From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35458 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932911AbeCEMLA (ORCPT ); Mon, 5 Mar 2018 07:11:00 -0500 Date: Mon, 5 Mar 2018 13:10:57 +0100 From: Greg KH To: "Gaoxiang (OS)" Cc: Theodore Ts'o , Al Viro , "linux-ext4@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: Re: [PATCH RFC v2 00/13] NLS/UTF-8 Case-Insensitive lookups for ext4 and VFS proposal Message-ID: <20180305121057.GA13048@kroah.com> References: <20180125025349.31494-1-krisman@collabora.co.uk> <20180125031650.GU13338@ZenIV.linux.org.uk> <20180125193239.GA8005@thunk.org> <9047C53C18267742AB12E43B65C7F9F70BCD386E@dggemi505-mbs.china.huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9047C53C18267742AB12E43B65C7F9F70BCD386E@dggemi505-mbs.china.huawei.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Fri, Jan 26, 2018 at 02:52:28AM +0000, Gaoxiang (OS) wrote: > > Sorry for bother, I mean you refer to sdcardfs, > The current Samsung sdcardfs and esdfs are all fsstress broken for many issues, > However we developed an another approach last year, in > > https://android-review.googlesource.com/#/c/kernel/common/+/574402/3/Documentation/filesystems/hwsdcardfs.txt > > We applied it on HUAWEI Mate 10 (pro), and the complete solution is > > https://android-review.googlesource.com/#/q/status:open+project:kernel/common+branch:android-4.4+topic:huawei_sdcardfs > > It supports stackable case-insensitive without modifing VFS smoothly, > and we tested fsstress on the top and lower layers at the same time > without any problem. Any specific reason that filesystem code has not been submitted here for inclusion upstream? It seems like all of the various sdcardfs forks/rewrites need to be standardized upstream first to allow everyone to benifit, instead of all of the duplicated efforts that are happening right now :( By getting yours, or someone's, code merged properly, that should reduce the amount of duplication here. thanks, greg k-h