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Ts'o" To: "Gaoming (ming, consumer BG)" Cc: "linux-ext4@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Liqingchao (sorp)" , "Shenchen (harry)" , "miaoxie (A)" , "yangfei (D)" , "Renlipeng (OS driver)" Subject: Re: =?utf-8?B?562U5aSNOiDnrZTlpI06IOetlA==?= =?utf-8?B?5aSNOiDnrZTlpI06IOetlOWkjTog562U5aSNOiBbUEFUQ0hdIGV4dDQ6IGUy?= =?utf-8?Q?fsprogs=3A_fix_inode_bitma?= =?utf-8?Q?p?= num not integer,incompatible for ancient android devices Message-ID: <20180703103557.GA27426@thunk.org> Mail-Followup-To: "Theodore Y. Ts'o" , "Gaoming (ming, consumer BG)" , "linux-ext4@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Liqingchao (sorp)" , "Shenchen (harry)" , "miaoxie (A)" , "yangfei (D)" , "Renlipeng (OS driver)" References: <20180628022900.GA663@thunk.org> <20180628153022.GA8521@thunk.org> <20180629142612.GE1231@thunk.org> <20180630130429.GA26529@thunk.org> <20180702121654.GA15131@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.0 (2018-05-17) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 03, 2018 at 12:58:48AM +0000, Gaoming (ming, consumer BG) wrote: > And can you help me understand *why* such a choice was made? > -----if there is such a problem in your devices, how will you do? Is there any other choice? > ----- of course, you cannot format the partition. You misunderstand my question. Why was the choice of a blocksize of 1024 made? I'm trying to understand how many devices, and why any other manufacture would make, what seems to me, to be a completely insane choice. How long has Huawei been using a 1024 byte blocksize? And why? And for how many devices? Essentially, I'm trying to figure out if this was a Huawei-specific mistake. - Ted