Re: ext3 vs resiserfs vs xfs

[Mike Fedyk <mfedyk@matchmail.com>]

On Wed, Nov 07, 2001 at 12:15:12PM -0800, Andrew Morton wrote:
> Anton Altaparmakov wrote:
> > 
> > At 19:12 07/11/2001, Alan Cox wrote:
> > > > when coming back up it fscked (I didn't touch anything - didn't even
> > > notice
> > > > any 5 second thing but I wasn't looking at this screen) and it found two
> > > > lost inodes (I got two entries in lost and found). So it still needs to
> > > > fsck by the looks of it?
> > >
> > >That sounds like you used your own kernel with it and had ext2 mounting
> > >the root fs (remember its back compatible)
> > 
> > Yes, that makes a lot of sense. After the reset I went into my own kernel
> > with both ext2 and ext3 compiled into it. However, before the reboot, I was
> > still in the RH kernel (99% sure it was so, but my memory might be
> > deceiving me).
> > 
> > Is there any Right Way(TM) to fix this situation considering I want to have
> > both ext2 and ext3 in my kernels (apart from the obvious of changing the
> > order fs are called during root mount in the kernel)?
> > 
> 
> There's a fair bit of material on this at
> 
> 	http://www.uow.edu.au/~andrewm/linux/ext3/ext3-usage.html
> 
> executive summary:
> 
> 	- use latest util-linux and e2fsprogs
> 	- Make the root fs have fstype `ext3' in /etc/fstab
> 	- Make the others `auto'
> 	- Alternatively, use "ext3,ext2" in fstab.
> 

I have a switch "data=journal" that ext2 will choke on when I boot into an
ext2 only kernel.

Is there another way to change the journaling mode besides modifying
/etc/fstab?

It'd be nice if it could be a compile time switch for default journal mode...

Mike