an interface for filesystem preallocation that doesn't suck?

[Richard W.M. Jones]

On Thu, Apr 02, 2009 at 05:44:07PM -0500, Eric Sandeen wrote:
> James Ralston wrote:
> 
> > I intend to start filing bugs against anything I can find that doesn't
> > use fallocate(), yes.  But I needed a better implementation to suggest
> > than posix_fallocate().
> 
> Cool.  Feel free to cc: me on them?
> 
> FWIW transmission already can do it though it requires some
> undocumented(?) configuration.
> 
> It also gives you the choice of posix_fallocate(), or not.   It'd be
> nice if you could say "fallocate if you've got it; but no
> posix_fallocate, thanks"

I just wrote a new program that uses posix_fallocate to allocate large
files (of zeroes).  Should I change it to use fallocate?  What's the
recommended code snippet / autoconf configuration?

Rich.

-- 
Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
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