[libvirt] Use posix_fallocate() to allocate disk space

Daniel P. Berrange berrange at redhat.com
Thu Mar 19 10:34:05 UTC 2009

On Thu, Mar 19, 2009 at 12:45:23PM +0530, Amit Shah wrote:
> These patches introduce safezero() to allocate chunks for a file and
> write zeroes to them.
> Not yet ready for merge; I don't understand the configure system yet
> and don't know how to test for posix_fallocate() availability.

In this case it'll be pretty easy, add to configure.in:


And then in the source code you can


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