default file system, was: Comparison to Workstation Technical Specification

[Josh Boyer]

On Tue, Mar 4, 2014 at 4:35 PM, Chris Adams <linux at cmadams.net> wrote:
> Once upon a time, Przemek Klosowski <przemek.klosowski at nist.gov> said:
>> I am pretty sure that ext4 is a built-in module in Fedora kernels,
>> as well as in the boot environment; making XFS the default will
>> require also building it in, pretty much forever, while we still
>> need extXX, and whatever comes next (btrfs?). I am OK with that,
>> though.
>
> Not really, it is only recent Fedora releases that have built ext4 into
> the kernel.  We went many years with ext3 being loaded as a module (was
> it ever built in?); ext4 was added more for convenience.  Having the
> "common stuff" that's going to be loaded on something like 99% of Fedora
> systems anyway built into the kernel is slightly more efficient and more
> convenient.
>
> If we have a split between filesystems between products, then it
> probably doesn't make sense to build any of them into the kernel
> anymore (well, assuming they all use the same kernel RPMs).

Cloud and Workstation are both looking likely to use ext4.  Server
differs with XFS.  We're likely to just leave things as-is for the
near term.

josh