From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Release of UBIL: ubi with log From: Artem Bityutskiy To: Corentin Chary In-Reply-To: References: <6b5362aa1002260458j571852cbl2f2d86130828333a@mail.gmail.com> <1267559131.1883.1.camel@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" Date: Wed, 31 Mar 2010 15:59:08 +0300 Message-ID: <1270040348.15073.8.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Brijesh Singh , "brijesh.s.singh@gmail.com" , "linux-mtd@lists.infradead.org" , "rohitvdongre@gmail.com" , David Woodhouse , "Hunter Adrian \(Nokia-D/Helsinki\)" Reply-To: Artem.Bityutskiy@nokia.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2010-03-31 at 14:57 +0200, ext Corentin Chary wrote: > On Tue, Mar 2, 2010 at 8:45 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. > >> > >> The source code of UBIL can be found in the following git tree: > >> http://git.infradead.org/users/brijesh/ubi-2.6.git > >> > > > > Sounds interesting! However, I'm out of office till end of March, and > > won't be able to look closely at this. But hopefully others will try it. > > > > Hi, > Didn't took the time to read the code, I'll try to do so soon. > Could you tell us more about what you did and how it works ? > Is it similar to yaffs checkpoints ? When are the log written ? > What will happen if you try to mount something that used UBIL with a > kernel without UBIL support ? > Thanks, Right. And Brijesh, just go ahead, split your stuff on patches, and submit them to the MTD ML. Send your docs/URL to docs there as well. Please, do not wait, just go ahead and start pushing it out. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)