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Re: About Names



On Fri, Aug 03, 2001 at 04:45:36PM +0100, Stephen C. Tweedie wrote:
> The ext3 code is quite different from the ext2 code in many places.
> The journaling itself is done in a separate layer but ext2 had to be
> changed quite significantly to allow it to use that journaling code. 
> 
> The changes are significant enough that in order to prevent any
> possibility of destabilising the existing ext2 filesystem, it really
> does make sense to keep ext3 separate.

The main thing this allows is that for people to run with both ext2
and ext3 code in the kernel.  So for people who don't want the
benefits of journaling, they aren't incurring any extra risk, since
they're using the old, stable ext2 code base.  This makes it much
easier to argue for the introduction of ext3 into the 2.4 code base,
either by distributions or to Linus Torvalds.

						- Ted





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