From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mo-p07-ob.rzone.de ([81.169.146.188]) by canuck.infradead.org with esmtp (Exim 4.63 #1 (Red Hat Linux)) id 1HjwLl-0008DJ-VQ for linux-mtd@lists.infradead.org; Fri, 04 May 2007 07:54:26 -0400 From: Stefan Roese To: linux-mtd@lists.infradead.org Subject: Re: RO jffs2 implementation for bootloader Date: Fri, 4 May 2007 13:53:42 +0200 References: <1178186163.7539.62.camel@sauron> <463B02F5.6060503@parrot.com> In-Reply-To: <463B02F5.6060503@parrot.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200705041353.43372.sr@denx.de> Cc: Matthieu CASTET List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Matthieu, On Friday 04 May 2007 11:55, Matthieu CASTET wrote: > > On Thu, 2007-05-03 at 08:40 +0000, Matthieu CASTET wrote: > >> I need to mount a jffs2 partition in a bootloader. I tried u-boot that > >> support jffs2, but it is very slow (2 minutes for mounting a 64MB > >> partition). Do you know if there are other (fast) implemenation of jffs2 > >> suitable for a bootloader ? > > > > Not sure about any existing "fast" implementation, but mounting a JFFS2 > > partition is about scanning whole partition. You may optimize some > > thing, but you have to scan anyway. > > Well u-boot implementation is very slow. For 64MB partition : 2 minutes > for u-boot This really is slow. 64MB isn't that big and shouldn't take that long to mount. > and 11 s for linux (3s with summary). So it can be done better. Did you think about improving the performance in U-Boot? If so, please let's move this discussion to the u-boot-users mailing list. Thanks. BTW: What cpu at what speed are you using? Best regards, Stefan