Hi, yes you can do that by calling "journal_lock_updates()" refer file fs/jbd/transaction.c niTin -----Original Message----- From: Ashwin Ramaswamy <a.galadriel@xxxxxxxxx> To: Julien Danjou <julien@xxxxxxxxxxx> Date: Thu, 12 May 2005 19:02:39 +0530 Subject: Re: Ext3 Quick Shutdown Ok, forget the fsync. Can I sync just the ext3 journal and then reset the system? In that case, when the system comes up, it can read the journal and update the file-system. How do I do this? On 5/12/05, Julien Danjou <julien@xxxxxxxxxxx> wrote: > On Thu, May 12, 2005 at 06:06:14PM +0530, Ashwin Ramaswamy wrote: > > Hi, > > I'm working on a 2.4.20-8 kernel running on an ext3 file-system. I'm > > in a situation where the file-system needs to clean-up as soon as > > possible upon the receipt of a particular NMI/Interrupt. Basically, I > > need to do an fsync and inform the ext3 layer that the "clean" flag > > must be turned on the file-system or something of that sort. Now, > > there's a minimal amount of time remaining after the interrupt arrives > > before the power is abruptly brought down. So, basically how do I make > > the ext3 FS clean within such a duration? > > Maybe do an fsync and then remount it immediatly in read-only? > Just an idea. > > -- > Julien Danjou > // <julien@xxxxxxxxxxx> http://julien.danjou.info > // 9A0D 5FD9 EB42 22F6 8974 C95C A462 B51E C2FE E5CD > > > BodyID:180556.2.n.logpart (stored separately) > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
