[Gluster-devel] fallocate

Anand Avati avati at gluster.org
Sat Nov 16 21:49:27 UTC 2013

If you call fallocate() over an existing region with data it shouldn't be
wiped with 0s. You can also call fallocate() on a hole (in case file was
ftruncate()ed to a large size) and that region should get "allocated" (i.e
future write to an fallocated() region should NOT fail with ENOSPC).

BTW, does NetBSD have the equivalent of open_by_handle[_at]() and
name_to_handle[_at]() system calls?

On Sat, Nov 16, 2013 at 12:40 PM, Emmanuel Dreyfus <manu at netbsd.org> wrote:

> I note that glusterfs-3.5 branch requires fallocate(). That one does not
> exist in NetBSD yet. I wonder if it can be emulated in userspace: this
> is just about writing zeros to the new size, right?
> --
> Emmanuel Dreyfus
> http://hcpnet.free.fr/pubz
> manu at netbsd.org
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> Gluster-devel mailing list
> Gluster-devel at nongnu.org
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