Re: [V2 PATCH] tmpfs: add fallocate support

[Christoph Hellwig]

On Fri, Nov 18, 2011 at 06:39:50PM +0800, Cong Wang wrote:
> It seems that systemd needs tmpfs to support fallocate,
> see http://lkml.org/lkml/2011/10/20/275. This patch adds
> fallocate support to tmpfs.

What for exactly?  Please explain why preallocating on tmpfs would
make any sense.
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