[Libguestfs] [PATCH v4] fuse: Allow fallocate(FALLOC_FL_ZERO_RANGE)

[Miklos Szeredi]

On Wed, 12 May 2021 at 18:19, Richard W.M. Jones <rjones at redhat.com> wrote:
>
> The current fuse module filters out fallocate(FALLOC_FL_ZERO_RANGE)
> returning -EOPNOTSUPP.  libnbd's nbdfuse would like to translate
> FALLOC_FL_ZERO_RANGE requests into the NBD command
> NBD_CMD_WRITE_ZEROES which allows NBD servers that support it to do
> zeroing efficiently.
>
> This commit treats this flag exactly like FALLOC_FL_PUNCH_HOLE.

Thanks, applied.

Miklos