @@ -49,8 +49,12 @@ static inline bool is_extension_exist(const unsigned char *s, const char *sub, for (i = 1; i < slen - sublen; i++) { if (s[i] != '.') continue; - if (!strncasecmp(s + i + 1, sub, sublen)) - return true; + if (!strncasecmp(s + i + 1, sub, sublen)) { + if (!tmp_dot) + return true; + if (i == slen - sublen - 1 || s[i + 1 + sublen] == '.') + return true; + } } return false; @@ -148,7 +152,7 @@ static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir, cold_count = le32_to_cpu(sbi->raw_super->extension_count); hot_count = sbi->raw_super->hot_ext_count; for (i = cold_count; i < cold_count + hot_count; i++) - if (is_extension_exist(name, extlist[i], false)) + if (is_extension_exist(name, extlist[i], false, false)) break; f2fs_up_read(&sbi->sb_lock); if (i < (cold_count + hot_count)) @@ -156,12 +160,12 @@ static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir, /* Don't compress unallowed extension. */ for (i = 0; i < noext_cnt; i++) - if (is_extension_exist(name, noext[i], false)) + if (is_extension_exist(name, noext[i], false, false)) return; /* Compress wanting extension. */ for (i = 0; i < ext_cnt; i++) { - if (is_extension_exist(name, ext[i], false)) { + if (is_extension_exist(name, ext[i], true, true)) { set_compress_context(inode); return; } @@ -189,7 +193,7 @@ static void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode, cold_count = le32_to_cpu(sbi->raw_super->extension_count); hot_count = sbi->raw_super->hot_ext_count; for (i = 0; i < cold_count + hot_count; i++) - if (is_extension_exist(name, extlist[i], true)) + if (is_extension_exist(name, extlist[i], true, false)) break; f2fs_up_read(&sbi->sb_lock); -- 2.41.0.162.gfafddb0af9-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel