From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ew0-f49.google.com ([209.85.215.49]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1PxZwl-0002dg-3i for linux-mtd@lists.infradead.org; Thu, 10 Mar 2011 07:06:08 +0000 Received: by ewy3 with SMTP id 3so411545ewy.36 for ; Wed, 09 Mar 2011 23:06:05 -0800 (PST) Subject: Re: UBIFS defaults? From: Artem Bityutskiy To: "Hunter Adrian (Nokia-MS/Helsinki)" In-Reply-To: <1299675687.2741.14.camel@localhost> References: <1299675687.2741.14.camel@localhost> Content-Type: text/plain; charset="UTF-8" Date: Thu, 10 Mar 2011 09:04:36 +0200 Message-ID: <1299740676.2766.0.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Bhavesh Parekh , linux-mtd Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2011-03-09 at 15:01 +0200, Artem Bityutskiy wrote: > Hi, > > currently, UBIFS checks data CRC on read by default, i.e., the > 'chk_data_crc' mount option is the default one. This makes people who > apply benchmarks less happy, because they just use the defaults. > > Should we make the 'no_chk_data_crc' mount option to be the default > instead? The rationale is that people who do care to read the > documentation can switch to 'chk_data_crc' if they need, and people who > do quick UBIFS evaluation will end up with faster read speed by default. > > See this section for more information about the 'no_chk_data_crc' mount > option: http://www.linux-mtd.infradead.org/doc/ubifs.html#L_checksumming > > Would be nice to hear UBIFS users' opinion. I'm going to change the default if no one objects. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)