From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Release of UBIL: ubi with log From: Artem Bityutskiy To: Brijesh Singh In-Reply-To: References: <6b5362aa1002260458j571852cbl2f2d86130828333a@mail.gmail.com> <1273474175.2209.61.camel@localhost> Content-Type: text/plain; charset="UTF-8" Date: Mon, 10 May 2010 14:02:56 +0300 Message-ID: <1273489376.2209.127.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: linux-mtd@lists.infradead.org, rohitvdongre@gmail.com, David Woodhouse , Adrian Hunter Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2010-05-10 at 14:33 +0530, Brijesh Singh wrote: > Hi, > > On Mon, May 10, 2010 at 12:19 PM, Artem Bityutskiy wrote: > > On Fri, 2010-02-26 at 18:28 +0530, Brijesh Singh wrote: > >> Hi, > >> It gives me great pleasure in sharing UBIL: ubi with log. We have > >> added logging functionality to ubi for reducing mount time. > >> UBIL uses the "same source base of UBI". The logging functionality can > >> be added or removed at compile time using "make menuconfig option". > >> > >> We have seen mount time reduction of 50% in 1GB NAND. We are expecting > >> even better results for larger flash memories. > > > > Was that SLC or MLC NAND? > > It was SLC NAND. > > >> The source code of UBIL can be found in the following git tree: > >> http://git.infradead.org/users/brijesh/ubi-2.6.git > >> > >> We have tested ubil for samsung nand and onenand. The test results can > >> be found in the following git tree: > >> http://git.infradead.org/users/brijesh/ubil_results > > > > Did you run any stress tests for UBIL? Which? > > We ran > 1) fsstress on UBIFS without power failure > 2) fsstress on UBIFS with power failure Please, run also the integck test which you can find in the mtd-utils, it is a very good test, and I think it is better than fsstress even. If integck will work, this will mean UBIL is quite stable. Then let's make sure it does not regress when we introduce changes. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)