[maemo-users] [maemo-users] Crashes

From: James Sparenberg james at linuxrebel.org
Date: Wed Feb 14 03:46:41 EET 2007
On Tuesday 13 February 2007 05:39:48 Marius Gedminas wrote:
> On Mon, Feb 12, 2007 at 02:03:44PM -0800, James Sparenberg wrote:
> >  A lot
> > of the differences in how the OS's react to a hard shutdown center around
> > how they view/use a file.  Windows always writes back any file it opens. 
> > Even if it opens it only to read.
> That does not sound right.
> Do you have a link?

Let me try to find one.  This was part of 4 day seminar on file systems... 
(mostly boring.)

> > Linux on the other hand writes back a file only
> > if it changes and permissions allow writes.
> There are also atime updates which do write the inodes when you open
> files for reading.  Not all filesystems store access times.  I don't
> know whether jffs2 does, and my guess would be it doesn't.

This is true but I'm so used to running everything noatime I forgot.  Thanks

> > This helps prevent a lot of file
> > corruption and fragmentation IMHO.  (Yes I know this is an overly
> > simplified explanation but I don't want to either bore or exceed my own
> > ignorance *grin*)
> Marius Gedminas

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