From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: Re: [PATCH 2/2] mkfs.f2fs: make the default extensions list much more sensical Date: Sat, 20 Apr 2019 10:14:54 +0800 Message-ID: References: <20190416064355.29712-1-qkrwngud825@gmail.com> <20190416064355.29712-2-qkrwngud825@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1hHfWy-0001pR-Uc for linux-f2fs-devel@lists.sourceforge.net; Sat, 20 Apr 2019 02:15:04 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255] helo=huawei.com) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hHfWw-000wJ1-Uy for linux-f2fs-devel@lists.sourceforge.net; Sat, 20 Apr 2019 02:15:04 +0000 Received: from DGGEMM403-HUB.china.huawei.com (unknown [172.30.72.57]) by Forcepoint Email with ESMTP id 60C262F8AE80A24AEEE3 for ; Sat, 20 Apr 2019 10:14:54 +0800 (CST) In-Reply-To: <20190416064355.29712-2-qkrwngud825@gmail.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Park Ju Hyung , linux-f2fs-devel@lists.sourceforge.net On 2019/4/16 14:43, Park Ju Hyung wrote: > Following extensions are removed: > - divx: deprecated video format and it's usually wrapped with avi > - asf: deprecated streaming format > - asx: redirecting file to asf(small) > - wmx: redirecting file to wma/wmv(small) > - rm: deprecated media container > - video: unused > - wv: unpopular audio format from 1998 > > The extensions list is limited to 64 and those don't deserve to be > on this space-precious list. > > Common prefixes are introduced and are checked with > https://en.wikipedia.org/wiki/List_of_filename_extensions > to avoid treating possible hot files as cold: > - mp: covers mp3, mp4, mpeg, mpg > - wm: covers wma, wmb, wmv > - og: covers oga, ogg, ogm, ogv > - jp: covers jpg, jpeg, jp2 > > Following extensions are added: > - webm: extremely popular free media container format from Google > VP8/VP9/AV1 and Vorbis/Opus is often wrapped with this container > - wav: uncompressed audio format, commonly used with voice recorders > - svg: vector image format commonly used in web > - webp: free lossy image format commonly used in web > - jar: Java archive file > - deb: Debian software package > - iso: disk image file > - gz: gzip compressed file, unable to randomly update > - xz: xz compressed file, unable to randomly update > - zst: zstd compressed file, unable to randomly update > - pdf: PDF document > - pyc: Python bytecode automatically generated when > executing python to run .py files > - ttc, ttf: font files > - cnt: image alias files commonly used in Android apps > - exo: EXO player's cache files, commonly used in Android's YouTube app > - odex, vdex: Android RunTime files found in /data/app/*/oat > > Total entries on the list changed from 34 to 36. > > Signed-off-by: Park Ju Hyung Reviewed-by: Chao Yu Thanks,