From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [61.155.106.76] (helo=www.mid-fun.com) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1MDU34-00054u-9p for linux-mtd@lists.infradead.org; Mon, 08 Jun 2009 01:53:37 +0000 Subject: Re: about ubifs From: tommy To: Jamie Lokier In-Reply-To: <20090608013528.GI15426@shareable.org> References: <1244204035.18630.0.camel@tommy-desktop> <71cd59b00906050542v72c228a0r883cef7795189fe9@mail.gmail.com> <1244206994.20718.7.camel@tommy-desktop> <71cd59b00906050704m650d9701q1012dc8b649d8d7f@mail.gmail.com> <20090608013528.GI15426@shareable.org> Content-Type: text/plain; charset=UTF-8 Date: Mon, 08 Jun 2009 09:52:45 +0800 Message-Id: <1244425965.7627.0.camel@tommy-desktop> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: "linux-mtd@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , yes,i have do it ! thanks for all ! Tommy On δΈ€, 2009-06-08 at 02:35 +0100, Jamie Lokier wrote: > Corentin Chary wrote: > > On Fri, Jun 5, 2009 at 3:03 PM, tommy wrote: > > > no,i didn't fsync when i close file ! > > > > > > did ubifs driver can achieve "fsync" when user modify some file and > > > close with save ? > > > > For critical data, you need to call fsync to be sure the data is > > stored on the flash. > > There is also a "sync" option for ubifs, but this will hurt performance a lot. > > That reminds me. > > A filesystem-generic "sync-on-close" mount option would be handy for > things like that. > > Expecting users to call fsync from a shell script is probably a bit much > in a lot of applications. > > -- Jamie >