Re: [libvirt] Use posix_fallocate() to allocate disk space
On Thu, Mar 19, 2009 at 10:34:05AM +0000, Daniel P. Berrange wrote:
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:
AC_CHECK_FUNCS([posix_fallocate()])
And then in the source code you can
#ifdef HAVE_POSIX_FALLOCATE
...
#else
...
#endif
Ahh, you've already done this - i missed the followup patch you sent:-)
Daniel
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